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Yonezawa H, Narita Y, Nagane M, Mishima K, Terui Y, Arakawa Y, Asai K, Fukuhara N, Sugiyama K, Shinojima N, Aoi A, Nishikawa R. Three-year follow-up analysis of phase 1/2 study on tirabrutinib in patients with relapsed or refractory primary central nervous system lymphoma. Neurooncol Adv 2024; 6:vdae037. [PMID: 38690230 PMCID: PMC11059299 DOI: 10.1093/noajnl/vdae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024] Open
Abstract
Background The ONO-4059-02 phase 1/2 study showed favorable efficacy and acceptable safety profile of tirabrutinib, a second-generation Bruton's tyrosine kinase inhibitor, for relapsed/refractory primary central nervous system lymphoma (PCNSL). Here, we report the long-term efficacy and safety after a 3-year follow-up. Methods Eligible patients were aged ≥ 20 years with histologically diagnosed PCNSL and KPS of ≥ 70. Patients received oral tirabrutinib once daily at 320 or 480 mg, or 480 mg under fasted conditions. Results Between October 19, 2017, and June 13, 2019, 44 patients were enrolled: 33 and 9 had relapsed and refractory, respectively. The 320, 480, and 480 mg fasted groups included 20, 7, and 17 patients, respectively. The median follow-up was 37.1 months. The overall response rate was 63.6% (95% CI: 47.8-77.6) with complete response (CR), unconfirmed CR, and partial response in 9, 7, and 12 patients, respectively. The median duration of response (DOR) was 9.2 months, with a DOR rate of 19.8%; the median progression-free survival (PFS) and median overall survival (OS) were 2.9 months and not reached, respectively, with PFS and OS rates of 13.9% and 56.7%, respectively. Adverse events occurred in 38 patients (86.4%): grade ≥ 3 in 23 (52.3%) including 1 patient with grade 5 events. KPS and quality of life (QoL) scores were well maintained among patients receiving long-term treatment. Conclusions The results demonstrated the long-term clinical benefit of tirabrutinib, with deep and durable response in a subset of patients and acceptable safety profile, while KPS and QoL scores were maintained.
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Affiliation(s)
- Hajime Yonezawa
- Department of Neurosurgery, Kagoshima University Hospital, Kagoshima, Kagoshima, Japan
| | - Yoshitaka Narita
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Motoo Nagane
- Department of Neurosurgery, Kyorin University Faculty of Medicine, Mitaka, Tokyo, Japan
| | - Kazuhiko Mishima
- Department of Neuro-Oncology/Neurosurgery, Saitama Medical University International Medical Center, Hidaka, Saitama, Japan
| | - Yasuhito Terui
- Department of Hematology Oncology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yoshiki Arakawa
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Kyoto, Japan
| | - Katsunori Asai
- Department of Neurosurgery, Osaka International Cancer Institute, Osaka, Osaka, Japan
| | - Noriko Fukuhara
- Department of Hematology, Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Kazuhiko Sugiyama
- Department of Clinical Oncology & Neuro-oncology Program, Hiroshima University Hospital, Hiroshima, Hiroshima, Japan
| | - Naoki Shinojima
- Department of Neurosurgery, Kumamoto University Hospital, Kumamoto, Kumamoto, Japan
| | - Arata Aoi
- Department of Clinical Development, Ono Pharmaceutical Co., Ltd., Osaka, Osaka, Japan
| | - Ryo Nishikawa
- Department of Neuro-Oncology/Neurosurgery, Saitama Medical University International Medical Center, Hidaka, Saitama, Japan
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2
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Zhang Q, Wen C, Zhao L, Wang Y. A Comprehensive Review of Small-Molecule Inhibitors Targeting Bruton Tyrosine Kinase: Synthetic Approaches and Clinical Applications. Molecules 2023; 28:8037. [PMID: 38138527 PMCID: PMC10746017 DOI: 10.3390/molecules28248037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Bruton tyrosine kinase (BTK) is an essential enzyme in the signaling pathway of the B-cell receptor (BCR) and is vital for the growth and activation of B-cells. Dysfunction of BTK has been linked to different types of B-cell cancers, autoimmune conditions, and inflammatory ailments. Therefore, focusing on BTK has become a hopeful approach in the field of therapeutics. Small-molecule inhibitors of BTK have been developed to selectively inhibit its activity and disrupt B-cell signaling pathways. These inhibitors bind to the active site of BTK and prevent its phosphorylation, leading to the inhibition of downstream signaling cascades. Regulatory authorities have granted approval to treat B-cell malignancies, such as chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL), with multiple small-molecule BTK inhibitors. This review offers a comprehensive analysis of the synthesis and clinical application of conventional small-molecule BTK inhibitors at various clinical stages, as well as presents promising prospects for the advancement of new small-molecule BTK inhibitors.
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Affiliation(s)
- Qi Zhang
- Nanyang Central Hospital, Nanyang 473000, China; (Q.Z.); (C.W.)
| | - Changming Wen
- Nanyang Central Hospital, Nanyang 473000, China; (Q.Z.); (C.W.)
| | - Lijie Zhao
- The Rogel Cancer Center, Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yatao Wang
- First People’s Hospital of Shangqiu, Shangqiu 476100, China
- Department of Orthopedics, China-Japan Union Hospital, Jilin University, Changchun 130033, China
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3
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Easaw S, Ezzati S, Coombs CC. SOHO State of the Art Updates and Next Questions: Updates on BTK Inhibitors for the Treatment of Chronic Lymphocytic Leukemia. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2023; 23:697-704. [PMID: 37544810 DOI: 10.1016/j.clml.2023.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 07/24/2023] [Indexed: 08/08/2023]
Abstract
Over the last decade, targeted inhibition of Bruton's tyrosine kinase (BTK) has led to a paradigm shift in the way chronic lymphocytic leukemia (CLL) is managed. BTK inhibitors (BTKi) are broadly classified as covalent BTKI and noncovalent BTKi (cBTKi and ncBTK) Ibrutinib, as the first approved cBTKi, vastly improved outcomes for patients with CLL over prior chemoimmunotherapy regimens. However, long-term use is limited by both intolerance and resistance. The second generation of more selective BTKi were developed to improve tolerability. While these agents have led to an improved safety profile in comparison to Ibrutinib (both acalabrutinib and zanubrutinib), and improved efficacy (zanubrutinib), intolerance occasionally occurs, and resistance remains a challenge. The third generation of BTKi, which noncovalently or reversibly inhibits BTK, has shown promising results in early phase trials and are being evaluated in the phase 3 setting. These drugs could be an effective treatment option in patients with either resistance and intolerance to cBTKi. The most recent development in therapeutic agents targeting BTK is the development of BTK degraders. By removing BTK, as opposed to inhibiting it, these drugs could remain efficacious irrespective of BTK resistance mutations, however clinical data are limited at this time. This review summarizes the evolution and ongoing development of newer BTKi and BTK degraders in the management of CLL, with a focus of future directions in this field, including how emerging clinical data could inform therapeutic sequencing in CLL management.
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Affiliation(s)
| | - Shawyon Ezzati
- California Northstate University College of Medicine, Elk Grove, CA
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4
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Huang Z, Chavda VP, Bezbaruah R, Dhamne H, Yang DH, Zhao HB. CAR T-Cell therapy for the management of mantle cell lymphoma. Mol Cancer 2023; 22:67. [PMID: 37004047 PMCID: PMC10064560 DOI: 10.1186/s12943-023-01755-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/04/2023] [Indexed: 04/03/2023] Open
Abstract
Mantle cell lymphoma (MCL) is a subtype of Non-Hodgkin lymphoma (NHL) of mature B-cells characterized by translocation, which is typically due to excess expression of Cyclin D1. Although with the progress in our knowledge of the causes for MCL and available treatments for MCL, this cancer is still incurable. Age, male gender, rapid advancement, significant nodal involvement, elevated serum lactate dehydrogenase level, and prognostic indications including increased expression of Ki-67 and presence of TP53 mutation, are symbols of poor outcome. Advanced immunotherapy using chimeric antigen receptor (CAR)-T cells is advantageous for patients suffering from B-cell malignancies and MCL. Targeting B-cell antigens on the cell surface is a feasible approach in re-occurring (R/R) MCL because of significant responses obtained in other B-cell cancers. USFDA has approved brexucabtagene autoleucel (Tecartus, KTE-X19), a novel CAR T-cell therapy to be used in patients with MCL who have not responded to previous treatments or have relapsed. The FDA approved this new treatment depending on the outcomes of the ZUMA-2 clinical trial. Serious adverse reactions, moderate anti-tumor activity, allergen withdrawal, antigen escape, limited tumor infiltration, and trafficking are major barriers to successful CAR T-cell therapy. This review is a brief synopsis of the development of CAR T-cell therapy for MCL.
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Affiliation(s)
- Zoufang Huang
- Department of Hematology, Ganzhou Key Laboratory of Hematology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Vivek P Chavda
- Department of Pharmaceutics and Pharmaceutical Technology, L M College of Pharmacy, Ahmedabad, , 380009, Gujarat, India.
| | - Rajashri Bezbaruah
- Department of Pharmaceutical Sciences, Faculty of Science and Engineering, Dibrugarh University, Dibrugarh, India
| | - Hemant Dhamne
- Process Development, Gene Therapy Vector Facility, Research Management and Innvotations Directorate, King's College London, London, WC2R 2LS, UK
| | - Dong-Hua Yang
- New York College of Traditional Chinese Medicine, Mineola, NY, 11501, USA
| | - Hong-Bing Zhao
- Department of Oncology, the First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China.
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5
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Castillo JJ, Buske C, Trotman J, Sarosiek S, Treon SP. Bruton tyrosine kinase inhibitors in the management of Waldenström macroglobulinemia. Am J Hematol 2023; 98:338-347. [PMID: 36415104 PMCID: PMC10107762 DOI: 10.1002/ajh.26788] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 11/08/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022]
Abstract
Bruton tyrosine kinase (BTK) inhibitors have taken a central role in the management of patients with Waldenström macroglobulinemia and are the only agents approved by the Food and Drug Administration (FDA) to treat these patients. Although associated with high rates of durable responses, unmet needs with BTK inhibitor therapy include indefinite duration therapy, high cost, scarcity of complete responses, and lower rates and shorter duration of response in patients with CXCR4 mutations. Herein, we review the data supporting the use of covalent BTK inhibitors, selected management issues, clinical trials with covalent BTK inhibitor combination regimens, and up-and-coming non-covalent BTK inhibitors.
