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Pozzo F, Forestieri G, Vit F, Ianna G, Tissino E, Bittolo T, Papotti R, Gaglio A, Terzi di Bergamo L, Steffan A, Polesel J, Bulian P, Laureana R, Tafuri A, Chiarenza A, Di Raimondo F, Olivieri J, Zaja F, Laurenti L, Del Principe MI, Postorino M, Del Poeta G, Bomben R, Zucchetto A, Rossi D, Gattei V. Early reappearance of intraclonal proliferative subpopulations in ibrutinib-resistant chronic lymphocytic leukemia. Leukemia 2024:10.1038/s41375-024-02301-y. [PMID: 38914716 DOI: 10.1038/s41375-024-02301-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 05/29/2024] [Accepted: 05/31/2024] [Indexed: 06/26/2024]
Abstract
The Bruton's tyrosine kinase (BTK) inhibitor ibrutinib represents an effective strategy for treatment of chronic lymphocytic leukemia (CLL), nevertheless about 30% of patients eventually undergo disease progression. Here we investigated by flow cytometry the long-term modulation of the CLL CXCR4dim/CD5bright proliferative fraction (PF), its correlation with therapeutic outcome and emergence of ibrutinib resistance. By longitudinal tracking, the PF, initially suppressed by ibrutinib, reappeared upon early disease progression, without association with lymphocyte count or serum beta-2-microglobulin. Somatic mutations of BTK/PLCG2, detected in 57% of progressing cases, were significantly enriched in PF with a 3-fold greater allele frequency than the non-PF fraction, suggesting a BTK/PLCG2-mutated reservoir resident within the proliferative compartments. PF increase was also present in BTK/PLCG2-unmutated cases at progression, indicating that PF evaluation could represent a marker of CLL progression under ibrutinib. Furthermore, we evidence different transcriptomic profiles of PF at progression in cases with or without BTK/PLCG2 mutations, suggestive of a reactivation of B-cell receptor signaling or the emergence of bypass signaling through MYC and/or Toll-Like-Receptor-9. Clinically, longitudinal monitoring of the CXCR4dim/CD5bright PF by flow cytometry may provide a simple tool helping to intercept CLL progression under ibrutinib therapy.
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Affiliation(s)
- Federico Pozzo
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy.
| | - Gabriela Forestieri
- Experimental Hematology, Institute of Oncology Research, Bellinzona, 6500, Switzerland
| | - Filippo Vit
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Giulia Ianna
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Erika Tissino
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Tamara Bittolo
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Robel Papotti
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Annalisa Gaglio
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | | | - Agostino Steffan
- Immunopathology and Cancer Biomarkers, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Jerry Polesel
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Aviano, 33081, Italy
| | - Pietro Bulian
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Roberta Laureana
- Department of Biomedicine and Prevention, Hematology, University Tor Vergata, Rome, 00133, Italy
| | - Agostino Tafuri
- Hematology Unit, Azienda Ospedaliera-Universitaria Sant'Andrea, Rome, 00189, Italy
| | | | | | - Jacopo Olivieri
- Hematology Clinic, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), Udine, 33100, Italy
| | - Francesco Zaja
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, 34127, Italy
| | - Luca Laurenti
- Institute of Hematology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, 00168, Italy
| | | | - Massimiliano Postorino
- Department of Biomedicine and Prevention, Hematology, University Tor Vergata, Rome, 00133, Italy
| | - Giovanni Del Poeta
- Department of Biomedicine and Prevention, Hematology, University Tor Vergata, Rome, 00133, Italy
| | - Riccardo Bomben
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Antonella Zucchetto
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy
| | - Davide Rossi
- Experimental Hematology, Institute of Oncology Research, Bellinzona, 6500, Switzerland
| | - Valter Gattei
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, 33081, Italy.
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Nguyen TT, Thanh Nhu N, Tran VK, Van Cau N, Lin CF. Efficacy and Safety of Bruton Tyrosine Kinase Inhibitor Plus Anti-CD20 Antibody Therapy Compared With Chemoimmunotherapy as Front-line Treatment for Chronic Lymphocytic Leukemia: A Systematic Review and Meta-analysis of Randomized Controlled Trials. J Immunother 2023; 46:299-309. [PMID: 37216406 DOI: 10.1097/cji.0000000000000471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 04/08/2023] [Indexed: 05/24/2023]
Abstract
Treatment with chemoimmunotherapy (CIT) is considered an appropriate front-line treatment option for chronic lymphocytic leukemia (CLL). However, outcomes remain suboptimal. Bruton tyrosine kinase inhibitor (BTKi) combined with anti-CD20 antibody is an effective treatment for treatment-naïve, relapsed/refractory CLL patients. A systematic review and meta-analysis of randomized controlled trials was performed to compare the efficacy and safety of CIT versus BTKi + anti-CD20 antibody as front-line treatment for CLL patients. The endpoints of interest included progression-free survival (PFS), overall survival (OS), overall response rate (ORR), complete response (CR) rate, and safety. Four trials (including 1479 patients) were available as of December 2022 and fulfilled the eligibility criteria. BTKi + anti-CD20 antibody treatment significantly prolonged PFS [hazard ratio (HR), 0.25; 95% confidence interval (CI), 0.15-0.42] compared with CIT, while the combination therapy did not significantly improve OS compared with CIT (HR, 0.73; 95% CI, 0.50-1.06). We observed consistent benefits for PFS among patients with unfavorable features. Although pooled analysis indicated that the addition of BTKi to anti-CD20 antibody led to a higher ORR than CIT [risk ratio (RR), 1.16; 95% CI, 1.13-1.20], there was no difference in CR between the two arms (RR, 1.10; 95% CI, 0.27-4.55). The risk of grade ≥3 adverse effects (AE) was comparable between the two groups (RR, 1.04; 95% CI, 0.92-1.17). The BTKi + anti-CD20 antibody therapy has superior outcomes compared with CIT among patients with treatment-naïve CLL, without excess of toxicity. Future studies should compare next-generation targeted agent combinations versus CIT to determine the optimal management of CLL patients.
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Affiliation(s)
- Thi Thuy Nguyen
- International Ph.D. Program in Medicine
- Department of Oncology
| | - Nguyen Thanh Nhu
- International Ph.D. Program in Medicine
- Faculty of Medicine, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
| | - Van Khoi Tran
- International Ph.D. Program in Medicine
- Department of Surgery, Hue University of Medicine and Pharmacy, Hue University, Hue
| | | | - Chiou-Feng Lin
- Graduate Institute of Medical Sciences
- Department of Microbiology and Immunology, School of Medicine, College of Medicine
- Core Laboratory of Immune Monitoring, Office of Research & Development, Taipei Medical University, Taipei, Taiwan
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3
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Nguyen TT, Nhu NT, Tran VK, Viet-Nhi NK, Ho XD, Jhan MK, Chen YP, Lin CF. Efficacy and safety of add-on anti-CD20 monoclonal antibody to Bruton tyrosine kinase inhibitor treatment for chronic lymphocytic leukemia: a meta-analysis. Sci Rep 2023; 13:9775. [PMID: 37328530 PMCID: PMC10276018 DOI: 10.1038/s41598-023-36279-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 05/31/2023] [Indexed: 06/18/2023] Open
Abstract
The efficacy of Bruton tyrosine kinase inhibitors (BTKi) remains suboptimal in chronic lymphocytic leukemia (CLL) treatment. A systematic review and meta-analysis were conducted to compare the outcomes of combining anti-CD20 monoclonal antibodies (mAb) with BTKi therapy versus BTKi monotherapy for patients with CLL. We searched for relevant studies in the Pubmed, Medline, Embase, and Cochrane databases until December 2022. We estimated the effective results using a hazard ratio (HR) for survival outcomes and relative risk (RR) for response outcomes and safety. Four randomized controlled trials (including 1056 patients) were found until November 2022 and fulfilled the inclusion criteria. Progression-free survival was significantly improved with the addition of anti-CD20 mAb to BTKi over BTKi (HR 0.70, 95% confidence interval (CI) 0.51-0.97), whereas pooled analysis of overall survival did not favor combination therapy compared to BTKi monotherapy (HR 0.72, 95% CI 0.50-1.04). Combination therapy was related to a statistically better complete response (RR, 2.03; 95% CI 1.01 to 4.06) and an undetectable minimal residual disease rate (RR, 6.43; 95% CI 3.54 to 11.67). The risk of grade ≥ 3 adverse events was comparable between the two groups (RR, 1.08; (95% CI 0.80 to 1.45). Overall, adding anti-CD20 mAb to BTKi revealed superior efficacy than BTKi alone in untreated or previously treated CLL patients without affecting the safety of single-agent BTKi. Conducting further randomized studies to confirm our results and determine the optimal therapy for managing patients with CLL is essential.
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Affiliation(s)
- Thi Thuy Nguyen
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Department of Oncology, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | - Nguyen Thanh Nhu
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Faculty of Medicine, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
| | - Van Khoi Tran
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Department of Surgery, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | - Nguyen-Kieu Viet-Nhi
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Xuan Dung Ho
- Department of Oncology, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | - Ming-Kai Jhan
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, No. 25, Wuxing St, Xinyi District, Taipei, 110, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Ya-Ping Chen
- Division of Hematology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 704, Taiwan
| | - Chiou-Feng Lin
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, No. 25, Wuxing St, Xinyi District, Taipei, 110, Taiwan.
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan.
- Core Laboratory of Immune Monitoring, Office of Research & Development, Taipei Medical University, Taipei, 110, Taiwan.
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Yano M, Byrd JC, Muthusamy N. Natural Killer Cells in Chronic Lymphocytic Leukemia: Functional Impairment and Therapeutic Potential. Cancers (Basel) 2022; 14:cancers14235787. [PMID: 36497266 PMCID: PMC9739887 DOI: 10.3390/cancers14235787] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/07/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
Immunotherapy approaches have advanced rapidly in recent years. While the greatest therapeutic advances so far have been achieved with T cell therapies such as immune checkpoint blockade and CAR-T, recent advances in NK cell therapy have highlighted the therapeutic potential of these cells. Chronic lymphocytic leukemia (CLL), the most prevalent form of leukemia in Western countries, is a very immunosuppressive disease but still shows significant potential as a target of immunotherapy, including NK-based therapies. In addition to their antileukemia potential, NK cells are important immune effectors in the response to infections, which represent a major clinical concern for CLL patients. Here, we review the interactions between NK cells and CLL, describing functional changes and mechanisms of CLL-induced NK suppression, interactions with current therapeutic options, and the potential for therapeutic benefit using NK cell therapies.
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Affiliation(s)
- Max Yano
- Medical Science Training Program, The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - John C. Byrd
- Department of Internal Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
- Correspondence: (J.C.B.); (N.M.)
| | - Natarajan Muthusamy
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA
- Correspondence: (J.C.B.); (N.M.)
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Al-Mansour M. Treatment Landscape of Relapsed/Refractory Mantle Cell Lymphoma: An Updated Review. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2022; 22:e1019-e1031. [PMID: 36068158 DOI: 10.1016/j.clml.2022.07.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/22/2022] [Accepted: 07/29/2022] [Indexed: 06/15/2023]
Abstract
Mantle cell lymphoma (MCL) accounts for nearly 2-6% of all non-Hodgkin lymphoma (NHL) cases, with a steady incidence increase over the past few decades. Although many patients achieve an adequate response to the upfront treatment, the short duration of remission with rapid relapse is challenging during MCL management. In this regard, there is no consensus on the best treatment options for relapsed/refractory (R/R) disease, and the international guidelines demonstrate wide variations in the recommended approaches. The last decade has witnessed the introduction of new agents in the treatment landscape of R/R MCL. Since the introduction of Bruton's tyrosine kinase (BTK) inhibitors, the treatment algorithm and response of R/R MCL patients have dramatically changed. Nevertheless, BTK resistance is common, necessitating further investigations to develop novel agents with a more durable response. Novel agents targeting the B-cell receptor (BCR) signaling have exhibited clinical activity and a well-tolerable safety profile. However, as the responses to these novel agents are still modest in most clinical trials, combination strategies were investigated in pre-clinical and early clinical settings to determine whether the combination of novel agents would exhibit a better durable response than single agents. In this report, we provide an updated literature review that covers recent clinical data about the safety and efficacy of novel therapies for the management of R/R MCL.
