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Frączkiewicz J, Pawińska-Wąsikowska K, Szymbor K, Balwierz W, Skoczeń S, Czyżewski K, Kołtan S, Styczyński J, Małecka A, Irga-Jaworska N, Trelińska J, Młynarski W, Zając-Spychała O, Sobkowiak-Sobierajska A, Derwich K, Bal W, Chaber R, Książek A, Szczepański T, Zawitkowska J, Drabko K, Chodała-Grzywacz A, Karolczyk G, Kobierzycki C, Kałwak K. Pre-Exposure Prophylaxis and Treatment with Tixagevimab/Cilgavimab for COVID-19 among Immunocompromised Pediatric Patients. J Clin Med 2024; 13:2029. [PMID: 38610794 PMCID: PMC11012437 DOI: 10.3390/jcm13072029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
Background: Patients treated with hemato-oncological malignancies (HO) or undergoing cellular therapies such as hematopoietic stem cell transplantation (HSCT) or chimeric antigen receptor T cells (CAR-T) were significantly affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Despite the success of SARS-CoV-2 vaccination, immunocompromised patients remain at increased risk for severe coronavirus disease (COVID-19), rendering this group of population a high priority for additional prevention and treatment options. Tixagevimab and Cilgavimab (TIXA/CILGA, AZD7442, Evusheld®) is a combination of two fully human, long-acting monoclonal antibodies. TIXA/CILGA have been approved as pre-exposure prophylaxis and treatment in patients at risk of severe disease with impaired vaccine response. Our objective was to describe the efficacy and safety among immunocompromised pediatric patients. Methods: This was an observational multicenter cohort study of immunocompromised pediatric patients receiving TIXA/CILGA conducted at nine Polish centers of Pediatric Oncology, Hematology and Bone Marrow Transplantation. We analyzed patients in two groups; those treated with HO and those undergoing cellular therapies: HSCT or CAR-T cells. In addition, two other cohorts were identified: patients given TIXA/CILGA as pre-exposure prophylactic and therapeutic intervention. Results: A total of 78 patients were evaluated during the study period: 69 (88.5%) received TIXA/CILGA as pre-exposure prophylaxis and 9 (11.5%) as a treatment strategy. A total of 52 (66.6%) patients were treated with standard chemotherapy at HO departments; 21 (27%) underwent HSCT, and 5 (6.4%) received CAR-T cell therapy. All children with COVID-19 receiving TIXA/CILGA presented a mild degree of severity. The most common clinical manifestations were fever, cough and coryza. At least one adverse event (AE) was reported in two (3.8%) patients excluding standard injection site reactions. Reported AEs were mild or moderate in intensity. One child reported mild myalgia and one reported moderate bone pain and weakness. Conclusions: In our observational multicenter cohort study, we explored the use of TIXA/CILGA as pre-exposure prophylaxis and treatment for COVID-19 among immunocompromised pediatric patients. While our findings suggest a potential benefit in preventing and managing COVID-19 in this vulnerable population, it is important to note the study's non-comparative design. Our results highlight the need for well-designed clinical trials to confirm these observations and further assess the efficacy and safety of TIXA/CILGA in immunocompromised children.
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Affiliation(s)
- Jowita Frączkiewicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Wroclaw Medical University, 50-556 Wroclaw, Poland;
| | - Katarzyna Pawińska-Wąsikowska
- Department of Pediatric Oncology and Hematology, University Children’s Hospital, Jagiellonian University Medical College, 31-008 Krakow, Poland; (K.P.-W.); (K.S.); (W.B.); (S.S.)
| | - Katarzyna Szymbor
- Department of Pediatric Oncology and Hematology, University Children’s Hospital, Jagiellonian University Medical College, 31-008 Krakow, Poland; (K.P.-W.); (K.S.); (W.B.); (S.S.)
| | - Walentyna Balwierz
- Department of Pediatric Oncology and Hematology, University Children’s Hospital, Jagiellonian University Medical College, 31-008 Krakow, Poland; (K.P.-W.); (K.S.); (W.B.); (S.S.)
| | - Szymon Skoczeń
- Department of Pediatric Oncology and Hematology, University Children’s Hospital, Jagiellonian University Medical College, 31-008 Krakow, Poland; (K.P.-W.); (K.S.); (W.B.); (S.S.)
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum Nicolaus Copernicus University, 87-100 Torun, Poland; (K.C.); (S.K.); (J.S.)
| | - Sylwia Kołtan
- Department of Pediatric Hematology and Oncology, Collegium Medicum Nicolaus Copernicus University, 87-100 Torun, Poland; (K.C.); (S.K.); (J.S.)
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum Nicolaus Copernicus University, 87-100 Torun, Poland; (K.C.); (S.K.); (J.S.)
| | - Anna Małecka
- Department of Pediatrics, Hematology and Oncology, Medical University of Gdansk, 80-211 Gdansk, Poland; (A.M.); (N.I.-J.)
| | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology and Oncology, Medical University of Gdansk, 80-211 Gdansk, Poland; (A.M.); (N.I.-J.)
| | - Joanna Trelińska
- Department of Pediatric Oncology and Hematology, Medical University of Lodz, 90-549 Lodz, Poland; (J.T.); (W.M.)
| | - Wojciech Młynarski
- Department of Pediatric Oncology and Hematology, Medical University of Lodz, 90-549 Lodz, Poland; (J.T.); (W.M.)
| | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (O.Z.-S.); (A.S.-S.); (K.D.)
| | - Agnieszka Sobkowiak-Sobierajska
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (O.Z.-S.); (A.S.-S.); (K.D.)
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (O.Z.-S.); (A.S.-S.); (K.D.)
| | - Wioletta Bal
- Department of Pediatric Oncohematology, University of Rzeszow, 35-310 Rzeszow, Poland; (W.B.); (R.C.)
| | - Radosław Chaber
- Department of Pediatric Oncohematology, University of Rzeszow, 35-310 Rzeszow, Poland; (W.B.); (R.C.)
| | - Agnieszka Książek
- Department of Pediatric Hematology and Oncology, Zabrze, Medical University of Silesia, 40-055 Katowice, Poland; (A.K.)
| | - Tomasz Szczepański
- Department of Pediatric Hematology and Oncology, Zabrze, Medical University of Silesia, 40-055 Katowice, Poland; (A.K.)
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (J.Z.); (K.D.)
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (J.Z.); (K.D.)
| | - Agnieszka Chodała-Grzywacz
- Division of Pediatric Hematology and Oncology, Children Hospital, 25-734 Kielce, Poland; (A.C.-G.); (G.K.)
| | - Grażyna Karolczyk
- Division of Pediatric Hematology and Oncology, Children Hospital, 25-734 Kielce, Poland; (A.C.-G.); (G.K.)
| | - Christopher Kobierzycki
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland;
| | - Krzysztof Kałwak
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Wroclaw Medical University, 50-556 Wroclaw, Poland;
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Kulczycka M, Derlatka K, Tasior J, Sygacz M, Lejman M, Zawitkowska J. Infant Acute Lymphoblastic Leukemia-New Therapeutic Opportunities. Int J Mol Sci 2024; 25:3721. [PMID: 38612531 PMCID: PMC11011884 DOI: 10.3390/ijms25073721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Infant acute lymphoblastic leukemia (Infant ALL) is a kind of pediatric ALL, diagnosed in children under 1 year of age and accounts for less than 5% of pediatric ALL. In the infant ALL group, two subtypes can be distinguished: KMT2A-rearranged ALL, known as a more difficult to cure form and KMT2A- non-rearranged ALL with better survival outcomes. As infants with ALL have lesser treatment outcomes compared to older children, it is pivotal to provide novel treatment approaches. Progress in the development of molecularly targeted therapies and immunotherapy presents exciting opportunities for potential improvement. This comprehensive review synthesizes the current literature on the epidemiology, clinical presentation, molecular genetics, and therapeutic approaches specific to ALL in the infant population.
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Affiliation(s)
- Marika Kulczycka
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.K.); (K.D.); (J.T.); (M.S.)
| | - Kamila Derlatka
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.K.); (K.D.); (J.T.); (M.S.)
| | - Justyna Tasior
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.K.); (K.D.); (J.T.); (M.S.)
| | - Maja Sygacz
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.K.); (K.D.); (J.T.); (M.S.)
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
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Samborska M, Skalska-Sadowska J, Achkar R, Wachowiak J, Derwich K, Czogała M, Balwierz W, Skoczeń S, Dobaczewski G, Chybicka A, Kałwak K, Krawczuk-Rybak M, Muszyńska-Rosłan K, Adamkiewicz-Drożyńska E, Maciejka-Kapuscińska L, Irga-Jaworska N, Pohorecka J, Chodała-Grzywacz A, Karolczyk G, Wójcik B, Kowalczyk JR, Drabko K, Zawitkowska J, Mycko K, Badowska W, Ociepa T, Urasiński T, Sikorska-Fic B, Matysiak M, Laguna P, Dąbrowska-Pawliszyn A, Tomaszewska R, Szczepański T, Sobol G, Mizia-Malarz A, Ciebiera M, Chaber R, Kołtan S, Wysocki M, Styczyński J, Woszczyk M, Wieczorek M, Karpińska-Derda I, Urbańska-Rakus J, Bobeff K, Trelińska J, Młynarski W. Characteristics and treatment results of refractory and relapsed acute myeloid leukaemia in paediatric patients treated in Polish Paediatric Leukaemia/Lymphoma Study Group institutions according to the Protocol Acute Myeloid Leukaemia Berlin-Frankfurt-Munster 2012 and a review of novel treatment possibilities in paediatric acute myeloid leukaemia. Contemp Oncol (Pozn) 2024; 27:249-254. [PMID: 38405205 PMCID: PMC10883198 DOI: 10.5114/wo.2023.135327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 01/26/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction This study aimed to present the clinical features and results of treatment of patients diagnosed with refractory or relapsed acute myeloid leukaemia (AML) in Polish Paediatric Leukaemia/Lymphoma Study Group (PPL/LSG) institutions, treated in accordance with the Protocol Acute Myeloid Leukaemia Berlin-Frankfurt-Munster 2012, as their first-line therapy. Material and methods The outcome data of 10 patients with refractory AML (median age 9.5 years) and 30 with relapsed AML (median age 12 years) were analysed retrospectively. Re-induction was usually based on idarubicin, fludarabine, and cytarabine along with allogeneic haematopoietic stem cell transplant (allo-HSCT) in 5 patients with refractory AML and 7 relapsed AML children. Results 37.5% (3/8) of refractory AML patients achieved second complete remission second complete remission (CRII). One of ten patients (1/10; 10%) was alive and stayed in complete remission for 34 months after the allo-HSCT. The probability of 3-year event-free survival (pEFS) in this group was 0.125 ±0.11. In the group of relapsed AML patients, the CRII was achieved in 9 patients (34%), and the probability of survival was: pEFS = 0.24 ±0.08; probability overall survival (pOS) = 0.34 ±0.09, with significantly better results achieved in patients who underwent allo-HSCT (pOS = 0.54 ±0.14 vs. 0.08 ±0.08, p < 0.0001). Conclusions The prognosis of refractory AML and the first AML recurrence in children who were first-line treated in PPL/LSG centres according to Protocol Acute Myeloid Leukaemia Berlin-Frankfurt-Munster 2012 is poor. Failures of re-induction treatment particularly result from difficulties in achieving remission. Allogeneic HSCT improves prognosis in children with refractory and first recurrent AML, under the condition it is performed in complete remission. Novel therapeutic approaches are needed to increase the remission rate and improve the outcomes.
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Affiliation(s)
- Magdalena Samborska
- Department of Pediatric Hematology, Oncology and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Jolanta Skalska-Sadowska
- Department of Pediatric Hematology, Oncology and Transplantology, University of Medical Sciences, Poznań, Poland
| | | | - Jacek Wachowiak
- Department of Pediatric Hematology, Oncology and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Katarzyna Derwich
- Department of Pediatric Hematology, Oncology and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Małgorzata Czogała
- Department of Pediatric Oncology and Hematology, University Children Hospital, Kraków, Poland
| | - Walentyna Balwierz
- Department of Pediatric Oncology and Hematology, University Children Hospital, Kraków, Poland
| | - Szymon Skoczeń
- Department of Pediatric Oncology and Hematology, University Children Hospital, Kraków, Poland
| | - Grzegorz Dobaczewski
- Clinical Department of Pediatric Bone Marrow Transplantation, Oncology and Haematologu, Wrocław Medical University, Wrocław, Poland
| | - Alicja Chybicka
- Clinical Department of Pediatric Bone Marrow Transplantation, Oncology and Haematologu, Wrocław Medical University, Wrocław, Poland
| | - Krzysztof Kałwak
- Clinical Department of Pediatric Bone Marrow Transplantation, Oncology and Haematologu, Wrocław Medical University, Wrocław, Poland
| | - Maryna Krawczuk-Rybak
- Department of Pediatric Oncology and Hematology, Medical University, Białystok, Poland
| | | | | | | | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdańsk, Poland
| | - Joanna Pohorecka
- Department of Pediatric Hematology and Oncology, Regional Polyclinic Hospital, Kielce, Poland
| | | | - Grażyna Karolczyk
- Department of Pediatric Hematology and Oncology, Regional Polyclinic Hospital, Kielce, Poland
| | - Beata Wójcik
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Jerzy R. Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Katarzyna Mycko
- Department of Pediatrics and Hematology and Oncology, Province Children’s Hospital, Olsztyn, Poland
| | - Wanda Badowska
- Department of Pediatrics and Hematology and Oncology, Province Children’s Hospital, Olsztyn, Poland
| | - Tomasz Ociepa
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Urasiński
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Barbara Sikorska-Fic
- Department of Oncology, Pediatric Hematology, Transplantology and Pediatrics, Medical University, Warsaw, Poland
| | - Michał Matysiak
- Department of Oncology, Pediatric Hematology, Transplantology and Pediatrics, Medical University, Warsaw, Poland
| | - Paweł Laguna
- Department of Oncology, Pediatric Hematology, Transplantology and Pediatrics, Medical University, Warsaw, Poland
| | - Anna Dąbrowska-Pawliszyn
- Department of Pediatric Hematology and Oncology, Medical University of Silesia, Katowice, Zabrze, Poland
| | - Renata Tomaszewska
- Department of Pediatric Hematology and Oncology, Medical University of Silesia, Katowice, Zabrze, Poland
| | - Tomasz Szczepański
- Department of Pediatric Hematology and Oncology, Medical University of Silesia, Katowice, Zabrze, Poland
| | | | | | - Małgorzata Ciebiera
- Department of Pediatric Oncohematology, Clinical Province Hospital, Rzeszów, Poland
| | - Radosław Chaber
- Department of Pediatric Oncohematology, Clinical Province Hospital, Rzeszów, Poland
| | - Sylwia Kołtan
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | - Mariusz Wysocki
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | - Mariola Woszczyk
- Department of Pediatric Hematology and Oncology, Pediatric Center, Chorzów, Poland
| | - Maria Wieczorek
- Department of Pediatric Hematology and Oncology, Pediatric Center, Chorzów, Poland
| | | | | | - Katarzyna Bobeff
- Department of Pediatrics, Oncology and Hematology, Medical University, Łódź, Poland
| | - Joanna Trelińska
- Department of Pediatrics, Oncology and Hematology, Medical University, Łódź, Poland
| | - Wojciech Młynarski
- Department of Pediatrics, Oncology and Hematology, Medical University, Łódź, Poland
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Kowalczyk A, Zarychta J, Marszołek A, Zawitkowska J, Lejman M. Chimeric Antigen Receptor T Cell and Chimeric Antigen Receptor NK Cell Therapy in Pediatric and Adult High-Grade Glioma-Recent Advances. Cancers (Basel) 2024; 16:623. [PMID: 38339374 PMCID: PMC10854514 DOI: 10.3390/cancers16030623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/28/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
High-grade gliomas (HGG) account for approximately 10% of central nervous system (CNS) tumors in children and 25% of CNS tumors in adults. Despite their rare occurrence, HGG are a significant clinical problem. The standard therapeutic procedure in both pediatric and adult patients with HGG is the surgical resection of the tumor combined with chemotherapy and radiotherapy. Despite intensive treatment, the 5-year overall survival in pediatric patients is below 20-30%. This rate is even lower for the most common HGG in adults (glioblastoma), at less than 5%. It is, therefore, essential to search for new therapeutic methods that can extend the survival rate. One of the therapeutic options is the use of immune cells (T lymphocytes/natural killer (NK) cells) expressing a chimeric antigen receptor (CAR). The objective of the following review is to present the latest results of preclinical and clinical studies evaluating the efficacy of CAR-T and CAR-NK cells in HGG therapy.