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Affiliation(s)
- Jorge J Castillo
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Christian Buske
- Comprehensive Cancer Center Ulm, Institute of Experimental Cancer Research, University Hospital Ulm, Ulm, Germany
| | - Judith Trotman
- Department of Haematology, Concord Repatriation General Hospital, Faculty of Medicine, University of Sydney, Concord, Australia
| | - Shayna Sarosiek
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Steven P Treon
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
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Yamagami J. B-cell targeted therapy of pemphigus. J Dermatol 2023; 50:124-131. [PMID: 36478455 PMCID: PMC10107866 DOI: 10.1111/1346-8138.16653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/02/2022] [Accepted: 11/06/2022] [Indexed: 12/12/2022]
Abstract
Pemphigus is an autoimmune disease that causes blistering and erosion of the skin and mucous membranes because of autoantibodies against desmoglein, which plays an important role in adhesion between epidermal keratinocytes. Treatment of pemphigus has long been centered on corticosteroids, and the guidelines for management of pemphigus have recommended high-dose systemic corticosteroids as the first-line treatment. While guideline-based treatment has been shown to be beneficial in patients with pemphigus, it has also become clear that this treatment is accompanied by significant burden and risk. The challenge for future pemphigus treatment is to maximize efficacy while minimizing risk during the course of the disease. In this regard, treatment targeting B cells is expected to become increasingly important as autoreactive B cells in pemphigus patients are thought to play a major role in the production of autoantibodies, which form the basis of the pathogenesis. The recent expansion of insurance coverage to rituximab, a monoclonal antibody against CD20, for refractory pemphigus in the USA, Europe, and Japan has opened up a new era of pemphigus treatment by enabling treatment strategies with drugs targeting B cells in patients. Here, we discuss the current status and future prospects of pemphigus treatment, focusing on rituximab and Bruton's tyrosine kinase inhibitors, which are expected to become essential drugs for pemphigus treatment in the future.
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Affiliation(s)
- Jun Yamagami
- Department of Dermatology, Tokyo Women's Medical University, Tokyo, Japan
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Long-term safety profile of tirabrutinib: final results of a Japanese Phase I study in patients with relapsed or refractory B-cell malignancies. Int J Hematol 2022; 117:553-562. [PMID: 36576659 PMCID: PMC10063512 DOI: 10.1007/s12185-022-03514-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 12/06/2022] [Accepted: 12/07/2022] [Indexed: 12/29/2022]
Abstract
Tirabrutinib is a Bruton's tyrosine kinase inhibitor for treating B-cell malignancies. We report the final results of a Phase I study of tirabrutinib in 17 Japanese patients with B-cell malignancies. Patients were administered tirabrutinib at a dose of 160 mg, 320 mg, or 480 mg once daily, or 300 mg twice daily (N = 3, 3, 4, and 7, respectively). Three patients continued tirabrutinib until study completion (November 30, 2020). Adverse events (AEs) occurred in all 17 patients, with Grade 3-4 AEs in 8 (47.1%), serious AEs in 7 (41.2%), drug-related AEs in 16 (94.1%), and Grade 3-4 drug-related AEs in 6 (35.3%). Drug-related AEs reported in 3 or more patients were rash, vomiting, neutropenia, arthralgia, and malaise. One additional serious AE (benign neoplasm of the lung, unrelated to tirabrutinib) occurred after the previous data cutoff (January 4, 2018). Tirabrutinib administration and response assessment were continued for over 4 years in 4 patients. The overall response rate was 76.5% (13/17 patients). The median (range) time to response and duration of response were 0.9 (0.9-5.9) months and 2.59 (0.08-5.45) years, respectively. These findings demonstrate the long-term safety and efficacy of tirabrutinib in Japanese patients with B-cell malignancies.Clinical trial registration: JapicCTI-142682 ( http://www.clinicaltrials.jp/ ).
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8
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Coombs CC. EXABS-124-CLL Extended Abstract: New BTKi. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2022; 22 Suppl 2:S27-S29. [PMID: 36163875 DOI: 10.1016/s2152-2650(22)00650-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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9
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Dong R, Yan Y, Zeng X, Lin N, Tan B. Ibrutinib-Associated Cardiotoxicity: From the Pharmaceutical to the Clinical. Drug Des Devel Ther 2022; 16:3225-3239. [PMID: 36164415 PMCID: PMC9508996 DOI: 10.2147/dddt.s377697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 09/06/2022] [Indexed: 12/06/2022] Open
Abstract
Ibrutinib is the first-in-class Bruton tyrosine kinase (BTK) inhibitor that has revolutionized the treatment of B cell malignancies. Unfortunately, increased incidences of cardiotoxicity have limited its use. Despite over a decade of research, the biological mechanisms underlying ibrutinib cardiotoxicity remain unclear. In this review, we discuss the pharmacological properties of ibrutinib, the incidence and mechanisms of ibrutinib-induced cardiotoxicity, and practical management to prevent and treat this condition. We also synopsize and discuss the cardiovascular adverse effects related to other more selective BTK inhibitors, which may guide the selection of appropriate BTK inhibitors.
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Affiliation(s)
- Rong Dong
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
| | - Youyou Yan
- Translational Medicine Research Center, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 31006, People’s Republic of China
| | - Xiaokang Zeng
- Department of Critical Care Medicine, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 31006, People’s Republic of China
| | - Nengming Lin
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
- Translational Medicine Research Center, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 31006, People’s Republic of China
- Nengming Lin, Department of Clinical Pharmacy, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Room 903, No. 7 Building, Hangzhou, People’s Republic of China, Tel/Fax +86-571-56005600, Email
| | - Biqin Tan
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, People’s Republic of China
- Correspondence: Biqin Tan, Department of Clinical Pharmacy, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Room 207, No. 5 Building, Hangzhou, People’s Republic of China, Tel +86-571-56007824, Fax +86-571-56005600, Email
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Sekiguchi Y, Nishimura Y, Kanda H, Kawamura M, Kobayashi K, Kobayashi H. Waldenstrom Macroglobulinemia/Lymphoplasmacytic Lymphoma Associated with Nephrotic Syndrome during Hemodialysis, Treated Successfully with Tirabrutinib. Intern Med 2022; 61:2503-2508. [PMID: 35110483 PMCID: PMC9449620 DOI: 10.2169/internalmedicine.8760-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A 74-year-old woman was diagnosed with Waldenstrom macroglobulinemia/lymphoplasmacytic lymphoma (WM/LPL) in X-18. Fludarabine plus rituximab (FR) was started, and she showed remission. In July X-7, the serum creatinine (Cr) level increased to 1.67 mg/dL, and bendamustine plus rituximab (BR) was started. By November X-7, the Cr level had increased to 8.41 mg/dL, so she was started on hemodialysis (HD). In September X-1, she developed nephrotic syndrome. She was started on tirabrutinib at 480 mg. In July X, her nephrotic syndrome had improved, and a complete response (CR) was achieved. This is the first case of the administration of tirabrutinib in a patient undergoing HD.
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Affiliation(s)
| | - You Nishimura
- Department of Pathology, Saitama Cancer Center, Japan
| | - Hiroaki Kanda
- Department of Pathology, Saitama Cancer Center, Japan
| | - Machiko Kawamura
- Department of Clinical Laboratory Medicine, Saitama Cancer Center, Japan
| | - Kazuhiko Kobayashi
- Department of Clinical Laboratory Medicine, Saitama Cancer Center, Japan
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11
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Abstract
INTRODUCTION The development of Bruton<apos;>s Tyrosine Kinase (BTK) inhibitors has transformed the treatment of B-cell malignancies and other non-malignant conditions. Management of the unique cardiotoxic profile of these agents requires prompt recognition and a multi-disciplinary approach. AREAS COVERED The increasing indications and addition of newer agents to clinical practice and emergence of BTK inhibitor-related cardiac adverse events have complicated the management decisions for utilization of this class of therapy. We review the incidence, mechanisms, and management approaches for BTK inhibitor-related atrial fibrillation, hypertension, and ventricular arrhythmias. EXPERT OPINION The newer BTK inhibitor acalabrutinib represents a new standard of care in front-line chronic lymphocytic leukemia (CLL) given the results of the ELEVATE-RR trial demonstrating comparable efficacy and a more favorable toxicity profile especially with regard to cardiac adverse events as compared to ibrutinib. Often not recognized by clinicians, BTK inhibitor-induced hypertension is common and can be severe, requiring prompt recognition and initiation or adjustment of anti-hypertensive medications to prevent major adverse cardiac outcomes. Novel BTK inhibitors in development are being designed to overcome the patterns of resistance from first-generation agents and to minimize off-target kinase activity, with promising toxicity profiles in early trials.
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Affiliation(s)
- Bradley W Christensen
- Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical CenterHarold C. , Dallas, TX, USA
| | - Vlad G Zaha
- Division of Cardiovascular Medicine, Department of Medicine, Advanced Imaging Research Center, Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Farrukh T Awan
- Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical CenterHarold C. , Dallas, TX, USA
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12
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Sawalha Y, Maddocks K. Novel treatments in B cell non-Hodgkin's lymphomas. BMJ 2022; 377:e063439. [PMID: 35443983 DOI: 10.1136/bmj-2020-063439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The improved understanding of lymphoma biology and recent advances in the field of cancer immunology have paved the way for the development of many effective small molecule inhibitors and immunotherapies in B cell non-Hodgkin's lymphomas. This article reviews novel treatments that have been approved recently by the US Food and Drug Administration and are now routinely used in clinical practice. It discusses their mechanisms of action, efficacy and safety, current therapeutic roles, and future directions in the treatment paradigm of different types of B cell non-Hodgkin's lymphoma. It also reviews other exciting novel treatments that are not yet approved but have unique mechanisms of action and have shown encouraging early results.