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Affiliation(s)
- Mubarak Al-Mansour
- Adult Medical Oncology, Princess Noorah Oncology Center, Jeddah, Saudi Arabia; College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia.
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6
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Zhang Y, Liu P, Cai J, Jing H, Zou L, Huang H, Wu Y, Li W, Zhong L, Jin X, Ye X, Feng R, Zhang H, Zhang L, Lin L, Sun X, Tian Y, Xia Z, Li Z, Huang H, Xia Y, Cai Q. Ibrutinib as monotherapy versus combination therapy in Chinese patients with relapsed/refractory mantle cell lymphoma: A multicenter study. Cancer Med 2022; 11:4134-4145. [PMID: 35438258 DOI: 10.1002/cam4.4765] [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] [Received: 09/02/2021] [Revised: 02/18/2022] [Accepted: 04/09/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Ibrutinib has revolutionized the treatment of mantle cell lymphoma (MCL). Both ibrutinib monotherapy and ibrutinib-based combination therapy are important salvage options for patients with relapsed/refractory (R/R) MCL. The real-world efficacy and safety profile of the two strategies in Chinese patients with R/R MCL remain unclarified. METHODS In the present study, data of 121 R/R MCL patients who received either ibrutinib monotherapy (N = 68) or ibrutinib combination therapy (N = 53) in 13 medical centers in China were retrospectively reviewed. RESULTS With a median follow-up of 20.5 months, the overall response rate was 60.3% versus 84.9% (p = 0.003), complete remission rate was 16.2% versus 43.4% (p < 0.001), and median progression-free survival (PFS) was 18.5 months (95% confidence interval [CI], 12.1-21.8) vs. 30.8 months (95% CI, 23.5-NR) (hazard ratio, 0.53 [95% CI, 0.30-0.93]; p = 0.025), with ibrutinib monotherapy and ibrutinib-based combination therapy, respectively. Subgroup analysis showed that patients with male gender, no refractory disease, Ki67 <30%, previous line of therapy = 1, non-blastoid subtype, and the number of extranodal sites involved <2 might benefits more from the combination therapy. Treatment-emergent adverse events were similar, except for a higher incidence of all grade neutropenia in the ibrutinib combination group (12.7% vs. 32.0%, p = 0.017). CONCLUSIONS Ibrutinib combination therapy demonstrated potentially superior efficacy and comparable tolerability to ibrutinib monotherapy. Ibrutinib-based combination therapy could be one of the prominent treatment options for R/R MCL patients.
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Affiliation(s)
- Yuchen Zhang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Panpan Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Jun Cai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Hongmei Jing
- Department of Hematology, Peking University Third Hospital, Beijing, P.R. China
| | - Liqun Zou
- Department of Oncology, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Huiqiang Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Yuanbin Wu
- Department of Hematology, Guangdong Province Traditional Chinese Medical Hospital, Guangzhou, P.R. China
| | - Wenyu Li
- Division of Lymphoma, Department of Clinical Oncology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, P.R. China
| | - Liye Zhong
- Department of Hematology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, P.R. China
| | - Xueli Jin
- Department of Hematology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Xu Ye
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, P.R. China
| | - Ru Feng
- Department of Hematology, Nanfang Hospital of Nanfang Medical University, Guangzhou, P.R. China
| | - Huilai Zhang
- Department of Lymphoma, Tianjin Medical University Cancer Hospital and Institute, Tianjin, P.R. China
| | - Liling Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Lie Lin
- Department of Hematology, Hainan General Hospital, Haikou, P.R. China
| | - Xiuhua Sun
- Myeloma and Lymphoma Research Center, Second Affiliated Hospital of Dalian Medical University, Dalian, P.R. China
| | - Yuyang Tian
- Department of Hematology, Hainan Cancer Hospital, Haikou, P.R. China
| | - Zhongjun Xia
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Hematologic Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Zhiming Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - He Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Yi Xia
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Qingqing Cai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
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Egyed M, Lueff S, Borbely J, Illes A. Acalabrutinib and its use in the treatment of chronic lymphocytic leukemia. Future Oncol 2022; 18:755-769. [PMID: 35139644 DOI: 10.2217/fon-2021-0602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bruton's tyrosine kinase inhibitors have changed the treatment landscape for chronic lymphocytic leukemia (CLL), mantle cell lymphoma (MCL) and lymphoplasmacytic lymphoma dramatically. In 2019, acalabrutinib was approved by the US FDA for the treatment of treatment-naive and relapsed/refractory CLL and MCL. Acalabrutinib monotherapy was found to be effective and safe in CLL patients. In ASCEND and ELEVATE treatment-naive studies, acalabrutinib monotherapy and the combination with obinutuzumab demonstrated improved efficacy and an acceptable safety profile. The triple combination with venetoclax showed a high rate of molecular remission without an impaired safety profile. Adverse events, with an occurrence rate of >20%, were as follows: grade 1-2 myelosuppression, gastrointestinal toxicity, rash, constitutional symptoms; grade 3 or 4 toxicities were syncope, pneumonia, hypertension, atrial fibrillation, neutropenia and thrombocytopenia.
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Affiliation(s)
- Miklos Egyed
- Department of Hematology, Somogy County Moritz Kaposi General Hospital, Kaposvar, Hungary
| | - Sandor Lueff
- Department of Hematology, Somogy County Moritz Kaposi General Hospital, Kaposvar, Hungary
| | | | - Arpad Illes
- Department of Internal Medicine, University of Debrecen, Debrecen, Hungary
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8
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Markovič T, Podgornik H, Avsec D, Nabergoj S, Mlinarič-Raščan I. The Enhanced Cytotoxic Effects in B-Cell Leukemia and Lymphoma Following Activation of Prostaglandin EP4 Receptor and Targeting of CD20 Antigen by Monoclonal Antibodies. Int J Mol Sci 2022; 23:ijms23031599. [PMID: 35163524 PMCID: PMC8835876 DOI: 10.3390/ijms23031599] [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] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/21/2022] [Accepted: 01/27/2022] [Indexed: 01/25/2023] Open
Abstract
Anti-CD20 monoclonal antibodies (MAbs) have revolutionized the treatment of B-cell leukemia and lymphoma. However, many patients do not respond to such treatment due to either deficiency of the complementary immune response or resistance to apoptosis. Other currently available treatments are often inadequate or induce major side effects. Therefore, there is a constant need for improved therapies. The prostaglandin E2 receptor 4 (EP4) receptor has been identified as a promising therapeutic target for hematologic B-cell malignancies. Herein, we report that EP4 receptor agonists PgE1-OH and L-902688 have exhibited enhanced cytotoxicity when applied together with anti-CD20 MAbs rituximab, ofatumumab and obinutuzumab in vitro in Burkitt lymphoma cells Ramos, as well as in p53-deficient chronic lymphocytic leukemia (CLL) cells MEC-1. Moreover, the enhanced cytotoxic effects of EP4 receptor agonists and MAbs targeting CD20 have been identified ex vivo on primary lymphocytes B obtained from patients diagnosed with CLL. Incubation of cells with PgE1-OH and L-902688 preserved the expression of CD20 molecules, further confirming the anti-leukemic potential of EP4 receptor agonists in combination with anti-CD20 MAbs. Additionally, we demonstrated that the EP4 receptor agonist PgE-1-OH induced apoptosis and inhibited proliferation via the EP4 receptor triggering in CLL. This work has revealed very important findings leading towards the elucidation of the anticancer potential of PgE1-OH and L-902688, either alone or in combination with MAbs. This may contribute to the development of potential therapeutic alternatives for patients with B-cell malignancies.
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MESH Headings
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized/pharmacology
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antigens, CD20/immunology
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Cell Survival/drug effects
- Drug Synergism
- Gene Expression Regulation, Neoplastic/drug effects
- Heptanoic Acids/pharmacology
- Humans
- Leukemia, B-Cell/drug therapy
- Leukemia, B-Cell/metabolism
- Lymphoma, B-Cell/drug therapy
- Lymphoma, B-Cell/metabolism
- Pyrrolidinones/pharmacology
- Receptors, Prostaglandin E, EP4 Subtype/agonists
- Receptors, Prostaglandin E, EP4 Subtype/metabolism
- Rituximab/pharmacology
- Rituximab/therapeutic use
- Tetrazoles/pharmacology
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Affiliation(s)
- Tijana Markovič
- Faculty of Pharmacy, University of Ljubljana, SI-1000 Ljubljana, Slovenia; (T.M.); (H.P.); (D.A.); (S.N.)
| | - Helena Podgornik
- Faculty of Pharmacy, University of Ljubljana, SI-1000 Ljubljana, Slovenia; (T.M.); (H.P.); (D.A.); (S.N.)
- Department of Haematology, University Medical Centre Ljubljana, SI-1000 Ljubljana, Slovenia
| | - Damjan Avsec
- Faculty of Pharmacy, University of Ljubljana, SI-1000 Ljubljana, Slovenia; (T.M.); (H.P.); (D.A.); (S.N.)
| | - Sanja Nabergoj
- Faculty of Pharmacy, University of Ljubljana, SI-1000 Ljubljana, Slovenia; (T.M.); (H.P.); (D.A.); (S.N.)
| | - Irena Mlinarič-Raščan
- Faculty of Pharmacy, University of Ljubljana, SI-1000 Ljubljana, Slovenia; (T.M.); (H.P.); (D.A.); (S.N.)
- Correspondence:
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Ibrutinib plus Obinutuzumab as Frontline Therapy for Chronic Lymphocytic Leukemia Is Associated with a Lower Rate of Infusion-Related Reactions and with Sustained Remissions after Ibrutinib Discontinuation: A Single-Arm, Open-Label, Phase 1b/2 Clinical Trial NCT0231576. Adv Hematol 2022; 2022:4450824. [PMID: 35103064 PMCID: PMC8800600 DOI: 10.1155/2022/4450824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/23/2021] [Accepted: 01/04/2022] [Indexed: 12/12/2022] Open
Abstract
Ibrutinib-based therapies are costly and require continuous administration. We hypothesized combining BTK inhibition with anti-CD20 monoclonal antibodies would yield deep remissions allowing discontinuation. We enrolled 32 therapy-naïve CLL patients to receive ibrutinib plus obinutuzumab, followed by single-agent ibrutinib. Patients could discontinue ibrutinib after 36 months with sustained complete response (CR). We evaluated treatment safety, efficacy, and outcomes after ibrutinib discontinuation. The overall response rate was 100%, 28% achieved a CR, and 12.5% achieved bone marrow undetectable minimal residual disease. At a three-year median follow-up, 91% remain in remission with 100% overall survival. Five patients in sustained CR stopped ibrutinib and have not progressed. Eight non-CR patients discontinued for other reasons, with only two progressing. The treatment was safe, with a lower IRR rate. All patients responded to treatment with longer time-to-progression after discontinuation of ibrutinib. Our data support the evaluation of ibrutinib discontinuation strategies in more extensive clinical trials (https://Clinicaltrials.gov Identifier https://clinicaltrials.gov/ct2/show/NCT02315768).
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10
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Ran F, Liu Y, Wang C, Xu Z, Zhang Y, Liu Y, Zhao G, Ling Y. Review of the development of BTK inhibitors in overcoming the clinical limitations of ibrutinib. Eur J Med Chem 2021; 229:114009. [PMID: 34839996 DOI: 10.1016/j.ejmech.2021.114009] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 12/16/2022]
Abstract
Bruton's tyrosine kinase (BTK) regulates multiple important signaling pathways and plays a key role in the proliferation, survival, and differentiation of B-lineage cells and myeloid cells. BTK is a promising target for the treatment of hematologic malignancies. Ibrutinib, the first-generation BTK inhibitor, was approved to treat several B-cell malignancies. Despite the remarkable potency and efficacy of ibrutinib against various lymphomas and leukemias in the clinics, there are also some clinical limitations, such as off-target toxicities and primary/acquired drug resistance. As strategies to overcome these challenges, second- and third-generation BTK inhibitors, BTK-PROTACs, as well as combination therapies have been explored. In this review, we summarize clinical developments of the first-, second- and third-generation BTK inhibitors, as well as recent advances in BTK-PROTACs and ibrutinib-based combination therapies.