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Affiliation(s)
- Adrian Kowalczyk
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.K.); (J.Z.)
| | - Julia Zarychta
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.K.); (J.Z.)
| | - Anna Marszołek
- Student Scientific Society of Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
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Zawitkowska J, Drabko K, Lejman M, Kowalczyk A, Czyżewski K, Dziedzic M, Jaremek K, Zalas-Więcek P, Szmydki-Baran A, Hutnik Ł, Czogała W, Balwierz W, Żak I, Salamonowicz-Bodzioch M, Kazanowska B, Wróbel G, Frączkiewicz J, Kałwak K, Tomaszewska R, Szczepański T, Zając-Spychała O, Wachowiak J, Płonowski M, Krawczuk-Rybak M, Królak A, Ociepa T, Urasiński T, Pierlejewski F, Młynarski W, Urbańska-Rakus J, Machnik K, Pająk S, Badowska W, Brzeski T, Mycko K, Mańko-Glińska H, Urbanek-Dądela A, Karolczyk G, Mizia-Malarz A, Stolpa W, Skowron-Kandzia K, Musiał J, Chaber R, Irga-Jaworska N, Bień E, Styczyński J. Incidence of bacterial and fungal infections in Polish pediatric patients with acute lymphoblastic leukemia during the pandemic. Sci Rep 2023; 13:22619. [PMID: 38114744 PMCID: PMC10730514 DOI: 10.1038/s41598-023-50093-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 12/15/2023] [Indexed: 12/21/2023] Open
Abstract
The most common complications related to the treatment of childhood acute lymphoblastic leukemia (ALL) are infections. The aim of the study was to analyze the incidence and mortality rates among pediatric patients with ALL who were treated in 17 Polish pediatric hematology centers in 2020-2021 during the pandemic. Additionally, we compared these results with those of our previous study, which we conducted in the years 2012-2017. The retrospective analysis included 460 patients aged 1-18 years with newly diagnosed ALL. In our study, 361/460 (78.5%) children were reported to have microbiologically documented bacterial infections during chemotherapy. Ten patients (2.8%) died due to sepsis. Fungal infections were reported in 99 children (21.5%), of whom five (5.1%) died due to the infection. We especially observed an increase in bacterial infections during the pandemic period compared to the previous study. The directions of our actions should be to consider antibiotic prophylaxis, shorten the duration of hospitalization, and educate parents and medical staff about complications (mainly infections) during anticancer therapy. It is necessary to continue clinical studies evaluating infection prophylaxis to improve outcomes in childhood ALL patients.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland.
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, Lublin, Poland
| | - Adrian Kowalczyk
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Magdalena Dziedzic
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Kamila Jaremek
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Patrycja Zalas-Więcek
- Department of Microbiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Anna Szmydki-Baran
- Department of Hematology and Pediatrics, Medical University of Warsaw, Warsaw, Poland
| | - Łukasz Hutnik
- Department of Hematology and Pediatrics, Medical University of Warsaw, Warsaw, Poland
| | - Wojciech Czogała
- Department of Pediatric Oncology and Hematology, Intitute of Pediatrics, Jagiellonian University Medical College, Kraków, Poland
| | - Walentyna Balwierz
- Department of Pediatric Oncology and Hematology, Intitute of Pediatrics, Jagiellonian University Medical College, Kraków, Poland
| | - Iwona Żak
- Department of Microbiology, University Children's Hospital, Jagiellonian University Medical College, Kraków, Poland
| | | | - Bernarda Kazanowska
- Department of Pediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, Wroclaw, Poland
| | - Grażyna Wróbel
- Department of Pediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, Wroclaw, Poland
| | - Jowita Frączkiewicz
- Department of Pediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, Wroclaw, Poland
| | - Krzysztof Kałwak
- Department of Pediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, Wroclaw, Poland
| | - Renata Tomaszewska
- Department of Pediatrics, Hematology and Oncology, Medical University of Silesia, Katowice, Poland
| | - Tomasz Szczepański
- Department of Pediatrics, Hematology and Oncology, Medical University of Silesia, Katowice, Poland
| | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznan, Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznan, Poland
| | - Marcin Płonowski
- Department of Pediatric Oncology, Hematology, Medical University of Bialystok, Bialystok, Poland
| | - Maryna Krawczuk-Rybak
- Department of Pediatric Oncology, Hematology, Medical University of Bialystok, Bialystok, Poland
| | - Aleksandra Królak
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Ociepa
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Urasiński
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Filip Pierlejewski
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Wojciech Młynarski
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | | | - Katarzyna Machnik
- Unit of Pediatric Hematology and Oncology, City Hospital, Chorzow, Poland
| | - Sonia Pająk
- Unit of Pediatric Hematology and Oncology, City Hospital, Chorzow, Poland
| | - Wanda Badowska
- Collegium Medicum University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Tomasz Brzeski
- Collegium Medicum University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Katarzyna Mycko
- Collegium Medicum University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Hanna Mańko-Glińska
- Collegium Medicum University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Agnieszka Urbanek-Dądela
- Department of Pediatric Oncology and Hematology, Collegium Medium of Jan Kochanowski University in Kielce, Kielce, Poland
| | - Grażyna Karolczyk
- Department of Pediatric Oncology and Hematology, Collegium Medium of Jan Kochanowski University in Kielce, Kielce, Poland
| | - Agnieszka Mizia-Malarz
- Department of Oncology, Hematology and Chemotherapy, Upper Silesia Children's Care Health, Medical University of Silesia, Katowice, Poland
| | - Weronika Stolpa
- Department of Oncology, Hematology and Chemotherapy, Upper Silesia Children's Care Health, Medical University of Silesia, Katowice, Poland
| | - Katarzyna Skowron-Kandzia
- Department of Oncology, Hematology and Chemotherapy, Upper Silesia Children's Care Health, Medical University of Silesia, Katowice, Poland
| | - Jakub Musiał
- Clinic of Pediatric Oncology and Hematology, Faculty of Medicine, University of Rzeszow, Rzeszow, Poland
| | - Radosław Chaber
- Clinic of Pediatric Oncology and Hematology, Faculty of Medicine, University of Rzeszow, Rzeszow, Poland
| | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology, Oncology and Endocrinology, Medical University of Gdansk, Gdańsk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology, Oncology and Endocrinology, Medical University of Gdansk, Gdańsk, Poland
| | - Jan Styczyński
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
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Leśniak M, Lipniarska J, Majka P, Lejman M, Zawitkowska J. Recent Updates in Venetoclax Combination Therapies in Pediatric Hematological Malignancies. Int J Mol Sci 2023; 24:16708. [PMID: 38069030 PMCID: PMC10706781 DOI: 10.3390/ijms242316708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Venetoclax is a strongly effective B-cell lymphoma-2 inhibitor (BCL-2) with an ability to selectively restore the apoptotic potential of cancerous cells. It has been proven that in combination with immunotherapy, targeted therapies, and lower-intensity therapies such as hypomethylating agents (HMAs) or low-dose cytarabine (LDAC), the drug can improve overall outcomes for adult patients with acute myeloid leukemia (AML), chronic lymphocytic leukemia (CLL), and multiple myeloma (MM), amongst other hematological malignancies, but its benefit in pediatric hematology remains unclear. With a number of preclinical and clinical trials emerging, the newest findings suggest that in many cases of younger patients, venetoclax combination treatment can be well-tolerated, with a safety profile similar to that in adults, despite often leading to severe infections. Studies aim to determine the activity of BCL-2 inhibitor in the treatment of both primary and refractory acute leukemias in combination with standard and high-dose chemotherapy. Although more research is required to identify the optimal venetoclax-based regimen for the pediatric population and its long-term effects on patients' outcomes, it can become a potential therapeutic agent for pediatric oncology.
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Affiliation(s)
- Maria Leśniak
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.L.); (J.L.); (P.M.)
| | - Justyna Lipniarska
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.L.); (J.L.); (P.M.)
| | - Patrycja Majka
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (M.L.); (J.L.); (P.M.)
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
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Ostojska M, Nowak E, Twardowska J, Lejman M, Zawitkowska J. CAR-T Cell Therapy in the Treatment of Pediatric Non-Hodgkin Lymphoma. J Pers Med 2023; 13:1595. [PMID: 38003910 PMCID: PMC10672004 DOI: 10.3390/jpm13111595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/03/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Non-Hodgkin lymphomas (NHL) are a group of cancers that originate in the lymphatic system, especially from progenitor or mature B-cells, T-cells, or natural killer (NK) cells. NHL is the most common hematological malignancy worldwide and also the fourth most frequent type of cancer among pediatric patients. This cancer can occur in children of any age, but it is quite rare under the age of 5 years. In recent decades, available medicines and therapies have significantly improved the prognosis of patients with this cancer. However, some cases of NHL are treatment resistant. For this reason, immunotherapy, as a more targeted and personalized treatment strategy, is becoming increasingly important in the treatment of NHL in pediatric patients. The objective of the following review is to gather the latest available research results, conducted among pediatric and/or adult patients with NHL, regarding one immunotherapy method, i.e., chimeric antigen receptor (CAR) T cell therapy. We focus on assessing the effectiveness of CAR-T cell therapy, which mainly targets B cell markers, CD19, CD20, and CD22, their connections with one another, sequential treatment, or connections with co-stimulatory molecules. In addition, we also evaluate the safety, aftermath (especially neurotoxicities) and limitations of CAR-T cell therapy.
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Affiliation(s)
- Magdalena Ostojska
- Student’s Scientific Association of the Department of Pediatric Hematology, Oncology and Transplantation, Medical University of Lublin, 20-093 Lublin, Poland; (M.O.); (E.N.); (J.T.)
| | - Emilia Nowak
- Student’s Scientific Association of the Department of Pediatric Hematology, Oncology and Transplantation, Medical University of Lublin, 20-093 Lublin, Poland; (M.O.); (E.N.); (J.T.)
| | - Julia Twardowska
- Student’s Scientific Association of the Department of Pediatric Hematology, Oncology and Transplantation, Medical University of Lublin, 20-093 Lublin, Poland; (M.O.); (E.N.); (J.T.)
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Faculty of Medicine, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University of Lublin, 20-093 Lublin, Poland
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Zawitkowska J, Lejman M, Derwich K. Editorial: Diagnosis and therapy pediatric hematological malignancies: recent progress. Front Pediatr 2023; 11:1303561. [PMID: 37964814 PMCID: PMC10640978 DOI: 10.3389/fped.2023.1303561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/09/2023] [Indexed: 11/16/2023] Open
Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, Lublin, Poland
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznan, Poland
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Rocka A, Woźniak M, Lejman M, Zawitkowska J. Severe complications in the induction phase of therapy in a pediatric patient with T-cell acute lymphoblastic leukemia: A case report. Medicine (Baltimore) 2023; 102:e34965. [PMID: 37682188 PMCID: PMC10489477 DOI: 10.1097/md.0000000000034965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/07/2023] [Indexed: 09/09/2023] Open
Abstract
RATIONALE Acute lymphoblastic leukemia (ALL) represents approximately 1-quarter of all new cases of childhood cancer. Although overall survival following diagnosis has improved in recent years, the toxicity of chemotherapy remains a concern. PATIENT CONCERNS We describe an 11-year-old male patient diagnosed with T-cell precursor ALL who developed compounded complications during the induction phase of chemotherapy. Patient was hospitalized in the Department of Pediatric Hematology, Oncology, and Transplantology of the Medical University of Lublin, Poland. The patient's induction therapy was started according to the AIEOP-BFM ALL 2017 protocol IAp (International Collaborative Treatment Protocol for Children and Adolescents with Acute Lymphoblastic Leukemia). DIAGNOSES Patient developed compounded complications such as cholecystitis, hepatotoxicity, pancreatitis and myelosuppression. INTERVENTIONS The patient was treated with leukapheresis, received a broad-spectrum antibiotic, potassium supplementation and hepatoprotective treatment and laparotomy cholecystectomy. OUTCOMES In the available literature, there is a limited amount of similar clinical cases with multiple complications in pediatric patients with ALL. Toxicities cause delays in the treatment of the underlying disease. LESSONS In children with acute lymphoblastic leukemia, there are side effects during the treatment such as cholecystitis and pancreatitis. Complications during treatment require a quick response and modification of disease management. Abdominal ultrasound performed before treatment makes it possible to observe the dynamics of lesions. Genetic mutation analysis could allow us to more precisely respond to the possible susceptibility to and appearance of complications after the use of a given chemotherapeutic agent.
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Affiliation(s)
- Agata Rocka
- Pediatric Radiology, Medical University of Lublin, Lublin, Poland
| | | | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University, Lublin, Poland
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Pawłowski P, Ziętara KJ, Michalczyk J, Fryze M, Buchacz A, Zaucha-Prażmo A, Zawitkowska J, Torres A, Samardakiewicz M. Fertility Preservation in Children and Adolescents during Oncological Treatment-A Review of Healthcare System Factors and Attitudes of Patients and Their Caregivers. Cancers (Basel) 2023; 15:4393. [PMID: 37686669 PMCID: PMC10487203 DOI: 10.3390/cancers15174393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023] Open
Abstract
Oncofertility is any therapeutic intervention to safeguard the fertility of cancer patients. Anti-cancer therapies (chemotherapy, radiation therapy, etc.) entail the risk of reproductive disorders through cytotoxic effects on gamete-building cells, especially those not yet fully developed. This literature review analyzes the available data on securing fertility in pediatric and adolescent populations to identify the methods used and describe aspects related to financing, ethics, and the perspective of patients and their parents. Topics related to oncofertility in this age group are relatively niche, with few peer-reviewed articles available and published studies mostly on adults. Compared to pubertal individuals, a limited number of fertility preservation methods are used for prepubertal patients. Funding for the procedures described varies from country to country, but only a few governments choose to reimburse them. Oncofertility of pediatric and adolescent patients raises many controversies related to the decision, parents' beliefs, having a partner, ethics, as well as the knowledge and experience of healthcare professionals. As the fertility of young cancer patients is at risk, healthcare professionals should make every effort to provide them with an opportunity to fulfill their future reproductive plans and to have a family and offspring. Systemic solutions should form the basis for the development of oncofertility in pediatric and adolescent populations.
