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Tolani D, Wilcox J, Shyam S, Bansal N. Cardio-oncology for Pediatric and Adolescent/Young Adult Patients. Curr Treat Options Oncol 2023:10.1007/s11864-023-01100-4. [PMID: 37296365 DOI: 10.1007/s11864-023-01100-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2023] [Indexed: 06/12/2023]
Abstract
OPINION STATEMENT As chemotherapy continues to improve the lives of patients with cancer, understanding the effects of these drugs on other organ systems, and the cardiovascular system in particular, has become increasingly important. The effects of chemotherapy on the cardiovascular system are a major determinant of morbidity and mortality in these survivors. Although echocardiography continues to be the most widely used modality for assessing cardiotoxicity, newer imaging modalities and biomarker concentrations may detect subclinical cardiotoxicity earlier. Dexrazoxane continues to be the most effective therapy for preventing anthracycline-induced cardiomyopathy. Neurohormonal modulating drugs have not prevented cardiotoxicity, so their widespread, long-term use for all patients is currently not recommended. Advanced cardiac therapies, including heart transplant, have been successful in cancer survivors with end-stage HF and should be considered for these patients. Research on new targets, especially genetic associations, may produce treatments that help reduce cardiovascular morbidity and mortality.
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Affiliation(s)
- Drishti Tolani
- Division of Pediatric Cardiology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Julia Wilcox
- Albert Einstein College of Medicine, Bronx, NY, USA
| | - Sharvari Shyam
- Division of Pediatrics, St. Barnabas Hospital, Bronx, NY, USA
| | - Neha Bansal
- Division of Pediatric Cardiology, Mount Sinai Kravis Children's Hospital, New York, NY, USA.
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Essa H, Wright DJ, Dobson R, Lip GYH. Chemotherapy-Induced Arrhythmia - Underrecognized and Undertreated. Am J Med 2021; 134:1224-1231.e1. [PMID: 34216562 DOI: 10.1016/j.amjmed.2021.05.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 10/21/2022]
Abstract
Cancer is one of the leading causes of death worldwide. Chemotherapy-induced arrhythmia is a potential complication of treatment that confers increased morbidity and mortality. The relationship between chemotherapeutic agents and arrhythmias is poorly established. Atrial fibrillation, ventricular ectopic beats, and prolonged QTc are the most common arrhythmias suffered by cancer patients undergoing chemotherapy. The treatment of atrial fibrillation in cancer is complicated by complex drug-drug interactions and a lack of evidence guiding practice. Furthermore, the normal risk assessment scores utilized in the decision-making for anticoagulation in the normal population are not validated in the cancer population. Multiple agents are implicated in prolonging the QTc, and this can often have adverse consequences for both the patient and the treatment of their cancer. This can manifest as torsades de pointes and sudden cardiac death. It is advised that, during treatment, oncologists should have close liaison with cardio-oncologists to ensure optimum patient management.
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Affiliation(s)
- Hani Essa
- Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool Heart & Chest Hospital, UK.
| | - David J Wright
- Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool Heart & Chest Hospital, UK
| | - Rebecca Dobson
- Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool Heart & Chest Hospital, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool Heart & Chest Hospital, UK; Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Denmark
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3
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ECG Markers of Cardiovascular Toxicity in Adult and Pediatric Cancer Treatment. DISEASE MARKERS 2021; 2021:6653971. [PMID: 33532005 PMCID: PMC7837776 DOI: 10.1155/2021/6653971] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/20/2020] [Accepted: 01/07/2021] [Indexed: 12/22/2022]
Abstract
When a cardiologist is asked to evaluate the cardiac toxic effects of chemotherapy, he/she can use several tools: ECG, echocardiography, coronary angiography, ventriculography, and cardiac MRI. Of all these, the fastest and easiest to use is the ECG, which can provide information on the occurrence of cardiac toxic effects and can show early signs of subclinical cardiac damage. These warning signs are the most desired to be recognized by the cardiologist, because the dose of chemotherapeutics can be adjusted so that the clinical side effects do not occur, or the therapy can be stopped in time, before irreversible side effects. This review addresses the problem of early detection of cardiotoxicity in adult and pediatric cancer treatment, by using simple ECG recordings.
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Buza V, Rajagopalan B, Curtis AB. Cancer Treatment–Induced Arrhythmias. Circ Arrhythm Electrophysiol 2017; 10:CIRCEP.117.005443. [DOI: 10.1161/circep.117.005443] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 07/07/2017] [Indexed: 01/23/2023]
Affiliation(s)
- Vitaly Buza
- From the Department of Medicine, University at Buffalo, NY
| | | | - Anne B. Curtis
- From the Department of Medicine, University at Buffalo, NY
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6
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Amsacrine-induced apoptosis of human leukemia U937 cells is mediated by the inhibition of AKT- and ERK-induced stabilization of MCL1. Apoptosis 2016; 22:406-420. [DOI: 10.1007/s10495-016-1307-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Jarfelt M, Andersen NH, Hasle H. Is it possible to cure childhood acute myeloid leukaemia without significant cardiotoxicity? Br J Haematol 2016; 175:577-587. [PMID: 27739070 DOI: 10.1111/bjh.14374] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Since cardiotoxicity is a life threatening late effect, a reduction of cardiotoxicity in the treatment of acute myeloid leukaemia (AML) is essential. This review is a compilation of the current knowledge about cardiotoxicity after AML treatment and of how future directions in treatment may affect its incidence. A total of six studies concerning AML and cardiotoxicity were identified. The incidence of late subclinical cardiotoxicity varied between 1·3 and 15·3%, and late clinical cardiotoxicity varied between 1·3 and 9·3%. Cumulative dose of anthracyclines (ACs) and history of relapse were the most common risk factors identified. No conclusions could be drawn about new, potentially less toxic ACs. Differences in treatment data and variations in study populations made comparisons uncertain. The echocardiographic techniques used in the majority of the studies are inferior to more modern echocardiographic methods. This decreases reproducibility and may increase the risk of overestimation of cardiotoxicity. In summary, AML cannot be cured today without ACs. However, some ACs may cause less cardiotoxicity than others. Furthermore there is currently no consensus on equipotent doses of ACs and risk factors for cardiotoxicity. Further research including randomized trials is needed to evaluate whether or not the potentially less cardiotoxic agents fulfil their promise.