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Affiliation(s)
- Yazeed Sawalha
- Internal Medicine - Division of Hematology, Ohio State University Comprehensive Cancer Centre, Columbus, OH, USA
| | - Kami Maddocks
- Internal Medicine - Division of Hematology, Ohio State University Comprehensive Cancer Centre, Columbus, OH, USA
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13
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Sarosiek S, Sermer D, Branagan AR, Treon SP, Castillo JJ. Zanubrutinib for the treatment of adults with Waldenstrom macroglobulinemia. Expert Rev Anticancer Ther 2022; 22:471-478. [PMID: 35404729 DOI: 10.1080/14737140.2022.2064849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION The development of Bruton tyrosine kinase (BTK) inhibitors has significantly changed the treatment landscape for patients with Waldenström macroglobulinemia (WM). Ibrutinib was the first BTK inhibitor to receive FDA approval for this disease, but in recent years additional more selective BTK inhibitors have become available. Zanubrutinib, the most recently FDA-approved therapy for WM, has demonstrated comparable efficacy regarding hematologic response, but with an improved side effect profile compared to other BTK inhibitors. AREAS COVERED In this review, we highlight the pivotal studies that have formed the foundation for the use of zanubrutinib in WM, including safety and efficacy data from prospective clinical trials of the currently available BTK inhibitors. EXPERT OPINION BTK inhibitors are very effective in WM and have an overall response rate higher than 90%. The side effect profile of these medications is manageable, but does include a risk of atrial fibrillation, infection, and bleeding. The newer BTK inhibitors, such as acalabrutinib and zanubrutinib, are known to have less off-target effects and are potential treatment options. BTK inhibitors should be considered as a treatment option in treatment-naïve and previously treated disease depending on the individual patient preferences, comorbidities, and molecular profile.
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Affiliation(s)
- Shayna Sarosiek
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - David Sermer
- Department of Medicine, Harvard Medical School, Boston, MA, USA.,Division of Hematology and Oncology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Andrew R Branagan
- Department of Medicine, Harvard Medical School, Boston, MA, USA.,Division of Hematology and Oncology, Massachusetts General Hospital, Boston, MA, USA
| | - Steven P Treon
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Jorge J Castillo
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Boston, MA, USA.,Department of Medicine, Harvard Medical School, Boston, MA, USA
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14
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Zhang H, Hu Z, Zhang H, Sun X, Yang J, Yuan J. Characterization of the metabolites of tirabrutinib generated from rat, dog and human liver microsomes using ultra-high-performance liquid chromatography combined with high-resolution mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9240. [PMID: 34904306 DOI: 10.1002/rcm.9240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/07/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
RATIONALE Tirabrutinib is an orally administered Bruton's tyrosine kinase (BTK) inhibitor developed for the treatment of autoimmune disorders and haematological malignancies. The goals of this study were to identify the metabolites of tirabrutinib and to propose the metabolic pathways. METHODS Tirabrutinib was individually incubated with rat, dog and human liver microsomes at 37°C for 1 h. To trap the potential reactive metabolites, glutathione (GSH) was incorporated into the incubation samples. The incubation samples were analysed using ultra-high-performance liquid chromatography combined with high-resolution mass spectrometry (UHPLC-HRMS). The metabolites were identified and characterized by exact masses, product ions and retention times. RESULTS A total of 18 metabolites, including four GSH conjugates, were identified and characterized in terms of elemental compositions and product ions. The metabolic pathways of tirabrutinib included amide hydrolysis, O-dealkylation, mono-oxygenation, di-oxygenation and GSH conjugation. Among these metabolites, M10 was the most abundant metabolite. Compared with dog, rat has the closer metabolic profiles to humans, and thus it would be more suitable for toxicity study. CONCLUSIONS This study provides valuable data regarding the in vitro metabolism of tirabrutinib, which may be helpful for further safety assessment of this drug.
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Affiliation(s)
- Hongjian Zhang
- Department of Otorhinolaryngology-Head and Neck Surgery, Hefei Cancer Hospital, Chinese Academy of Science, Hefei, China
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Zhen Hu
- Department of Radiology, The Second Hospital of Anhui Medical University, Hefei, China
| | - Huiping Zhang
- Department of Otorhinolaryngology-Head and Neck Surgery, Hefei Cancer Hospital, Chinese Academy of Science, Hefei, China
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Xiyan Sun
- Department of Otorhinolaryngology-Head and Neck Surgery, Hefei Cancer Hospital, Chinese Academy of Science, Hefei, China
- Anhui Province Key Laboratory of Medical Physics and Technology, Institute of Health & Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Jianming Yang
- Department of Otorhinolaryngology-Head and Neck Surgery, The Second Hospital of Anhui Medical University, Hefei, China
| | - Jie Yuan
- Anhui Provincial Institute for Food and Drug Control, Hefei, China
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15
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Cherala G, Nelson C, Guo Y, Mathur A, Tarnowski T, Othman AA. Evaluation of the Potential for Pharmacokinetic Interaction Between Tirabrutinib and Levonorgestrel/Ethinyl Estradiol in Healthy Female Volunteers. Clin Transl Sci 2022; 15:1492-1499. [PMID: 35266297 PMCID: PMC9199868 DOI: 10.1111/cts.13265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/11/2022] [Accepted: 02/26/2022] [Indexed: 12/01/2022] Open
Abstract
Tirabrutinib (TIRA), a potent and nonreversible oral Bruton tyrosine kinase inhibitor, is evaluated for treatment of certain hematological malignancies and inflammatory diseases. A drug–drug interaction study to evaluate the effect of TIRA on the pharmacokinetics of the oral contraceptive levonorgestrel (LEVO)/ethinyl estradiol (EE) was conducted in healthy female participants (N = 26). Participants received a single dose of LEVO (150 mcg)/EE (30 mcg) alone (reference), and on day 12 of a 15‐day regimen of TIRA 160 mg once‐daily (test). Intensive blood sampling for determination of LEVO, EE, and TIRA plasma concentrations was conducted, and safety was assessed throughout the study. Pharmacokinetic interactions were evaluated using 90% confidence intervals (CIs) of the geometric least squares mean (GLSM) ratios of the test versus reference treatments. The GLSM (90% CI) ratios of area under the concentration‐time curve from zero to infinity (AUCinf; LEVO: 0.95, 95% CI: 0.88–1.03, EE: 1.10, 95% CI: 1.05–1.16) and maximum plasma concentration (Cmax; LEVO: 0.85, 95% CI: 0.74–0.98, EE: 1.07, 95% CI: 0.98–1.18) were within the prespecified 0.70 to 1.43 no effect bounds; and the AUC ratios met the stricter 0.80 to 1.25 equivalence bounds. Study treatments were generally well‐tolerated. In conclusion, co‐administration with TIRA did not alter the exposure of LEVO/EE, and accordingly LEVO/EE containing oral contraceptives can serve as a contraception method for participants on TIRA 160 mg (or lower) daily doses.
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Affiliation(s)
| | | | - Ying Guo
- Gilead Sciences, Inc., Foster City, CA, USA
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16
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Tbakhi B, Reagan PM. Chimeric antigen receptor (CAR) T-cell treatment for mantle cell lymphoma (MCL). Ther Adv Hematol 2022; 13:20406207221080738. [PMID: 35237395 PMCID: PMC8882938 DOI: 10.1177/20406207221080738] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/31/2022] [Indexed: 11/16/2022] Open
Abstract
Mantle cell lymphoma (MCL) is a rare B-cell malignancy that remains challenging
to treat with high rates of relapse. Frontline strategies range from intensive
chemotherapy followed by consolidation with autologous stem cell transplant
(ASCT), to less-intensive therapies including combination regimens. The
treatment landscape for relapsed patients includes Bruton tyrosine kinase (BTK)
inhibitors among other targeted treatments. Novel agents such as the selective
BCL2 inhibitor venetoclax showed high response rates when used as monotherapy
for refractory relapsed MCL. The rituximab, bendamustine, and cytarabine (R-BAC)
regimen, while response rates were high, were not durable. Chimeric antigen
receptor (CAR) T-cell products targeting CD19 have been efficacious in relapsed
and refractory MCL patients. Brexucabtagene autoleucel (brexu-cel, formerly
KTE-X19) was approved by US Food and Drug Administration (FDA) in July, 2020,
for treatment of refractory and relapsed MCL. This article provides an overview
for the available management strategies for relapsed MCL and examines the role
of CAR T-cell in the current and future treatment of MCL.
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Affiliation(s)
- Bushra Tbakhi
- Department of Hematology/Oncology, Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Patrick M. Reagan
- Department of Hematology/Oncology, Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY, USA
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17
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Shirley M. Bruton Tyrosine Kinase Inhibitors in B-Cell Malignancies: Their Use and Differential Features. Target Oncol 2022; 17:69-84. [PMID: 34905129 PMCID: PMC8783859 DOI: 10.1007/s11523-021-00857-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2021] [Indexed: 12/14/2022]
Abstract
Starting with the first-in-class agent ibrutinib, the development of Bruton tyrosine kinase (BTK) inhibitors has led to dramatic improvements in the management of B-cell malignancies. Subsequently, more-highly selective second-generation BTK inhibitors (including acalabrutinib, zanubrutinib, tirabrutinib and orelabrutinib) have been developed, primarily with an aim to reduce off-target toxicities. More recently, third-generation agents including the non-covalent BTK inhibitors pirtobrutinib and nemtabrutinib have entered later-stage clinical development. BTK inhibitors have shown strong activity in a range of B-cell malignancies, including chronic lymphocytic leukaemia/small lymphocytic lymphoma, mantle cell lymphoma, Waldenström's macroglobulinaemia and marginal zone lymphoma. The agents have acceptable tolerability, with adverse events generally being manageable with dosage modification. This review article summarises the evidence supporting the role of BTK inhibitors in the management of B-cell malignancies, including highlighting some differential features between agents.
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Affiliation(s)
- Matt Shirley
- Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand.
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18
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Meng A, Humeniuk R, Jürgensmeier JM, Hsueh CH, Matzkies F, Grant E, Truong H, Billin AN, Yu H, Feng J, Kwan E, Tarnowski T, Nelson CH. Semi-Mechanistic PK/PD Modeling and Simulation of Irreversible BTK Inhibition to Support Dose Selection of Tirabrutinib in Subjects with RA. Clin Pharmacol Ther 2021; 111:416-424. [PMID: 34623640 PMCID: PMC9298258 DOI: 10.1002/cpt.2439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/14/2021] [Indexed: 11/08/2022]
Abstract
Tirabrutinib is an irreversible, small-molecule Bruton's tyrosine kinase (BTK) inhibitor, which was approved in Japan (VELEXBRU) to treat B-cell malignancies and is in clinical development for inflammatory diseases. As an application of model-informed drug development, a semimechanistic pharmacokinetic/pharmacodynamic (PK/PD) model for irreversible BTK inhibition of tirabrutinib was developed to support dose selection in clinical development, based on clinical PK and BTK occupancy data from two phase I studies with a wide range of PK exposures in healthy volunteers and in subjects with rheumatoid arthritis. The developed model adequately described and predicted the PK and PD data. Overall, the model-based simulation supported a total daily dose of at least 40 mg, either q.d. or b.i.d., with adequate BTK occupancy (> 90%) for further development in inflammatory diseases. Following the PK/PD modeling and simulation, the relationship between model-predicted BTK occupancy and preliminary clinical efficacy data was also explored and a positive trend was identified between the increasing time above adequate BTK occupancy and better efficacy in treatment for RA by linear regression.