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Affiliation(s)
- Piotr Pawłowski
- Student Scientific Association at the Department of Psychology, Faculty of Medicine, Medical University of Lublin, 20-093 Lublin, Poland; (P.P.); (J.M.)
| | - Karolina Joanna Ziętara
- Student Scientific Association at the Department of Psychology, Faculty of Medicine, Medical University of Lublin, 20-093 Lublin, Poland; (P.P.); (J.M.)
| | - Justyna Michalczyk
- Student Scientific Association at the Department of Psychology, Faculty of Medicine, Medical University of Lublin, 20-093 Lublin, Poland; (P.P.); (J.M.)
| | - Magdalena Fryze
- Department of Psychology, Psychosocial Aspects of Medicine, Medical University of Lublin, 20-093 Lublin, Poland; (M.F.); (M.S.)
| | - Anna Buchacz
- Youth Cancer Europe, 400372 Cluj-Napoca, Romania;
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.Z.-P.); (J.Z.)
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.Z.-P.); (J.Z.)
| | - Anna Torres
- Department of Pediatric and Adolescent Gynecology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Marzena Samardakiewicz
- Department of Psychology, Psychosocial Aspects of Medicine, Medical University of Lublin, 20-093 Lublin, Poland; (M.F.); (M.S.)
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Zarychta J, Kowalczyk A, Krawczyk M, Lejman M, Zawitkowska J. CAR-T Cells Immunotherapies for the Treatment of Acute Myeloid Leukemia-Recent Advances. Cancers (Basel) 2023; 15:cancers15112944. [PMID: 37296906 DOI: 10.3390/cancers15112944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 05/21/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
In order to increase the effectiveness of cancer therapies and extend the long-term survival of patients, more and more often, in addition to standard treatment, oncological patients receive also targeted therapy, i.e., CAR-T cells. These cells express a chimeric receptor (CAR) that specifically binds an antigen present on tumor cells, resulting in tumor cell lysis. The use of CAR-T cells in the therapy of relapsed and refractory B-type acute lymphoblastic leukemia (ALL) resulted in complete remission in many patients, which prompted researchers to conduct tests on the use of CAR-T cells in the treatment of other hematological malignancies, including acute myeloid leukemia (AML). AML is associated with a poorer prognosis compared to ALL due to a higher risk of relapse caused by the development of resistance to standard treatment. The 5-year relative survival rate in AML patients was estimated at 31.7%. The objective of the following review is to present the mechanism of action of CAR-T cells, and discuss the latest findings on the results of anti-CD33, -CD123, -FLT3 and -CLL-1 CAR-T cell therapy, the emerging challenges as well as the prospects for the future.
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Affiliation(s)
- Julia Zarychta
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Adrian Kowalczyk
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Milena Krawczyk
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
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Panuciak K, Nowicka E, Mastalerczyk A, Zawitkowska J, Niedźwiecki M, Lejman M. Overview on Aneuploidy in Childhood B-Cell Acute Lymphoblastic Leukemia. Int J Mol Sci 2023; 24:ijms24108764. [PMID: 37240110 DOI: 10.3390/ijms24108764] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/04/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Recent years have brought significant progress in the treatment of B-cell acute lymphoblastic leukemia (ALL). This was influenced by both the improved schemes of conventionally used therapy, as well as the development of new forms of treatment. As a consequence, 5-year survival rates have increased and now exceed 90% in pediatric patients. For this reason, it would seem that everything has already been explored in the context of ALL. However, delving into its pathogenesis at the molecular level shows that there are many variations that still need to be analyzed in more detail. One of them is aneuploidy, which is among the most common genetic changes in B-cell ALL. It includes both hyperdiploidy and hypodiploidy. Knowledge of the genetic background is important already at the time of diagnosis, because the first of these forms of aneuploidy is characterized by a good prognosis, in contrast to the second, which is in favor of an unfavorable course. In our work, we will focus on summarizing the current state of knowledge on aneuploidy, along with an indication of all the consequences that may be correlated with it in the context of the treatment of patients with B-cell ALL.
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Affiliation(s)
- Kinga Panuciak
- Student Scientific Society, Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Emilia Nowicka
- Student Scientific Society, Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Angelika Mastalerczyk
- Student Scientific Society, Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland
| | - Maciej Niedźwiecki
- Department of Pediatrics, Hematology and Oncology, Medical University of Gdansk, Debinki 7, 80-211 Gdansk, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
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Kowalczyk A, Zarychta J, Lejman M, Zawitkowska J. Electrochemical and Optical Sensors for the Detection of Chemical Carcinogens Causing Leukemia. Sensors (Basel) 2023; 23:3369. [PMID: 37050429 PMCID: PMC10098728 DOI: 10.3390/s23073369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
The incidence and mortality due to neoplastic diseases have shown an increasing tendency over the years. Based on GLOBOCAN 2020 published by the International Agency for Research on Cancer (IARC), leukemias are the thirteenth most commonly diagnosed cancer in the world, with 78.6% of leukemia cases diagnosed in countries with a very high or high Human Development Index (HDI). Carcinogenesis is a complex process initiated by a mutation in DNA that may be caused by chemical carcinogens present in polluted environments and human diet. The IARC has identified 122 human carcinogens, e.g., benzene, formaldehyde, pentachlorophenol, and 93 probable human carcinogens, e.g., styrene, diazinone. The aim of the following review is to present the chemical carcinogens involved or likely to be involved in the pathogenesis of leukemia and to summarize the latest reports on the possibility of detecting these compounds in the environment or food with the use of electrochemical sensors.
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Affiliation(s)
- Adrian Kowalczyk
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Julia Zarychta
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, 20-093 Lublin, Poland
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Górecki M, Kozioł I, Kopystecka A, Budzyńska J, Zawitkowska J, Lejman M. Updates in KMT2A Gene Rearrangement in Pediatric Acute Lymphoblastic Leukemia. Biomedicines 2023; 11:biomedicines11030821. [PMID: 36979800 PMCID: PMC10045821 DOI: 10.3390/biomedicines11030821] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/01/2023] [Accepted: 03/04/2023] [Indexed: 03/10/2023] Open
Abstract
The KMT2A (formerly MLL) encodes the histone lysine-specific N-methyltransferase 2A and is mapped on chromosome 11q23. KMT2A is a frequent target for recurrent translocations in acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), or mixed lineage (biphenotypic) leukemia (MLL). Over 90 KMT2A fusion partners have been identified until now, including the most recurring ones—AFF1, MLLT1, and MLLT3—which encode proteins regulating epigenetic mechanisms. The presence of distinct KMT2A rearrangements is an independent dismal prognostic factor, while very few KMT2A rearrangements display either a good or intermediate outcome. KMT2A-rearranged (KMT2A-r) ALL affects more than 70% of new ALL diagnoses in infants (<1 year of age), 5–6% of pediatric cases, and 15% of adult cases. KMT2A-rearranged (KMT2A-r) ALL is characterized by hyperleukocytosis, a relatively high incidence of central nervous system (CNS) involvement, an aggressive course with early relapse, and early relapses resulting in poor prognosis. The exact pathways of fusions and the effects on the final phenotypic activity of the disease are still subjects of much research. Future trials could consider the inclusion of targeted immunotherapeutic agents and prioritize the identification of prognostic factors, allowing for the less intensive treatment of some infants with KMT2A ALL. The aim of this review is to summarize our knowledge and present current insight into the mechanisms of KMT2A-r ALL, portray their characteristics, discuss the clinical outcome along with risk stratification, and present novel therapeutic strategies.
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Affiliation(s)
- Mateusz Górecki
- Student Scientific Society of Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Ilona Kozioł
- Student Scientific Society of the Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Agnieszka Kopystecka
- Student Scientific Society of the Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Julia Budzyńska
- Student Scientific Society of the Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
- Correspondence:
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Leśniak M, Lipniarska J, Majka P, Kopyt W, Lejman M, Zawitkowska J. The Role of TRL7/8 Agonists in Cancer Therapy, with Special Emphasis on Hematologic Malignancies. Vaccines (Basel) 2023; 11:vaccines11020277. [PMID: 36851155 PMCID: PMC9967151 DOI: 10.3390/vaccines11020277] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Toll-like receptors (TLR) belong to the pattern recognition receptors (PRR). TLR7 and the closely correlated TLR8 affiliate with toll-like receptors family, are located in endosomes. They recognize single-stranded ribonucleic acid (RNA) molecules and synthetic deoxyribonucleic acid (DNA)/RNA analogs-oligoribonucleotides. TLRs are primarily expressed in hematopoietic cells. There is compiling evidence implying that TLRs also direct the formation of blood cellular components and make a contribution to the pathogenesis of certain hematopoietic malignancies. The latest research shows a positive effect of therapy with TRL agonists on the course of hemato-oncological diseases. Ligands impact activation of antigen-presenting cells which results in production of cytokines, transfer of mentioned cells to the lymphoid tissue and co-stimulatory surface molecules expression required for T-cell activation. Toll-like receptor agonists have already been used in oncology especially in the treatment of dermatological neoplastic lesions. The usage of these substances in the treatment of solid tumors is being investigated. The present review discusses the direct and indirect influence that TLR7/8 agonists, such as imiquimod, imidazoquinolines and resiquimod have on neoplastic cells and their promising role as adjuvants in anticancer vaccines.
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Affiliation(s)
- Maria Leśniak
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Justyna Lipniarska
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Patrycja Majka
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Weronika Kopyt
- Student Scientific Society of Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland
- Correspondence:
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Zawitkowska J, Drabko K, Czyżewski K, Dziedzic M, Jaremek K, Zalas-Więcek P, Szmydki-Baran A, Hutnik Ł, Matysiak M, Czogała W, Balwierz W, Żak I, Salamonowicz-Bodzioch M, Kazanowska B, Wróbel G, Kałwak K, Tomaszewska R, Szczepański T, Zając-Spychała O, Wachowiak J, Płonowski M, Krawczuk-Rybak M, Królak A, Ociepa T, Urasiński T, Pierlejewski F, Młynarski W, Urbańska-Rakus J, Machnik K, Pająk S, Badowska W, Brzeski T, Mycko K, Mańko-Glińska H, Urbanek-Dądela A, Karolczyk G, Mizia-Malarz A, Stolpa W, Skowron-Kandzia K, Musiał J, Chaber R, Irga-Jaworska N, Bień E, Styczyński J. Viral Infection Profile in Children Treated for Acute Lymphoblastic Leukemia—Results of Nationwide Study. Pathogens 2022; 11:pathogens11101091. [PMID: 36297147 PMCID: PMC9609456 DOI: 10.3390/pathogens11101091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/10/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
Viral infections can be a serious complication of therapy in children with acute lymphoblastic leukemia (ALL). In this study, we focused on the incidence and the profile of viral infection in children with ALL treated in 17 pediatric oncology centers in Poland in the two-year periods of 2018–2019 and 2020–2021. We also compared the frequency of viral infections in 2018–2019 to that in 2020–2021. In 2020–2021, a total of 192 children with ALL had a viral infection during intensive chemotherapy. A total number of 312 episodes of viral infections were diagnosed. The most common infections detected in the samples were: COVID-19 (23%), rhinovirus (18%), and respiratory syncytial virus (14%). COVID-19 and BK virus infections were the reason for the death 1% of all patients. In 2018–2019, a total of 53 ALL patients who had a viral infection were reported and 72 viral events were observed, mainly adenovirus (48.6%), rotavirus (31.9%), and herpes zoster (8.3%). No deaths were reported during this period. The cumulative incidence of viral infections in 2018–2019 was 10.4%, while for 2020–2021, it was 36.7%. In conclusion, a high incidence of COVID-19 infection was observed among pediatric patients with ALL in Poland. The mortality rate in our material was low. The viral profile in ALL children undergoing chemotherapy can be useful for clinicians to improve prophylactic and therapeutic strategies.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, 20-059 Lublin, Poland
- Correspondence:
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, 20-059 Lublin, Poland
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland
| | - Magdalena Dziedzic
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland
| | - Kamila Jaremek
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland
| | - Patrycja Zalas-Więcek
- Department of Microbiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland
| | - Anna Szmydki-Baran
- Department of Hematology and Pediatrics, Medical University of Warsaw, 02-091 Warszawa, Poland
| | - Łukasz Hutnik
- Department of Hematology and Pediatrics, Medical University of Warsaw, 02-091 Warszawa, Poland
| | - Michał Matysiak
- Department of Hematology and Pediatrics, Medical University of Warsaw, 02-091 Warszawa, Poland
| | - Wojciech Czogała
- Department of Pediatric Oncology and Hematology, Institute of Pediatrics, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Walentyna Balwierz
- Department of Pediatric Oncology and Hematology, Institute of Pediatrics, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Iwona Żak
- Department of Microbiology, University Children’s Hospital, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Małgorzata Salamonowicz-Bodzioch
- Department of Paediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Bernarda Kazanowska
- Department of Paediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Grażyna Wróbel
- Department of Paediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Krzysztof Kałwak
- Department of Paediatric Bone Marrow Transplantation, Oncology and Haematology, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Renata Tomaszewska
- Department of Pediatrics, Hematology and Oncology, Medical University of Silesia, 40-752 Katowice, Poland
| | - Tomasz Szczepański
- Department of Pediatrics, Hematology and Oncology, Medical University of Silesia, 40-752 Katowice, Poland
| | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Marcin Płonowski
- Department of Pediatric Oncology, Hematology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Maryna Krawczuk-Rybak
- Department of Pediatric Oncology, Hematology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Aleksandra Królak
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Tomasz Ociepa
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Tomasz Urasiński
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Filip Pierlejewski
- Department of Pediatrics, Oncology & Hematology, Medical University of Lodz, 90-647 Lodz, Poland
| | - Wojciech Młynarski
- Department of Pediatrics, Oncology & Hematology, Medical University of Lodz, 90-647 Lodz, Poland
| | | | - Katarzyna Machnik
- Unit of Pediatric Hematology and Oncology, City Hospital, 41-500 Chorzow, Poland
| | - Sonia Pająk
- Unit of Pediatric Hematology and Oncology, City Hospital, 41-500 Chorzow, Poland
| | - Wanda Badowska
- Clinical Department of Pediatric Oncology and Hematology, Department of Clinical Pediatrics, University of Warmia and Mazury in Olsztyn, Regional Specialized Children’s Hospital in Olsztyn, 10-561 Olsztyn, Poland
| | - Tomasz Brzeski
- Clinical Department of Pediatric Oncology and Hematology, Department of Clinical Pediatrics, University of Warmia and Mazury in Olsztyn, Regional Specialized Children’s Hospital in Olsztyn, 10-561 Olsztyn, Poland
| | - Katarzyna Mycko
- Clinical Department of Pediatric Oncology and Hematology, Department of Clinical Pediatrics, University of Warmia and Mazury in Olsztyn, Regional Specialized Children’s Hospital in Olsztyn, 10-561 Olsztyn, Poland
| | - Hanna Mańko-Glińska
- Clinical Department of Pediatric Oncology and Hematology, Department of Clinical Pediatrics, University of Warmia and Mazury in Olsztyn, Regional Specialized Children’s Hospital in Olsztyn, 10-561 Olsztyn, Poland
| | - Agnieszka Urbanek-Dądela
- Department of Pediatric Oncology and Hematology, Collegium Medium of Jan Kochanowski University in Kielce, 25-317 Kielce, Poland
| | - Grażyna Karolczyk
- Department of Pediatric Oncology and Hematology, Collegium Medium of Jan Kochanowski University in Kielce, 25-317 Kielce, Poland
| | - Agnieszka Mizia-Malarz
- Department of Oncology, Hematology and Chemotherapy, Upper Silesia Children’s Care Health, Medical University of Silesia, 40-752 Katowice, Poland
| | - Weronika Stolpa
- Department of Oncology, Hematology and Chemotherapy, Upper Silesia Children’s Care Health, Medical University of Silesia, 40-752 Katowice, Poland
| | - Katarzyna Skowron-Kandzia
- Department of Oncology, Hematology and Chemotherapy, Upper Silesia Children’s Care Health, Medical University of Silesia, 40-752 Katowice, Poland
| | - Jakub Musiał
- Clinic of Paediatric Oncology and Haematology, Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland
| | - Radosław Chaber
- Clinic of Paediatric Oncology and Haematology, Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland
| | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology, Oncology and Endocrinology, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology, Oncology and Endocrinology, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland
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Kośmider K, Kozakiewicz A, Filipiuk A, Sławińska D, Lejman M, Zawitkowska J. Multiple sclerosis in a child with neurofibromatosis type I - clinical management of a challenging case. Ann Agric Environ Med 2022; 29:309-315. [PMID: 35767770 DOI: 10.26444/aaem/142267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A 13-year-old girl with neurofibromastosis (NF1) was admitted to the Department of Paediatric Haematology, Oncology and Transplantology due to progressive vision loss in September 2018. The patient was diagnosed with optic nerve gliomas and chemotherapy was initiated. During the treatment, the girl experienced muscle weakness in the lower limbs, and uncharacteristic lesions were detected in the spinal cord. Eventually, the girl was diagnosed with MS. The described case is one of the few reports of a child with coexisting NF1 and MS. The coincidence of these diseases is unusual and requires a multidisciplinary approach. Vision impairment in patients suffering from NF1 is typically associated with optic nerve gliomas, although it can be caused by other factors, such as MS, which is proven to have a higher prevalence in the NF1 population. Extensive ophthalmological diagnostics may not be conclusive, thus there is a need for the thorough neurological evaluation of patients with NF1 and visual deficits.