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Affiliation(s)
- Marianne Jarfelt
- Department of Paediatric Oncology and Haematology, The Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Niels H Andersen
- Department of Cardiology, Aarhus University Hospital, Skejby, Denmark
| | - Henrik Hasle
- Department of Paediatrics, Aarhus University Hospital, Skejby, Denmark
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Durivage HJ, Burnham NL. Prevention and Management of Toxicities Associated With Antineoplastic Drugs. J Pharm Pract 2016. [DOI: 10.1177/089719009100400105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Henry J. Durivage
- Section of Medical Oncology, NSB-294, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06510
| | - Nora L. Burnham
- Section of Medical Oncology, NSB-294, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06510
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Saini L, Brandwein J, Turner R, Larratt L, Hamilton M, Peters A, Wu C, Zhu N, Patterson JM, Bolster L, Mant M, Ritchie B, Liew E, Ghosh S, Sandhu I. The fludarabine, cytarabine, and granulocyte colony-stimulating factor (FLAG) chemotherapy regimen is an alternative to anthracycline-based therapy for the treatment of acute myeloid leukemia for patients with pre-existing cardiac disease. Eur J Haematol 2016; 97:471-478. [PMID: 27028202 DOI: 10.1111/ejh.12757] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2016] [Indexed: 11/29/2022]
Abstract
We conducted a retrospective study assessing FLAG (fludarabine, cytarabine, and granulocyte colony-stimulating factor) as first-line treatment in 56 newly diagnosed acute myeloid leukemia patients considered ineligible for anthracycline-based treatment due to advanced age, significant comorbidities, or pre-existing cardiac disease. The median age was 69 (21-80); 46% received FLAG for pre-existing cardiac disease and others due to age (32%), non-cardiac comorbidities (20%), or previous anthracycline exposure (2%). The induction mortality was 16% and, among evaluable patients, 48% achieved a complete remission after the first induction course with an additional patient achieving a remission after a second course for a total complete remission rate of 50%. Four patients proceeded to an allogeneic stem cell transplant including two with pre-existing cardiac disease. Among non-transplanted patients, the relapse rate (RR) was 47%. When censored at time of stem cell transplant, the median relapse-free survival was 14.7 months. The median overall survival was 9.3 months with 1- and 2-yr survivals of 44% and 22%, respectively. There was no difference in clinical outcomes between patients treated with FLAG for cardiac reasons vs. other reasons. In conclusion, FLAG is a useful alternative to anthracycline-based induction for Acute myeloid leukemia in those with significant comorbidities including pre-existing cardiac disease.
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Affiliation(s)
- Lalit Saini
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada.
| | - Joseph Brandwein
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Robert Turner
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Loree Larratt
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Marlene Hamilton
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Anthea Peters
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Cynthia Wu
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Nancy Zhu
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Jeffery M Patterson
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Lauren Bolster
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Michael Mant
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Bruce Ritchie
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Elena Liew
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Sunita Ghosh
- Department of Medical Oncology, University of Alberta, Edmonton, AB, Canada
| | - Irwindeep Sandhu
- Division of Hematology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
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Afzal A, Zhong Y, Sarfraz M, Peng Y, Sheng L, Wu Z, Sun J, Wang G. Identification and characterization of in vivo metabolites of asulacrine using advanced mass spectrophotometry technique in combination with improved data mining strategy. J Chromatogr A 2016; 1444:74-85. [DOI: 10.1016/j.chroma.2016.03.068] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 11/16/2022]
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Lipshultz SE, Adams MJ, Colan SD, Constine LS, Herman EH, Hsu DT, Hudson MM, Kremer LC, Landy DC, Miller TL, Oeffinger KC, Rosenthal DN, Sable CA, Sallan SE, Singh GK, Steinberger J, Cochran TR, Wilkinson JD. Long-term cardiovascular toxicity in children, adolescents, and young adults who receive cancer therapy: pathophysiology, course, monitoring, management, prevention, and research directions: a scientific statement from the American Heart Association. Circulation 2013; 128:1927-95. [PMID: 24081971 DOI: 10.1161/cir.0b013e3182a88099] [Citation(s) in RCA: 360] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Orgel E, Zung L, Ji L, Finklestein J, Feusner J, Freyer DR. Early cardiac outcomes following contemporary treatment for childhood acute myeloid leukemia: a North American perspective. Pediatr Blood Cancer 2013; 60:1528-33. [PMID: 23441080 DOI: 10.1002/pbc.24498] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 01/17/2013] [Indexed: 11/08/2022]
Abstract
BACKGROUND Anthracycline agents are used for treatment of acute myeloid leukemia (AML) but may cause late-onset cardiomyopathy. Current frontline therapy for AML in North America, as reflected in the approach of the Children's Oncology Group (COG) and other pediatric consortia, is adapted from the anthracyline-intensive Medical Research Council (MRC) regimen. The purpose of this study was to describe early post-treatment cardiac function as a potential indicator of acute and long-term risk associated with this approach. PROCEDURE A multi-center retrospective cohort analysis was conducted of AML survivors diagnosed from 2004 to 2009 and treated with MRC-based regimens. Change in left ventricular shortening fraction (LVSF) on echocardiogram was determined from baseline to latest post-treatment/pre-relapse value; associations with potential predictors were examined. RESULTS This cohort of pediatric survivors (n = 52) was assessed at a median interval of 13 months from end of treatment. Mean cumulative anthracycline dose was 339 ± 14 mg/m(2) . Mean baseline and post-treatment LVSF were 39.3 ± 0.8% and 35.4 ± 0.9%, respectively; mean percent change for individuals was -8.4 ± 2.8% (P < 0.001). Cardiac-directed medications were initiated in four patients (7.7%). Decline in LVSF was significantly associated with cumulative anthracycline dose, increasing BMI and Hispanic ethnicity. CONCLUSION Early, significant decline in LVSF was observed following treatment with these MRC-based regimens. Elevated BMI and Hispanic ethnicity were identified as new independent risk factors. Children and adolescents so treated are at substantial risk for late-onset cardiomyopathy, require monitoring with annual echocardiogram per current COG survivorship guidelines, and are good candidates for appropriate cardioprotection strategies.