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Affiliation(s)
- Amy Meng
- Gilead Sciences, Inc., Foster City, California, USA
| | | | | | | | | | - Ethan Grant
- Gilead Sciences, Inc., Foster City, California, USA
| | - Hoa Truong
- Gilead Sciences, Inc., Foster City, California, USA
| | | | - Helen Yu
- Gilead Sciences, Inc., Foster City, California, USA
| | - Joy Feng
- Gilead Sciences, Inc., Foster City, California, USA
| | - Ellen Kwan
- Gilead Sciences, Inc., Foster City, California, USA
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19
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Gaballa S, Pinilla-Ibarz J. BTK Inhibitors in Chronic Lymphocytic Leukemia. Curr Hematol Malig Rep 2021; 16:422-432. [PMID: 34599723 DOI: 10.1007/s11899-021-00645-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2021] [Indexed: 01/17/2023]
Abstract
PURPOSE OF REVIEW The treatment landscape of chronic lymphocytic leukemia (CLL) has dramatically changed over the last few years with the introduction of novel targeted agents. Physicians are now faced with several equally effective therapy options when treating patients with CLL. Here, we review the role of Bruton tyrosine kinase (BTK) inhibitors in treating patients with treatment-naïve and relapsed or refractory CLL. We review recent approvals of BTK inhibitors as well as reported and ongoing clinical trial data. RECENT FINDINGS The approval of ibrutinib rapidly led to a paradigm shift in the management of CLL. Randomized trials have now compared ibrutinib to several chemoimmunotherapy approaches, which were in favor of ibrutinib. Second-generation more selective BTK inhibitors, including acalabrutinib and zanubrutinib, have been developed, and recent data have led to the approval of acalabrutinib in CLL. Ongoing and future studies focus on either combining BTK inhibitors with other novel agents (e.g., venetoclax, obinutuzumab, or ublituximab) or developing next-generation non-covalent reversible BTK inhibitors that may be effective in treating patients with CLL harboring BTK-resistant mutations. The field of CLL continues to evolve rapidly with new and evolving combination treatments and novel BTK agents, which will continue to change the standard of care for CLL.
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Affiliation(s)
- Sameh Gaballa
- Department of Malignant Hematology, Lymphoma Section, Moffitt Cancer Center, Tampa, FL, USA.
- , Tampa, USA.
| | - Javier Pinilla-Ibarz
- Department of Malignant Hematology, Lymphoma Section, Moffitt Cancer Center, Tampa, FL, USA
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20
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Kinase Inhibition in Relapsed/Refractory Leukemia and Lymphoma Settings: Recent Prospects into Clinical Investigations. Pharmaceutics 2021; 13:pharmaceutics13101604. [PMID: 34683897 PMCID: PMC8540545 DOI: 10.3390/pharmaceutics13101604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 09/21/2021] [Accepted: 09/25/2021] [Indexed: 01/19/2023] Open
Abstract
Cancer is still a major barrier to life expectancy increase worldwide, and hematologic neoplasms represent a relevant percentage of cancer incidence rates. Tumor dependence of continuous proliferative signals mediated through protein kinases overexpression instigated increased strategies of kinase inhibition in the oncologic practice over the last couple decades, and in this review, we focused our discussion on relevant clinical trials of the past five years that investigated kinase inhibitor (KI) usage in patients afflicted with relapsed/refractory (R/R) hematologic malignancies as well as in the pharmacological characteristics of available KIs and the dissertation about traditional chemotherapy treatment approaches and its hindrances. A trend towards investigations on KI usage for the treatment of chronic lymphoid leukemia and acute myeloid leukemia in R/R settings was observed, and it likely reflects the existence of already established treatment protocols for chronic myeloid leukemia and acute lymphoid leukemia patient cohorts. Overall, regimens of KI treatment are clinically manageable, and results are especially effective when allied with tumor genetic profiles, giving rise to encouraging future prospects of an era where chemotherapy-free treatment regimens are a reality for many oncologic patients.
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21
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Non-Covalent BTK Inhibitors-The New BTKids on the Block for B-Cell Malignancies. J Pers Med 2021; 11:jpm11080764. [PMID: 34442408 PMCID: PMC8400141 DOI: 10.3390/jpm11080764] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 12/12/2022] Open
Abstract
The B-cell receptor signalling pathway plays a critical role in development of B-cell malignancies, and the central role of Bruton’s tyrosine kinase (BTK) activation in this pathway provides compelling rationale for BTK inhibition as a therapeutic strategy for these conditions. Covalent BTK inhibitors (BTKi) have transformed the treatment landscape of B-cell malignancies, but adverse events and treatment resistance have emerged as therapeutic challenges, with the majority of patients eventually discontinuing treatment due to toxicity or disease progression. Non-covalent BTKi have alternative mechanisms of binding to BTK than covalent BTKi, and therefore offer a therapeutic alternative for patients with B-cell malignancies, including those who have been intolerant to, or experienced disease progression during treatment with a covalent BTKi. Here, we summarise the clinical data, adverse events and mechanisms of resistance observed with covalent BTKi and describe the emerging data for non-covalent BTKi as a novel treatment for B-cell malignancies.
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22
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Yamagami J, Ujiie H, Aoyama Y, Ishii N, Tateishi C, Ishiko A, Ichijima T, Hagihara S, Hashimoto K, Amagai M. A multicenter, open-label, uncontrolled, single-arm phase 2 study of tirabrutinib, an oral Bruton's tyrosine kinase inhibitor, in pemphigus. J Dermatol Sci 2021; 103:135-142. [PMID: 34376340 DOI: 10.1016/j.jdermsci.2021.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/02/2021] [Accepted: 07/04/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND The treatment of pemphigus is based on systemic corticosteroid use and adjuvant therapies, but some patients are resistant to conventional therapy. Tirabrutinib is a highly selective oral Bruton's tyrosine kinase inhibitor that may be clinically effective in treating pemphigus by suppressing B-cell signaling. OBJECTIVE We investigated the efficacy and safety of tirabrutinib in patients with refractory pemphigus. METHODS This was a multicenter, open-label, single-arm phase 2 study of Japanese patients with refractory pemphigus receiving appropriate treatment with an oral corticosteroid and adjuvant therapies. Patients received postprandial oral tirabrutinib 80 mg once daily for 52 weeks. After 16 weeks of tirabrutinib treatment, the corticosteroid dose was tapered to ≤10 mg/day of prednisolone equivalent. RESULTS In total, 16 patients were evaluated (mean age, 52.5 years; 50 % male). The complete remission rate after 24 weeks of treatment (primary endpoint) was 18.8 % (3/16; 95 % confidence interval, 6.6 %-43.0 %). By Week 52, eight patients (50.0 %) achieved complete remission and 10 patients (62.5 %) achieved remission. Over 52 weeks of treatment, the mean prednisolone dose decreased from 17.03 to 7.65 mg/day. Incidences of adverse events (AEs) and adverse drug reactions were 87.5 % and 43.8 %, respectively. A relationship with tirabrutinib was ruled out for all serious AEs and Grade ≥3 AEs. CONCLUSION Treatment with tirabrutinib enabled remission and reduced oral corticosteroid exposure over time and did not result in any major safety concerns in patients with refractory pemphigus. Thus, oral tirabrutinib may be a new treatment option for patients with refractory pemphigus.
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Affiliation(s)
- Jun Yamagami
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Ujiie
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yumi Aoyama
- Department of Dermatology, Kawasaki Medical School, Okayama, Japan
| | - Norito Ishii
- Department of Dermatology, Kurume University School of Medicine, Kurume, Japan
| | - Chiharu Tateishi
- Department of Dermatology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Akira Ishiko
- Department of Dermatology, School of Medicine, Faculty of Medicine, Toho University, Tokyo, Japan
| | - Tomoki Ichijima
- Clinical Development Planning, Ono Pharmaceutical Co., Ltd., Osaka, Japan
| | - Shunsuke Hagihara
- Department of Statistical Analysis, Ono Pharmaceutical Co., Ltd., Osaka, Japan
| | - Koji Hashimoto
- Ehime University Graduate School of Medicine, Ehime, Japan
| | - Masayuki Amagai
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan.
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23
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Morschhauser F, Dyer MJS, Walter HS, Danilov AV, Ysebaert L, Hodson DJ, Fegan C, Rule SA, Radford J, Cartron G, Bouabdallah K, Davies AJ, Spurgeon S, Rajakumaraswamy N, Li B, Humeniuk R, Huang X, Bhargava P, Jürgensmeier JM, Salles G. Phase 1b study of tirabrutinib in combination with idelalisib or entospletinib in previously treated B-cell lymphoma. Leukemia 2021; 35:2108-2113. [PMID: 33328591 PMCID: PMC8257485 DOI: 10.1038/s41375-020-01108-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 11/17/2020] [Accepted: 11/30/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Franck Morschhauser
- Univ. Lille, CHU Lille, ULR 7365, GRITA - Groupe de Recherche sur les formes Injectables et les Technologies Associées, F-59000 Lille, France.
| | - Martin J S Dyer
- Ernest and Helen Scott Haematological Research Institute, University of Leicester, Leicester, UK
| | - Harriet S Walter
- Ernest and Helen Scott Haematological Research Institute, University of Leicester, Leicester, UK
| | | | - Loic Ysebaert
- Département d'Hématologie IUCT-Oncopole, Toulouse, France
| | | | | | - Simon A Rule
- University of Plymouth Medical School, Plymouth, UK
| | - John Radford
- University of Manchester and The Christie NHS Foundation Trust, Manchester, UK
| | - Guillaume Cartron
- Department of Clinical Hematology, University Hospital of Montpellier and UMR-CNRS 5535, Montpellier, France
| | | | | | - Stephen Spurgeon
- Knight Cancer Institute, Oregon Health and Science University, Portland, OR, USA
| | | | - Biao Li
- Gilead Sciences, Inc, Foster City, CA, USA
| | | | - Xi Huang
- Gilead Sciences, Inc, Foster City, CA, USA
| | | | | | - Gilles Salles
- Hospices Civils de Lyon, Department of Hematology, Université de Lyon, Lyon, France
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24
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Ahn IE, Brown JR. Targeting Bruton's Tyrosine Kinase in CLL. Front Immunol 2021; 12:687458. [PMID: 34248972 PMCID: PMC8261291 DOI: 10.3389/fimmu.2021.687458] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/18/2021] [Indexed: 01/19/2023] Open
Abstract
Targeting the B-cell receptor signaling pathway through BTK inhibition proved to be effective for the treatment of chronic lymphocytic leukemia (CLL) and other B-cell lymphomas. Covalent BTK inhibitors (BTKis) led to an unprecedented improvement in outcome in CLL, in particular for high-risk subgroups with TP53 aberration and unmutated immunoglobulin heavy-chain variable-region gene (IGHV). Ibrutinib and acalabrutinib are approved by the US Food and Drug Administration for the treatment of CLL and other B-cell lymphomas, and zanubrutinib, for patients with mantle cell lymphoma. Distinct target selectivity of individual BTKis confer differences in target-mediated as well as off-target adverse effects. Disease progression on covalent BTKis, driven by histologic transformation or selective expansion of BTK and PLCG2 mutated CLL clones, remains a major challenge in the field. Fixed duration combination regimens and reversible BTKis with non-covalent binding chemistry hold promise for the prevention and treatment of BTKi-resistant disease.