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Affiliation(s)
- Kamil Kośmider
- Student Scientific Society, Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Agata Kozakiewicz
- Student Scientific Society, Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Aleksandra Filipiuk
- Student Scientific Society, Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Dorota Sławińska
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
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Filipiuk A, Kozakiewicz A, Kośmider K, Lejman M, Zawitkowska J. Diagnostic and therapeutic approach to children with Nijmegen breakage syndrome in relation to development of lymphoid malignancies. Ann Agric Environ Med 2022; 29:207-214. [PMID: 35767752 DOI: 10.26444/aaem/143541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
INTRODUCTION AND OBJECTIVE Nijmegen breakage syndrome (NBS) is a rare chromosomal instability disorder. The majority of patients carry founder mutation in the NBN gene (c.657_661del5). Characteristic features of the NBS include progressive microcephaly, dysmorphic facial features, immunodeficiency, and high predisposition to malignancy with cumulative cancer incidence by the age of 20 years, and amounted to over 70%. The aim of study is to present the latest methods of diagnosis, potential cancer risk factors and treatment of lymphoid malignancies in children with NBS. REVIEW METHODS To review the evidence using PubMed and Google Scholar search which included articles published between 2009-2021, focusing on articles published between 2013-2021. ABBREVIATED DESCRIPTION OF THE STATE OF KNOWLEDGE The average delay in diagnosis of NBS ranges from 4-5 years. Neonatal screening of T-cell excision circles (TRECs) and kappa-deleting recombination excision circles (KRECs) seems favourable in NBS. There are no specific protocols for the treatment of lymphoid malignancies in children with NBS, and full- dose chemotherapy is the most frequently applied method. Reducing the doses of chemotherapy does not significantly reduce the toxicity. Main cause of death is cancer progression and treatment-related mortality mostly associated with infectious complications. Patients with diagnosed cancer who received haematopoietic stem cell transplantation (HSCT) had significantly higher 20-year OS than those who did not (42.7% vs. 30.3%). SUMMARY Further meta-analysis is essential to establish the best monitoring and treatment regimen in patients with NBS and lymphoid malignancies.
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Affiliation(s)
- Aleksandra Filipiuk
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University, Lublin, Poland
| | - Agata Kozakiewicz
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University, Lublin, Poland
| | - Kamil Kośmider
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University, Lublin, Poland
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University, Lublin, Poland
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19
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Obszański P, Kozłowska A, Wańcowiat J, Twardowska J, Lejman M, Zawitkowska J. Molecular-Targeted Therapy of Pediatric Acute Myeloid Leukemia. Molecules 2022; 27:molecules27123911. [PMID: 35745032 PMCID: PMC9230975 DOI: 10.3390/molecules27123911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 11/29/2022]
Abstract
Acute myeloid leukemia (AML) accounts for approximately 15–20% of all childhood leukemia cases. The overall survival of children with acute myeloid leukemia does not exceed 82%, and the 5-year event-free survival rates range from 46% to 69%. Such suboptimal outcomes are the result of numerous mutations and epigenetic changes occurring in this disease that adversely affect the susceptibility to treatment and relapse rate. We describe various molecular-targeted therapies that have been developed in recent years to meet these challenges and were or are currently being studied in clinical trials. First introduced in adult AML, novel forms of treatment are slowly beginning to change the therapeutic approach to pediatric AML. Despite promising results of clinical trials investigating new drugs, further clinical studies involving greater numbers of pediatric patients are still needed to improve the outcomes in childhood AML.
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Affiliation(s)
- Piotr Obszański
- Student Scientific Society, Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (P.O.); (A.K.)
| | - Anna Kozłowska
- Student Scientific Society, Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (P.O.); (A.K.)
| | - Jakub Wańcowiat
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (J.W.); (J.T.)
| | - Julia Twardowska
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (J.W.); (J.T.)
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland
- Correspondence:
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Śliwa-Tytko P, Kaczmarska A, Lejman M, Zawitkowska J. Neurotoxicity Associated with Treatment of Acute Lymphoblastic Leukemia Chemotherapy and Immunotherapy. Int J Mol Sci 2022; 23:ijms23105515. [PMID: 35628334 PMCID: PMC9146746 DOI: 10.3390/ijms23105515] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/12/2022] [Accepted: 05/13/2022] [Indexed: 02/07/2023] Open
Abstract
Immunotherapy is a milestone in the treatment of poor-prognosis pediatric acute lymphoblastic leukemia (ALL) and is expected to improve treatment outcomes and reduce doses of conventional chemotherapy without compromising the effectiveness of the therapy. However, both chemotherapy and immunotherapy cause side effects, including neurological ones. Acute neurological complications occur in 3.6–11% of children treated for ALL. The most neurotoxical chemotherapeutics are L-asparaginase (L-ASP), methotrexate (MTX), vincristine (VCR), and nelarabine (Ara-G). Neurotoxicity associated with methotrexate (MTX-NT) occurs in 3–7% of children treated for ALL and is characterized by seizures, stroke-like symptoms, speech disturbances, and encephalopathy. Recent studies indicate that specific polymorphisms in genes related to neurogenesis may have a predisposition to MTX toxicity. One of the most common complications associated with CAR T-cell therapy is immune effector cell-associated neurotoxicity syndrome (ICANS). Mechanisms of neurotoxicity in CAR T-cell therapy are still unknown and may be due to disruption of the blood–brain barrier and the effects of elevated cytokine levels on the central nervous system (CNS). In this review, we present an analysis of the current knowledge on the mechanisms of neurotoxicity of standard chemotherapy and the targeted therapy in children with ALL.
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Affiliation(s)
- Patrycja Śliwa-Tytko
- Student’s Scientific Association at the Department of Pediatric Hematology, Oncology and Transplantation, Medical University of Lublin, A. Racławickie 1, 20-059 Lublin, Poland;
| | - Agnieszka Kaczmarska
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Racławickie 1, 20-059 Lublin, Poland;
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Racławickie 1, 20-059 Lublin, Poland; or
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, A. Racławickie 1, 20-059 Lublin, Poland
- Correspondence: or ; Tel.: +48-507-365-635
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Kośmider K, Karska K, Kozakiewicz A, Lejman M, Zawitkowska J. Overcoming Steroid Resistance in Pediatric Acute Lymphoblastic Leukemia-The State-of-the-Art Knowledge and Future Prospects. Int J Mol Sci 2022; 23:ijms23073795. [PMID: 35409154 PMCID: PMC8999045 DOI: 10.3390/ijms23073795] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/20/2022] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common malignancy among children. Despite the enormous progress in ALL therapy, resulting in achieving a 5-year survival rate of up to 90%, the ambitious goal of reaching a 100% survival rate is still being pursued. A typical ALL treatment includes three phases: remission induction and consolidation and maintenance, preceded by a prednisone prephase. Poor prednisone response (PPR) is defined as the presence of ≥1.0 × 109 blasts/L in the peripheral blood on day eight of therapy and results in significantly frequent relapses and worse outcomes. Hence, identifying risk factors of steroid resistance and finding methods of overcoming that resistance may significantly improve patients' outcomes. A mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK-ERK) pathway seems to be a particularly attractive target, as its activation leads to steroid resistance via a phosphorylating Bcl-2-interacting mediator of cell death (BIM), which is crucial in the steroid-induced cell death. Several mutations causing activation of MAPK-ERK were discovered, notably the interleukin-7 receptor (IL-7R) pathway mutations in T-cell ALL and rat sarcoma virus (Ras) pathway mutations in precursor B-cell ALL. MAPK-ERK pathway inhibitors were demonstrated to enhance the results of dexamethasone therapy in preclinical ALL studies. This report summarizes steroids' mechanism of action, resistance to treatment, and prospects of steroids therapy in pediatric ALL.
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Affiliation(s)
- Kamil Kośmider
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (K.K.); (A.K.)
| | - Katarzyna Karska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
| | - Agata Kozakiewicz
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (K.K.); (A.K.)
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
- Correspondence:
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Stefaniak M, Ręka G, Zawitkowska J, Lejman M. Hypodiploidy in a pediatric patient of T-cell acute lymphoblastic leukemia: a case report. BMC Med Genomics 2021; 14:178. [PMID: 34217275 PMCID: PMC8254919 DOI: 10.1186/s12920-021-01023-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/24/2021] [Indexed: 11/29/2022] Open
Abstract
Background T-cell acute lymphoblastic leukemia is a subtype of acute lymphoblastic leukemia, one of the most common childhood neoplasms. Hypodiploidy is a chromosome abnormality with fewer than 45 chromosomes and is associated with unsatisfactory clinical outcomes in acute lymphoblastic leukemia. Case presentation We report clinical and genetic findings of a 14-year-old male with T-cell acute lymphoblastic leukemia with low-hypodiploidy. The medical history included neck pain for a month, facial nerve palsy on the right side for 6 days, fever, drowsiness, and weakness for 3 days, vomiting, diarrhea for 1 day. The physical examination presented features of hypovolemia, palsy of the facial nerve on the right side, enlarged lymph nodes, hepatosplenomegaly, sore throat, and petechiae of the skin. Radiological images indicated lesions of different organs. Bone marrow biopsy confirmed precursor T-ALL. In the FISH tests, KMT2A and BCR/ABL1 rearrangements were not observed. GTG banding revealed 3 cell clones, which confirmed the hypodiploidy. Multiplex RT-qPCR was performed. STIL/TAL1 (del1p32) gene rearrangement was found in the blast cells. Additional tests were performed using the CytoScan HD microarray technique. Molecular karyotype did not reveal hypodiploidy, but identified other abnormalities such as duplication of chromosomal regions: 4q25q35.2, 6p23.3p11.1 and 8p23.3q24.21, and the loss of heterozygosity of short arm chromosome 9. In two regions of the chromosome biallelic deletions were found at 9p21.3, including the CDKN2A, CDKN2B, IFNA1, MTAP genes and at 10q23.31, containing PTEN. The child died 9 days after diagnosis. Conclusions Bone marrow biopsy, GTG banding, FISH techniques, and molecular karyotyping were used to make an accurate diagnosis. This case documents a rapid progression of the disease and unfavorable results of T-cell acute lymphoblastic leukemia with hypodiploidy.
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Affiliation(s)
- Martyna Stefaniak
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Gębali 6, 20-093, Lublin, Poland. .,Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Gębali 6, 20-093, Lublin, Poland.
| | - Gabriela Ręka
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Gębali 6, 20-093, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Paediatric Haematology and Oncology and Transplantology, Medical University of Lublin, A. Gębali 6, 20-093, Lublin, Poland
| | - Monika Lejman
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Gębali 6, 20-093, Lublin, Poland.,Laboratory of Genetic Diagnostics, Medical University of Lublin, A. Gębali 6, 20-093, Lublin, Poland
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23
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Lato MW, Przysucha A, Grosman S, Zawitkowska J, Lejman M. The New Therapeutic Strategies in Pediatric T-Cell Acute Lymphoblastic Leukemia. Int J Mol Sci 2021; 22:ijms22094502. [PMID: 33925883 PMCID: PMC8123476 DOI: 10.3390/ijms22094502] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 12/23/2022] Open
Abstract
Childhood acute lymphoblastic leukemia is a genetically heterogeneous cancer that accounts for 10–15% of T-cell acute lymphoblastic leukemia (T-ALL) cases. The T-ALL event-free survival rate (EFS) is 85%. The evaluation of structural and numerical chromosomal changes is important for a comprehensive biological characterization of T-ALL, but there are currently no genetic prognostic markers. Despite chemotherapy regimens, steroids, and allogeneic transplantation, relapse is the main problem in children with T-ALL. Due to the development of high-throughput molecular methods, the ability to define subgroups of T-ALL has significantly improved in the last few years. The profiling of the gene expression of T-ALL has led to the identification of T-ALL subgroups, and it is important in determining prognostic factors and choosing an appropriate treatment. Novel therapies targeting molecular aberrations offer promise in achieving better first remission with the hope of preventing relapse. The employment of precisely targeted therapeutic approaches is expected to improve the cure of the disease and quality of life of patients. These include therapies that inhibit Notch1 activation (bortezomib), JAK inhibitors in ETP-ALL (ruxolitinib), BCL inhibitors (venetoclax), and anti-CD38 therapy (daratumumab). Chimeric antigen receptor T-cell therapy (CAR-T) is under investigation, but it requires further development and trials. Nelarabine-based regimens remain the standard for treating the relapse of T-ALL.
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Affiliation(s)
- Marta Weronika Lato
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (M.W.L.); (A.P.); (S.G.)
| | - Anna Przysucha
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (M.W.L.); (A.P.); (S.G.)
| | - Sylwia Grosman
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (M.W.L.); (A.P.); (S.G.)
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
- Correspondence:
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Mroczek A, Zawitkowska J, Kowalczyk J, Lejman M. Comprehensive Overview of Gene Rearrangements in Childhood T-Cell Acute Lymphoblastic Leukaemia. Int J Mol Sci 2021; 22:E808. [PMID: 33467425 PMCID: PMC7829804 DOI: 10.3390/ijms22020808] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 12/11/2022] Open
Abstract
Acute lymphoblastic leukaemia (ALL) is a relevant form of childhood neoplasm, as it accounts for over 80% of all leukaemia cases. T-cell ALL constitutes a genetically heterogeneous cancer derived from T-lymphoid progenitors. The diagnosis of T-ALL is based on morphologic, immunophenotypic, cytogenetic, and molecular features, thus the results are used for patient stratification. Due to the expression of surface and intracellular antigens, several subtypes of T-ALL can be distinguished. Although the aetiology of T-ALL remains unclear, a wide spectrum of rearrangements and mutations affecting crucial signalling pathways has been described so far. Due to intensive chemotherapy regimens and supportive care, overall cure rates of more than 80% in paediatric T-ALL patients have been accomplished. However, improved knowledge of the mechanisms of relapse, drug resistance, and determination of risk factors are crucial for patients in the high-risk group. Even though some residual disease studies have allowed the optimization of therapy, the identification of novel diagnostic and prognostic markers is required to individualize therapy. The following review summarizes our current knowledge about genetic abnormalities in paediatric patients with T-ALL. As molecular biology techniques provide insights into the biology of cancer, our study focuses on new potential therapeutic targets and predictive factors which may improve the outcome of young patients with T-ALL.