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Affiliation(s)
- Fansheng Ran
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China; Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong, 250012, PR China
| | - Yun Liu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Chen Wang
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Zhongyuan Xu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Yanan Zhang
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Yang Liu
- Department of Lymphoma and Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
| | - Guisen Zhao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong, 250012, PR China.
| | - Yong Ling
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China.
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11
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Staber PB, Jurczak W, Greil R, Vucinic V, Middeke JM, Montillo M, Munir T, Neumeister P, Schetelig J, Stilgenbauer S, Striebel F, Dirnberger-Hertweck M, Weirather J, Brugger W, Kelemen P, Wendtner CM, Woyach JA. Tafasitamab combined with idelalisib or venetoclax in patients with CLL previously treated with a BTK inhibitor. Leuk Lymphoma 2021; 62:3440-3451. [PMID: 34414843 DOI: 10.1080/10428194.2021.1964020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Patients with relapsed/refractory chronic lymphocytic leukemia (R/R CLL) whose treatment failed with a Bruton's tyrosine kinase inhibitor have poor outcomes. We investigated tafasitamab plus idelalisib (cohort A) or venetoclax (cohort B) in this patient population in a phase II study (NCT02639910). In total, 24 patients were enrolled (cohort A: n = 11, median time on study, 7.4 months; cohort B: n = 13, median time on study, 15.6 months). The most common treatment-emergent adverse event (TEAE) in cohort A was anemia (63.6%) and in cohort B was infusion-related reaction (53.8%). The most common severe TEAE was neutropenia (cohort A: 45.5%; cohort B: 46.2%). The best overall response rate was 90.9% (cohort A) and 76.9% (cohort B). Undetectable minimal residual disease in peripheral blood was achieved in 2/8 patients (cohort A) and 6/7 patients (cohort B). Overall, these results suggest that anti-CD19 antibody-based combinations may be important in the treatment of patients with CLL.
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Affiliation(s)
- Philipp Bernhard Staber
- Clinical Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria
| | - Wojciech Jurczak
- Department of Clinical Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow, Poland
| | - Richard Greil
- Laboratory for Immunological and Molecular Cancer Research, Salzburg Cancer Research Institute, Salzburg, Austria
| | - Vladan Vucinic
- Department of Hematology and Internal Oncology, University Hospital Leipzig AöR, Leipzig, Germany
| | - Jan Moritz Middeke
- Medical Clinic 1, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany
| | - Marco Montillo
- Hematology Department, Niguarda Cancer Center, Niguarda Hospital, Milan, Italy
| | - Talha Munir
- Clinical Hematology, The Leeds Teaching Hospital, Leeds, UK
| | - Peter Neumeister
- Clinical Department of Hematology, Medical University of Graz, Graz, Austria
| | - Johannes Schetelig
- Medical Clinic 1, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany
| | | | | | | | | | | | | | - Clemens-Martin Wendtner
- Department of Hematology, Oncology, Immunology, Palliative Medicine, Infectious Diseases, and Tropical Medicine, Munich Clinic Schwabing, Munich, Germany
| | - Jennifer Ann Woyach
- Division of Hematology, Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
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12
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Mateu-Albero T, Juárez-Sánchez R, Loscertales J, Mol W, Terrón F, Muñoz-Calleja C, Cuesta-Mateos C. Effect of ibrutinib on CCR7 expression and functionality in chronic lymphocytic leukemia and its implication for the activity of CAP-100, a novel therapeutic anti-CCR7 antibody. Cancer Immunol Immunother 2021; 71:627-636. [PMID: 34297159 DOI: 10.1007/s00262-021-03014-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 07/08/2021] [Indexed: 02/01/2023]
Abstract
CAP-100 is a novel therapeutic antibody directed against the ligand binding site of human CCR7. This chemokine receptor is overexpressed in chronic lymphocytic leukemia (CLL) and orchestrates the homing of CLL cells into the lymph node. Previous studies, on a very limited number of samples, hypothesized that the Bruton's tyrosine kinase inhibitor (BTKi) ibrutinib might induce loss of surface CCR7 levels in CLL cells. CAP-100 will be evaluated in clinical trials as a therapy for relapse/refractory CLL patients, who have received at least two systemic therapies (NCT04704323). As nowadays many relapse/refractory CLL patients will have received ibrutinib as a prior therapy, we aimed to investigate in a large cohort of CLL patients the impact of this BTKi on CCR7 expression and functionality as well as on the therapeutic activity of CAP-100. Our data confirm that ibrutinib moderately down-regulates the very high expression of CCR7 in CLL cells but has no apparent effect on CCR7-induced chemotaxis. Moreover, CLL cells are perfectly targetable by CAP-100 which led to a complete inhibition of CCR7-mediated migration and induced strong target cell killing through antibody-dependent cell-mediated cytotoxicity, irrespective of previous or contemporary ibrutinib administration. Together, these results validate the therapeutic utility of CAP-100 as a next-line single-agent therapy for CLL patients who failed to ibrutinib and confirm that CAP-100 and ibrutinib have complementary non-overlapping mechanisms of action, potentially allowing for combination therapy.
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Affiliation(s)
- Tamara Mateu-Albero
- Immunology Department, Hospital Universitario de La Princesa, IIS-IP, Diego de León 62, 28006, Madrid, Spain
| | - Raquel Juárez-Sánchez
- Immunology Department, Hospital Universitario de La Princesa, IIS-IP, Diego de León 62, 28006, Madrid, Spain.,IMMED S.L., Immunological and Medicinal Products, C/ Velázquez 57, 6º derecha, 28001, Madrid, Spain
| | - Javier Loscertales
- Hematology Department, Hospital Universitario de La Princesa, IIS-IP, Diego de León 62, 28006, Madrid, Spain
| | - Wim Mol
- Catapult Therapeutics, Lelystad, The Netherlands
| | - Fernando Terrón
- IMMED S.L., Immunological and Medicinal Products, C/ Velázquez 57, 6º derecha, 28001, Madrid, Spain.,Catapult Therapeutics, Lelystad, The Netherlands
| | - Cecilia Muñoz-Calleja
- Immunology Department, Hospital Universitario de La Princesa, IIS-IP, Diego de León 62, 28006, Madrid, Spain.,Medicine Faculty, Universidad Autónoma de Madrid, Madrid, Spain
| | - Carlos Cuesta-Mateos
- Immunology Department, Hospital Universitario de La Princesa, IIS-IP, Diego de León 62, 28006, Madrid, Spain. .,IMMED S.L., Immunological and Medicinal Products, C/ Velázquez 57, 6º derecha, 28001, Madrid, Spain. .,Catapult Therapeutics, Lelystad, The Netherlands.
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13
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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: 39] [Impact Index Per Article: 13.0] [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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14
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Zhong L, Li Y, Xiong L, Wang W, Wu M, Yuan T, Yang W, Tian C, Miao Z, Wang T, Yang S. Small molecules in targeted cancer therapy: advances, challenges, and future perspectives. Signal Transduct Target Ther 2021; 6:201. [PMID: 34054126 PMCID: PMC8165101 DOI: 10.1038/s41392-021-00572-w] [Citation(s) in RCA: 547] [Impact Index Per Article: 182.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 02/23/2021] [Accepted: 03/15/2021] [Indexed: 02/07/2023] Open
Abstract
Due to the advantages in efficacy and safety compared with traditional chemotherapy drugs, targeted therapeutic drugs have become mainstream cancer treatments. Since the first tyrosine kinase inhibitor imatinib was approved to enter the market by the US Food and Drug Administration (FDA) in 2001, an increasing number of small-molecule targeted drugs have been developed for the treatment of malignancies. By December 2020, 89 small-molecule targeted antitumor drugs have been approved by the US FDA and the National Medical Products Administration (NMPA) of China. Despite great progress, small-molecule targeted anti-cancer drugs still face many challenges, such as a low response rate and drug resistance. To better promote the development of targeted anti-cancer drugs, we conducted a comprehensive review of small-molecule targeted anti-cancer drugs according to the target classification. We present all the approved drugs as well as important drug candidates in clinical trials for each target, discuss the current challenges, and provide insights and perspectives for the research and development of anti-cancer drugs.
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Affiliation(s)
- Lei Zhong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, People's Republic of China
| | - Yueshan Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Liang Xiong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Wenjing Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Ming Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Ting Yuan
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, People's Republic of China
| | - Wei Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Chenyu Tian
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Zhuang Miao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Tianqi Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Shengyong Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China.
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15
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Pretreatment with ibrutinib reduces cytokine secretion and limits the risk of obinutuzumab-induced infusion-related reactions in patients with CLL: analysis from the iLLUMINATE study. Ann Hematol 2021; 100:1733-1742. [PMID: 34018029 PMCID: PMC8195966 DOI: 10.1007/s00277-021-04536-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 04/16/2021] [Indexed: 10/27/2022]
Abstract
Anti-CD20 antibody treatments, such as obinutuzumab, have been associated with infusion-related reactions (IRRs). In the phase 3 iLLUMINATE study of ibrutinib-obinutuzumab versus chlorambucil-obinutuzumab in first-line chronic lymphocytic leukemia/small lymphocytic lymphoma, IRRs were substantially reduced with ibrutinib-obinutuzumab versus chlorambucil-obinutuzumab. We prospectively analyzed inflammatory cytokines to evaluate the impact of ibrutinib on circulating cytokine levels following obinutuzumab infusion. In iLLUMINATE, ibrutinib or chlorambucil was given approximately 30-120 min before the first obinutuzumab infusion. Cytokines evaluated were IFNγ, IL-6, IL-8, IL-10, IL-18, MCP-1, MIP-1α, MIP-1β, and TNFα. Changes in peak cytokine levels from baseline (immediately before obinutuzumab) to post-obinutuzumab infusion were compared between arms and between patients with versus without IRRs using Wilcoxon rank sum test. Of 228 treated patients, 95 on ibrutinib-obinutuzumab (15 with IRRs, 80 without) and 88 on chlorambucil-obinutuzumab (45 with IRRs, 43 without) with cytokine data were included. Irrespective of IRR occurrence, median increase in cytokines was lower with ibrutinib-obinutuzumab versus chlorambucil-obinutuzumab for all cytokines (P < 0.01) except MIP-1β. Across treatment arms, post-obinutuzumab median increase in all cytokines except MIP-1β was greater in patients with versus without IRRs (P < 0.001). IL-6 and IL-8 elevations were associated with IRRs in both treatment arms. Among patients with IRRs, those receiving ibrutinib-obinutuzumab had lower post-obinutuzumab increases in IL-6, IL-8, IL-10, and MCP-1 (P < 0.04) than patients receiving chlorambucil-obinutuzumab. For patients in the ibrutinib-treatment arm, we observed a reduction in both the rate of clinically apparent IRRs and the levels of IRR-related cytokines and chemokines. This observation supports an immunomodulatory mechanism of action for ibrutinib. Clinical Trial Registration: NCT02264574.
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16
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Messex JK, Liou GY. Targeting BTK Signaling in the Microenvironment of Solid Tumors as a Feasible Cancer Therapy Option. Cancers (Basel) 2021; 13:cancers13092198. [PMID: 34063667 PMCID: PMC8124209 DOI: 10.3390/cancers13092198] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/23/2021] [Accepted: 04/30/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Protein tyrosine kinase BTK is essential for B cell maturation and proliferation. Dysregulation of BTK signaling in B cells leads to B cell lymphoma. In addition to B cells, BTK is also expressed in other types of immune cells including MDSC, dendritic cells, mast cells and macrophages, all of which comprise the tumor microenvironment in solid cancers. Although BTK inhibitors have been FDA-approved as the front-line treatment for B cell malignancy CLL/SLL, studies have been reluctant to report on BTKs role within the tumor microenvironment during solid cancer development limiting the possibility of using these BTK inhibitors as an adjuvant treatment option for solid cancers. Here, we review BTK signaling within the cells found in the tumor microenvironment as well as summarizing clinical trials using BTK inhibitors which target the tumor microenvironment in an attempt to combat solid tumors. Abstract The cell environment plays a pivotal role in determining cellular outcome, as well as cancer initiation, progression, and dissemination. Within this environment, in addition to the structural components, such as the extracellular matrix, there are various types of cells surrounding the tumor cells. Communication among these cells and the tumor cells via signaling pathways is important for tumor growth. Originally discovered in patients with immunodeficiency X-linked gammaglobulinemia, the Bruton’s tyrosine kinase (BTK) signaling pathway, known for its role in B cell maturation, is critical to cancer cell proliferation, metastasis and evasion of cancer eliminating cells. Given that BTK inhibitors have been FDA approved for chronic lymphocytic leukemia/small lymphocytic lymphoma and that the majority of BTK studies have been focused on B cells, the use of BTK inhibitors as a future treatment strategy of solid tumors has yet to be evaluated. In this review, we summarize studies analyzing BTK signaling within the cells found in the tumor microenvironment, as well as clinical trial where BTK inhibitors are currently being used to target the tumor microenvironment as a way to combat solid tumors.