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Affiliation(s)
- Inhye E Ahn
- Lymphoid Malignancies Section, National Heart, Lung, and Blood Institute, Bethesda, MD, United States
| | - Jennifer R Brown
- Chronic Lymphocytic Leukemia Center, Division of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, United States
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25
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Bruton Tyrosine Kinase Inhibitors in Chronic Lymphocytic Leukemia: Beyond Ibrutinib. Hematol Oncol Clin North Am 2021; 35:761-773. [PMID: 34174985 DOI: 10.1016/j.hoc.2021.03.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Bruton tyrosine kinase inhibitors have indisputably transformed the treatment landscape of chronic lymphocytic leukemia, but require continuous therapy to maintain response. This places emphasis on their unique toxicity profile and potential loss of efficacy owing to resistance. Data from single-arm clinical studies are suggestive of comparable efficacy and favorable toxicity profiles of next-generation Bruton tyrosine kinase inhibitors. This is supported by the ASPEN study in Waldenstrom's macroglobulinemia, which convincingly demonstrated that zanubrutinib has a better toxicity profile than ibrutinib. Novel, reversible Bruton tyrosine kinase inhibitors are showing the potential to improve long-term efficacy by overcoming common mechanisms of resistance.
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26
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Bruton's Tyrosine Kinase Targeting in Multiple Myeloma. Int J Mol Sci 2021; 22:ijms22115707. [PMID: 34071917 PMCID: PMC8198777 DOI: 10.3390/ijms22115707] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/21/2021] [Accepted: 05/23/2021] [Indexed: 12/12/2022] Open
Abstract
Multiple myeloma (MM), a clonal plasma cell disorder, disrupts the bones’ hematopoiesis and microenvironment homeostasis and ability to mediate an immune response against malignant clones. Despite prominent survival improvement with newer treatment modalities since the 2000s, MM is still considered a non-curable disease. Patients experience disease recurrence episodes with clonal evolution, and with each relapse disease comes back with a more aggressive phenotype. Bruton’s Tyrosine Kinase (BTK) has been a major target for B cell clonal disorders and its role in clonal plasma cell disorders is under active investigation. BTK is a cytosolic kinase which plays a major role in the immune system and its related malignancies. The BTK pathway has been shown to provide survival for malignant clone and multiple myeloma stem cells (MMSCs). BTK also regulates the malignant clones’ interaction with the bone marrow microenvironment. Hence, BTK inhibition is a promising therapeutic strategy for MM patients. In this review, the role of BTK and its signal transduction pathways are outlined in the context of MM.
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27
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Yu H, Kong H, Li C, Dong X, Wu Y, Zhuang Y, Han S, Lei T, Yang H. Bruton's tyrosine kinase inhibitors in primary central nervous system lymphoma-evaluation of anti-tumor efficacy and brain distribution. Transl Cancer Res 2021; 10:1975-1983. [PMID: 35116520 PMCID: PMC8798964 DOI: 10.21037/tcr-21-50] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/31/2021] [Indexed: 12/16/2022]
Abstract
Background Primary central nervous system lymphoma (PCNSL) is an aggressive lymphoma confined to central nervous system. Current treatments including surgery, chemotherapy and whole-brain radiotherapy often fail to achieve satisfactory effect, especially in elderly. As a regimen in targeted therapy, Bruton’s tyrosine kinase (BTK) inhibitor ibrutinib has been tested in several clinical trials against PCNSL, offering hope for patients unfit for chemotherapy. We aim to evaluate and compare the anti-PCNSL ability of three different BTK inhibitors, ibrutinib, zanubrutinib and tirabrutinib, providing direct evidence for the targeted therapy of PCNSL. Methods Retrospective study was done on patients who received ibrutinib-based therapy in our hospital. Cerebrospinal fluid (CSF) from one patient was collected to measure the concentration of ibrutinib. Inhibition assay and apoptosis assay were done on lymphoma cells to determine the anti-tumoral effects of three inhibitors. Pharmacokinetic study was conducted to evaluate their ability in penetrating blood brain barrier and distributing in brain. Results In retrospective study, we found three patients with PCNSL who had good clinical response to ibrutinib-based therapy (2 complete remission, 1 partial remission), which further support the use of BTK inhibitors in PCNSL. In vitro studies show that ibrutinib has the best anti-tumoral ability among three inhibitors. In vivo study on pharmacokinetic profiles indicate that both ibrutinib and tirabrutinib are good in distributing in brain parenchyma. Conclusions In conclusion, our study results suggest that BTK inhibitors can be promising candidates for PCNSL treatment, preferring the use of ibrutinib and tirabrutinib as anti-PCNSL agents among the three inhibitors.
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Affiliation(s)
- Haifeng Yu
- Department of Lymphoma, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Haiying Kong
- Department of Pharmacy, Zhejiang Medical and Health Group Hangzhou Hospital (Hangzhou Hanggang Hospital), Hangzhou, China
| | - Cong Li
- Department of Lymphoma, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Xiaowu Dong
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Yizhe Wu
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Yuxin Zhuang
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Shuiyun Han
- Department of Lymphoma, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Tao Lei
- Department of Lymphoma, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Haiyan Yang
- Department of Lymphoma, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
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28
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Narita Y, Nagane M, Mishima K, Terui Y, Arakawa Y, Yonezawa H, Asai K, Fukuhara N, Sugiyama K, Shinojima N, Kitagawa J, Aoi A, Nishikawa R. Phase I/II study of tirabrutinib, a second-generation Bruton's tyrosine kinase inhibitor, in relapsed/refractory primary central nervous system lymphoma. Neuro Oncol 2021; 23:122-133. [PMID: 32583848 PMCID: PMC7850159 DOI: 10.1093/neuonc/noaa145] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background The safety, tolerability, efficacy, and pharmacokinetics of tirabrutinib, a second-generation, highly selective oral Bruton’s tyrosine kinase inhibitor, were evaluated for relapsed/refractory primary central nervous system lymphoma (PCNSL). Methods Patients with relapsed/refractory PCNSL, Karnofsky performance status ≥70, and normal end-organ function received tirabrutinib 320 and 480 mg once daily (q.d.) in phase I to evaluate dose-limiting toxicity (DLT) within 28 days using a 3 + 3 dose escalation design and with 480 mg q.d. under fasted conditions in phase II. Results Forty-four patients were enrolled; 20, 7, and 17 received tirabrutinib at 320, 480, and 480 mg under fasted conditions, respectively. No DLTs were observed, and the maximum tolerated dose was not reached at 480 mg. Common grade ≥3 adverse events (AEs) were neutropenia (9.1%), lymphopenia, leukopenia, and erythema multiforme (6.8% each). One patient with 480 mg q.d. had grade 5 AEs (pneumocystis jirovecii pneumonia and interstitial lung disease). Independent review committee assessed overall response rate (ORR) at 64%: 60% with 5 complete responses (CR)/unconfirmed complete responses (CRu) at 320 mg, 100% with 4 CR/CRu at 480 mg, and 53% with 6 CR/CRu at 480 mg under fasted conditions. Median progression-free survival was 2.9 months: 2.1, 11.1, and 5.8 months at 320, 480, and 480 mg under fasted conditions, respectively. Median overall survival was not reached. ORR was similar among patients harboring CARD11, MYD88, and CD79B mutations, and corresponding wild types. Conclusion These data indicate favorable efficacy of tirabrutinib in patients with relapsed/refractory PCNSL. Trial registration JapicCTI-173646.
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Affiliation(s)
- Yoshitaka Narita
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Motoo Nagane
- Department of Neurosurgery, Kyorin University Faculty of Medicine, Tokyo, Japan
| | - Kazuhiko Mishima
- Department of Neuro-Oncology/Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Yasuhito Terui
- Department of Hematology and Oncology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yoshiki Arakawa
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hajime Yonezawa
- Department of Neurosurgery, Kagoshima University Hospital, Kagoshima, Japan
| | - Katsunori Asai
- Department of Neurosurgery, Osaka International Cancer Institute, Osaka, Japan
| | - Noriko Fukuhara
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Kazuhiko Sugiyama
- Department of Medical Oncology, Hiroshima University Hospital, Hiroshima, Japan
| | - Naoki Shinojima
- Department of Neurosurgery, Kumamoto University Hospital, Kumamoto, Japan
| | | | - Arata Aoi
- Ono Pharmaceutical Co, Ltd, Osaka, Japan
| | - Ryo Nishikawa
- Department of Neuro-Oncology/Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan
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Estupiñán HY, Berglöf A, Zain R, Smith CIE. Comparative Analysis of BTK Inhibitors and Mechanisms Underlying Adverse Effects. Front Cell Dev Biol 2021; 9:630942. [PMID: 33777941 PMCID: PMC7991787 DOI: 10.3389/fcell.2021.630942] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 02/03/2021] [Indexed: 12/16/2022] Open
Abstract
The cytoplasmic protein-tyrosine kinase BTK plays an essential role for differentiation and survival of B-lineage cells and, hence, represents a suitable drug target. The number of BTK inhibitors (BTKis) in the clinic has increased considerably and currently amounts to at least 22. First-in-class was ibrutinib, an irreversible binder forming a covalent bond to a cysteine in the catalytic region of the kinase, for which we have identified 228 active trials listed at ClinicalTrials.gov. Next-generation inhibitors, acalabrutinib and zanubrutinib, are approved both in the United States and in Europe, and zanubrutinib also in China, while tirabrutinib is currently only registered in Japan. In most cases, these compounds have been used for the treatment of B-lymphocyte tumors. However, an increasing number of trials instead addresses autoimmunity and inflammation in multiple sclerosis, rheumatoid arthritis, pemphigus and systemic lupus erythematosus with the use of either irreversibly binding inhibitors, e.g., evobrutinib and tolebrutinib, or reversibly binding inhibitors, like fenebrutinib. Adverse effects (AEs) have predominantly implicated inhibition of other kinases with a BTKi-binding cysteine in their catalytic domain. Analysis of the reported AEs suggests that ibrutinib-associated atrial fibrillation is caused by binding to ERBB2/HER2 and ERBB4/HER4. However, the binding pattern of BTKis to various additional kinases does not correlate with the common assumption that skin manifestations and diarrhoeas are off-target effects related to EGF receptor inhibition. Moreover, dermatological toxicities, diarrhoea, bleedings and invasive fungal infections often develop early after BTKi treatment initiation and subsequently subside. Conversely, cardiovascular AEs, like hypertension and various forms of heart disease, often persist.