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Affiliation(s)
- Anna Mroczek
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.M.); (J.Z.); (J.K.)
| | - Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.M.); (J.Z.); (J.K.)
| | - Jerzy Kowalczyk
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University of Lublin, 20-093 Lublin, Poland; (A.M.); (J.Z.); (J.K.)
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
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Lejman M, Włodarczyk M, Zaucha-Prażmo A, Zawitkowska J. Use of microarrays and MLPA for integrating diagnostics and personalizing treatment - Case report of a patient with Ph-like acute B-cell lymphoblastic leukemia. Ann Agric Environ Med 2020; 27:713-716. [PMID: 33356083 DOI: 10.26444/aaem/115393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
B-cell precursor acute lymphoblastic leukemia (BCP-ALL) is the most common childhood cancer. A special subtype of high risk BCP-ALL is Philadelphia-like ALL (Ph-like ALL), in which the gene expression profile is similar to BCR-ABL1-positive leukemia; however, fusion of the mentioned genes does not occur. The unfavourable clinical course and incidence of 15% of cases means that the diagnosis and therapeutic strategy of Ph-like ALL must be carefully developed and implemented into clinical practice. The study presents the case of a patient with diagnosed Ph-like ALL. The use of molecular analytical techniques has made it possible to identify a patient who is likely to relapse and who may benefit from personalized therapy This study shows the advantages of using genomic analyses to identify therapeutic targets, which is especially important for patients with high-risk disease. This model of management could be extended to other cancer subtypes, allowing for tailored diagnosis.
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Affiliation(s)
- Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Monika Włodarczyk
- Laboratory of Genetic Diagnostics, Medical Univesity, Lublin, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology and Transplantology, Medical University, Lublin, Poland
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Zawitkowska J, Lejman M, Szmydki-Baran A, Zaucha-Prażmo A, Czyżewski K, Dziedzic M, Zalas-Więcek P, Gryniewicz-Kwiatkowska O, Czajńska-Deptuła A, Gietka A, Semczuk K, Hutnik Ł, Chełmecka-Wiktorczyk L, Żak I, Frączkiewicz J, Salamonowicz M, Tomaszewska R, Zając-Spychała O, Irga-Jaworska N, Bień E, Płonowski M, Bartnik M, Ociepa T, Pierlejewski F, Machnik K, Gamrot-Pyka Z, Badowska W, Brzeski T, Urbanek-Dądela A, Stolpa W, Mizia-Malarz A, Skowron-Kandzia K, Musiał J, Styczyński J. Varicella-zoster virus infection in the pediatric population with acute lymphoblastic leukemia in Poland. J Med Virol 2020; 92:3645-3649. [PMID: 32406935 DOI: 10.1002/jmv.26008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/20/2020] [Accepted: 05/11/2020] [Indexed: 11/10/2022]
Abstract
Varicella-zoster virus (VZV) infection in pediatric hemato-oncology patients can be a therapeutic problem when children are exposed to immunosuppression. The aim of this study is to evaluate the incidence of VZV infection, antiviral therapy and outcome in children with ALL treated in polish hemato-oncological centers between 2012 and 2019 years. This study included medical records of 1874 patients, aged 1 to 18 years, with newly diagnosed acute lymphoblastic leukemia. During chemotherapy, 406 children out of 1874 (21.6%) experienced viral infections. The incidence of VZV infection in the whole group children with ALL was 1.8%. Among them, 34 (8.4%) patients were diagnosed with VZV infection. Thirty-five episodes of viral infections were identified. The median time of VCV therapy was 12 days. Herpes zoster infection occurred in 24 (70.6%) children, and varicella in 10 (29.4%) ones. The average time from the start of chemotherapy to the appearance of herpes zoster was 7.26 ± 4.05 months. VZV infection occurred mainly during the maintenance therapy, the reinduction and induction phases. There was no correlation between steroid dosage or type and subsequent zoster. The total lymphocyte count of these patients on the first day of zoster was reduced. No serious complications were observed due to this infection. All patients survived. In conclusion, a low incidence of VZV infection was observed among pediatric patients with ALL in Poland. This analysis indicates that currently used therapeutic methods are effective in children with cancer and VZV infection. The main focus should be on the prevention of delayed chemotherapy.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland
| | - Monika Lejman
- Genetic Diagnostic Laboratory, Department of Pediatric Hematology, Oncology, and Transplantation, University Children's Hospital, Lublin, Poland
| | - Anna Szmydki-Baran
- Department of Pediatric Hematology and Oncology, Medical University, Warszawa, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | - Magdalena Dziedzic
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | - Patrycja Zalas-Więcek
- Department of Microbiology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | | | | | - Agnieszka Gietka
- Department of Oncology, Children's Memorial Health Institute, Warszawa, Poland
| | - Katarzyna Semczuk
- Department of Microbiology, Children's Memorial Health Institute, Warszawa, Poland
| | - Łukasz Hutnik
- Department of Pediatric Hematology and Oncology, Medical University, Warszawa, Poland
| | - Liliana Chełmecka-Wiktorczyk
- Department of Pediatric Oncology and Hematology, University Children's Hospital, Jagiellonian University Collegium Medicum, Kraków, Poland
| | - Iwona Żak
- Department of Microbiology, University Children's Hospital, Jagiellonian University Collegium Medicum, Kraków, Poland
| | - Jowita Frączkiewicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Małgorzata Salamonowicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Renata Tomaszewska
- Department of Pediatric Hematology and Oncology, Silesian Medical University, Zabrze, Poland
| | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology, and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdańsk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdańsk, Poland
| | - Marcin Płonowski
- Department of Pediatric Oncology and Hematology, Medical University, Białystok, Poland
| | - Magdalena Bartnik
- Department of Pediatric Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Ociepa
- Department of Pediatric Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Filip Pierlejewski
- Department of Pediatric Oncology, Hematology, and Diabetology, Medical University, Łódź, Poland
| | - Katarzyna Machnik
- Division of Pediatric Hematology and Oncology, Chorzow Pediatric and Oncology Center, Chorzów, Poland
| | - Zuzanna Gamrot-Pyka
- Division of Pediatric Hematology and Oncology, Chorzow Pediatric and Oncology Center, Chorzów, Poland
| | - Wanda Badowska
- Division of Pediatric Hematology and Oncology, Children Hospital, Olsztyn, Poland
| | - Tomasz Brzeski
- Division of Pediatric Hematology and Oncology, Children Hospital, Olsztyn, Poland
| | | | - Weronika Stolpa
- Division of Pediatric Oncology, Hematology, and Chemotherapy, Silesian Medical University, Katowice, Poland
| | - Agnieszka Mizia-Malarz
- Division of Pediatric Oncology, Hematology, and Chemotherapy, Silesian Medical University, Katowice, Poland
| | - Katarzyna Skowron-Kandzia
- Division of Pediatric Oncology, Hematology, and Chemotherapy, Silesian Medical University, Katowice, Poland
| | - Jakub Musiał
- Division of Pediatric Onoco-hematology, St. Queen Jadwiga's Regional Clinical Hospital No. 2, Rzeszów, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
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Abstract
INTRODUCTION Children with acute lymphoblastic leukemia (ALL) are at a risk of developing influenza-related complications. Approximately 10% of influenza-infected children with ALL or other types of cancer need intensive care, and 5% of them eventually die. PATIENTS' CONCERNS We report 2 children with ALL and the swine-origin influenza A virus infection. Diagnosing influenza in them was a challenge. Medical records of these children were reviewed for demographic, clinical, and laboratory data. Patients were hospitalized in the Department of Pediatric Hematology, Oncology, and Transplantology of the Medical University of Lublin, Poland. Case 1 involved a 2-year-old girl who, according to acute lymphoblastic leukemia intercontinental Berlin-Frankfürt-Münster protocol 2009, started chemotherapy in July 2015. She was categorized in the intermediate risk group and received the induction and consolidation phase of the therapy without severe complications. The reinduction therapy was administered in the outpatient department till the 15 day. On the 20 day of this phase, she was admitted to our department with fever, mucositis, tachypnea, abdominal pain, and diarrhea. In September 2009, a 14-year-old boy (case 2) who, according to acute lymphoblastic leukemia intercontinental Berlin-Frankfürt-Münster protocol 2002, was categorized in the high-risk (HR) group, received the induction (Protocol I) phase of therapy without severe complications. On the 7 day of the HR-1 course, he manifested fever and strong, tiring cough, followed by strong mucositis. Chemotherapy had to be interrupted in both children. DIAGNOSIS Respiratory viral infections, causing pneumonia, occurred in both patients during anticancer treatment. Initially, the real-time polymerase chain reaction test for the swine-origin influenza A was negative in both patients, which delayed the diagnosis. Additionally, bacterial, and fungal complications were also observed. INTERVENTIONS Both patients received oseltamivir twice a day, a broad-spectrum antibiotic, antifungal drug, and granulocyte colony growth factor. OUTCOMES The disease progressed quickly, and our patients subsequently died. CONCLUSION We speculated that early antiviral treatment can help in the better management of patients in the HR group. It is also important to minimize influenza morbidity and mortality by vaccinating family members, using empiric therapy, providing immediate antiviral therapy, and educating parents about hygiene measures.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University
| | - Monika Lejman
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University
- Laboratory of Genetic Diagnostics, Medical University of Lublin, Poland
| | - Katarzyna Drabko
- Department of Paediatric Haematology, Oncology, and Transplantology, Medical University
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Lejman M, Włodarczyk M, Styka B, Pastorczak A, Zawitkowska J, Taha J, Sędek Ł, Skonieczka K, Braun M, Haus O, Szczepański T, Młynarski W, Kowalczyk JR. Advantages and Limitations of SNP Array in the Molecular Characterization of Pediatric T-Cell Acute Lymphoblastic Leukemia. Front Oncol 2020; 10:1184. [PMID: 32766158 PMCID: PMC7379740 DOI: 10.3389/fonc.2020.01184] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 06/11/2020] [Indexed: 01/03/2023] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is a highly heterogeneous disease, and numerous genetic aberrations in the leukemic genome are responsible for the biological and clinical differences among particular ALL subtypes. However, there is limited knowledge regarding the association of whole-genome copy number abnormalities (CNAs) in childhood T-ALL with the course of leukemia and its outcome. The aim of this study was to identify the pattern of whole-genome CNAs in 86 newly diagnosed childhood T-ALL cases using a high-density single-nucleotide polymorphism array. We analyzed the presence of whole-genome CNAs with respect to immunophenotype, clinical features, and treatment outcomes. A total of 769 CNAs, including trisomies, duplications, deletions, and segmental loss of heterozygosity, were detected in 86 analyzed samples. Gain or loss of chromosomal regions exceeding 10 Mb occurred in 46 cases (53%), including six cases (7%) with complex chromosomal alterations. We observed that microdeletions in selected genes (e.g., FIP1L1 and PDGFRB) were related to the clinical features. Interestingly, 13% of samples have a duplication of the two loci (MYB and AIH1—6q23.3), which never occurred alone. Single-nucleotide polymorphism array significantly improved the molecular characterization of pediatric T-ALL. Further studies with larger cohorts of patients may contribute to the selection of prognostic CNAs in this group of patients.
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Affiliation(s)
- Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Monika Włodarczyk
- Laboratory of Genetic Diagnostics, University Children's Hospital, Lublin, Poland
| | - Borys Styka
- Laboratory of Genetic Diagnostics, University Children's Hospital, Lublin, Poland
| | - Agata Pastorczak
- Department of Pediatric, Oncology, Hematology and Diabetology, Medical University of Łódz, Łódź, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Joanna Taha
- Department of Pediatric, Oncology, Hematology and Diabetology, Medical University of Łódz, Łódź, Poland
| | - Łukasz Sędek
- Department of Microbiology and Oncology, Medical University of Silesia in Katowice, Katowice, Poland
| | - Katarzyna Skonieczka
- Department of Clinical Genetics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - Marcin Braun
- Department of Pathology, Chair of Oncology, Medical University of Łódz, Łódź, Poland
| | - Olga Haus
- Department of Clinical Genetics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - Tomasz Szczepański
- Department of Microbiology and Oncology, Medical University of Silesia in Katowice, Katowice, Poland
| | - Wojciech Młynarski
- Department of Pediatric, Oncology, Hematology and Diabetology, Medical University of Łódz, Łódź, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
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Zając-Spychała O, Zaucha-Prażmo A, Zawitkowska J, Wachowiak J, Kowalczyk JR, Frączkiewicz J, Salamonowicz M, Kałwak K, Gorczyńska E, Chybicka A, Czyżewski K, Dziedzic M, Wysocki M, Zalas-Więcek P, Goździk J, Styczyński J. Infectious complications after hematopoietic stem cell transplantation for primary immunodeficiency in children: A multicenter nationwide study. Pediatr Allergy Immunol 2020; 31:537-543. [PMID: 32150770 DOI: 10.1111/pai.13239] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/24/2020] [Accepted: 02/25/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE The aim of this nationwide study was to evaluate the characteristics of bacterial infections (BI), invasive fungal disease (IFD), and viral infections (VI) in pediatric patients with PID after allogeneic hematopoietic stem cell transplantation (allo-HSCT). PATIENTS AND METHODS In total, 114 HSCT recipients were enrolled into the study. At least one infectious complication (IC) was diagnosed in 60 (52.6%) patients aged 0.1-17.7 years, that is, 59.5% with SCID and 49.4% with non-SCID. RESULTS Among 60 HSCT recipients diagnosed with at least one IC, 188 episodes of infectious complications (EIC) were recorded, that is, 46.8% of BI, 41.5% of VI, and 11.7% of proven/probable IFD. According to PID and HSCT donor type, the incidence of EIC was comparable (P = .679). The localization of infections differed significantly due to PID type (P = .002). After each HSCT donor type, the most common site of infection was GI. Overall, BI caused by Gram-positive strains (59.1%) were prevalent, especially Staphylococcaceae. The multidrug-resistant (MDR) pathogens were diagnosed in 52.3%, especially ESBL + Enterobacteriaceae. The profile of VI was comparable for SCID and non-SCID patients (P = .839). The incidence of IFD was comparable for each PID and HSCT donor type. Survival after infection was 91.5% and was comparable for PID and HSCT donor type. CONCLUSIONS The rate of patients diagnosed with IC among pediatric PID-HSCT recipients did not depend on PID type, but rather on HSCT donor type. The localization of IC depended on PID and HSCT donor type. Within bacterial infections, predominated Gram-positive strains and the MDR pathogens were responsible for more than half of EIC.