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Affiliation(s)
- Justin K. Messex
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, Atlanta, GA 30314, USA;
| | - Geou-Yarh Liou
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, Atlanta, GA 30314, USA;
- Department of Biological Sciences, Clark Atlanta University, Atlanta, GA 30314, USA
- Correspondence: ; Tel.: +1-(404)-880-6981; Fax: +1-(404)-880-6756
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17
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Timofeeva N, Gandhi V. Ibrutinib combinations in CLL therapy: scientific rationale and clinical results. Blood Cancer J 2021; 11:79. [PMID: 33927183 PMCID: PMC8085243 DOI: 10.1038/s41408-021-00467-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/15/2021] [Accepted: 03/26/2021] [Indexed: 12/13/2022] Open
Abstract
Ibrutinib has revolutionized the treatment of chronic lymphocytic leukemia (CLL). This drug irreversibly inhibits Bruton tyrosine kinase (BTK) by covalently binding to the C481 residue in the BTK kinase domain. BTK is a pivotal protein for B cell receptor signaling and tissue homing of CLL cells. Preclinical investigations have established the importance of the B cell receptor pathway in the maintenance and survival of normal and malignant B cells, underscoring the importance of targeting this axis for CLL. Clinical trials demonstrated overall and progression-free survival benefit with ibrutinib in multiple CLL subgroups, including patients with relapsed or refractory disease, patients with 17p deletion, elderly patients, and treatment-naïve patients. Consequently, ibrutinib was approved by the US Food and Drug Administration for newly diagnosed and relapsed disease. Ibrutinib has transformed the treatment of CLL; however, several limitations have been identified, including low complete remission rates, development of resistance, and uncommon substantial toxicities. Further, ibrutinib must be used until disease progression, which imposes a financial burden on patients and society. These limitations were the impetus for the development of ibrutinib combinations. Four strategies have been tested in recent years: combinations of ibrutinib with immunotherapy, chemoimmunotherapy, cell therapy, and other targeted therapy. Here, we review the scientific rationale for and clinical outcome of each strategy. Among these strategies, ibrutinib with targeted agent venetoclax results in high complete response rates and, importantly, high rates of undetectable minimal residual disease. Although we concentrate here on ibrutinib, similar combinations are expected or ongoing with acalabrutinib, tirabrutinib, and zanubrutinib, second-generation BTK inhibitors. Future investigations will focus on the feasibility of discontinuing ibrutinib combinations after a defined time; the therapeutic benefit of adding a third agent to ibrutinib-containing combinations; and profiling of resistant clones that develop after combination treatment. A new standard of care for CLL is expected to emerge from these investigations.
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Affiliation(s)
- Natalia Timofeeva
- Departments of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Varsha Gandhi
- Departments of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
- Departments of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
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18
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Pavlasova G, Mraz M. The regulation and function of CD20: an "enigma" of B-cell biology and targeted therapy. Haematologica 2021; 105:1494-1506. [PMID: 32482755 PMCID: PMC7271567 DOI: 10.3324/haematol.2019.243543] [Citation(s) in RCA: 174] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 04/15/2020] [Indexed: 12/26/2022] Open
Abstract
The introduction of anti-CD20 monoclonal antibodies such as rituximab, ofatumumab, or obinutuzumab improved the therapy of B-cell malignancies even though the precise physiological role and regulation of CD20 remains unclear. Furthermore, CD20 expression is highly variable between different B-cell malignancies, patients with the same malignancy, and even between intraclonal subpopulations in an individual patient. Several epigenetic (EZH2, HDAC1/2, HDAC1/4, HDAC6, complex Sin3A-HDAC1) and transcription factors (USF, OCT1/2, PU.1, PiP, ELK1, ETS1, SP1, NFκB, FOXO1, CREM, SMAD2/3) regulating CD20 expression (encoded by MS4A1) have been characterized. CD20 is induced in the context of microenvironmental interactions by CXCR4/SDF1 (CXCL12) chemokine signaling and the molecular function of CD20 has been linked to the signaling propensity of B-cell receptor (BCR). CD20 has also been shown to interact with multiple other surface proteins on B cells (such as CD40, MHCII, CD53, CD81, CD82, and CBP). Current efforts to combine anti-CD20 monoclonal antibodies with BCR signaling inhibitors targeting BTK or PI3K (ibrutinib, acalabrutinib, idelalisib, duvelisib) or BH3-mimetics (venetoclax) lead to the necessity to better understand both the mechanisms of regulation and the biological functions of CD20. This is underscored by the observation that CD20 is decreased in response to the "BCR inhibitor" ibrutinib which largely prevents its successful combination with rituximab. Several small molecules (such as histone deacetylase inhibitors, DNA methyl-transferase inhibitors, aurora kinase A/B inhibitors, farnesyltransferase inhibitors, FOXO1 inhibitors, and bryostatin-1) are being tested to upregulate cell-surface CD20 levels and increase the efficacy of anti-CD20 monoclonal antibodies. Herein, we review the current understanding of CD20 function, and the mechanisms of its regulation in normal and malignant B cells, highlighting the therapeutic implications.
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Affiliation(s)
- Gabriela Pavlasova
- Central European Institute of Technology, Masaryk University, Brno.,Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Marek Mraz
- Central European Institute of Technology, Masaryk University, Brno .,Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic
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19
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Desai S, Mo C, Gaglione EM, Yuan CM, Stetler-Stevenson M, Tian X, Maric I, Wake L, Farooqui MZ, Drinkwater DC, Soto S, Valdez J, Hughes TE, Nierman P, Lotter J, Marti GE, Pleyer C, Sun C, Superata J, Nichols C, Herman SEM, Lindorfer MA, Taylor RP, Wiestner A, Ahn IE. Risk-adapted, ofatumumab-based chemoimmunotherapy and consolidation in treatment-naïve chronic lymphocytic leukemia: a phase 2 study. Leuk Lymphoma 2021; 62:1816-1827. [PMID: 33653216 DOI: 10.1080/10428194.2021.1888379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
High-risk cytogenetics and minimal residual disease (MRD) after chemoimmunotherapy (CIT) predict unfavorable outcome in chronic lymphocytic leukemia (CLL). This phase 2 study investigated risk-adapted CIT in treatment-naïve CLL (NCT01145209). Patients with high-risk cytogenetics received induction with fludarabine, cyclophosphamide, and ofatumumab. Those without high-risk cytogenetics received fludarabine and ofatumumab. After induction, MRD positive (MRD+) patients received 4 doses of ofatumumab consolidation. MRD negative (MRD-) patients had no intervention. Of 28 evaluable for response, all responded to induction and 10 (36%) achieved MRD-. Two-year progression-free survival (PFS) was 71.4% (CI95, 56.5-90.3%). There was no significant difference in median PFS between the high-risk and the standard-risk groups. Ofatumumab consolidation didn't convert MRD + to MRD-. In the MRD + group, we saw selective loss of CD20 antigens during therapy. In conclusion, risk-adapted CIT is feasible in treatment-naïve CLL. Ofatumumab consolidation didn't improve depth of response in MRD + patients. Loss of targetable CD20 likely reduces efficacy of consolidation therapy.
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Affiliation(s)
- Sanjal Desai
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA.,Medstar Washington Hospital Center, Washington, D.C., USA
| | - Clifton Mo
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA.,Walter Reed National Military Medical Center, Bethesda, MD, USA
| | - Erika M Gaglione
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA.,Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Constance M Yuan
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | | | - Xin Tian
- Office of Biostatistics Research, NHLBI, NIH, Bethesda, MD, USA
| | - Irina Maric
- Department of Laboratory Medicine, Clinical Research Center, NIH, Bethesda, MD, USA
| | - Laura Wake
- Department of Laboratory Medicine, Clinical Research Center, NIH, Bethesda, MD, USA
| | - Mohammed Z Farooqui
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | | | - Susan Soto
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Janet Valdez
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Thomas E Hughes
- Department of Pharmacy, Clinical Research Center, NIH, Bethesda, MD, USA
| | - Pia Nierman
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Jennifer Lotter
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Gerald E Marti
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Christopher Pleyer
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Clare Sun
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Jeanine Superata
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Cydney Nichols
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Sarah E M Herman
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Margaret A Lindorfer
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Ronald P Taylor
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Adrian Wiestner
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Inhye E Ahn
- Hematology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD, USA
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20
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Cavallini C, Galasso M, Pozza ED, Chignola R, Lovato O, Dando I, Romanelli MG, Krampera M, Pizzolo G, Donadelli M, Scupoli MT. Effects of CD20 antibodies and kinase inhibitors on B-cell receptor signalling and survival of chronic lymphocytic leukaemia cells. Br J Haematol 2020; 192:333-342. [PMID: 33216963 DOI: 10.1111/bjh.17139] [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] [Received: 03/03/2020] [Accepted: 09/09/2020] [Indexed: 01/12/2023]
Abstract
Recently, clinical trial results have established inhibitors of B-cell receptor (BCR)-associated kinase (BAKi), with or without CD20 moniclonal antibodies (mAbs), as the preferred first-line treatment for most chronic lymphocytic leukaemia (CLL) patients. Using phosphospecific flow cytometry, we showed that in leukaemic cells from CLL patients the CD20 therapeutic antibodies - rituximab, ofatumumab, and obinutuzumab - inhibited BCR signalling pathways targeting preferentially pBTKY551 - but not BTKY223 - and pAKT. On the contrary, ibrutinib and idelalisib reduced pBTKY223 to a higher extent than pBTKY551 . The strong reduction of pAKT induced by idelalisib was enhanced by its combination with rituximab or ofatumumab. Moreover, CD20 mAbs and BAKi induced the death of leukaemia cells that was significantly potentiated by their combination. Analysis of the enhancement of cell death in these combinations revealed an approximately additive enhancement induced by rituximab or obinutuzumab combined with ibrutinib or idelalisib. Taken together, our data identified negative regulatory effects of CD20 mAbs and their combinations with BAKi on BCR signalling and cell survival in CLL. In conclusion, this study advances our understanding of mechanisms of action of CD20 mAbs as single agents or in combination with BAKi and could inform on the potential of combined therapies in ongoing and future clinical trials in patients with CLL.
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Affiliation(s)
- Chiara Cavallini
- Research Center LURM (Interdepartmental Laboratory of Medical Research), University of Verona, Verona, Italy
| | - Marilisa Galasso
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Elisa Dalla Pozza
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Roberto Chignola
- Department of Biotechnology, University of Verona, Verona, Italy
| | - Ornella Lovato
- Research Center LURM (Interdepartmental Laboratory of Medical Research), University of Verona, Verona, Italy
| | - Ilaria Dando
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Maria G Romanelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Mauro Krampera
- Department of Medicine, Section of Hematology, University of Verona, Verona, Italy
| | - Giovanni Pizzolo
- Department of Medicine, Section of Hematology, University of Verona, Verona, Italy
| | - Massimo Donadelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Maria T Scupoli
- Research Center LURM (Interdepartmental Laboratory of Medical Research), University of Verona, Verona, Italy.,Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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21
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Smolej L. Skipping a step: what happened to the design of randomized clinical trials in chronic lymphocytic leukaemia? Br J Haematol 2020; 193:723-726. [PMID: 33216352 DOI: 10.1111/bjh.17215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 10/09/2020] [Indexed: 11/28/2022]
Abstract
Clinical research of chronic lymphocytic leukaemia (CLL) has been advancing at an unprecedented pace. Several randomized studies in the current era of oral targeted agents seem to have skipped one step and proceeded directly to combinations with antibodies, omitting the testing of novel-agent monotherapy. Thus, the ibrutinib + rituximab combination was used as the experimental arm in a major trial for untreated fit patients while two other trials subsequently showed that addition of rituximab to ibrutinib does not produce any meaningful benefit. Similarly, two large trials omitted venetoclax monotherapy and proceeded directly to venetoclax + rituximab or obinutuzumab versus chemoimmunotherapy. While such trials are undoubtedly cheaper, quicker and easier to manage, they leave the CLL community with uncertainty regarding the real role of the monoclonal antibody components. Thus, we are left with regimens which are undoubtedly effective, but might actually be unnecessarily toxic and expensive. The solution to this problem is simple: future randomized trials should be carefully designed in a 'step by step' fashion which would provide the CLL community with simple yet robust answers regarding efficacy of novel regimens so that these can be introduced to practice following the best principles of evidence-based medicine.