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Affiliation(s)
- Etan Orgel
- Jonathan Jaques Children's Cancer Center, Miller Children's Hospital, Long Beach, California, USA
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Abstract
INTRODUCTION Atrial fibrillation (AF) is the most common arrhythmia and an important cause of hospitalization, morbidity, and mortality. A myriad of drugs can induce AF. However, drug-induced AF (DIAF) receives little attention. Thus, this review is an attempt to attract the attention on this adverse effect. AREAS COVERED Published reports of drug-induced AF (DIAF) are reviewed in this paper, from January 1974 to December 2011, using the PubMed/Medline database and lateral references. EXPERT OPINION In most cases, DIAF is paroxysmal and terminates spontaneously, but sometimes AF persists and it is necessary to perform a cardioversion to restore sinus rhythm and avoid progression to persistent AF. Because of the short duration of DIAF, in addition to physicians/patients not being knowledgeable about this side effect, the real incidence and clinical consequences of DIAF are presently unknown. DIAF is an increasing problem, as some widely prescribed drugs can present this adverse effect. The risk is expected to increase in the elderly and in patients with comorbidities. It is important that physicians understand the significance of DIAF, to increase the collaboration between cardiac and non-cardiac professionals, and to educate patients to make them aware of this adverse side effect.
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Affiliation(s)
- Juan Tamargo
- Department of Pharmacology, School of Medicine, Universidad Complutense, 28040 Madrid, Spain.
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Monsuez JJ, Charniot JC, Vignat N, Artigou JY. Cardiac side-effects of cancer chemotherapy. Int J Cardiol 2010; 144:3-15. [PMID: 20399520 DOI: 10.1016/j.ijcard.2010.03.003] [Citation(s) in RCA: 278] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Revised: 02/27/2010] [Accepted: 03/06/2010] [Indexed: 12/21/2022]
Abstract
The spectrum of cardiac side-effects of cancer chemotherapy has expanded with the development of combination, adjuvant and targeted chemotherapies. Their administration in multiple regimens has increased greatly, including in older patients and in patients with cardiovascular and/or coronary artery disease (CAD). Cardiac toxicity of anthracyclines involves oxidative stress and apoptosis. Early detection combines 2D-echocardiography and/or radionuclide angiography and recent methods such as tissue Doppler imaging, strain rate echocardiography and sampling of serial troponin and/or NT-proBNP levels. Dexrazoxane has proven effective in the prevention of dose-related toxicity in children and adults. High doses of the alkylating drugs cyclophosphamide and ifosfamide may result in a reversible heart failure and in life-threatening arrhythmias. Myocardial ischemia induced by the antimetabolites 5-fluorouracil and capecitabine impacts prognosis of patients with prior CAD. Severe arrhythmias may complicate administration of microtubule inhibitors. Targeted therapies with the antibody-based tyrosine kinases (TK) inhibitors trastuzumab and, to a lesser extent, alemtuzumab induce heart failure or asymptomatic LV dysfunction in 1-4% and 10%, respectively. Cetuximab and rituximab induce hypotension, whereas bevacizumab may promote severe hypertension and venous thromboembolism. Small molecule TK inhibitors may also elicit LV dysfunction, in only few patients treated with imatinib mesylate, but in a substantially higher proportion of those receiving the multitargeted TK inhibitor sunitinib or the recently approved drugs erlotinib, lapatinib and dasatinib. Management of patients at increased cardiovascular risk associated with advancing age, previous CAD or targeted therapies may be optimized by referral to a cardiologist in a cross-specialty teamwork.
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Affiliation(s)
- Jean-Jacques Monsuez
- AP-HP, Hôpital René Muret, Cardiologie, Policlinique médicale, Université Paris-13, Faculté de Médecine de Bobigny, 93270 Sevran, France.