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Affiliation(s)
- Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, University of Medical Sciences, Poznan, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical University, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical University, Lublin, Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, University of Medical Sciences, Poznan, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical University, Lublin, Poland
| | - Jowita Frączkiewicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Malgorzata Salamonowicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Krzysztof Kałwak
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Ewa Gorczyńska
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Alicja Chybicka
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Magdalena Dziedzic
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Mariusz Wysocki
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Patrycja Zalas-Więcek
- Department of Microbiology, Collegium Medicum, Nicolaus Copernicus University Torun, Bydgoszcz, Poland
| | - Jolanta Goździk
- Stem Cell Transplant Center, Department of Clinical Immunology and Transplantology, Jagiellonian University Collegium Medicum, University Children's Hospital, Krakow, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
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30
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Zając-Spychała O, Irga-Jaworska N, Drożyńska E, Muszyńska-Rosłan K, Krawczuk-Rybak M, Zawitkowska J, Kowalczyk J, Ćwiklińska M, Balwierz W, Mizia-Malarz A, Badowska W, Kamieńska E, Urasiński T, Kaczorowska A, Kazanowska B, Chybicka A, Wysocki M, Sędek Ł, Szczepański T, Woszczyk M, Matysiak M, Młynarski W, Karolczyk G, Chaber R, Wachowiak J. Mixed phenotype acute leukemia: Biological profile, clinical characteristic and treatment outcomes: Report of the population-based study. Eur J Haematol 2020; 105:85-93. [PMID: 32223036 DOI: 10.1111/ejh.13413] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The aim of this population-based, retrospective study was to analyze biological and clinical features and treatment results in children diagnosed with MPAL in all Polish pediatric oncology centers between 2007 and 2018. METHODS Among 2893 children and adolescents diagnosed and treated for acute leukemia, 39 (1.35%) patients fulfilled the WHO criteria of MPAL. The T/myeloid phenotype was most prevalent. RESULTS Cytogenetics findings were seen in 2 (5.1%), while chromosomal abnormalities were found in 14 (35.9%) patients. Thirty-two patients achieved CR-1, including 23 (92.0%) treated with ALL-directed chemotherapy and 9 (64.3%) treated with AML-type induction regimens. Within these patients, 4 (12.5%) died due to treatment-related complications and 11 (34.4%) relapsed. Nineteen (63.3%) patients underwent allo-HSCT in CR-1 and 14 (73.7%) of them have been in CR-1. In total, 17 (43.6%) patients remain in CR-1 for 1-12 years, including 14 (58.3%) with T/myeloid MPAL. The 5-year pOS and pEFS were 51.8% and 44.2%, respectively. The overall survival for ALL-directed therapy was significantly better than the one for AML-type chemotherapy (P = .001). It was also better for patients who underwent HSCT in CR-1 (P = .001). CONCLUSIONS The prognosis of MPAL is unsatisfactory, but initial treatment with ALL-directed chemotherapy consolidated with allo-HSCT improves the outcomes in MPAL.
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Affiliation(s)
- Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznan, Poland
| | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdansk, Poland
| | - Elżbieta Drożyńska
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdansk, Poland
| | | | - Maryna Krawczuk-Rybak
- Department of Pediatric Oncology and Hematology, Medical University, Bialystok, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical University, Lublin, Poland
| | - Jerzy Kowalczyk
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, Medical University, Lublin, Poland
| | - Magdalena Ćwiklińska
- Department of Pediatric Oncology and Hematology, University Children's Hospital, Jagiellonian University, Krakow, Poland
| | - Walentyna Balwierz
- Department of Pediatric Oncology and Hematology, University Children's Hospital, Jagiellonian University, Krakow, Poland
| | - Agnieszka Mizia-Malarz
- Division of Pediatric Oncology, Hematology and Chemotherapy, Department of Pediatric, Silesian Medical University, Katowice, Poland
| | - Wanda Badowska
- Division of Pediatric Hematology and Oncology, Children Hospital, Olsztyn, Poland
| | - Elżbieta Kamieńska
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Urasiński
- Department of Pediatrics, Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Aneta Kaczorowska
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Bernarda Kazanowska
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Alicja Chybicka
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wroclaw, Poland
| | - Mariusz Wysocki
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Torun, Bydgoszcz, Poland
| | - Łukasz Sędek
- Department of Pediatric Hematology and Oncology, Silesian Medical University, Zabrze, Poland
| | - Tomasz Szczepański
- Department of Pediatric Hematology and Oncology, Silesian Medical University, Zabrze, Poland
| | - Mariola Woszczyk
- Division of Pediatric Hematology and Oncology, Chorzow Pediatric and Oncology Center, Chorzow, Poland
| | - Michał Matysiak
- Department of Pediatric Hematology and Oncology, Medical University, Warszawa, Poland
| | - Wojciech Młynarski
- Department of Pediatric Oncology, Hematology and Diabetology, Medical University, Lodz, Poland
| | - Grażyna Karolczyk
- Division of Pediatric Hematology and Oncology, Children Hospital, Kielce, Poland
| | - Radosław Chaber
- Department of Pediatric Oncohematology, Children Hospital, Rzeszow, Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and Transplantology, Poznan University of Medical Sciences, Poznan, Poland
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Lejman M, Włodarczyk M, Zawitkowska J, Kowalczyk JR. Comprehensive chromosomal aberrations in a case of a patient with TCF3-HLF-positive BCP-ALL. BMC Med Genomics 2020; 13:58. [PMID: 32245383 PMCID: PMC7118981 DOI: 10.1186/s12920-020-0709-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 03/24/2020] [Indexed: 12/16/2022] Open
Abstract
Background The use of high-throughput analytical techniques has enabled the description of acute lymphoblastic leukaemia (ALL) subtypes. The TCF3-HLF translocation is a very rare rearrangement in ALL that is associated with an extremely poor prognosis. The TCF3-HLF fusion gene in the described case resulted in the fusion of the homeobox-related gene of TCF3 to the leucine zipper domain of HLF. The TCF3-HLF fusion gene product acts as a transcriptional factor leading to the dedifferentiation of mature B lymphocytes into an immature state (lymphoid stem cells). This process initiates the formation of pre-leukaemic cells. Due to the rarity of this chromosomal aberration, only a few cases have been described in the literature. The advantage of this work is the presentation of an interesting case of clonal evolution of cancer cells and the cumulative implications (diagnostic and prognostic) of the patient’s genetic alterations. Case presentation This work presents a patient with diagnosed with TCF3-HLF-positive ALL. Moreover, the additional genetic alterations, which play a key role in the pathogenesis of ALL, were detected in this patient: deletion of a fragment from the long arm of chromosome 13 (13q12.2-q21.1) containing the RB1 gene, intragenic deletions within the PAX5 gene and NOTCH1 intragenic duplication. Conclusions A patient with coexistence of chromosomal alterations and the TCF3-HLF fusion has not yet been described. Identifying all these chromosomal aberrations at the time of diagnosis could be sufficient to determine the cumulative effects of the described deletions on the activity of other oncogenes or tumour suppressors, as well as on the clinical course of the disease. On the other hand, complex changes in the patient’s karyotype and clonal evolution of cancer cells call into question the effectiveness of experimental therapy.
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Affiliation(s)
- Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, ul. Antoniego Gębali 6, Lublin, Poland.
| | - Monika Włodarczyk
- Laboratory of Genetic Diagnostics, Medical University of Lublin, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, Lublin, Poland
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Lejman M, Zawitkowska J, Zaucha-Prażmo A, Cienkusz M, Mroczkowska A, Kowalczyk J, Drabko K. Influence of Mixed Chimerism on Outcome in Children With Anaemia After Haematopoietic Stem Cell Transplantation. In Vivo 2020; 33:2051-2057. [PMID: 31662537 DOI: 10.21873/invivo.11703] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/13/2019] [Accepted: 09/04/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIM In patients with non-malignant diseases, mixed chimerism is not a rare phenomenon. The clinical impacts of chimerism following allogeneic haematopoietic stem cell transplantation (allo-HSCT) in children with congenital anaemia (CA) and severe aplastic anaemia (SAA) were analysed. PATIENTS AND METHODS We studied twenty-seven consecutive children with congenital and acquired anaemia who had undergone allogeneic haematopoietic stem cell transplantations. In the observed group of patients, the median of the follow-up was 6.12 years (2.00-14.8 years). RESULTS Overall survival (OS) did not depend on the type of disease p=0.1. OS did not significantly differ in patients who received more than 5x106/kg stem cells (91%) and those who received less than 5x106/kg (85%) (p=0.61). Two patterns of stable mixed chimerism (SMC) were observed: SMC (95-97% cells of the donor), and SMC with a fluctuation between 50-90% of the cells of the donor. None of the surviving patients received immunosuppression treatments of chronic Graft-versus-Host Disease (cGvHD). CONCLUSION Our results showed that mixed chimerism did not influence the survival of children with congenital and aplastic anaemia following allo-HSCT.
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Affiliation(s)
- Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Laboratory of Genetic Diagnostics, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Magdalena Cienkusz
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Aleksandra Mroczkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Jerzy Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
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Zawitkowska J, Lejman M, Drabko K, Zaucha-Prażmo A, Płonowski M, Bulsa J, Romiszewski M, Mizia-Malarz A, Kołtan A, Derwich K, Karolczyk G, Ociepa T, Ćwiklińska M, Trelińska J, Owoc-Lempach J, Niedźwiecki M, Kiermasz A, Kowalczyk J. First-line treatment failure in childhood acute lymphoblastic leukemia: The polish pediatric leukemia and lymphoma study group experience. Medicine (Baltimore) 2020; 99:e19241. [PMID: 32049864 PMCID: PMC7035074 DOI: 10.1097/md.0000000000019241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The aim of this study was to evaluate the risk factors of relapse and treatment-related deaths in acute lymphoblastic leukemia (ALL) in children residing in Poland.A total of 1872 patients with newly diagnosed ALL, treated according to the ALL IC-BFM 2002 protocol in 14 Polish pediatric hematology centers from 2002 to 2012 were included in the study. Three-hundred eighty-four patients experienced treatment failure. The last follow-up was 31 December, 2016.Univariate analysis identified factors in each risk group that were significantly different between children whose treatment failed and those who remained in the first remission. Multivariate analysis demonstrated that only the age of 10 years or over at primary diagnosis in the high-risk group was an adverse prognostic factor. To facilitate the analysis, patients were divided into three groups: relapsed children who survived; relapsed children who died; children without relapse who died due to toxicity.Our analysis showed that age older than 10 years is a particular risk factor for the failure of first-line of treatment, both in terms of relapse and treatment-related mortality.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin
- Department of Pediatric Hematology, Oncology and Transplantology, University Children's Hospital, Genetic Diagnostic Laboratory, Lublin
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin
| | - Marcin Płonowski
- Department of Pediatric Oncology, Hematology, Medical University of Białystok
| | - Joanna Bulsa
- Department of Pediatrics, Hematology and Oncology, Medical University of Zabrze
| | | | - Agnieszka Mizia-Malarz
- Department of Pediatric Oncology, Hematology and Chemotherapy, Medical University of Katowice
| | - Andrzej Kołtan
- Department of Pediatrics, Hematology and Oncology, Collegium Medicum of Bydgoszcz
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Medical University of Poznań
| | - Grażyna Karolczyk
- Department of Pediatric Oncology and Hematology, Children's Hospital, Kielce
| | - Tomasz Ociepa
- Department of Pediatrics, Hematology and Oncology, Medical University of Szczecin
| | - Magdalena Ćwiklińska
- Department of Pediatric Oncology and Hematology, Children's University Hospital, Kraków
| | - Joanna Trelińska
- Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Łódź
| | - Joanna Owoc-Lempach
- Department of Pediatric Transplantology, Oncology, Hematology, Medical University of Wrocław
| | - Maciej Niedźwiecki
- Department of Pediatrics, Hematology, Oncology and Endocrinology, Medical University of Gdańsk
| | - Aleksandra Kiermasz
- Department of Pediatric Hematology and Oncology, Center of Pediatrics and Oncology, Chorzów, Poland
| | - Jerzy Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin
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Zawitkowska J, Lejman M, Zaucha-Prażmo A, Drabko K, Płonowski M, Bulsa J, Romiszewski M, Mizia-Malarz A, Kołtan A, Derwich K, Karolczyk G, Ociepa T, Ćwiklińska M, Trelińska J, Owoc-Lempach J, Niedźwiecki M, Kiermasz A, Kowalczyk J. Grade 3 and 4 Toxicity Profiles During Therapy of Childhood Acute Lymphoblastic Leukemia. In Vivo 2019; 33:1333-1339. [PMID: 31280227 DOI: 10.21873/invivo.11608] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 04/12/2019] [Accepted: 04/15/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND/AIM The risk factors, clinical features and non-hematological toxicity profiles during chemotherapy in acute lymphoblastic leukemia (ALL) patients treated in pediatric hematology centres were analysed. MATERIALS AND METHODS A total of 902/1872 children were reported as having grade 3 or 4 toxicity. RESULTS Among the analysed toxicities, infection and gastrointestinal and liver toxicities were the most common. The median follow-up was 6.8 years. Overall survival and event-free survival rates for the analysed group were lower than those reported for the group without grade ≥3 toxicity. In univariate analysis, we identified the number of toxic episodes, the risk group and remission status that had a significant impact on the outcome. Multivariate analysis demonstrated the risk group and the number of toxic episodes ≥3 to be statistically significant for the results. CONCLUSION The toxic profiles investigated in our report should be used in future efforts to decrease the burden of side effects during chemotherapy.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantology, University Children's Hospital, Genetic Diagnostic Laboratory, Lublin, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
| | - Marcin Płonowski
- Department of Pediatric Oncology, Hematology, Medical University of Białystok, Białystok, Poland
| | - Joanna Bulsa
- Department of Pediatrics, Hematology and Oncology, Medical University of Zabrze, Zabrze, Poland
| | - Michał Romiszewski
- Department of Hematology and Pediatrics, Children's Hospital, Warsaw, Poland
| | - Agnieszka Mizia-Malarz
- Department of Pediatric Oncology, Hematology and Chemotherapy, Medical University of Katowice, Katowice, Poland
| | - Andrzej Kołtan
- Department of Pediatrics, Hematology and Oncology, Collegium Medicum of Bydgoszcz, Bydgoszcz, Poland
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and Transplantology, Medical University of Poznań, Poznań, Poland
| | - Grażyna Karolczyk
- Department of Pediatric Oncology and Hematology, Children's Hospital, Kielce, Poland
| | - Tomarz Ociepa
- Department of Pediatrics, Hematology and Oncology, Medical University of Szczecin, Szczecin, Poland
| | - Magdalena Ćwiklińska
- Department of Pediatric Oncology and Hematology, Children's University Hospital, Kraków, Poland
| | - Joanna Trelińska
- Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Łódź, Łódź, Poland
| | - Joanna Owoc-Lempach
- Department of Pediatric Transplantology, Oncology, Hematology, Medical University of Wrocław, Wrocław, Poland
| | - Maciej Niedźwiecki
- Department of Pediatrics, Hematology, Oncology and Endocrinology, Medical University of Gdańsk, Gdańsk, Poland
| | - Aleksandra Kiermasz
- Department of Pediatric Hematology and Oncology, Centre of Pediatrics and Oncology, Chorzów, Poland
| | - Jerzy Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Lublin, Poland
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Zaucha-Prażmo A, Zawitkowska J, Lejman M, Kowalczyk JR, Czyżewski K, Dziedzic M, Pieczonka A, Zając-Spychała O, Goździk J, Frączkiewicz J, Salamonowicz M, Gorczyńska E, Kałwak K, Wachowiak J, Styczyński J. Infection profile in children and adolescents with bone marrow failures treated with allogeneic hematopoietic stem cell transplantation. Pediatr Transplant 2019; 23:e13592. [PMID: 31587440 DOI: 10.1111/petr.13592] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 08/18/2019] [Accepted: 09/12/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND The objective of the study was to analyze the profile of infections in children with BMF following alloHCT. METHODS Data of 169 consecutive children with inherited and acquired BMF treated with alloHCT between 2012 and 2017 in Polish pediatric transplant departments were analyzed in registry-based retrospective study, with respect to the type of infection, and clinical outcome. RESULTS At least 1 infection was diagnosed in 107/169 patients (60.4%). In total, 182 infections were diagnosed. The most common were VI (96; 52.7%), followed by BI (71; 39.0%), and FI (15; 8.2%), P < .001. The most common etiological factors of VI were as follows: CMV (38.5%), EBV (22.9%), and BK virus (24%); while of BI were as follows: Staphylococcus spp. (17; 23.9%), Enterococcus faecium (10; 14.1%), and Klebsiella pneumoniae (9; 12.7%). No difference was found between the occurrence of infections with respect to donor type, graft source, and conditioning type. GvHD had no impact on the incidence of VI, BI, and FI. Fifteen FI were diagnosed in 12 patients, of which 14 FI were diagnosed in children transplanted for FA. Of total 107 children, 9 died (8.4%), of which 4 (3.7%) due to infections: bacterial sepsis (2) and invasive FI (2). CONCLUSION Infections in children with BMF following alloHCT remain an important cause of morbidity. Children with FA had high incidence of FI. In our analysis, aGvHD had no impact on the occurrence on infections, although the study was not strong enough to prove such a difference.