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Affiliation(s)
- H Yesid Estupiñán
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden.,Departamento de Ciencias Básicas, Universidad Industrial de Santander, Bucaramanga, Colombia
| | - Anna Berglöf
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden
| | - Rula Zain
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden.,Centre for Rare Diseases, Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
| | - C I Edvard Smith
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Karolinska University Hospital, Huddinge, Sweden
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von Hundelshausen P, Siess W. Bleeding by Bruton Tyrosine Kinase-Inhibitors: Dependency on Drug Type and Disease. Cancers (Basel) 2021; 13:1103. [PMID: 33806595 PMCID: PMC7961939 DOI: 10.3390/cancers13051103] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 12/13/2022] Open
Abstract
Bruton tyrosine kinase (Btk) is expressed in B-lymphocytes, myeloid cells and platelets, and Btk-inhibitors (BTKi) are used to treat patients with B-cell malignancies, developed against autoimmune diseases, have been proposed as novel antithrombotic drugs, and been tested in patients with severe COVID-19. However, mild bleeding is frequent in patients with B-cell malignancies treated with the irreversible BTKi ibrutinib and the recently approved 2nd generation BTKi acalabrutinib, zanubrutinib and tirabrutinib, and also in volunteers receiving in a phase-1 study the novel irreversible BTKi BI-705564. In contrast, no bleeding has been reported in clinical trials of other BTKi. These include the brain-penetrant irreversible tolebrutinib and evobrutinib (against multiple sclerosis), the irreversible branebrutinib, the reversible BMS-986142 and fenebrutinib (targeting rheumatoid arthritis and lupus erythematodes), and the reversible covalent rilzabrutinib (against pemphigus and immune thrombocytopenia). Remibrutinib, a novel highly selective covalent BTKi, is currently in clinical studies of autoimmune dermatological disorders. This review describes twelve BTKi approved or in clinical trials. By focusing on their pharmacological properties, targeted disease, bleeding side effects and actions on platelets it attempts to clarify the mechanisms underlying bleeding. Specific platelet function tests in blood might help to estimate the probability of bleeding of newly developed BTKi.
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Affiliation(s)
- Philipp von Hundelshausen
- Institute for Cardiovascular Prevention, Ludwig-Maximilians University (LMU), 80336 Munich, Germany;
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany
| | - Wolfgang Siess
- Institute for Cardiovascular Prevention, Ludwig-Maximilians University (LMU), 80336 Munich, Germany;
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80336 Munich, Germany
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Abstract
Tirabrutinib (Velexbru®) is an orally administered, small molecule, Bruton's tyrosine kinase (BTK) inhibitor being developed by Ono Pharmaceutical and its licensee Gilead Sciences for the treatment of autoimmune disorders and haematological malignancies. Tirabrutinib irreversibly and covalently binds to BTK in B cells and inhibits aberrant B cell receptor signalling in B cell-related cancers and autoimmune diseases. In March 2020, oral tirabrutinib was approved in Japan for the treatment of recurrent or refractory primary central nervous system lymphoma. Tirabrutinib is also under regulatory review in Japan for the treatment of Waldenström's macroglobulinemia and lymphoplasmacytic lymphoma. Clinical development is underway in the USA, Europe and Japan for autoimmune disorders, chronic lymphocytic leukaemia, B cell lymphoma, Sjogren's syndrome, pemphigus and rheumatoid arthritis. This article summarizes the milestones in the development of tirabrutinib leading to the first approval of tirabrutinib for the treatment of recurrent or refractory primary central nervous system lymphoma in Japan.
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Series J, Ribes A, Garcia C, Souleyreau P, Bauters A, Morschhauser F, Jürgensmeier JM, Sié P, Ysebaert L, Payrastre B. Effects of novel Btk and Syk inhibitors on platelet functions alone and in combination in vitro and in vivo. J Thromb Haemost 2020; 18:3336-3351. [PMID: 32926549 DOI: 10.1111/jth.15098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 07/25/2020] [Accepted: 08/31/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Inhibitors of tyrosine kinases downstream of the B-cell receptor, such as Bruton's tyrosine kinase (Btk) or Spleen tyrosine kinase (Syk), used alone or in combination are new therapeutic options in the treatment of B-cell malignancies. A challenge in the development of second-generation Btk inhibitors is to limit their side effects such as the increased bleeding risk. Considering the pivotal role of Syk in immunoreceptor tyrosine-based activation motif mediated platelet signaling, the impact of inhibiting this kinase on platelet functions is also worth analyzing. OBJECTIVES We investigated the effect of a novel Btk inhibitor, tirabrutinib, and a Syk inhibitor, entospletinib, alone and in combination on platelet signaling and functions in vitro and ex vivo. METHODS Platelet aggregation, secretion, and signaling responses as well as thrombus growth under flow were analyzed in the presence of the inhibitors alone or in combination in vitro, at clinically relevant doses, and ex vivo in patients treated with these inhibitors in the context of a phase I trial. RESULTS Although tirabrutinib alone had modest effects on platelet activation in vitro and ex vivo, entospletinib alone efficiently inhibited washed platelet aggregation in response to collagen. However, entospletinib weakly affected platelet activation in platelet-rich plasma, in whole blood and ex vivo. Importantly, the combination of tirabrutinib and entospletinib induced a significant decrease in platelet response to collagen in vitro and ex vivo correlating with mild bleedings reported in some of the treated patients. CONCLUSION These new results should contribute to improve the safety of these targeted therapies.
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Affiliation(s)
- Jennifer Series
- Inserm, U1048, Université Toulouse 3, I2MC, Toulouse Cedex 04, France
- Laboratoire d'Hématologie CHU de Toulouse, Toulouse Cedex 04, France
| | - Agnès Ribes
- Inserm, U1048, Université Toulouse 3, I2MC, Toulouse Cedex 04, France
- Laboratoire d'Hématologie CHU de Toulouse, Toulouse Cedex 04, France
| | - Cédric Garcia
- Inserm, U1048, Université Toulouse 3, I2MC, Toulouse Cedex 04, France
- Laboratoire d'Hématologie CHU de Toulouse, Toulouse Cedex 04, France
| | - Pierre Souleyreau
- Laboratoire d'Hématologie CHU de Toulouse, Toulouse Cedex 04, France
| | - Anne Bauters
- Institut d'hématologie-transfusion, Laboratoire d'hémostase, CHU Lille, Lille, France
| | | | | | - Pierre Sié
- Inserm, U1048, Université Toulouse 3, I2MC, Toulouse Cedex 04, France
- Laboratoire d'Hématologie CHU de Toulouse, Toulouse Cedex 04, France
| | - Loïc Ysebaert
- Service d'Hématologie IUCT-oncopôle, Toulouse Cedex 09, France
| | - Bernard Payrastre
- Inserm, U1048, Université Toulouse 3, I2MC, Toulouse Cedex 04, France
- Laboratoire d'Hématologie CHU de Toulouse, Toulouse Cedex 04, France
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Litzenburger T, Steffgen J, Benediktus E, Müller F, Schultz A, Klein E, Ramanujam M, Harcken C, Gupta A, Wu J, Wiebe S, Li X, Flack M, Padula SJ, Visvanathan S, Hünnemeyer A, Hui J. Safety, pharmacokinetics and pharmacodynamics of BI 705564, a highly selective, covalent inhibitor of Bruton's tyrosine kinase, in Phase I clinical trials in healthy volunteers. Br J Clin Pharmacol 2020; 87:1824-1838. [PMID: 32986868 PMCID: PMC9290462 DOI: 10.1111/bcp.14571] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 12/15/2022] Open
Abstract
Aims To evaluate the safety, pharmacokinetics and pharmacodynamics of single‐ and multiple‐rising doses (MRDs) of BI 705564 and establish proof of mechanism. Methods BI 705564 was studied in 2 placebo‐controlled, Phase I clinical trials testing single‐rising doses (1–160 mg) and MRDs (1–80 mg) of BI 705564 over 14 days in healthy male volunteers. Blood samples were analysed for BI 705564 plasma concentration, Bruton's tyrosine kinase (BTK) target occupancy (TO) and CD69 expression in B cells stimulated ex vivo. A substudy was conducted in allergic, otherwise healthy, MRD participants. Safety was assessed in both studies. Results All doses of BI 705564 were well tolerated. Geometric mean BI 705564 plasma terminal half‐life ranged from 10.1 to 16.9 hours across tested doses, with no relevant accumulation after multiple dosing. Doses ≥20 mg resulted in ≥85% average TO that was maintained for ≥48 hours after single‐dose administration. Functional effects of BTK signalling were demonstrated by dose‐dependent inhibition of CD69 expression. In allergic participants, BI 705564 treatment showed a trend in wheal size reduction in a skin prick test and complete inhibition of basophil activation. Mild bleeding‐related adverse events were observed with BI 705564; bleeding time increased in 1/12 participants (8.3%) who received placebo vs 26/48 (54.2%) treated with BI 705564. Conclusion BI 705564 showed efficient target engagement through durable TO and inhibition of ex vivo B‐cell activation, and proof of mechanism through effects on allergic skin responses. Mild bleeding‐related adverse events were probably related to inhibition of platelet aggregation by BTK inhibition.