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Guglin M, Aljayeh M, Saiyad S, Ali R, Curtis AB. Introducing a new entity: chemotherapy-induced arrhythmia. Europace 2009; 11:1579-86. [DOI: 10.1093/europace/eup300] [Citation(s) in RCA: 138] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Absalon MJ, Smith FO. Treatment strategies for pediatric acute myeloid leukemia. Expert Opin Pharmacother 2009; 10:57-79. [PMID: 19236182 DOI: 10.1517/14656560802627929] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Therapeutic strategies utilized in recently completed Phase III clinical trials in children with de novo acute myeloid leukemia have led to long-term disease-free survival in 50 - 60% of children. This review describes the contributions from early intensification of therapy and postremission intensification using highly myelosuppressive chemotherapy strategies and discusses the controversial roles of allogeneic bone marrow transplantation, maintenance therapy and CNS irradiation. Current strategies focusing on the identification of critical biologic features and measurements of early response to therapy allow for greatly improved risk group stratification. Future improvements in the treatment of children with acute myeloid leukemia will depend on a better understanding of the biology of the disease, targeted therapeutic approaches directed to specific biologic targets, selective use of allogeneic transplantation and innovative clinical trial designs that will allow for the testing of an increasing number of new agents in increasingly small numbers of patients in defined risk groups.
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Affiliation(s)
- Michael J Absalon
- University of Cincinnati College of Medicine, Cincinnati Children's Hospital Medical Center, Division of Hematology/Oncology, Cincinnati, OH, USA.
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Filippatos TD, Milionis HJ, Elisaf MS. Alterations in electrolyte equilibrium in patients with acute leukemia. Eur J Haematol 2005; 75:449-60. [PMID: 16313256 DOI: 10.1111/j.1600-0609.2005.00547.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND AND AIM A wide array of disturbances in electrolyte equilibrium is commonly seen in patients with acute leukemia (AL). These abnormalities present a potential hazard in these patients, as that of enhancing the cardiotoxic effects of certain chemotherapeutic regimens. The literature dealing with AL-related electrolyte abnormalities and their interactions in leukemic patients was reviewed. DATA SYNTHESIS Sources included MEDLINE and EMBASE. The search strategy was based on the combination of 'acute leukemia', 'electrolyte abnormalities', 'acid-base disorders', 'potassium', 'sodium', 'magnesium', 'calcium', and 'phosphorus'. References of retrieved articles were also screened. A decrease in serum potassium, mainly owing to lysozyme-induced tubular damage, appears to be one of the most frequent and potentially hazardous abnormalities. Other clinically significant metabolic perturbations include hyponatremia and hypercalcemia. CONCLUSION A broad spectrum of electrolyte abnormalities is encountered in the clinical setting of AL, which are related to the disease process per se and/or to the therapeutic interventions. Clinicians should be vigilant for early detection and appropriate management of these disorders before the initiation of chemotherapy regimens as well as during treatment.
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Affiliation(s)
- Theodosios D Filippatos
- Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece
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Simbre VC, Duffy SA, Dadlani GH, Miller TL, Lipshultz SE. Cardiotoxicity of cancer chemotherapy: implications for children. Paediatr Drugs 2005; 7:187-202. [PMID: 15977964 DOI: 10.2165/00148581-200507030-00005] [Citation(s) in RCA: 129] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Many children and adolescents with cancer receive chemotherapeutic agents that are cardiotoxic. Thus, while survival rates in this population have improved for some cancers, many survivors may experience acute or chronic cardiovascular complications that can impair their quality of life years after treatment. In addition, cardiac complications of treatment lead to reductions in dose and duration of chemotherapy regimens, potentially compromising clinical efficacy. Anthracyclines are well known for their cardiotoxicity, and alkylating agents, such as cyclophosphamide, ifosfamide, cisplatin, busulfan, and mitomycin, have also been associated with cardiotoxicity. Other agents with cardiac effects include vinca alkaloids, fluorouracil, cytarabine, amsacrine, and asparaginase and the newer agents, paclitaxel, trastuzumab, etoposide, and teniposide. The heart is relatively vulnerable to oxidative injuries from oxygen radicals generated by chemotherapy. The cardiac effects of these drugs include asymptomatic electrocardiographic abnormalities, blood pressure changes, arrhythmias, myocarditis, pericarditis, cardiac tamponade, acute myocardial infarction, cardiac failure, shock, and long-term cardiomyopathy. These effects may occur during or immediately after treatment or may not be apparent until months or years after treatment. Mild myocardiocyte injury from chemotherapy may be of more concern in children than in adults because of the need for subsequent cardiac growth to match somatic growth and because survival is longer in children. Primary prevention is therefore important. Patients should be educated about the cardiotoxic risks of treatment and the need for long-term cardiac monitoring before chemotherapy is begun. Cardiotoxicity may be prevented by screening for risk factors, monitoring for signs and symptoms during chemotherapy, and continuing follow-up that may include electrocardiographic and echocardiographic studies, angiography, and measurements of biochemical markers of myocardial injury. Secondary prevention should aim to minimize progression of left ventricular dysfunction to overt heart failure. Approaches include altering the dose, schedule, or approach to drug delivery; using analogs or new formulations with fewer or milder cardiotoxic effects; using cardioprotectants and agents that reduce oxidative stress during chemotherapy; correcting for metabolic derangements caused by chemotherapy that can potentiate the cardiotoxic effects of the drug; and cardiac monitoring during and after cancer therapy. Avoiding additional cardiotoxic regimens is also important in managing these patients. Treating the adverse cardiac effects of chemotherapy will usually be dependent on symptoms or will depend on the anticipated cardiovascular effects of each regimen. Treatments include diuresis, afterload reduction, beta-adrenoceptor antagonists, and improving myocardial contractility.