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Affiliation(s)
- Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children Hospital, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children Hospital, Lublin, Poland
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantology, Laboratory of Genetic Diagnostics, Medical University of Lublin, University Children Hospital, Lublin, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children Hospital, Lublin, Poland
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Magdalena Dziedzic
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Anna Pieczonka
- Department of Pediatric Oncology, Hematology and Transplantology, Medical University, Poznań, Poland
| | - Olga Zając-Spychała
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, Poznań, Poland
| | - Jolanta Goździk
- Department of Transplantation Children's University Hospital, Clinical Immunology and Transplantation Polish-American Institute of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Jowita Frączkiewicz
- Department of Pediatric Transplantology, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Małgorzata Salamonowicz
- Department of Pediatric Transplantology, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Ewa Gorczyńska
- Department of Pediatric Transplantology, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Krzysztof Kałwak
- Department of Pediatric Transplantology, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Jacek Wachowiak
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University, Poznań, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
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Lejman M, Zaucha-Prażmo A, Zawitkowska J, Mroczkowska A, Grabowski D, Kowalczyk JR, Drabko K. Impact of early chimerism status on clinical outcome in children with acute lymphoblastic leukaemia after haematopoietic stem cell transplantation. BMC Cancer 2019; 19:1141. [PMID: 31771553 PMCID: PMC6878687 DOI: 10.1186/s12885-019-6360-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Accepted: 11/12/2019] [Indexed: 12/26/2022] Open
Abstract
Background The significance of very early chimerism assessment before day + 28, which is considered the moment of engraftment, is still unclear. In this retrospective study, we evaluated the clinical impact of very early chimerism on the clinical outcome after allogeneic haematopoietic stem cell transplantation (allo-HSCT) in children with acute lymphoblastic leukaemia (ALL). Methods The study group included 38 boys and 18 girls. Very early chimerism was evaluated on days + 7, + 14, + 21 and + 28 after the transplant. Short tandem repeat polymerase chain reaction (STR PCR) was used to analyse chimerism. Results Overall survival (OS) and event-free survival (EFS) were 84 and 80%, respectively. The OS in the group of 24 patients with complete donor chimerism on day + 14 was 83%, and it did not differ statistically compared to the 32 patients with mixed chimerism on day + 14 (OS was 84%). In our cohort of patients, the matched unrelated donor, male gender of donor, number of transplanted cells above 4.47 × 106 kg and no serotherapy with anti-thymocyte globulin (ATG) were statistically related to a higher level of donor chimerism. The immunophenotypes of disease, age of patient at time HSCT, recipient sex, stem cell source (peripheral blood/bone marrow) and conditioning regimen had no impact on early chimerism. Acute graft versus host disease grades II-IV was diagnosed in 23 patients who presented with donor chimerism levels above 60% on day 7. Conclusions The data presented in this study provide valuable insight into the analysis of very early chimerism in children with ALL treated with HSCT.
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Affiliation(s)
- Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland.
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland
| | - Aleksandra Mroczkowska
- Laboratory of Genetic Diagnostics, Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland
| | - Dominik Grabowski
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology, and Transplantology, Medical University of Lublin, A. Gebali 6, 20-093, Lublin, Poland
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Kowalczyk JR, Zawitkowska J, Lejman M, Drabko K, Samardakiewicz M, Matysiak M, Romiszewski M, Balwierz W, Ćwiklińska M, Kazanowska B, Owoc‐Lempach J, Wachowiak J, Derwich K, Adamkiewicz‐Drożyńska E, Niedźwiecki M, Trelińska J, Młynarski W, Wysocki M, Kołtan A, Szczepański T, Krawczuk‐Rybak M, Kitszel A, Wieczorek M, Urasiński T, Ociepa T, Sobol‐Milejska G, Mizia‐Malarz A, Karolczyk G, Stary J. Long-term treatment results of Polish pediatric and adolescent patients enrolled in the ALL IC-BFM 2002 trial. Am J Hematol 2019; 94:E307-E310. [PMID: 31432528 PMCID: PMC6852109 DOI: 10.1002/ajh.25619] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/13/2019] [Accepted: 08/15/2019] [Indexed: 11/25/2022]
Affiliation(s)
- Jerzy R. Kowalczyk
- Department of Pediatric Hematology, Oncology and TransplantologyMedical University of Lublin Lublin Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and TransplantologyMedical University of Lublin Lublin Poland
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantology, Laboratory of Genetic DiagnosticsMedical University of Lublin Lublin Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and TransplantologyMedical University of Lublin Lublin Poland
| | - Marzena Samardakiewicz
- Department of Pediatric Hematology, Oncology and TransplantologyMedical University of Lublin Lublin Poland
- Department of Applied PsychologyMedical University of Lublin Lublin Poland
| | - Michał Matysiak
- Department of Hematology and PediatricsChildren's Hospital Warsaw Poland
| | - Michał Romiszewski
- Department of Hematology and PediatricsChildren's Hospital Warsaw Poland
| | - Walentyna Balwierz
- Department of Pediatric Oncology and HematologyChildren's University Hospital, Jagiellonian University Kraków Poland
| | - Magdalena Ćwiklińska
- Department of Pediatric Oncology and HematologyChildren's University Hospital, Jagiellonian University Kraków Poland
| | - Bernarda Kazanowska
- Department of Pediatric Transplantology, Oncology, HematologyMedical University of Wrocław Wrocław Poland
| | - Joanna Owoc‐Lempach
- Department of Pediatric Transplantology, Oncology, HematologyMedical University of Wrocław Wrocław Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology and TransplantologyMedical University of Poznań Poznań Poland
| | - Katarzyna Derwich
- Department of Pediatric Oncology, Hematology and TransplantologyMedical University of Poznań Poznań Poland
| | | | - Maciej Niedźwiecki
- Department of Pediatrics, Hematology, Oncology and EndocrinologyMedical University of Gdańsk Gdańsk Poland
| | - Joanna Trelińska
- Department of Pediatrics, Oncology, Hematology and DiabetologyMedical University of Łódź Łódź Poland
| | - Wojciech Młynarski
- Department of Pediatrics, Oncology, Hematology and DiabetologyMedical University of Łódź Łódź Poland
| | - Mariusz Wysocki
- Department of Pediatrics, Hematology and OncologyCollegium Medicum of Bydgoszcz Bydgoszcz Poland
| | - Andrzej Kołtan
- Department of Pediatrics, Hematology and OncologyCollegium Medicum of Bydgoszcz Bydgoszcz Poland
| | - Tomasz Szczepański
- Department of Pediatrics, Hematology and OncologyMedical University of Zabrze Zabrze Poland
| | - Maryna Krawczuk‐Rybak
- Department of Pediatric Oncology, HematologyMedical University of Białystok Białystok Poland
| | - Anna Kitszel
- Department of Pediatric Oncology, HematologyMedical University of Białystok Białystok Poland
| | - Maria Wieczorek
- Department of Pediatrics, Hematology and OncologyMedical University of Szczecin Szczecin Poland
| | - Tomasz Urasiński
- Department of Pediatrics, Hematology and OncologyMedical University of Szczecin Szczecin Poland
| | - Tomasz Ociepa
- Department of Pediatrics, Hematology and OncologyMedical University of Szczecin Szczecin Poland
| | - Grażyna Sobol‐Milejska
- Department of Pediatric Oncology, Hematology and ChemotherapyMedical University of Katowice Katowice Poland
| | - Agnieszka Mizia‐Malarz
- Department of Pediatric Oncology, Hematology and ChemotherapyMedical University of Katowice Katowice Poland
| | - Grażyna Karolczyk
- Department of Pediatric Oncology and HematologyChildren's Hospital Kielce Poland
| | - Jan Stary
- Department of Pediatric Hematology and OncologyCharles University and University Hospital Motol Prague Czech Republic
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Zawitkowska J, Lejman M, Zaucha-Prażmo A, Sekuła N, Greczkowska-Chmiel T, Drabko K. Severe drug-induced hypertriglyceridemia treated with plasmapheresis in children with acute lymphoblastic leukemia. Transfus Apher Sci 2019; 58:634-637. [PMID: 31515171 DOI: 10.1016/j.transci.2019.08.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 08/05/2019] [Accepted: 08/27/2019] [Indexed: 10/26/2022]
Abstract
Asparaginase (ASP) and steroids are a main part of treatment for ALL, in both front-line and relapse setting. It is known, that ASP can cause several toxicities such as hypersensitivity, pancreatitis, as well as severe lipid and coagulation disturbances. Administered steroids can result in diabetes, obesity, hyponatremia and also mild hyperlipemia, which can intensify side effects of asparaginase. When triglyceride elevation is greater than 1000 mg/dl, the risk of pancreatitis is significantly increased. We report two patients who were hospitalized in Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin in Poland and developed severe hypertriglyceridemia after receiving asparaginase and steroid therapy for acute lymphoblastic leukemia. These patients were treated using plasmapheresis. This procedure was performed with a venous catheter in the femoral vein and 5% albumin or fresh frozen plasma as the replacement fluid. We analysed the laboratory and clinical data of these children. Plasmapheresis was well tolerated in both cases and a decrease of hypertriglyceridemia was quickly observed. However, the girl developed pancreatitis. In our opinion, plasmapheresis appears to be safe and effective in reducing hypertriglyceridemia. We could recommend that this procedure should be performed early, as soon as the triglyceride level is above 1000 mg/dl, in order to prevent severe complications. Patients should continue chemotherapy without ASP. It is important to regularly monitor of the lipid profile, pancreatic enzymes and coagulation during ASP and steroids therapy.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland.
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantation, University Children's Hospital, Genetic Diagnostic Laboratory, Lublin, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland
| | - Natasza Sekuła
- Department of Pediatric Hematology, Oncology and Transplantation, University Children's Hospital, Lublin, Poland
| | - Teresa Greczkowska-Chmiel
- Department of Pediatric Hematology, Oncology and Transplantation, University Children's Hospital, Lublin, Poland; Department of Blood Treatment, University Children's Hospital, Lublin, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland
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Zaucha-Prażmo A, Sadurska E, Pieczonka A, Goździk J, Dębski R, Drabko K, Zawitkowska J, Lejman M, Wachowiak J, Styczyński J, Kowalczyk JR. Risk Factors for Transplant Outcomes in Children and Adolescents with Non-Malignant Diseases Following Allogeneic Hematopoietic Stem Cell Transplantation. Ann Transplant 2019; 24:374-382. [PMID: 31235684 PMCID: PMC6611216 DOI: 10.12659/aot.915330] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The objective of this study was the analysis of transplant outcomes and survival in children treated with allogeneic hematopoietic cell transplantation (alloHCT) for non-malignant disorders, with a focus on risk factor analysis of transplant-related mortality (TRM). MATERIAL AND METHODS The treatment outcome was analyzed retrospectively in 10 consecutive years in 4 pediatric transplant centers in Poland. To compare the outcomes, patient data were analyzed according to the diagnosis, age at transplant, donor type, stem cell source, conditioning regimens, transplanted CD34+ cells dose, and pediatric TRM score. RESULTS From 183 analyzed patients, 27 (14.8%) died, all of them due to transplant-related complications. TRM occurred more frequently in matched unrelated donor (MUD) transplant recipients vs. matched sibling donor (MSD) transplant recipients (p=0.02); in peripheral blood (PB) recipients vs. bone marrow (BM) recipients (p=0.004); and in patients receiving >5×10⁶/kg CD34+ cells (p<0.0001). OS differed significantly according to underlying disease comparing to other diagnoses. Lower survival was found in patients transplanted from MUD (p=0.02). OS was higher in patients receiving BM (p=0.001) and in those receiving ≤5×10⁶/kg CD34+ cells (p<0.001). Multivariate analysis showed lower probability of TRM in BM recipients (p=0.04). The probability of TRM was higher in SCID patients (p=0.02) and in patients receiving >5×10⁶/kg CD34+ cells (p=0.0001). CONCLUSIONS Underlying disease, stem cell source, and CD34+ dose higher than 5×10⁶/kg were the most important risk factors for TRM, and they all affected OS.
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Affiliation(s)
- Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children's Hospital, Lublin, Poland
| | - Elżbieta Sadurska
- Department of Pediatric Cardiology, Medical University of Lublin, University Children's Hospital, Lublin, Poland
| | - Anna Pieczonka
- Department of Pediatric Oncology, Hematology, and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Jolanta Goździk
- Department of Transplantation, Clinical Immunology and Transplantation Polish-American Institute of Pediatrics, Jagiellonian University Medical College, Children's University Hospital, Cracow, Poland
| | - Robert Dębski
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children's Hospital, Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children's Hospital, Lublin, Poland
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children's Hospital, Lublin, Poland
| | - Jacek Wachowiak
- Department of Pediatric Oncology, Hematology, and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, University Children's Hospital, Lublin, Poland
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Lejman M, Zawitkowska J, Styka B, Babicz M, Winnicka D, Zaucha-Prażmo A, Pastorczak A, Taha J, Młynarski W, Kowalczyk JR. Microarray testing as an efficient tool to redefine hyperdiploid paediatric B-cell precursor acute lymphoblastic leukaemia patients. Leuk Res 2019; 83:106163. [PMID: 31202078 DOI: 10.1016/j.leukres.2019.05.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/24/2019] [Accepted: 05/25/2019] [Indexed: 11/15/2022]
Abstract
The aim of our study was to characterize genetic alterations in a cohort of paediatric patients with B-cell progenitors (BCP-ALL) and a hyperdiploid karyotype. In our study, we analysed 55 childhood hyperdiploid BCP-ALL patients using single nucleotide polymorphism (SNP) microarray testing. The group consisted mostly of patients with the modal number of chromosomes between 54 and 58 (34 cases). Within this group, Trisomy 4 and Trisomy 10 (30 cases) were the most frequent cases. Additionally, a total of 93 structural abnormalities mainly affecting chromosomes 1, 6, 9, 12, and 17 as well as 68 copy number alterations (CNAs) were identified. The microarray testing revealed a loss of ETV6, IKZF1, CDKN2A/CDKN2B, PAX5, and RB1. Moreover, chromosomal abnormalities resulting in the loss of heterozygosity (LOH) were also observed. Currently, patients with hyperdiploidy constitute a genetically heterogeneous group, and therefore, it is insufficient to rely only on banding cytogenetic analysis for the identification of hyperdiploid karyotype. Microarray testing has been proven an effective and satisfactory tool for the analysis of molecular karyotypes and to redefine the prognostic criteria in hyperdiploid patients.