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Affiliation(s)
| | | | | | - Fabian Müller
- Boehringer Ingelheim Pharma GmbH & Co. KG Biberach Germany
| | - Armin Schultz
- CRS Clinical Research Services Mannheim GmbH Mannheim Germany
| | - Elliott Klein
- Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
| | | | | | - Alpana Gupta
- Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
| | - Jing Wu
- Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
| | - Sabrina Wiebe
- Boehringer Ingelheim Pharma GmbH & Co. KG Biberach Germany
| | - Xiujiang Li
- Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
| | - Mary Flack
- Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
| | | | | | | | - Jianan Hui
- Boehringer Ingelheim Pharmaceuticals Ridgefield CT USA
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34
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Biologic therapy in Sjögren's syndrome. Clin Rheumatol 2020; 40:2143-2154. [PMID: 33106929 DOI: 10.1007/s10067-020-05429-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/06/2020] [Accepted: 09/22/2020] [Indexed: 01/19/2023]
Abstract
Sjögren's syndrome (SS) is a chronic autoimmune disease with complex and diverse clinical manifestations. It is characterized by lymphocyte infiltration of exocrine glands such as the salivary gland and lacrimal gland leading to insufficient secretion of the gland, manifested as dry mouth and dry eyes. In addition, it can involve extraglandular organs and cause systemic damage. The pathogenesis of SS is still unclear. At present, symptomatic treatment is the mainstay and there is a lack of effective therapy. With the development of molecular pathways underlying the pathogenesis of SS, more and more novel biological agents are used to treat SS. We summarized and analyzed the existing evidences on the efficacy of biological treatment of SS and their targets. Analysis of the efficacy of biological therapy and improvement of treatment strategies can help to give full play to its therapeutic advantages.
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Sekiguchi N, Rai S, Munakata W, Suzuki K, Handa H, Shibayama H, Endo T, Terui Y, Iwaki N, Fukuhara N, Tatetsu H, Iida S, Ishikawa T, Shiibashi R, Izutsu K. A multicenter, open-label, phase II study of tirabrutinib (ONO/GS-4059) in patients with Waldenström's macroglobulinemia. Cancer Sci 2020; 111:3327-3337. [PMID: 32639651 PMCID: PMC7469793 DOI: 10.1111/cas.14561] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 12/17/2022] Open
Abstract
Tirabrutinib is a second-generation Bruton's tyrosine kinase inhibitor with greater selectivity than ibrutinib. Here, we conducted a multicenter, phase II study of tirabrutinib in patients with treatment-naïve (Cohort A) or with relapsed/refractory (Cohort B) Waldenström's macroglobulinemia (WM). Patients were treated with tirabrutinib 480 mg once daily. The primary endpoint was major response rate (MRR; ≥ partial response). Secondary endpoints included overall response rate (ORR; ≥ minor response), time to major response (TTMR), progression-free survival (PFS), overall survival (OS), and safety. In total, 27 patients (18 in Cohort A; 9 in Cohort B) were enrolled. The median age was 71 y, and the median serum immunoglobulin M level was 3600 mg/dL. Among the patients, 96.2% had the MYD88L265P mutation. MRR and ORR were 88.9% and 96.3%, respectively (Cohort A: MRR, 88.9%; ORR, 94.4%; Cohort B: MRR, 88.9%; ORR, 100%). Median TTMR was 1.87 mo. PFS and OS were not reached with a median follow-up of 6.5 and 8.3 mo for Cohorts A and B, respectively. The most common adverse events (AEs) were rash (44.4%), neutropenia (25.9%), and leukopenia (22.2%), with most AEs classified as grade 1 or 2. Grade ≥ 3 AEs included neutropenia (11.1%), lymphopenia (11.1%), and leukopenia (7.4%). No grade 5 AEs were noted. All bleeding events were grade 1; none were associated with drug-related atrial fibrillation or hypertension. Although the follow-up duration was relatively short, the study met the primary endpoint. Therefore, tirabrutinib monotherapy is considered to be highly effective for both untreated and relapsed/refractory WM with a manageable safety profile. (JapicCTI-173646).
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Affiliation(s)
- Naohiro Sekiguchi
- Department of HematologyNational Hospital Organization Disaster Medical CenterTachikawaJapan
| | - Shinya Rai
- Department of Hematology and RheumatologyFaculty of MedicineKindai UniversityOsakasayamaJapan
| | - Wataru Munakata
- Department of HematologyNational Cancer Center HospitalTokyoJapan
| | - Kenshi Suzuki
- Department of HematologyJapanese Red Cross Medical CenterTokyoJapan
| | - Hiroshi Handa
- Department of HematologyGunma University Graduate School of MedicineMaebashiJapan
| | - Hirohiko Shibayama
- Department of Hematology and OncologyOsaka University Graduate School of MedicineSuitaJapan
| | - Tomoyuki Endo
- Department of HematologyHokkaido University HospitalSapporoJapan
| | - Yasuhito Terui
- Department of Hematology OncologyThe Cancer Institute HospitalJapanese Foundation for Cancer ResearchTokyoJapan
| | - Noriko Iwaki
- Department of HematologyKanazawa University HospitalKanazawaJapan
| | - Noriko Fukuhara
- Department of Hematology and RheumatologyTohoku University Graduate School of MedicineSendaiJapan
| | - Hiro Tatetsu
- Department of HematologyKumamoto University HospitalKumamotoJapan
| | - Shinsuke Iida
- Department of Hematology and OncologyNagoya City University Graduate School of Medical SciencesNagoyaJapan
| | - Takayuki Ishikawa
- Department of HematologyKobe City Medical Center General HospitalKobeJapan
| | - Ryota Shiibashi
- Department of Clinical DevelopmentOno Pharmaceutical Co., LTD.OsakaJapan
| | - Koji Izutsu
- Department of HematologyNational Cancer Center HospitalTokyoJapan
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Stephens DM, Byrd JC. Next-Generation Bruton Tyrosine Kinase Inhibitors. J Clin Oncol 2020; 38:2937-2940. [PMID: 32673168 DOI: 10.1200/jco.20.01594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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Makita S, Hosoba R, Tobinai K. Safety considerations with targeted therapy drugs for B-cell non-Hodgkin lymphoma. Expert Opin Drug Saf 2020; 19:1105-1120. [PMID: 32715803 DOI: 10.1080/14740338.2020.1802424] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION B-cell non-Hodgkin lymphomas (B-NHLs) are the most frequent hematologic malignant cancers. Molecular targeted therapy is an important aspect of B-NHL treatment alongside cytotoxic chemotherapy, radiotherapy, and immunotherapy. AREAS COVERED Molecular targeted therapies have changed the landscape of treatment strategies for B-NHLs since the approval of rituximab, an anti-CD20 monoclonal antibody, by the US Food and Drug Administration in 1997. Currently, several targeted therapies have been approved or are in the later-phase of clinical trials including naked antibodies, antibody-drug conjugates, and small molecules, such as Bruton's tyrosine kinase (BTK) inhibitors, phosphatidylinositol 3-kinase (PI3 K) inhibitors, enhancer of zeste homolog 2 (EZH2) inhibitors, and B-cell lymphoma 2 (Bcl-2) inhibitors. These drugs have various toxicities because of their unique mechanisms of action. In this review, the available toxicity data of the targeted therapies for B-NHLs have been summarized. EXPERT OPINION Recent clinical developments of targeted therapies for B-NHLs have provided several useful effective therapeutic options for patients. However, there are unique toxicities that need to be resolved. It is necessary to find out the toxicity mechanism; optimal treatment strategy for these toxicities; and novel targeted therapies that might potentially overcome the toxicities of previously approved targeted therapies.
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Affiliation(s)
- Shinichi Makita
- Department of Hematology, National Cancer Center Hospital , Tokyo, Japan
| | - Rika Hosoba
- Department of Hematology, National Cancer Center Hospital , Tokyo, Japan
| | - Kensei Tobinai
- Department of Hematology, National Cancer Center Hospital , Tokyo, Japan
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Ward RA, Fawell S, Floc'h N, Flemington V, McKerrecher D, Smith PD. Challenges and Opportunities in Cancer Drug Resistance. Chem Rev 2020; 121:3297-3351. [PMID: 32692162 DOI: 10.1021/acs.chemrev.0c00383] [Citation(s) in RCA: 175] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There has been huge progress in the discovery of targeted cancer therapies in recent years. However, even for the most successful and impactful cancer drugs which have been approved, both innate and acquired mechanisms of resistance are commonplace. These emerging mechanisms of resistance have been studied intensively, which has enabled drug discovery scientists to learn how it may be possible to overcome such resistance in subsequent generations of treatments. In some cases, novel drug candidates have been able to supersede previously approved agents; in other cases they have been used sequentially or in combinations with existing treatments. This review summarizes the current field in terms of the challenges and opportunities that cancer resistance presents to drug discovery scientists, with a focus on small molecule therapeutics. As part of this review, common themes and approaches have been identified which have been utilized to successfully target emerging mechanisms of resistance. This includes the increase in target potency and selectivity, alternative chemical scaffolds, change of mechanism of action (covalents, PROTACs), increases in blood-brain barrier permeability (BBBP), and the targeting of allosteric pockets. Finally, wider approaches are covered such as monoclonal antibodies (mAbs), bispecific antibodies, antibody drug conjugates (ADCs), and combination therapies.
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Affiliation(s)
- Richard A Ward
- Medicinal Chemistry, Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Stephen Fawell
- Oncology R&D, AstraZeneca, Waltham, Massachusetts 02451, United States
| | - Nicolas Floc'h
- Bioscience, Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | - Paul D Smith
- Bioscience, Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
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Sawalha Y, Bond DA, Alinari L. Evaluating the Therapeutic Potential of Zanubrutinib in the Treatment of Relapsed/Refractory Mantle Cell Lymphoma: Evidence to Date. Onco Targets Ther 2020; 13:6573-6581. [PMID: 32753893 PMCID: PMC7351990 DOI: 10.2147/ott.s238832] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 06/26/2020] [Indexed: 12/27/2022] Open
Abstract
Mantle cell lymphoma (MCL) is an uncommon B-cell non-Hodgkin lymphoma characterized by an aggressive clinical course in the majority of patients. Despite recent improvements in outcomes, MCL remains incurable and a major therapeutic challenge. BTK inhibitors are the preferred treatment option for patients with relapsed/refractory MCL, including those unfit for chemotherapy or those with chemoresistant disease. In addition to ibrutinib and acalabrutinib, the FDA recently approved zanubrutinib for the treatment of patients with relapsed/refractory MCL based on the results of two Phase 2 clinical trials showing overall response rates of 85–87% with complete responses in 30–77% of patients. Compared with ibrutinib, zanubrutinib is more selective for BTK and has less off-target inhibition, which is thought to limit certain toxicities although direct comparative data are still lacking. This review article summarizes data from clinical trials of currently FDA-approved BTK inhibitors in MCL with a focus on zanubrutinib.