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Affiliation(s)
- Valeriano C Simbre
- Division of Pediatric Cardiology, University of Rochester Medical Center and Golisano Children's Hospital at Strong, Rochester, New York, USA
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Sung WJ, Kim DH, Sohn SK, Kim JG, Baek JH, Jeon SB, Moon JH, Ahn BM, Lee KB. Phase II Trial of Amsacrine Plus Intermediate-dose Ara-C (IDAC) with or without Etoposide as Salvage Therapy for Refractory or Relapsed Acute Leukemia. Jpn J Clin Oncol 2005; 35:612-6. [PMID: 16172175 DOI: 10.1093/jjco/hyi149] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE The current trial attempted to evaluate the efficacy and toxicity of a salvage therapy consisting of amsacrine plus intermediate-dose Ara-C (IDAC) with or without etoposide for acute leukemia patients in refractory or relapsed states. METHODS A total of 51 patients with refractory or relapsed acute leukemia were included in the current trial. Twenty-nine patients with acute myeloid leukemia (AML) received a salvage therapy of amsacrine plus IDAC and etoposide, while 22 patients with acute lymphoblastic leukemia (ALL) received amsacrine plus IDAC. RESULTS The overall complete remission rate was 55% (45% for AML, 68% for ALL) and the median duration of overall survival was 144 days (95% confidence interval = 101-186 days). Grade 3, 4 infectious toxicities were observed in 43 patients (87%), while treatment-related toxicity, excluding infectious causes, included heart failure from myocarditis (n = 1) and central nervous system toxicity (n = 1). CONCLUSION A salvage therapy consisting of amsacrine plus IDAC with or without etoposide appears to be safe and an effective bridge therapy into a stem cell transplantation programme for patients with refractory or relapsed acute leukemia.
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Affiliation(s)
- Woo Jin Sung
- Department of Hematology/Oncology, Kyungpook National University Hospital, Jung-gu, Daegu 700-721, Korea
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Thomas D, Hammerling BC, Wu K, Wimmer AB, Ficker EK, Kirsch GE, Kochan MC, Wible BA, Scholz EP, Zitron E, Kathöfer S, Kreye VAW, Katus HA, Schoels W, Karle CA, Kiehn J. Inhibition of cardiac HERG currents by the DNA topoisomerase II inhibitor amsacrine: mode of action. Br J Pharmacol 2004; 142:485-94. [PMID: 15148258 PMCID: PMC1574964 DOI: 10.1038/sj.bjp.0705795] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
1 The topoisomerase II inhibitor amsacrine is used in the treatment of acute myelogenous leukemia. Although most anticancer drugs are believed not to cause acquired long QT syndrome (LQTS), concerns have been raised by reports of QT interval prolongation, ventricular fibrillation and death associated with amsacrine treatment. Since blockade of cardiac human ether-a-go-go-related gene (HERG) potassium currents is an important cause of acquired LQTS, we investigated the acute effects of amsacrine on cloned HERG channels to determine the electrophysiological basis for its proarrhythmic potential. 2 HERG channels were heterologously expressed in human HEK 293 cells and Xenopus laevis oocytes, and the respective potassium currents were recorded using patch-clamp and two-microelectrode voltage-clamp electrophysiology. 3 Amsacrine blocked HERG currents in HEK 293 cells and Xenopus oocytes in a concentration-dependent manner, with IC50 values of 209.4 nm and 2.0 microm, respectively. 4 HERG channels were primarily blocked in the open and inactivated states, and no additional voltage dependence was observed. Amsacrine caused a negative shift in the voltage dependence of both activation (-7.6 mV) and inactivation (-7.6 mV). HERG current block by amsacrine was not frequency dependent. 5 The S6 domain mutations Y652A and F656A attenuated (Y652A) or abolished (F656A, Y652A/F656A) HERG current blockade, indicating that amsacrine binding requires a common drug receptor within the pore-S6 region. 6 In conclusion, these data demonstrate that the anticancer drug amsacrine is an antagonist of cloned HERG potassium channels, providing a molecular mechanism for the previously reported QTc interval prolongation during clinical administration of amsacrine.
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Affiliation(s)
- Dierk Thomas
- Department of Cardiology, Medical University Hospital Heidelberg, Germany.
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21
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Libersa C, Gautier S, Said NA, Ferez L, Caron J. Insuffisances cardiaques d’origine médicamenteuse (en dehors des anthracyclines). Therapie 2004; 59:127-42. [PMID: 15199679 DOI: 10.2515/therapie:2004024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The principal drugs implicated in or disclosing cardiac insufficiency are drawn from a review of the literature and observations by the French national pharmacovigilance database, from 1984 to April 2003. Several pharmacological classes are identified: in addition to antimitotic drugs, such as anthracyclines, many drugs are implicated in cardiac insufficiency, e.g. immunomodulators, anti-inflammatory drugs (including coxibs), antiarrhythmic drugs, anaesthetic drugs, antipsychotic drugs, and antidiabetic drugs (including glitazones). It is usual to classify these drugs according to three categories: (i) drugs likely to cause cardiac insufficiency de novo (such as cyclophosphamide, paclitaxel, mitoxantrone, interferons, interleukin-2 etc.); (ii) drugs likely to worsen preexisting cardiac insufficiency (such as antiarrhythmics, beta-blockers, calcium antagonists, nonsteroidal and steroidal anti-inflammatory drugs, sympathomimetic drugs etc.); and (iii) drugs only occasionally causing cardiac insufficiency. This review shows that this classification is, in fact, artificial. If cardiac toxicity is a constant concern when using antimitotic drugs or some immunomodulator drugs, it is advisable to exercise caution in the use of many other drugs when treating patients with cardiac insufficiency, even if the clinical situation is well controlled. In particular, drug-drug interactions and patient medical history must be taken into account.