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Affiliation(s)
- Monika Lejman
- Laboratory of Genetic Diagnostics, Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Poland
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Poland
| | - Borys Styka
- Laboratory of Genetic Diagnostics, University Children's Hospital, Lublin, Poland
| | - Mariusz Babicz
- Laboratory of Genetic Diagnostics, University Children's Hospital, Lublin, Poland
| | - Dorota Winnicka
- Laboratory of Genetic Diagnostics, Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Poland
| | - Agata Pastorczak
- Department of Pediatric, Oncology, Hematology and Diabetology, Medical University of Łódź, Poland
| | - Joanna Taha
- Department of Pediatric, Oncology, Hematology and Diabetology, Medical University of Łódź, Poland
| | - Wojciech Młynarski
- Department of Pediatric, Oncology, Hematology and Diabetology, Medical University of Łódź, Poland
| | - Jerzy R Kowalczyk
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Poland
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Zawitkowska J, Drabko K, Szmydki-Baran A, Zaucha-Prażmo A, Lejman M, Czyżewski K, Zalas-Więcek P, Gryniewicz-Kwiatkowska O, Czajńska-Deptuła A, Kulicka E, Semczuk K, Hutnik Ł, Chełmecka-Wiktorczyk L, Klepacka J, Frączkiewicz J, Salamonowicz M, Tomaszewska R, Zając-Spychała O, Irga-Jaworska N, Bień E, Płonowski M, Bartnik M, Ociepa T, Pierlejewski F, Woszczyk M, Gamrot-Pyka Z, Małas Z, Urbanek-Dądela A, Stolpa W, Musiał J, Styczyński J. Infectious profile in children with ALL during chemotherapy: A report of study group for infections. J Infect Chemother 2019; 25:774-779. [PMID: 31101529 DOI: 10.1016/j.jiac.2019.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 03/20/2019] [Accepted: 04/06/2019] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The treatment-related mortality in currently published studies of acute lymphoblastic leukemia (ALL) in children is 2-4%, mainly due to infections. The aim of the study was to analyse the incidence, epidemiology, profile of infection and the death rate in children with ALL. PATIENTS AND METHODS The retrospective analysis included 1363 patients, aged 1-18 years, with newly diagnosed ALL, who were treated in 17 pediatric hematology centers between 2012 and 2017 in Poland. The patients received therapy according to the ALL IC-BFM 2002 and 2009 (International Berlin-Frankfurt-Munster Study Group) protocols. RESULTS In our study, 726 out of 1363 (53.2%) children were reported to have a microbiologically documented bacterial infection during chemotherapy. 1511 episodes of these infection were diagnosed. A total number of 251/1363 (18.4%) children experienced a viral infection. 304 episodes were documented by PCR test (polymerase chain reaction). A fungal infection was reported in 278 (20.4%) children, including 10.1% of probable, 6.0% of proven, 83% of possible diagnosis. A higher frequency of fungal infection was noted in the recent years. In our material, the rate of death was 2.4%, mainly due to fungal infection. CONCLUSIONS Our results present the epidemiology of infectious disease in the Polish ALL patient population. The most frequent were bacterial infections, followed by fungal and viral ones. Similar to the previously published data, the mortality rate in our material was 2.4%.
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Affiliation(s)
- Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland.
| | - Katarzyna Drabko
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland
| | - Anna Szmydki-Baran
- Department of Pediatric Hematology and Oncology, Medical University, Warszawa, Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Pediatric Hematology, Oncology and Transplantation, Medical University, Lublin, Poland
| | - Monika Lejman
- Department of Pediatric Hematology, Oncology and Transplantation, University Children's Hospital, Genetic Diagnostic Laboratory, Lublin, Poland
| | - Krzysztof Czyżewski
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | - Patrycja Zalas-Więcek
- Department of Microbiology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
| | | | | | - Elwira Kulicka
- Department of Oncology, Children's Memorial Health Institute, Warszawa, Poland
| | - Katarzyna Semczuk
- Department of Microbiology, Children's Memorial Health Institute, Warszawa, Poland
| | - Łukasz Hutnik
- Department of Pediatric Hematology and Oncology, Medical University, Warszawa, Poland
| | - Liliana Chełmecka-Wiktorczyk
- Department of Pediatric Oncology and Hematology, University Children's Hospital, Jagiellonian University Collegium Medicum, Kraków, Poland
| | - Joanna Klepacka
- Department of Microbiology, University Children's Hospital, Jagiellonian University Collegium Medicum, Kraków, Poland
| | - Jowita Frączkiewicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Małgorzata Salamonowicz
- Department of Pediatric Stem Cell Transplantation, Hematology and Oncology, Medical University, Wrocław, Poland
| | - Renata Tomaszewska
- Department of Pediatric Hematology and Oncology, Silesian Medical University, Zabrze, Poland
| | - Olga Zając-Spychała
- Department of Pediatric Oncology, Hematology and Transplantology, University of Medical Sciences, Poznań, Poland
| | - Ninela Irga-Jaworska
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdańsk, Poland
| | - Ewa Bień
- Department of Pediatrics, Hematology and Oncology, Medical University, Gdańsk, Poland
| | - Marcin Płonowski
- Department of Pediatric Oncology and Hematology, Medical University, Białystok, Poland
| | - Magdalena Bartnik
- Department of Pediatric Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Ociepa
- Department of Pediatric Hemato-Oncology and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Filip Pierlejewski
- Department of Pediatric Oncology, Hematology and Diabetology, Medical University, Łódź, Poland
| | - Mariola Woszczyk
- Division of Pediatric Hematology and Oncology, Chorzow Pediatric and Oncology Center, Chorzów, Poland
| | - Zuzanna Gamrot-Pyka
- Division of Pediatric Hematology and Oncology, Chorzow Pediatric and Oncology Center, Chorzów, Poland
| | - Zofia Małas
- Division of Pediatric Hematology and Oncology, Children Hospital, Olsztyn, Poland
| | | | - Weronika Stolpa
- Division of Pediatric Oncology, Hematology and Chemotherapy, Department of Pediatric, Silesian Medical University, Katowice, Poland
| | - Jakub Musiał
- Division of Pediatric Onoco-hematology, St. Queen Jadwiga's Regional Clinical Hospital No. 2, Rzeszów, Poland
| | - Jan Styczyński
- Department of Pediatric Hematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Toruń, Bydgoszcz, Poland
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Zawitkowska J, Lejman M, Zaucha-Prażmo A, Drabko K, Płonowski M, Bulsa J, Romiszewski M, Mizia-Malarz A, Kołtan A, Derwich K, Karolczyk G, Ociepa T, Ćwiklińska M, Trelińska J, Owoc-Lempach J, Niedźwiecki M, Kiermasz A, Kowalczyk J. Clinical characteristics and analysis of treatment result in children with Ph-positive acute lymphoblastic leukaemia in Poland between 2005 and 2017. Eur J Haematol 2018; 101:542-548. [DOI: 10.1111/ejh.13142] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 11/27/2022]
Affiliation(s)
- Joanna Zawitkowska
- Department of Paediatric Haematology, Oncology and Transplantology; Medical University of Lublin; Lublin Poland
| | - Monika Lejman
- Department of Paediatric Haematology, Oncology and Transplantology; Genetic Diagnostic Laboratory; University Children's Hospital; Lublin Poland
| | - Agnieszka Zaucha-Prażmo
- Department of Paediatric Haematology, Oncology and Transplantology; Medical University of Lublin; Lublin Poland
| | - Katarzyna Drabko
- Department of Paediatric Haematology, Oncology and Transplantology; Medical University of Lublin; Lublin Poland
| | - Marcin Płonowski
- Department of Paediatric Oncology, Haematology; Medical University of Białystok; Białystok Poland
| | - Joanna Bulsa
- Department of Paediatrics, Haematology and Oncology; Medical University of Zabrze; Zabrze Poland
| | - Michał Romiszewski
- Department of Haematology and Paediatrics; Children's Hospital; Warsaw Poland
| | - Agnieszka Mizia-Malarz
- Department of Paediatric Oncology, Haematology and Chemotherapy; Medical University of Katowice; Katowice Poland
| | - Andrzej Kołtan
- Department of Paediatrics, Haematology and Oncology; Collegium Medicum of Bydgoszcz; Bydgoszcz Poland
| | - Katarzyna Derwich
- Department of Paediatric Oncology, Haematology and Transplantology; Medical University of Poznań; Poznań Poland
| | - Grażyna Karolczyk
- Department of Paediatric Oncology and Haematology; Children's Hospital; Kielce Poland
| | - Tomasz Ociepa
- Department of Paediatrics, Haematology and Oncology; Medical University of Szczecin; Szczecin Poland
| | - Magdalena Ćwiklińska
- Department of Paediatric Oncology and Haematology; Children's University Hospital; Kraków Poland
| | - Joanna Trelińska
- Department of Paediatrics, Oncology, Haematology and Diabetology; Medical University of Łódź; Łódź Poland
| | - Joanna Owoc-Lempach
- Department of Paediatric Transplantology, Oncology, Haematology; Medical University of Wrocław; Wrocław Poland
| | - Maciej Niedźwiecki
- Department of Paediatrics, Haematology, Oncology and Endocrinology; Medical University of Gdańsk; Gdańsk Poland
| | - Aleksandra Kiermasz
- Department of Paediatric Haematology and Oncology; Center of Paediatrics and Oncology; Chorzów Poland
| | - Jerzy Kowalczyk
- Department of Paediatric Haematology, Oncology and Transplantology; Medical University of Lublin; Lublin Poland
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Zawitkowska J, Odój T, Drabko K, Zaucha-Prażmo A, Rudnicka J, Romiszewski M, Matysiak M, Kwiecińska K, Ćwiklińska M, Balwierz W, Owoc-Lempach J, Derwich K, Wachowiak J, Niedźwiecki M, Adamkiewicz-Drożyńska E, Trelińska J, Młynarski W, Kołtan A, Wysocki M, Tomaszewska R, Szczepański T, Płonowski M, Krawczuk-Rybak M, Ociepa T, Urasiński T, Mizia-Malarz A, Sobol-Milejska G, Karolczyk G, Kowalczyk J. Outcome of acute lymphoblastic leukemia in children with down syndrome-Polish pediatric leukemia and lymphoma study group report. Pediatr Hematol Oncol 2017; 34:199-205. [PMID: 29040012 DOI: 10.1080/08880018.2017.1363837] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Children with Down syndrome (DS) have a 20-fold increased risk of developing leukemia compared with the general population. The aim of the study was to analyze the outcome of patients diagnosed with Down syndrome and acute lymphoblastic leukemia (ALL) in Poland between the years 2003 and 2010. A total of 1848 children were diagnosed with ALL (810 females and 1038 males). Of those, 41 (2.2%) had DS. The children were classified into three risk groups: a standard-risk group-14 patients, an intermediate-risk group-24, a high-risk group-3. All patients were treated according to ALLIC 2002 protocol. The median observation time of all patients was 6.1 years, and in patients with DS 5.3 years. Five-year overall survival (OS) was the same in all patients (86% vs 86%, long-rank test, p = .9). The relapse-free survival (RFS) was calculated as 73% in patients with DS and 81% in patients without DS during a median observation time (long-rank test, p = .3). No statistically significant differences were found in the incidence of nonrelapse mortality between those two groups of patients (p = .72). The study was based on children with ALL and Down syndrome who were treated with an identical therapy schedule as ALL patients without DS, according to risk group. This fact can increase the value of the presented results.
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Affiliation(s)
- Joanna Zawitkowska
- a Department of Pediatric Hematology, Oncology and Transplantology , Medical University , Lublin , Poland
| | - Teresa Odój
- a Department of Pediatric Hematology, Oncology and Transplantology , Medical University , Lublin , Poland
| | - Katarzyna Drabko
- a Department of Pediatric Hematology, Oncology and Transplantology , Medical University , Lublin , Poland
| | - Agnieszka Zaucha-Prażmo
- a Department of Pediatric Hematology, Oncology and Transplantology , Medical University , Lublin , Poland
| | - Julia Rudnicka
- a Department of Pediatric Hematology, Oncology and Transplantology , Medical University , Lublin , Poland
| | - Michał Romiszewski
- b Department of Hematology and Pediatrics , Children's Hospital , Warsaw , Poland
| | - Michał Matysiak
- b Department of Hematology and Pediatrics , Children's Hospital , Warsaw , Poland
| | - Kinga Kwiecińska
- c Department of Pediatric Oncology and Hematology , Children's University Hospital , Kraków , Poland
| | - Magdalena Ćwiklińska
- c Department of Pediatric Oncology and Hematology , Children's University Hospital , Kraków , Poland
| | - Walentyna Balwierz
- c Department of Pediatric Oncology and Hematology , Children's University Hospital , Kraków , Poland
| | - Joanna Owoc-Lempach
- d Department of Pediatric Transplantology, Oncology, Hematology , Medical University , Wrocław , Poland
| | - Katarzyna Derwich
- e Department of Pediatric Oncology, Hematology and Transplantology , Medical University , Poznań , Poland
| | - Jacek Wachowiak
- e Department of Pediatric Oncology, Hematology and Transplantology , Medical University , Poznań , Poland
| | - Maciej Niedźwiecki
- f Department of Pediatrics, Hematology , Oncology and Endocrinology, Medical University , Gdańsk , Poland
| | | | - Joanna Trelińska
- g Department of Pediatrics, Oncology , Hematology and Diabetology, Medical University , Łódź , Poland
| | - Wojciech Młynarski
- g Department of Pediatrics, Oncology , Hematology and Diabetology, Medical University , Łódź , Poland
| | - Andrzej Kołtan
- h Department of Pediatrics , Hematology and Oncology, Collegium Medicum , Bydgoszcz , Poland
| | - Mariusz Wysocki
- h Department of Pediatrics , Hematology and Oncology, Collegium Medicum , Bydgoszcz , Poland
| | - Renata Tomaszewska
- i Department of Pediatrics , Hematology and Oncology, Medical University , Zabrze , Poland
| | - Tomasz Szczepański
- i Department of Pediatrics , Hematology and Oncology, Medical University , Zabrze , Poland
| | - Marcin Płonowski
- j Department of Pediatric Oncology , Hematology, Medical University , Białystok , Poland
| | - Maryna Krawczuk-Rybak
- j Department of Pediatric Oncology , Hematology, Medical University , Białystok , Poland
| | - Tomasz Ociepa
- k Department of Pediatrics , Hematology and Oncology, Medical University , Szczecin , Poland
| | - Tomasz Urasiński
- k Department of Pediatrics , Hematology and Oncology, Medical University , Szczecin , Poland
| | - Agnieszka Mizia-Malarz
- l Department of Pediatric Oncology , Hematology and Chemotherapy, Medical University , Katowice , Poland
| | - Grażyna Sobol-Milejska
- l Department of Pediatric Oncology , Hematology and Chemotherapy, Medical University , Katowice , Poland
| | - Grażyna Karolczyk
- m Department of Pediatric Oncology and Hematology , Children's Hospital , Kielce , Poland
| | - Jerzy Kowalczyk
- a Department of Pediatric Hematology, Oncology and Transplantology , Medical University , Lublin , Poland
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Pastorczak A, Stolarska M, Trelińska J, Zawitkowska J, Kowalczyk J, Mlynarski W. Nijmegen breakage syndrome (NBS) as a risk factor for CNS involvement in childhood acute lymphoblastic leukemia. Pediatr Blood Cancer 2011; 57:160-2. [PMID: 21557461 DOI: 10.1002/pbc.23073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Accepted: 01/13/2011] [Indexed: 11/07/2022]
Abstract
Central nervous system (CNS) involvement is an independent risk factor for poor event-free survival and relapse confined to the CNS. Knock-out mice deprived of RAG2, the protein involved in DNA repair, developed leukemic infiltration within leptomeninges. Therefore, we hypothesized that DNA repair deficiencies in humans, such as Nijmegen breakage syndrome (NBS), may constitute a risk factor for CNS dissemination of acute lymphoblastic leukemia (ALL). Having analyzed the incidence of CNS2/CNS3 status at diagnosis of ALL in two independent cohorts from the Polish Pediatric Leukemia/Lymphoma Study Group, we noticed that among children with NBS CNS involvement was significantly frequent.
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Affiliation(s)
- Agata Pastorczak
- Department of Pediatrics, Oncology, Hematology and Diabetology, Medical University of Lodz, Lodz, Poland.
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