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Affiliation(s)
- Lukáš Smolej
- 4th Department of Internal Medicine -Haematology, University Hospital and Faculty of Medicine, Hradec Králové, Czech Republic
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22
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Ondrisova L, Mraz M. Genetic and Non-Genetic Mechanisms of Resistance to BCR Signaling Inhibitors in B Cell Malignancies. Front Oncol 2020; 10:591577. [PMID: 33154951 PMCID: PMC7116322 DOI: 10.3389/fonc.2020.591577] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 09/24/2020] [Indexed: 12/17/2022] Open
Abstract
The approval of BTK and PI3K inhibitors (ibrutinib, idelalisib) represents a revolution in the therapy of B cell malignancies such as chronic lymphocytic leukemia (CLL), mantle-cell lymphoma (MCL), diffuse large B cell lymphoma (DLBCL), follicular lymphoma (FL), or Waldenström's macroglobulinemia (WM). However, these "BCR inhibitors" function by interfering with B cell pathophysiology in a more complex way than anticipated, and resistance develops through multiple mechanisms. In ibrutinib treated patients, the most commonly described resistance-mechanism is a mutation in BTK itself, which prevents the covalent binding of ibrutinib, or a mutation in PLCG2, which acts to bypass the dependency on BTK at the BCR signalosome. However, additional genetic aberrations leading to resistance are being described (such as mutations in the CARD11, CCND1, BIRC3, TRAF2, TRAF3, TNFAIP3, loss of chromosomal region 6q or 8p, a gain of Toll-like receptor (TLR)/MYD88 signaling or gain of 2p chromosomal region). Furthermore, relative resistance to BTK inhibitors can be caused by non-genetic adaptive mechanisms leading to compensatory pro-survival pathway activation. For instance, PI3K/mTOR/Akt, NFkB and MAPK activation, BCL2, MYC, and XPO1 upregulation or PTEN downregulation lead to B cell survival despite BTK inhibition. Resistance could also arise from activating microenvironmental pathways such as chemokine or integrin signaling via CXCR4 or VLA4 upregulation, respectively. Defining these compensatory pro-survival mechanisms can help to develop novel therapeutic combinations of BTK inhibitors with other inhibitors (such as BH3-mimetic venetoclax, XPO1 inhibitor selinexor, mTOR, or MEK inhibitors). The mechanisms of resistance to PI3K inhibitors remain relatively unclear, but some studies point to MAPK signaling upregulation via both genetic and non-genetic changes, which could be co-targeted therapeutically. Alternatively, drugs mimicking the BTK/PI3K inhibition effect can be used to prevent adhesion and/or malignant B cell migration (chemokine and integrin inhibitors) or to block the pro-proliferative T cell signals in the microenvironment (such as IL4/STAT signaling inhibitors). Here we review the genetic and non-genetic mechanisms of resistance and adaptation to the first generation of BTK and PI3K inhibitors (ibrutinib and idelalisib, respectively), and discuss possible combinatorial therapeutic strategies to overcome resistance or to increase clinical efficacy.
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Affiliation(s)
- Laura Ondrisova
- Molecular Medicine, CEITEC Masaryk University, Brno, Czechia
- Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Marek Mraz
- Molecular Medicine, CEITEC Masaryk University, Brno, Czechia
- Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czechia
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23
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Macrophage-Mediated Antibody Dependent Effector Function in Aggressive B-Cell Lymphoma Treatment is Enhanced by Ibrutinib via Inhibition of JAK2. Cancers (Basel) 2020; 12:cancers12082303. [PMID: 32824276 PMCID: PMC7465917 DOI: 10.3390/cancers12082303] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 12/24/2022] Open
Abstract
Targeted inhibition of Bruton's Tyrosine Kinase (BTK) with ibrutinib and other agents has become important treatment options in chronic lymphocytic leukemia, Waldenström's Macroglobulinemia, Mantle cell lymphoma, and non-GCB DLBCL. Clinical trials combining small molecule inhibitors with monoclonal antibodies have been initiated at rapid pace, with the biological understanding between their synergistic interactions lagging behind. Here, we have evaluated the synergy between BTK inhibitors and monoclonal antibody therapy via macrophage mediated antibody dependent cellular phagocytosis (ADCP). Initially, we observed increased ADCP with ibrutinib, whilst second generation BTK inhibitors failed to synergistically interact with monoclonal antibody treatment. Kinase activity profiling under BTK inhibition identified significant loss of Janus Kinase 2 (JAK2) only under ibrutinib treatment. We validated this potential off-target effect via JAK inhibition in vitro as well as with CRISPR/Cas9 JAK2-/- experiments in vivo, showing increased ADCP and prolonged survival, respectively. This data supports inhibition of the JAK-STAT (Signal Transducers and Activators of Transcription) signaling pathway in B-cell malignancies in combination with monoclonal antibody therapy to increase macrophage-mediated immune responses.
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24
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Thomsen EA, Rovsing AB, Anderson MV, Due H, Huang J, Luo Y, Dybkaer K, Mikkelsen JG. Identification of BLNK and BTK as mediators of rituximab-induced programmed cell death by CRISPR screens in GCB-subtype diffuse large B-cell lymphoma. Mol Oncol 2020; 14:1978-1997. [PMID: 32585766 PMCID: PMC7463323 DOI: 10.1002/1878-0261.12753] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/15/2020] [Accepted: 06/18/2020] [Indexed: 12/19/2022] Open
Abstract
Diffuse large B‐cell lymphoma (DLBCL) is characterized by extensive genetic heterogeneity, and this results in unpredictable responses to the current treatment, R‐CHOP, which consists of a cancer drug combination supplemented with the humanized CD20‐targeting monoclonal antibody rituximab. Despite improvements in the patient response rate through rituximab addition to the treatment plan, up to 40% of DLBCL patients end in a relapsed or refractory state due to inherent or acquired resistance to the regimen. Here, we employ a lentiviral genome‐wide clustered regularly interspaced short palindromic repeats library screening approach to identify genes involved in facilitating the rituximab response in cancerous B cells. Along with the CD20‐encoding MS4A1 gene, we identify genes related to B‐cell receptor (BCR) signaling as mediators of the intracellular signaling response to rituximab. More specifically, the B‐cell linker protein (BLNK) and Bruton's tyrosine kinase (BTK) genes stand out as pivotal genes in facilitating direct rituximab‐induced apoptosis through mechanisms that occur alongside complement‐dependent cytotoxicity (CDC). Our findings demonstrate that rituximab triggers BCR signaling in a BLNK‐ and BTK‐dependent manner and support the existing notion that intertwined CD20 and BCR signaling pathways in germinal center B‐cell‐like‐subtype DLBCL lead to programmed cell death.
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Affiliation(s)
| | | | | | - Hanne Due
- Department of Hematology, Aalborg University Hospital, Denmark
| | - Jinrong Huang
- Department of Biomedicine, Aarhus University, Denmark.,Lars Bolund Institute of Regenerative Medicine, BGI-Qingdao, BGI-Shenzhen, China.,Department of Biology, University of Copenhagen, Denmark
| | - Yonglun Luo
- Department of Biomedicine, Aarhus University, Denmark.,Lars Bolund Institute of Regenerative Medicine, BGI-Qingdao, BGI-Shenzhen, China
| | - Karen Dybkaer
- Department of Hematology, Aalborg University Hospital, Denmark
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25
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George B, Mullick Chowdhury S, Hart A, Sircar A, Singh SK, Nath UK, Mamgain M, Singhal NK, Sehgal L, Jain N. Ibrutinib Resistance Mechanisms and Treatment Strategies for B-Cell lymphomas. Cancers (Basel) 2020; 12:cancers12051328. [PMID: 32455989 PMCID: PMC7281539 DOI: 10.3390/cancers12051328] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 05/17/2020] [Accepted: 05/19/2020] [Indexed: 02/03/2023] Open
Abstract
Chronic activation of B-cell receptor (BCR) signaling via Bruton tyrosine kinase (BTK) is largely considered to be one of the primary mechanisms driving disease progression in B-Cell lymphomas. Although the BTK-targeting agent ibrutinib has shown promising clinical responses, the presence of primary or acquired resistance is common and often leads to dismal clinical outcomes. Resistance to ibrutinib therapy can be mediated through genetic mutations, up-regulation of alternative survival pathways, or other unknown factors that are not targeted by ibrutinib therapy. Understanding the key determinants, including tumor heterogeneity and rewiring of the molecular networks during disease progression and therapy, will assist exploration of alternative therapeutic strategies. Towards the goal of overcoming ibrutinib resistance, multiple alternative therapeutic agents, including second- and third-generation BTK inhibitors and immunomodulatory drugs, have been discovered and tested in both pre-clinical and clinical settings. Although these agents have shown high response rates alone or in combination with ibrutinib in ibrutinib-treated relapsed/refractory(R/R) lymphoma patients, overall clinical outcomes have not been satisfactory due to drug-associated toxicities and incomplete remission. In this review, we discuss the mechanisms of ibrutinib resistance development in B-cell lymphoma including complexities associated with genomic alterations, non-genetic acquired resistance, cancer stem cells, and the tumor microenvironment. Furthermore, we focus our discussion on more comprehensive views of recent developments in therapeutic strategies to overcome ibrutinib resistance, including novel BTK inhibitors, clinical therapeutic agents, proteolysis-targeting chimeras and immunotherapy regimens.
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Affiliation(s)
- Bhawana George
- Department of Hematopathology, MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Sayan Mullick Chowdhury
- Department of Internal Medicine, the Ohio State University, Columbus, OH 43210, USA; (S.M.C.); (A.H.); (A.S.); (S.K.S.)
| | - Amber Hart
- Department of Internal Medicine, the Ohio State University, Columbus, OH 43210, USA; (S.M.C.); (A.H.); (A.S.); (S.K.S.)
| | - Anuvrat Sircar
- Department of Internal Medicine, the Ohio State University, Columbus, OH 43210, USA; (S.M.C.); (A.H.); (A.S.); (S.K.S.)
| | - Satish Kumar Singh
- Department of Internal Medicine, the Ohio State University, Columbus, OH 43210, USA; (S.M.C.); (A.H.); (A.S.); (S.K.S.)
| | - Uttam Kumar Nath
- Department of Medical Oncology & Hematology, All India Institute of Medical Sciences, Rishikesh 249203, India;
| | - Mukesh Mamgain
- Department of Biochemistry, All India Institute of Medical Sciences, Rishikesh 249203, India; (M.M.); (N.K.S.)
| | - Naveen Kumar Singhal
- Department of Biochemistry, All India Institute of Medical Sciences, Rishikesh 249203, India; (M.M.); (N.K.S.)
| | - Lalit Sehgal
- Department of Internal Medicine, the Ohio State University, Columbus, OH 43210, USA; (S.M.C.); (A.H.); (A.S.); (S.K.S.)
- Correspondence: (L.S.); (N.J.)
| | - Neeraj Jain
- Department of Medical Oncology & Hematology, All India Institute of Medical Sciences, Rishikesh 249203, India;
- Correspondence: (L.S.); (N.J.)
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26
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Rogers A, Woyach JA. BTK inhibitors and anti-CD20 monoclonal antibodies for treatment-naïve elderly patients with CLL. Ther Adv Hematol 2020; 11:2040620720912990. [PMID: 32231778 PMCID: PMC7092382 DOI: 10.1177/2040620720912990] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 02/18/2020] [Indexed: 12/31/2022] Open
Abstract
Older patients account for the majority of patients with chronic lymphocytic leukemia (CLL), and so strategies for managing CLL in this population is of upmost importance. Inhibition of Bruton’s tyrosine kinase (BTK) has been a successful therapeutic strategy in CLL, and the first-generation BTK inhibitor ibrutinib has been shown to be superior to standard chemoimmunotherapy in multiple studies specifically targeting older patients. A second-generation BTK inhibitor, acalabrutinib, has also been studied in CLL, and has recently been granted breakthrough designation by the United States Food and Drug Administration. One ongoing question is whether the addition of anti-CD20 monoclonal antibodies improve response or response durability with BTK inhibitors. In this review, we will discuss clinical trials of ibrutinib and acalabrutinib in older patients with CLL, and the possible contributions of anti-CD20 antibodies to these therapies.