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22
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Abstract
Cytostatic antibiotics of the anthracycline class are the best known of the chemotherapeutic agents that cause cardiotoxicity. Alkylating agents such as cyclophosphamide, ifosfamide, cisplatin, carmustine, busulfan, chlormethine and mitomycin have also been associated with cardiotoxicity. Other agents that may induce a cardiac event include paclitaxel, etoposide, teniposide, the vinca alkaloids, fluorouracil, cytarabine, amsacrine, cladribine, asparaginase, tretinoin and pentostatin. Cardiotoxicity is rare with some agents, but may occur in >20% of patients treated with doxorubicin, daunorubicin or fluorouracil. Cardiac events may include mild blood pressure changes, thrombosis, electrocardiographic changes, arrhythmias, myocarditis, pericarditis, myocardial infarction, cardiomyopathy, cardiac failure (left ventricular failure) and congestive heart failure. These may occur during or shortly after treatment, within days or weeks after treatment, or may not be apparent until months, and sometimes years, after completion of chemotherapy. A number of risk factors may predispose a patient to cardiotoxicity. These are: cumulative dose (anthracyclines, mitomycin); total dose administered during a day or a course (cyclophosphamide, ifosfamide, carmustine, fluorouracil, cytarabine); rate of administration (anthracyclines, fluorouracil); schedule of administration (anthracyclines); mediastinal radiation; age; female gender; concurrent administration of cardiotoxic agents; prior anthracycline chemotherapy; history of or pre-existing cardiovascular disorders; and electrolyte imbalances such as hypokalaemia and hypomagnesaemia. The potential for cardiotoxicity should be recognised before therapy is initiated. Patients should be screened for risk factors, and an attempt to modify them should be made. Monitoring for cardiac events and their treatment will usually depend on the signs and symptoms anticipated and exhibited. Patients may be asymptomatic, with the only manifestation being electrocardiographic changes. Continuous cardiac monitoring, baseline and regular electrocardiographic and echocardiographic studies, radionuclide angiography and measurement of serum electrolytes and cardiac enzymes may be considered in patients with risk factors or those with a history of cardiotoxicity. Treatment of most cardiac events induced by chemotherapy is symptomatic. Agents that can be used prophylactically are few, although dexrazoxane, a cardioprotective agent specific for anthracycline chemotherapy, has been approved by the US Food and Drug Administration. Cardiotoxicity can be prevented by screening and modifying risk factors, aggressively monitoring for signs and symptoms as chemotherapy is administered, and continuing follow-up after completion of a course or the entire treatment. Prompt measures such as discontinuation or modification of chemotherapy or use of appropriate drug therapy should be initiated on the basis of changes in monitoring parameters before the patient exhibits signs and symptoms of cardiotoxicity.
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Affiliation(s)
- V B Pai
- Ohio State University, Children's Hospital, Columbus 43210, USA
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23
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Abstract
Disturbances of acid-base balance and electrolyte abnormalities are commonly seen in patients with acute leukemia. Our study aimed at illuminating the probable pathogenetic mechanisms responsible for these disturbances in patients with acute leukemia admitted to our hospital. We studied 66 patients (24 men and 44 women) aged between 17 and 87 years old on their admission and prior to any therapeutic intervention. Patients with diabetes mellitus, acute or chronic renal failure, hepatic failure, patients receiving drugs that influence acid-base status and electrolyte parameters during the last month, such as corticosteroids, cisplatin, diuretics, antacids, aminoglycosides, amphotericin, penicillin, and K(+), PO(4)(3-), or Mg(2+) supplements were excluded. Forty-one patients had at least one acid-base or electrolyte disturbance. There were no significant differences in the incidence of acid-base balance and electrolyte abnormalities between patients with acute myeloid leukemia (AML) and patients with acute lymphoblastic leukemia (ALL). The most frequent electrolyte abnormality was hypokalemia, observed in 41 patients (63%), namely in 34 patients with AML, and 7 with ALL; the main underlying pathophysiologic mechanism was inappropriate kaliuresis. Furthermore, hypokalemic patients more frequently experienced concurrent electrolyte disturbances (i.e., hyponatremia, hypocalcemia, hypophosphatemia, and hypomagnesemia), as well as various acid-base abnormalities compared to normokalemic patients. Hypokalemia in patients with acute leukemia may serve as an indicator of multiple concurrent, interrelated electrolyte disturbances, especially in patients with AML.
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Affiliation(s)
- H J Milionis
- Department of Internal Medicine, Medical School, University of Ioannina, Greece
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24
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Affiliation(s)
- K A Tolba
- Division of Hematology-Oncology, University of Rochester, New York, USA
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25
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Giantris A, Abdurrahman L, Hinkle A, Asselin B, Lipshultz SE. Anthracycline-induced cardiotoxicity in children and young adults. Crit Rev Oncol Hematol 1998; 27:53-68. [PMID: 9548017 DOI: 10.1016/s1040-8428(97)10007-5] [Citation(s) in RCA: 159] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- A Giantris
- Department of Pediatrics, Children's Hospital at Strong, University of Rochester Medical Center, NY 14642, USA
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26
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Tassinari D, Sartori S, Drudi G, Panzini I, Gianni L, Pasquini E, Abbasciano V, Ravaioli A, Iorio D. Cardiac arrhythmias after cisplatin infusion: three case reports and a review of the literature. Ann Oncol 1997; 8:1263-7. [PMID: 9496393 DOI: 10.1023/a:1008231521553] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- D Tassinari
- III Department of Internal Medicine, City Hospital, Rimini, Italy
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27
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Krischer J, Cuthbertson D, Epstein S, Goorin A, Epstein M, Lipshultz S. Risk factors for early anthracycline clinical cardiotoxicity in children: the pediatric oncology group experience. PROGRESS IN PEDIATRIC CARDIOLOGY 1997. [DOI: 10.1016/s1058-9813(98)00005-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Abstract
Because anticancer drugs are cytotoxic for normal as well as neoplastic cells, the range of unwanted effects that accompanies their use is broad. Many of the side effects are potentially life-threatening or seriously debilitating. Many are similar to, and readily confused with, direct or indirect (paraneoplastic) consequences of the cancer itself. Recognition of drug side effects is vital for optimal patient care, because early withdrawal of the offending agent and institution of appropriate treatment have the potential to significantly reduce the overall morbidity and mortality associated with the diagnosis of cancer.