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Affiliation(s)
- Yazeed Sawalha
- Department of Internal Medicine, Division of Hematology, Arthur G. James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - David A Bond
- Department of Internal Medicine, Division of Hematology, Arthur G. James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Lapo Alinari
- Department of Internal Medicine, Division of Hematology, Arthur G. James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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Foster H, Wilson C, Philippou H, Foster R. Progress toward a Glycoprotein VI Modulator for the Treatment of Thrombosis. J Med Chem 2020; 63:12213-12242. [PMID: 32463237 DOI: 10.1021/acs.jmedchem.0c00262] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Pathogenic thrombus formation accounts for the etiology of many serious conditions including myocardial infarction, stroke, deep vein thrombosis, and pulmonary embolism. Despite the development of numerous anticoagulants and antiplatelet agents, the mortality rate associated with these diseases remains high. In recent years, however, significant epidemiological evidence and clinical models have emerged to suggest that modulation of the glycoprotein VI (GPVI) platelet receptor could be harnessed as a novel antiplatelet strategy. As such, many peptidic agents have been described in the past decade, while more recent efforts have focused on the development of small molecule modulators. Herein the rationale for targeting GPVI is summarized and the published GPVI modulators are reviewed, with particular focus on small molecules. A qualitative pharmacophore hypothesis for small molecule ligands at GPVI is also presented.
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Affiliation(s)
- Holly Foster
- School of Chemistry and Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, U.K
| | - Clare Wilson
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, U.K
| | - Helen Philippou
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, U.K
| | - Richard Foster
- School of Chemistry and Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, U.K
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Iskierka-Jażdżewska E, Robak T. Investigational treatments for chronic lymphocytic leukemia: a focus on phase 1 and 2 clinical trials. Expert Opin Investig Drugs 2020; 29:709-722. [PMID: 32407139 DOI: 10.1080/13543784.2020.1770225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Introduction: During recent years, the introduction of novel drugs, particularly small molecule inhibitors, has led to remarkable progress in both previously untreated and relapsed/refractory (RR) patients in chronic lymphocytic leukemia (CLL). However, further research is necessary to find an optimal cure that responds to the individual needs of the patient. Areas covered: This review discusses new agents in phase 1 and 2 clinical trials currently underway in CLL patients. A literature review of the MEDLINE database for articles in English concerning novel drugs, clinical trials, phase 1, phase 2 and CLL was conducted via PubMed. Publications from 2000 through January 2020 were scrutinized. Conference proceedings from the previous five years of the American Society of Hematology, European Hematology Association and American Society of Clinical Oncology were searched manually. Additional relevant publications were obtained by reviewing the references from the chosen articles. The search also included clinical trials registered in clinicaltrials.gov. Expert opinion: The use of BTK and PI3Kδ inhibitors and BCL-2 antagonist have changed the treatment strategy of CLL. Several clinical trials with novel, unapproved agents are currently ongoing. Their findings should define the role of these novel drugs in the treatment of patients with previously untreated and RR CLL.
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Affiliation(s)
| | - Tadeusz Robak
- Department of Hematology, Copernicus Memorial Hospital, Lodz, Medical University of Lodz , Lodz, Poland
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Molica S, Gianfelici V, Levato L. Emerging bruton tyrosine kinase inhibitors for chronic lymphocytic leukaemia: one step ahead ibrutinib. Expert Opin Emerg Drugs 2020; 25:25-35. [DOI: 10.1080/14728214.2020.1724282] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Stefano Molica
- Department Haematology-Oncology, Azienda Ospedaliera Pugliese-Ciaccio, Catanzaro, Italy
| | - Valentina Gianfelici
- Department Haematology-Oncology, Azienda Ospedaliera Pugliese-Ciaccio, Catanzaro, Italy
| | - Luciano Levato
- Department Haematology-Oncology, Azienda Ospedaliera Pugliese-Ciaccio, Catanzaro, Italy
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43
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Mavragani CP, Moutsopoulos HM. Sjögren's syndrome: Old and new therapeutic targets. J Autoimmun 2019; 110:102364. [PMID: 31831255 DOI: 10.1016/j.jaut.2019.102364] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 11/10/2019] [Indexed: 02/09/2023]
Abstract
Sjögren's syndrome (SS) is a prototype autoimmune disease characterized by oral and ocular mucosal dryness following chronic inflammation of salivary and lachrymal glands, respectively. Profound B cell hyperactivity along with systemic manifestations including fatigue, musculoskeletal complaints, features related to hepatic, pulmonary, renal and nervous system involvement, as well as lymphoma development can be also present. Despite that activation of both innate and adaptive immune pathways has been long well documented in SS pathogenesis, systemic immunosuppression in SS, in contrast to other autoimmune diseases, has been largely inefficacious. Biological agents previously implemented in successful therapeutic outcomes in rheumatoid arthritis (RA), such as anti-TNF agents, anakinra, tocilizumab and rituximab failed to reach primary outcomes in randomized double-blind controlled trials in the context of SS. Abatacept and belimumab, already licensed for the treatment of RA and lupus respectively, as well combination regimens of both rituximab and belimumab hold some promise in alleviation of SS-specific complaints, but data from large controlled trials are awaited. Recent advances in dissecting the molecular pathways underlying SS pathogenesis led to an expanding number of novel biological compounds directed towards type I interferon system, antigen presentation, costimulatory pathways, B and T cell activation, as well as germinal center formation. While targeting of cathepsin-S (Petesicatib), inducible costimulator of T cells ligand (prezalumab), and lymphotoxin beta receptor (baminercept) failed to fulfil the primary outcome measures, preliminary results from two randomized placebo controlled trials on CD40 blockade (Iscalimab) and B-cell activating factor receptor (Ianalumab) inhibition resulted in significant reduction of SS disease activity, with a favorable so far safety profile. Results from administration of other kinase inhibitors, a transmembrane activator and calcium-modulator and cytophilin ligand interactor TACI fusion protein (RC18), as well as low dose recombinant interleukin-2 to expand T-regulatory cells are currently awaited.
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Affiliation(s)
- Clio P Mavragani
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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Munakata W, Ando K, Hatake K, Fukuhara N, Kinoshita T, Fukuhara S, Shirasugi Y, Yokoyama M, Ichikawa S, Ohmachi K, Gion N, Aoi A, Tobinai K. Phase I study of tirabrutinib (ONO-4059/GS-4059) in patients with relapsed or refractory B-cell malignancies in Japan. Cancer Sci 2019; 110:1686-1694. [PMID: 30815927 PMCID: PMC6500982 DOI: 10.1111/cas.13983] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/06/2019] [Accepted: 02/20/2019] [Indexed: 02/01/2023] Open
Abstract
We evaluated the safety, efficacy, pharmacokinetics, pharmacodynamics and predictive biomarkers of tirabrutinib, a second-generation, enhanced-selectivity Bruton's tyrosine kinase inhibitor in Japanese patients with relapsed/refractory B-cell non-Hodgkin lymphoma (B-cell NHL) and chronic lymphocytic leukemia (CLL). This was an open-label, multicenter, phase I study. Seventeen patients (male N = 8) with a median age of 70 years were enrolled in 4 dose cohorts (160 mg once daily [N = 3], 320 mg once daily [N = 3], 480 mg once daily [N = 4] and 300 mg twice daily [N = 7]); 4 patients had continued tirabrutinib administration as of 4 January 2018. The maximum tolerated dose was not reached. Pneumonitis (N = 1) was the dose-limiting toxicity for 300 mg twice daily. Common adverse events (AEs) were rash (35.3%) and vomiting (29.4%). Eight patients (47.1%) developed grade ≥3 AEs: neutropenia (23.5%), anemia (11.8%) and leukopenia (11.8%) were frequent. The overall response rate (≥PR) was 76.5% (13/17 patients), including 4 DLBCL patients with no CD79A/B or MYD88 mutations, and 1 CLL patient with a TP53 mutation, providing promising data for future developments. Of 16 patients with measurable lesions during the screening period, 12 showed ≥50% reductions in tumor diameter. In many patients, the tumor size decreased soon after beginning treatment. The maximum serum concentration for tirabrutinib was 611, 1220, 1280 and 886 ng/mL on Day 1 and 484, 971 1940, and 961 ng/mL on Day 28 for Cohorts 1-4, respectively. Tirabrutinib pharmacokinetics were linear, with little accumulation following multiple doses. Tirabrutinib was well tolerated and showed promising efficacy for B-cell NHL/CLL.
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Affiliation(s)
- Wataru Munakata
- Department of Hematology, National Cancer Center Hospital, Tokyo, Japan
| | - Kiyoshi Ando
- Department of Hematology and Oncology, Tokai University, Isehara, Japan
| | - Kiyohiko Hatake
- Department of Hematology and Oncology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Noriko Fukuhara
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomohiro Kinoshita
- Department of Hematology and Cell Therapy, Aichi Cancer Center, Nagoya, Japan
| | - Suguru Fukuhara
- Department of Hematology, National Cancer Center Hospital, Tokyo, Japan
| | - Yukari Shirasugi
- Department of Hematology and Oncology, Tokai University, Isehara, Japan
| | - Masahiro Yokoyama
- Department of Hematology and Oncology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Satoshi Ichikawa
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ken Ohmachi
- Department of Hematology and Oncology, Tokai University, Isehara, Japan
| | - Naokazu Gion
- Department of Statistical Analysis, Ono Pharmaceutical Co., Ltd., Osaka, Japan
| | - Arata Aoi
- Department of Oncology Clinical Development Planning, Ono Pharmaceutical Co., Ltd., Osaka, Japan
| | - Kensei Tobinai
- Department of Hematology, National Cancer Center Hospital, Tokyo, Japan
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