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Affiliation(s)
- Andrew Rogers
- Division of Hematology, The Ohio State University, Columbus, OH, USA
| | - Jennifer A Woyach
- Division of Hematology, The Ohio State University, 410 West 10th Avenue, Columbus, OH, USA
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27
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Abstract
The standard regimen for the treatment of newly diagnosed primary CNS lymphoma (PCNSL) remains regimens that contain high-dose methotrexate (MTX). While these regimens can provide control for some patients, there is a dearth of options for the treatment of patients with PCNSL who cannot tolerate MTX-containing regimens, or whose cancers are refractory to MTX. In this article, we review a promising new option; ibrutinib, a Bruton tyrosine kinase inhibitor, for patients with relapsed and refractory PCNSL.
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Affiliation(s)
- Justin T Low
- Department of Neurosurgery, The Preston Robert Tisch Brain Tumor Center, Duke Cancer Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Katherine B Peters
- Department of Neurosurgery, The Preston Robert Tisch Brain Tumor Center, Duke Cancer Institute, Duke University Medical Center, Durham, NC 27710, USA.,Department of Neurology, The Preston Robert Tisch Brain Tumor Center, Duke Cancer Institute, Duke University Medical Center, Durham, NC 27710, USA
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28
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Anti-BAFF-R antibody VAY-736 demonstrates promising preclinical activity in CLL and enhances effectiveness of ibrutinib. Blood Adv 2020; 3:447-460. [PMID: 30737226 DOI: 10.1182/bloodadvances.2018025684] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 01/02/2019] [Indexed: 12/11/2022] Open
Abstract
The Bruton tyrosine kinase inhibitor (BTKi) ibrutinib has transformed chronic lymphocytic leukemia (CLL) therapy but requires continuous administration. These factors have spurred interest in combination treatments. Unlike with chemotherapy, CD20-directed antibody therapy has not improved the outcome of BTKi treatment. Whereas CD20 antigen density on CLL cells decreases during ibrutinib treatment, the B-cell activating factor (BAFF) and its receptor (BAFF-R) remain elevated. Furthermore, BAFF signaling via noncanonical NF-κB remains elevated with BTKi treatment. Blocking BAFF interaction with BAFF-R by using VAY-736, a humanized defucosylated engineered antibody directed against BAFF-R, antagonized BAFF-mediated apoptosis protection and signaling at the population and single-cell levels in CLL cells. Furthermore, VAY-736 showed superior antibody-dependent cellular cytotoxicity compared with CD20- and CD52-directed antibodies used in CLL. VAY-736 exhibited in vivo activity as a monotherapy and, when combined with ibrutinib, produced prolonged survival compared with either therapy alone. The in vivo activity of VAY-736 is dependent upon immunoreceptor tyrosine-based activation motif (ITAM)-mediated activation of effector cells as shown by using an ITAM-deficient mouse model. Collectively, our findings support targeting the BAFF signaling pathway with VAY-736 to more effectively treat CLL as a single agent and in combination with ibrutinib.
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29
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Destabilization of ROR1 enhances activity of Ibrutinib against chronic lymphocytic leukemia in vivo. Pharmacol Res 2020; 151:104512. [DOI: 10.1016/j.phrs.2019.104512] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/20/2019] [Accepted: 10/23/2019] [Indexed: 11/19/2022]
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30
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Understanding Inter-Individual Variability in Monoclonal Antibody Disposition. Antibodies (Basel) 2019; 8:antib8040056. [PMID: 31817205 PMCID: PMC6963779 DOI: 10.3390/antib8040056] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 12/29/2022] Open
Abstract
Monoclonal antibodies (mAbs) are currently the largest and most dominant class of therapeutic proteins. Inter-individual variability has been observed for several mAbs; however, an understanding of the underlying mechanisms and factors contributing to inter-subject differences in mAb disposition is still lacking. In this review, we analyze the mechanisms of antibody disposition and the putative mechanistic determinants of inter-individual variability. Results from in vitro, preclinical, and clinical studies were reviewed evaluate the role of the neonatal Fc receptor and Fc gamma receptors (expression and polymorphism), target properties (expression, shedding, turnover, internalization, heterogeneity, polymorphism), and the influence of anti-drug antibodies. Particular attention is given to the influence of co-administered drugs and disease, and to the physiological relevance of covariates identified by population pharmacokinetic modeling, as determinants of variability in mAb pharmacokinetics.
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31
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Tumor Metabolism as a Regulator of Tumor-Host Interactions in the B-Cell Lymphoma Microenvironment-Fueling Progression and Novel Brakes for Therapy. Int J Mol Sci 2019; 20:ijms20174158. [PMID: 31454887 PMCID: PMC6747254 DOI: 10.3390/ijms20174158] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 08/18/2019] [Accepted: 08/19/2019] [Indexed: 12/21/2022] Open
Abstract
Tumor metabolism and its specific alterations have become an integral part of understanding functional alterations leading to malignant transformation and maintaining cancer progression. Here, we review the metabolic changes in B-cell neoplasia, focusing on the effects of tumor metabolism on the tumor microenvironment (TME). Particularly, innate and adaptive immune responses are regulated by metabolites in the TME such as lactate. With steadily increasing therapeutic options implicating or utilizing the TME, it has become essential to address the metabolic alterations in B-cell malignancy for therapeutic approaches. In this review, we discuss metabolic alterations of B-cell lymphoma, consequences for currently used therapy regimens, and novel approaches specifically targeting metabolism in the TME.
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32
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Azizian NG, Liu Y, Pham LV, Li Y. Rational targeted therapeutics for double-hit lymphoma. Int J Hematol Oncol 2019; 8:IJH19. [PMID: 31850145 PMCID: PMC6912852 DOI: 10.2217/ijh-2019-0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
“Double-hit lymphomas with MYC and BCL2 translocations can be effectively treated by combined targeting of the driver oncogenes”.
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Affiliation(s)
- Nancy G Azizian
- Center for Immunotherapy Research, Houston Methodist Research Institute, Houston, TX 77030, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Yuanhui Liu
- Center for Immunotherapy Research, Houston Methodist Research Institute, Houston, TX 77030, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Lan V Pham
- Department of Hematopathology, Division of Pathology & Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yulin Li
- Center for Immunotherapy Research, Houston Methodist Research Institute, Houston, TX 77030, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
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33
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34
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Kim HO. Development of BTK inhibitors for the treatment of B-cell malignancies. Arch Pharm Res 2019; 42:171-181. [PMID: 30706214 DOI: 10.1007/s12272-019-01124-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 01/19/2019] [Indexed: 01/03/2023]
Abstract
BTK is a key component of B-cell receptor signaling and functions as an important regulator of cell proliferation and survival in B-cell malignancies. The first-in-class BTK inhibitor ibrutinib is a small molecule drug that binds covalently to BTK and has been proved to be an effective treatment for various B-cell malignancies. However, it has off-target activities on non-BTK kinases that are related to side effects or might be translated into clinical limitations, with resistance to ibrutinib also reported. Much progress has been made in the development of more selective and second-generation BTK inhibitors. A recent shift in the mechanisms of action of BTK inhibitors is noteworthy, and novel inhibitors acting through noncovalent BTK inhibition are now being developed. This review describes key characteristics of ibrutinib, including current issues of its clinical use, and summarizes preclinical properties and clinical developments of second-generation BTK inhibitors for the treatment of B-cell malignancies. A review of novel noncovalent BTK inhibitors are also included.
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Affiliation(s)
- Hyung-Ook Kim
- Department of Clinical Medicinal Sciences, Konyang University, 121 Daehakro, Nonsan, 32992, Republic of Korea.
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35
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Seegmiller AC, Hsi ED, Craig FE. The current role of clinical flow cytometry in the evaluation of mature B-cell neoplasms. CYTOMETRY PART B-CLINICAL CYTOMETRY 2018; 96:20-29. [PMID: 30549186 DOI: 10.1002/cyto.b.21756] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 10/14/2018] [Accepted: 11/15/2018] [Indexed: 12/18/2022]
Abstract
Flow cytometry (FC) has a well-established role in the diagnostic evaluation of mature B-cell neoplasms. Effective assessment for lineage associated antigens, aberrant antigen expression, and immunoglobulin light chain restriction requires a well-designed, optimized, and controlled FC assay. However, it is important for hematopathologists to know when flow cytometry has a more limited role, and other modalities, such as immunohistochemistry, cytogenetic and molecular testing, are more important. This review will discuss the features of an optimal FC assay for the evaluation of mature B-cell neoplasms, and the current role of FC in the diagnosis and sub-classification, prognostic assessment, identification of therapeutic targets, and assessment for disease response to therapy. © 2018 International Clinical Cytometry Society.
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36
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Pleyer C, Wiestner A, Sun C. Immunological changes with kinase inhibitor therapy for chronic lymphocytic leukemia. Leuk Lymphoma 2018; 59:2792-2800. [PMID: 29764250 PMCID: PMC6237652 DOI: 10.1080/10428194.2018.1457147] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 03/07/2018] [Accepted: 03/13/2018] [Indexed: 01/10/2023]
Abstract
Ibrutinib and idelalisib are kinase inhibitors that have revolutionized the treatment of chronic lymphocytic leukemia (CLL). Capable of inducing durable remissions, these agents also modulate the immune system. Both ibrutinib and idelalisib abrogate the tumor-supporting microenvironment by disrupting cell-cell interactions, modulating the T-cell compartment, and altering the cytokine milieu. Ibrutinib also partially restores T-cell and myeloid defects associated with CLL. In contrast, immune-related adverse effects, including pneumonitis, colitis, hepatotoxicity, and infections are of particular concern with idelalisib. While opportunistic infections and viral reactivations occur with both ibrutinib and idelalisib, these complications are less common and less severe with ibrutinib, especially when used as monotherapy without additional immunosuppressive agents. This review discusses the impact of ibrutinib and idelalisib on the immune system, including infectious and auto-immune complications as well as their specific effects on the B-cell, T-cell, and myeloid compartment.
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Affiliation(s)
- Christopher Pleyer
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Adrian Wiestner
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Clare Sun
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
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37
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Haseeb M, Anwar MA, Choi S. Molecular Interactions Between Innate and Adaptive Immune Cells in Chronic Lymphocytic Leukemia and Their Therapeutic Implications. Front Immunol 2018; 9:2720. [PMID: 30542344 PMCID: PMC6277854 DOI: 10.3389/fimmu.2018.02720] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 11/05/2018] [Indexed: 12/15/2022] Open
Abstract
Innate immunity constitutes the first line of host defense against various anomalies in humans, and it also guides the adaptive immune response. The function of innate immune components and adaptive immune components are interlinked in hematological malignancies including chronic lymphocytic leukemia (CLL), and molecular interactions between innate and adaptive immune components are crucial for the development, progression and the therapeutic outcome of CLL. In this leukemia, genetic mutations in B cells and B cell receptors (BCR) are key driving factors along with evasion of cytotoxic T lymphocytes and promotion of regulatory T cells. Similarly, the release of various cytokines from CLL cells triggers the protumor phenotype in macrophages that further edges the CLL cells. Moreover, under the influence of various cytokines, dendritic cells are unable to mature and trigger T cell mediated antitumor response. The phenotypes of these cells are ultimately controlled by respective signaling pathways, the most notables are BCR, Wnt, Notch, and NF-κB, and their activation affects the cytokine profile that controls the pathogenesis of CLL, and challenge its treatment. There are several novel substances for CLL under clinical development, including kinase inhibitors, antibodies, and immune-modulators that offer new hopes. DC-based vaccines and CAR T cell therapy are promising tools; however, further studies are required to precisely dissect the molecular interactions among various molecular entities. In this review, we systematically discuss the involvement, common targets and therapeutic interventions of various cells for the better understanding and therapy of CLL.