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Affiliation(s)
- R M Lowenthal
- Royal Hobart Hospital, Faculty of Medicine and Pharmacy, University of Tasmania, Australia
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29
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McCoy-Adabody AM, Borger DL. Selected critical care complications of cancer therapy. AACN CLINICAL ISSUES 1996; 7:26-36. [PMID: 8697113 DOI: 10.1097/00044067-199602000-00003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In this article of critical care complications of radiation therapy, chemotherapy, and biological therapy, the authors focus on the pathophysiology of the toxicities, causative agents, and patient presentation. They provide an overview of the types of toxicities that advances practice and expert critical care nurses may encounter in the care of the critically ill patient who has received cancer therapy. The purpose of providing this information is to increase the awareness of potential causes for admission to the intensive care unit and to described the toxic effects that have an impact on the critical care nursing the patient receives. The nursing management of these problems follows the standard guidelines for patients with any of the particular organ system dysfunctions.
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30
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Watson AM, Seymour J, Lee N, Whiteside M, Firkin F. An effective age-unrestricted m-AMSA-based second-line regimen for poor prognosis acute myeloid leukaemia. Eur J Haematol Suppl 1994; 52:80-6. [PMID: 8119387 DOI: 10.1111/j.1600-0609.1994.tb01290.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The efficacy and toxicity of a regimen consisting of amsacrine (m-AMSA), cytarabine, and thioguanine for remission-induction therapy in poor prognosis categories of acute myeloid leukaemia (AML) were determined in a single arm study of 46 patients. The study group consisted of 17 patients with disease refractory to daunorubicin plus cytarabine-based induction regimens, 22 patients with disease which had relapsed during daunorubicin plus cytarabine maintenance therapy, or following completion of this maintenance programme after receiving > or = 500 mg daunorubicin/m2, and 7 previously untreated patients where cardiac disease contraindicated anthracycline therapy. Complete remission (CR) was attained in 46%, and probability of survival was comparable to published results for first-line treatment with daunorubicin plus cytarabine regimens. There was no statistically significant difference in CR rate or probability of survival between these three categories of poor prognosis AML, and cardiotoxic complications were uncommon despite extensive anthracycline exposure in the majority. In the 43% of patients who were 60-76 years of age, there was no statistically significant difference in CR rate or probability of survival relative to patients < 60 years. This observation fails to support the view that less myelotoxic regimens with lesser efficacy should be the basic approach to treatment of AML in patients > or = 60 years of age.
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Affiliation(s)
- A M Watson
- Clinical Haematology Department, St. Vincent's Hospital, Fitzroy, Victoria, Australia
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31
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Abstract
Serious cardiac arrhythmias and QT interval prolongation have been reported following Amsacrine chemotherapy. The underlying mechanism is unknown. In this study, electrolyte and electrocardiographic parameters were prospectively studied in patients with acute myeloid leukemia (AML) treated with an Amsacrine containing combination chemotherapy regime. Data were collected immediately before and at 20 (+20) and 90 (+90) min after commencement of Amsacrine administration. Sixteen episodes were studied in six consecutive patients over a continuous 9 month period. One patient developed asymptomatic ventricular tachycardia during administration. Results from +20 and +90 min were compared with baseline by Wilcoxon matched pairs test. There was no significant change in potassium, albumin, or ionized calcium concentration at +20 or +90 min. The magnesium concentration at +20 min was significantly reduced (mean -0.04 mmol/liter; P < 0.05) but not so at +90 min. Sodium concentration at +20 min was significantly reduced (mean - 1.9 mmol/liter; P < 0.01). Electrocardiographic analysis showed no significant alteration in PR interval or QRS duration. Heart rate fell significantly from baseline, mean change -10 and -8 min-1 at +20 and +90 min, respectively (P < 0.01 for both). Corrected QT interval (QTc) was significantly prolonged at +20 min (+0.05) and +90 min (+0.05) (P = 0.0001 and P < 0.0001, respectively). This study confirms the high incidence of QTc prolongation with Amsacrine administration and suggests that transient hypomagnesemia may contribute to the risk of cardiac arrhythmia in this setting.
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Affiliation(s)
- J F Seymour
- Clinical Haematology Department, St. Vincent's Hospital, Fitzroy, Australia
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32
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Maschmeyer G, Willborn K, Heit W. AMSA combination chemotherapy in patients with acute myelogenous leukemia unsuitable for standard antileukemic treatment. Leuk Lymphoma 1992; 8:365-9. [PMID: 1290961 DOI: 10.3109/10428199209051016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Forty-eight patients with acute myelogenous leukemia (AML) not eligible for anthracycline or mitoxantrone treatment, mostly due to cardiac contraindications, were given aggressive therapy using m-amsacrine (AMSA) in combination with conventional or high-dose cytarabine for remission induction. Twenty-nine patients (60.4%) responded to treatment, and complete remission was attained in 19 (39.6%), partial remission in 4 (8.3%) and death in bone marrow aplasia without detectable blasts in 6 patients (12.5%). Median time to granulocyte recovery was 32 days, median duration of relapse-free survival 199 days. One patient experienced a serious cardiac adverse event; nausea and vomiting were observed in 73%, diarrhea in 44%, and hepatoxicity in 29% of patients. All potentially AMSA-related side effects were fully reversible, and a lethal complication did not occur. It is concluded that combination chemotherapy with AMSA and Ara-C is also effective and tolerable in leukemic patients in whom cardiotoxic drugs are contraindicated.