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Affiliation(s)
- Muhammad Haseeb
- Department of Molecular Science and Technology, Ajou University, Suwon, South Korea
| | - Muhammad Ayaz Anwar
- Department of Molecular Science and Technology, Ajou University, Suwon, South Korea
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, Suwon, South Korea
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38
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Karvonen H, Perttilä R, Niininen W, Barker H, Ungureanu D. Targeting Wnt signaling pseudokinases in hematological cancers. Eur J Haematol 2018; 101:457-465. [DOI: 10.1111/ejh.13137] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 07/05/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Hanna Karvonen
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Robert Perttilä
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Wilhelmiina Niininen
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Harlan Barker
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Daniela Ungureanu
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
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39
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Repetto-Llamazares AHV, Malenge MM, O'Shea A, Eiríksdóttir B, Stokke T, Larsen RH, Dahle J. Combination of177Lu-lilotomab with rituximab significantly improves the therapeutic outcome in preclinical models of non-Hodgkin's lymphoma. Eur J Haematol 2018; 101:522-531. [DOI: 10.1111/ejh.13139] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/05/2018] [Indexed: 12/13/2022]
Affiliation(s)
| | - Marion M. Malenge
- Nordic Nanovector ASA; Oslo Norway
- Department of Radiation Biology; Institute for Cancer Research; Oslo University Hospital; Oslo Norway
- Institute of Clinical Medicine; Faculty of Medicine; University of Oslo; Oslo Norway
| | | | | | - Trond Stokke
- Department of Radiation Biology; Institute for Cancer Research; Oslo University Hospital; Oslo Norway
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40
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Palma M, Krstic A, Peña Perez L, Berglöf A, Meinke S, Wang Q, Blomberg KEM, Kamali-Moghaddam M, Shen Q, Jaremko G, Lundin J, De Paepe A, Höglund P, Kimby E, Österborg A, Månsson R, Smith CIE. Ibrutinib induces rapid down-regulation of inflammatory markers and altered transcription of chronic lymphocytic leukaemia-related genes in blood and lymph nodes. Br J Haematol 2018; 183:212-224. [PMID: 30125946 DOI: 10.1111/bjh.15516] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 06/11/2018] [Indexed: 01/05/2023]
Abstract
In chronic lymphocytic leukaemia (CLL) patients, treatment with the Bruton tyrosine kinase inhibitor ibrutinib induces a rapid shift of tumour cells from lymph nodes (LN) to peripheral blood (PB). Here, we characterized in depth the dynamics of ibrutinib-induced inflammatory, transcriptional and cellular changes in different compartments immediately after treatment initiation in seven relapsed/refractory CLL patients. Serial PB and LN samples were taken before start and during the first 29 days of treatment. Changes in plasma inflammation-related biomarkers, CLL cell RNA expression, B-cell activation and migration markers expression, and PB mononuclear cell populations were assessed. A significant reduction of 10 plasma inflammation markers, the majority of which were chemokines and not CLL-derived, was observed within hours, and was paralleled by very early increase of CD19+ circulating cells. At the RNA level, significant and continuous changes in transcription factors and signalling molecules linked to B-cell receptor signalling and CLL biology was observed in both PB and LN CLL cells already after 2 days of treatment. In conclusion, ibrutinib seems to instantly shut off an ongoing inflammatory response and interfere with diverse sensitive pathways in the LN.
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Affiliation(s)
- Marzia Palma
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.,Department of Haematology, Karolinska University Hospital, Stockholm, Sweden
| | - Aleksandra Krstic
- Centre for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Lucia Peña Perez
- Centre for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Anna Berglöf
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Stephan Meinke
- Centre for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden.,Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Qing Wang
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | - Masood Kamali-Moghaddam
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Qiujin Shen
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Georg Jaremko
- Department of Pathology and Cytology, Karolinska University Hospital, Stockholm, Sweden
| | - Jeanette Lundin
- Department of Haematology, Karolinska University Hospital, Stockholm, Sweden
| | - Ayla De Paepe
- Centre for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Petter Höglund
- Centre for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden.,Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Eva Kimby
- Department of Haematology, Karolinska University Hospital, Stockholm, Sweden.,Centre for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Anders Österborg
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.,Department of Haematology, Karolinska University Hospital, Stockholm, Sweden
| | - Robert Månsson
- Department of Haematology, Karolinska University Hospital, Stockholm, Sweden.,Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - C I Edvard Smith
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
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41
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Manukyan G, Turcsanyi P, Mikulkova Z, Gabcova G, Urbanova R, Gajdos P, Smotkova Kraiczova V, Zehnalova S, Papajik T, Kriegova E. Dynamic changes in HLA-DR expression during short-term and long-term ibrutinib treatment in patients with chronic lymphocytic leukemia. Leuk Res 2018; 72:113-119. [PMID: 30149317 DOI: 10.1016/j.leukres.2018.08.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 07/11/2018] [Accepted: 08/08/2018] [Indexed: 01/01/2023]
Abstract
There is the first evidence of changes in the kinetics of B cell antigen receptor (BCR) internalisation of neoplastic cells in chronic lymphocytic leukemia (CLL) after the short-term and long-term administration of ibrutinib. We aimed to assess the influence of short-term and long-term ibrutinib treatment on the HLA-DR expression on CLL cells, T cells and monocytes. The immunophenotyping of CLL and immune cells in peripheral blood was performed on 16 high-risk CLL patients treated with ibrutinib. After early ibrutinib administration, the HLA-DR expression on CLL cells reduced (P = 0.032), accompanied by an increase in CLL cell counts in peripheral blood (P = 0.001). In vitro culturing of CLL cells with ibrutinib also revealed the reduction in the HLA-DR expression at protein and mRNA levels (P < 0.01). The decrease in HLA-DR on CLL cells after the first month was followed by the gradual increase of its expression by the 12th month (P = 0.001). A one-month follow-up resulted in elevated absolute counts of CD4+ (P = 0.002) and CD8+ (P < 0.001) T cells as well as CD4+ and CD8+ cells bearing HLA-DR (P < 0.01). The long-term administration of ibrutinib was associated with the increased numbers of CD4+ bearing HLA-DR (P = 0.006) and elevation of HLA-DR expression on all monocyte subsets (P ≤ 0.004). Our results provide the first evidence of the time-dependent immunomodulatory effect of ibrutinib on CLL and T cells and monocytes. The clinical consequences of time-dependent changes in HLA-DR expression in ibrutinib treated patients deserve further investigation.
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Affiliation(s)
- Gayane Manukyan
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic; Laboratory of Molecular and Cellular Immunology, Institute of Molecular Biology NAS RA, Yerevan, Armenia
| | - Peter Turcsanyi
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Zuzana Mikulkova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Gabriela Gabcova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Renata Urbanova
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Petr Gajdos
- Department of Computer Science, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Czech Republic
| | - Veronika Smotkova Kraiczova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Sarka Zehnalova
- Department of Computer Science, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Czech Republic
| | - Tomas Papajik
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Eva Kriegova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic.
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42
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Bordron A, Bagacean C, Mohr A, Tempescul A, Bendaoud B, Deshayes S, Dalbies F, Buors C, Saad H, Berthou C, Pers JO, Renaudineau Y. Resistance to complement activation, cell membrane hypersialylation and relapses in chronic lymphocytic leukemia patients treated with rituximab and chemotherapy. Oncotarget 2018; 9:31590-31605. [PMID: 30167081 PMCID: PMC6114972 DOI: 10.18632/oncotarget.25657] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Accepted: 06/04/2018] [Indexed: 01/27/2023] Open
Abstract
The anti-CD20-specific monoclonal antibody rituximab (RTX), in combination with chemotherapy, is commonly used for primary treatment in chronic lymphocytic leukemia (CLL). However, relapses remain important and activation of the complement pathway is one of the mechanisms by which RTX generates the destruction of B cells directly by complement-dependent cytotoxicity (CDC), or indirectly by antibody-dependent cellular phagocytosis. In this study, the RTX capacity to induce CDC was established in 69 untreated CLL patients, this cohort including 34 patients tested before the initiation of RTX-chemotherapy. In vitro CDC-resistance to RTX predicts lower response rates to RTX-chemotherapy and shorter treatment free survival. Furthermore, the predictive value of CDC-resistance was independent from the clinical, cytogenetic and FcγR3A V158F polymorphism status. In contrast, CLL cell resistance to CDC predominates in IGHV unmutated patients and was related to an important α2-6 sialyl transferase activity, which in turn increases cell surface α2-6 hypersialylation. Suspected factors associated with resistance to CDC (CD20, CD55, CD59, factor H, GM1, and sphingomyelin) were not differentially expressed or recruited between the two CLL groups. Altogether, results provide evidence that testing RTX capacity to induce CDC in vitro represents an independent predictive factor of therapeutic effects of RTX, and that α2-6 hypersialylation in CLL cells controls RTX response through the control of the complement pathway. At a time when CLL therapy is moving towards chemo-free treatments, further experiments are required to determine whether performing an initial in vitro assay to appreciate CLL CDC resistance might be useful to select patients.
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Affiliation(s)
- Anne Bordron
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France
| | - Cristina Bagacean
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France.,Laboratory of Immunology and Immunotherapy, CHRU Brest, Hôpital Morvan, Brest, France
| | - Audrey Mohr
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France
| | - Adrian Tempescul
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France.,Department of Haematology, CHRU Brest, Hôpital Morvan, Brest, France
| | - Boutahar Bendaoud
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France.,Laboratory of Immunology and Immunotherapy, CHRU Brest, Hôpital Morvan, Brest, France
| | - Stéphanie Deshayes
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France
| | - Florence Dalbies
- Department of Haematology, CHRU Brest, Hôpital Morvan, Brest, France
| | - Caroline Buors
- Laboratory of Haematology, CHRU Brest, Hôpital Morvan, Brest, France
| | - Hussam Saad
- Department of Haematology, CHRU Brest, Hôpital Morvan, Brest, France
| | - Christian Berthou
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France.,Department of Haematology, CHRU Brest, Hôpital Morvan, Brest, France
| | - Jacques-Olivier Pers
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France
| | - Yves Renaudineau
- U1227 B Lymphocytes and Autoimmunity, Université de Brest, INSERM, IBSAM, Labex IGO, Networks IC-CGO and REpiCGO from 'Canceropole Grand Ouest, Brest, France.,Laboratory of Immunology and Immunotherapy, CHRU Brest, Hôpital Morvan, Brest, France
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43
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Ou YC, Li JR, Wang JD, Chen WY, Kuan YH, Yang CP, Liao SL, Lu HC, Chen CJ. Aspirin restores ABT-737-mediated apoptosis in human renal carcinoma cells. Biochem Biophys Res Commun 2018; 502:187-193. [PMID: 29792865 DOI: 10.1016/j.bbrc.2018.05.142] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 05/19/2018] [Indexed: 02/01/2023]
Abstract
Aspirin is a novel chemopreventive agent against malignancy. However, outcomes of aspirin monotherapy of renal cell carcinoma (RCC) are inconsistent across studies. ABT-737, an BH3 mimetic inhibitor, is also a promising antitumor drug. Cancer cells including those from RCC, that have high levels of Mcl-1, are refractory to ABT-737-induced apoptosis. We here investigated how aspirin treatment modulates the ABT-737-induced apoptosis. Using the in vitro model of human 786-O cells, we showed that aspirin had sensitized cells to ABT-737 induced apoptosis. Such aspirin-induced changes of ABT-737 resistance was accompanied by a host of biochemical events like protein phosphatase 2A (PP2A) activation, AKT dephosphorylation, Mcl-1/FLICE inhibiting protein (FLIP)/XIAP downregulation, and Bax mitochondrial redistribution. The PP2A inhibitor, okadaic acid, was able to reverse the apirin-induced apoptotic changes. Apart from the aspirin treatment, Mcl-1 silencing also rendered cells vulnerable to ABT-737 induced apoptosis. Since PP2A, Akt, and Mcl-1 play critical roles in RCC malignancy and treatment resistance, our present study showed that aspirin, an alternative adjuvant agent, had recalled ABT-737 sensitivity in the RCC cells through processes involving the PP2A/Akt/Mcl-1 axis.
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Affiliation(s)
- Yen-Chuan Ou
- Department of Urology, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan
| | - Jian-Ri Li
- Division of Urology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Jiaan-Der Wang
- Department of Pediatrics & Child Health Care, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Wen-Ying Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan
| | - Ching-Ping Yang
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Su-Lan Liao
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Hsi-Chi Lu
- Food Science Department and Graduate Institute, Tunghai University, Taichung, Taiwan
| | - Chun-Jung Chen
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan.