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Affiliation(s)
- G Maschmeyer
- Department of Internal Medicine, Hematology and Oncology, Evangelisches Krankenhaus Essen-Werden, Germany
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33
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Abstract
Numerous clinical trials in adult patients with newly diagnosed acute myelogenous leukemia indicate that the survival rate is approximately 20%. A limited number of favorable prognostic features have been identified; patients who present with specific cytogenetic abnormalities such as t(15;17), t(8;21) and inv (16) tend to have survival rates approaching 40%. However, such patients constitute only a small proportion of the total denominator and it has therefore been a major focus of scientific endeavor to develop new drugs for the treatment of this disease. A wide variety of agents have undergone preliminary testing in this regard and include both natural substances such as homoherringtonine, a drug that has demonstrated modest complete remission rates in this disease and all-trans retinoic acid, a compound that has revolutionized the treatment of acute promyelocytic leukemia. This review will put in perspective some of the newer drugs for the treatment of acute myelogenous leukemia and allow for some conclusions to be drawn as to their impact in the treatment of this disease.
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Affiliation(s)
- E Berman
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York 10021
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34
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Harvey VJ, Hardy JR, Smith S, Grove W, Baguley BC. Phase II study of the amsacrine analogue CI-921 (NSC 343499) in non-small cell lung cancer. Eur J Cancer 1991; 27:1617-20. [PMID: 1664218 DOI: 10.1016/0277-5379(91)90427-f] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
CI-921 (NSC 343499; 9-[[2-methoxy-4-[(methylsulphonyl)amino]phenyl]amino] -N,5-dimethyl- 4-acridinecarboxamide) is a topoisomerase II poison with high experimental antitumour activity. It was administered by 15 min infusion to 16 evaluable patients with non-small cell lung cancer (NSCLC) (7 with no prior treatment, 9 patients in relapse following surgery/radiotherapy) at a dose (648 mg/m2 divided over 3 days, repeated every 3 weeks) determined by phase I trial. Patients had a median performance status of 1 (WHO), and median age of 61 years. The histology comprised squamous carcinoma (11), adenocarcinoma (1), mixed histology (2), bronchio-alveolar carcinoma (1) and large cell undifferentiated carcinoma (1). Neutropenia grade greater than or equal to 3 was seen in 15 patients, infections with recovery in 3, and grand mal seizures in 1 patient. Grade less than or equal to 2 nausea and vomiting occurred in 66% courses and phlebitis in the infusion arm in 37%. 1 patient with squamous cell carcinoma achieved a partial response lasting 5 months. Further testing in this and other tumour types using multiple daily schedules is warranted.
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Affiliation(s)
- V J Harvey
- Department of Clinical Oncology, Auckland Hospital, New Zealand
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35
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Davis LE. Long-Term Complications of Antineoplastic Agents. J Pharm Pract 1991. [DOI: 10.1177/089719009100400208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Lisa E. Davis
- Department of Pharmacy Practice and Pharmacy Administration, Philadelphia College of Pharmacy & Science, Woodland Ave and 43rd St, Philadelphia, PA 19104
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36
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Abstract
Amsacrine is an active antileukemic agent known to induce cardiac arrhythmias, although the incidence of these cardiac events is low. Rhythm abnormalities associated with amsacrine use include the development of fatal tachyarrhythmias, but this risk can be minimized by ensuring a normal serum potassium level prior to drug administration. Even though amsacrine has been given safely to patients with pre-existing supraventricular arrhythmias, its safety in patients with ventricular ectopy has not been addressed. We describe two patients who underwent treatment with amsacrine without developing life-threatening dysrhythmias and show that ventricular ectopy does not contraindicate therapy with this agent.
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Affiliation(s)
- C A Puccio
- Division of Neoplastic Diseases, New York Medical College, Valhalla 10595
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37
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Liang R, Chan TK, Todd D. Chemotherapy for relapsed and resistant acute nonlymphoblastic leukemia. Effect of ATA, an amsacrine-containing regime. Cancer Chemother Pharmacol 1988; 21:68-70. [PMID: 3342467 DOI: 10.1007/bf00262743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Twenty-nine evaluable patients with acute nonlymphoblastic leukemia (ANLL), either in relapse or resistant to initial induction therapy (ara C, daunorubicin + etoposide), received the ATA regime consisting of 100 mg/m2 per day Ara C by i.v. infusion for 4-5 days, 100 mg/m2 per day thioguanine orally for 4-5 days, and 100 mg/m2 per day amsacrine i.v. for 2-5 days. Each patient received 1-6 courses (median, 2) of the regime. There were 7 (24%) complete responders, and their duration of responses were 2, 2, 2, 5, 9+, 19, and 24+ months. The complete remission (CR) rate of patients who had a previous CR beyond 6 months (6/13, 46%) was significantly better (X2 = 4.25, p less than 0.05) than that of those who had previously relapsed within 6 months or were refractory to primary induction chemotherapy (1/16, 6%). The two groups of patients had similar patterns of treatment failure. Myelosuppression was the major toxic side effect, and nonhematological toxicities were mild and acceptable.
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Affiliation(s)
- R Liang
- Department of Medicine, University of Hong Kong, Queen Mary Hospital
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