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44
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Jerkeman M, Eskelund CW, Hutchings M, Räty R, Wader KF, Laurell A, Toldbod H, Pedersen LB, Niemann CU, Dahl C, Kuitunen H, Geisler CH, Grønbæk K, Kolstad A. Ibrutinib, lenalidomide, and rituximab in relapsed or refractory mantle cell lymphoma (PHILEMON): a multicentre, open-label, single-arm, phase 2 trial. LANCET HAEMATOLOGY 2018; 5:e109-e116. [PMID: 29396091 DOI: 10.1016/s2352-3026(18)30018-8] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 12/06/2017] [Accepted: 12/06/2017] [Indexed: 12/25/2022]
Abstract
BACKGROUND Regimens based on ibrutinib alone and lenalidomide and rituximab in combination show high activity in patients with relapsed or refractory mantle cell lymphoma. We hypothesised that the combination of all three drugs would improve efficacy compared with previously published data on either regimen alone. METHODS In this multicentre, open-label, single-arm, phase 2 trial, we enrolled patients aged 18 years or older with relapsed or refractory mantle cell lymphoma who had previously been treated with at least one rituximab-containing regimen, an Eastern Cooperative Oncology Group performance status score of 0-3, and at least one site of measurable disease, and who met criteria for several laboratory-assessed parameters. Treatment was divided into an induction phase of 12 cycles of 28 days with all three drugs and a maintenance phase with ibrutinib and rituximab only (cycle duration 56 days), given until disease progression or unacceptable toxicity. In the induction phase, patients received intravenous (375 mg/m2) or subcutaneous (1400 mg) rituximab once a week during cycle 1 and then once every 8 weeks. Oral ibrutinib (560 mg once a day) was given to patients every day in the cycle, whereas oral lenalidomide (15 mg once a day) was given on days 1-21. The primary endpoint was overall response assessed in the intention-to-treat population according to Lugano criteria. Safety analysis included all patients who received the treatment, irrespective of eligibility or duration of treatment. The trial is ongoing, but is no longer accruing patients, and is registered with ClinicalTrials.gov, number NCT02460276. FINDINGS Between April 30, 2015, and June 1, 2016, we enrolled 50 patients with relapsed or refractory mantle cell lymphoma at ten centres in Sweden, Finland, Norway, and Denmark. At a median follow-up of 17·8 months (IQR 14·7-20·9), 38 (76%, 95% CI 63-86) patients had an overall response, including 28 (56%, 42-69) patients who had a complete response and ten (20%, 11-33) who had a partial response. The most common grade 3-4 adverse events were neutropenia (in 19 [38%] of 50 patients), infections (in 11 [22%] patients), and cutaneous toxicity (in seven [14%] patients). There were three treatment-related deaths during the study, two due to sepsis and one due to embolic stroke. INTERPRETATION Our results provide preliminary evidence that the triplet combination of ibrutinib, lenalidomide, and rituximab is an active regimen in patients with relapsed or refractory mantle cell lymphoma, and should be evaluated in a prospective randomised controlled trial. FUNDING Janssen and Celgene.
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Affiliation(s)
- Mats Jerkeman
- Department of Oncology, Institute of Clinical Sciences, Lund University and Skane University Hospital, Lund, Sweden.
| | - Christian Winther Eskelund
- Department of Haematology, Rigshospitalet, Copenhagen, Denmark; Biotech Research and Innovation Centre, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Martin Hutchings
- Department of Haematology, Rigshospitalet, Copenhagen, Denmark; Biotech Research and Innovation Centre, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Riikka Räty
- Department of Haematology, Helsinki University Hospital, Helsinki, Finland
| | - Karin Fahl Wader
- Department of Oncology, St Olav University Hospital, Trondheim, Norway
| | - Anna Laurell
- Department of Oncology, Akademiska University Hospital, Uppsala, Sweden
| | - Helle Toldbod
- Clinical Trial Office, Department of Haematology, Aarhus University Hospital, Aarhus, Denmark
| | - Lone Bredo Pedersen
- Department of Haematology, Rigshospitalet, Copenhagen, Denmark; Biotech Research and Innovation Centre, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Carsten Utoft Niemann
- Department of Haematology, Rigshospitalet, Copenhagen, Denmark; Biotech Research and Innovation Centre, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christina Dahl
- Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Hanne Kuitunen
- Department of Oncology, Oulu University Hospital, Oulu, Finland
| | - Christian H Geisler
- Department of Haematology, Rigshospitalet, Copenhagen, Denmark; Biotech Research and Innovation Centre, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kirsten Grønbæk
- Department of Haematology, Rigshospitalet, Copenhagen, Denmark; Biotech Research and Innovation Centre, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Arne Kolstad
- Department of Oncology, Oslo University Hospital, Oslo, Norway
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Itchaki G, Brown JR. Experience with ibrutinib for first-line use in patients with chronic lymphocytic leukemia. Ther Adv Hematol 2018; 9:3-19. [PMID: 29317997 PMCID: PMC5753924 DOI: 10.1177/2040620717741861] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 10/17/2017] [Indexed: 01/17/2023] Open
Abstract
Ibrutinib is the first in-class, orally administered, Bruton's tyrosine kinase (BTK) inhibitor that abrogates the critical signaling downstream of the B-cell receptor (BCR). This signaling is required for B-cell survival, proliferation and interaction with the microenvironment. Ibrutinib proved active in preclinical models of lymphoproliferative diseases and achieved impressive response rates in heavily pretreated relapsed and refractory (R/R) patients with chronic lymphocytic leukemia (CLL). Ibrutinib prolonged survival compared to standard therapy and mitigated the effect of most poor prognostic factors in CLL, thus becoming the main therapeutic option in high-risk populations. Moreover, compared with standard chemoimmunotherapy (CIT) for adults, ibrutinib causes fewer cytopenias and infections, while having its own unique toxicity profile. Its efficacy in relapsed patients as well as its tolerability have led to its increased use in previously untreated patients, especially in those with poor prognostic markers and/or the elderly. This review elaborates on ibrutinib's unique toxicity profile and the mechanisms of acquired resistance leading to progression on ibrutinib, since both are critical for understanding the obstacles to its first-line use. We will further evaluate the data from ongoing clinical trials in this setting and explore future options for combination therapy.
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Aw A, Brown JR. Current Status of Bruton's Tyrosine Kinase Inhibitor Development and Use in B-Cell Malignancies. Drugs Aging 2017; 34:509-527. [PMID: 28536906 DOI: 10.1007/s40266-017-0468-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The B-cell receptor (BCR) pathway plays an important role in the survival, proliferation and trafficking of cancer cells in a variety of B-cell malignancies. Recently, a number of agents have been developed to target various components of the BCR pathway. One such target is Bruton's tyrosine kinase (BTK), a Tec family kinase member found near the cell membrane that is involved in upstream BCR signaling. The biological function of BTK in several B-cell lymphoid malignancies has led to the development of the oral BTK inhibitor ibrutinib. In chronic lymphocytic leukemia (CLL), ibrutinib has demonstrated durable clinical responses in relapsed/refractory (R/R) patients, including those with the high-risk del(17p) cytogenetic abnormality. These findings have paved the way for trials evaluating ibrutinib in previously untreated CLL patients, and also in combination with chemoimmunotherapy or other novel agents. Durable clinical responses have also been demonstrated in mantle cell lymphoma (MCL) and Waldenström's macroglobulinemia (WM) patients treated with ibrutinib. Ibrutinib is generally well tolerated, although current follow-up remains short and patients of advanced age are more likely to discontinue treatment for toxicity. Treatment-specific side effects such as bleeding and atrial fibrillation may, at least partly, be related to off-target inhibition of non-BTK kinases. Studies evaluating other potential indications for BTK inhibition are ongoing, including in post-allogeneic hematopoietic stem cell transplant patients for whom ibrutinib may be effective in modulating graft-versus-host disease. Combination trials of ibrutinib with venetoclax, a Bcl-2 inhibitor, are underway and are supported by sound preclinical rationale. Several next-generation BTK inhibitors are under development with the goal of decreasing treatment-related toxicity and resistance.
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Affiliation(s)
- Andrew Aw
- Division of Hematology, Department of Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Jennifer R Brown
- CLL Center and Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Avenue, Boston, MA, 02215, USA.
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Robak P, Robak T. Novel synthetic drugs currently in clinical development for chronic lymphocytic leukemia. Expert Opin Investig Drugs 2017; 26:1249-1265. [PMID: 28942659 DOI: 10.1080/13543784.2017.1384814] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Over the last few years, several new synthetic drugs, particularly Bruton's tyrosine kinase (BTK), phosphatidylinositol 3-kinase (PI3K) and BCL-2 inhibitors have been developed and investigated in chronic lymphocytic leukemia (CLL). Areas covered: This review highlights key aspects of BTK, PI3K and BCL-2 inhibitors that are currently at various stages of preclinical and clinical development in CLL. A literature review of the MEDLINE database for articles in English concerning CLL, B-cell receptor, BCL-2 antagonists, BTK inhibitors and PI3K inhibitors, was conducted via PubMed. Publications from 2000 through July 2017 were scrutinized. The search terms used were acalabrutinib, ACP-196, BGB-3111, ONO-4059, GS-4059, duvelisib, IPI-145, TGR-1202, copanlisib, Bay 80-6946, buparlisib, BKM-120, BCL-2 inhibitors, venetoclax, ABT-263, navitoclax, CDK inhibitors, alvocidib, flavopiridol, dinaciclib, SCH 727,965, palbociclib, PD-0332991, in conjunction with CLL. Conference proceedings from the previous five years of the ASH and EHA Annual Scientific Meetings were searched manually. Additional relevant publications were obtained by reviewing the references from the chosen articles. Expert opinion: The use of new synthetic drugs is a promising strategy for the treatment of CLL. Data from ongoing and future clinical trials will aid in better defining the status of new drugs in the treatment of CLL.
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Affiliation(s)
- Pawel Robak
- a Department of Experimental Hematology , Medical University of Lodz , Lodz , Poland
| | - Tadeusz Robak
- b Department of Hematology , Medical University of Lodz , Lodz , Poland
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Puła A, Stawiski K, Braun M, Iskierka-Jażdżewska E, Robak T. Efficacy and safety of B-cell receptor signaling pathway inhibitors in relapsed/refractory chronic lymphocytic leukemia: a systematic review and meta-analysis of randomized clinical trials. Leuk Lymphoma 2017; 59:1084-1094. [DOI: 10.1080/10428194.2017.1375101] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Anna Puła
- Department of Hematology, Medical University of Lodz, Copernicus Memorial Hospital, Lodz, Poland
| | - Konrad Stawiski
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland
| | - Marcin Braun
- Department of Pathology, Chair of Oncology, Medical University of Lodz, Lodz, Poland
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland
| | | | - Tadeusz Robak
- Department of Hematology, Medical University of Lodz, Copernicus Memorial Hospital, Lodz, Poland
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Winqvist M, Palma M, Heimersson K, Mellstedt H, Österborg A, Lundin J. Dual targeting of Bruton tyrosine kinase and CD52 induces minimal residual disease-negativity in the bone marrow of poor-prognosis chronic lymphocytic leukaemia patients but is associated with opportunistic infections - Results from a phase I study. Br J Haematol 2017; 182:590-594. [PMID: 28677818 DOI: 10.1111/bjh.14836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Maria Winqvist
- Department of Hematology, Karolinska University Hospital, Stockholm, Sweden.,Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Marzia Palma
- Department of Hematology, Karolinska University Hospital, Stockholm, Sweden.,Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Kia Heimersson
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Håkan Mellstedt
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Anders Österborg
- Department of Hematology, Karolinska University Hospital, Stockholm, Sweden.,Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Jeanette Lundin
- Department of Hematology, Karolinska University Hospital, Stockholm, Sweden.,Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
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Bagacean C, Zdrenghea M, Tempescul A, Cristea V, Renaudineau Y. Anti-CD20 monoclonal antibodies in chronic lymphocytic leukemia: from uncertainties to promises. Immunotherapy 2017; 8:569-81. [PMID: 27140410 DOI: 10.2217/imt-2015-0015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Over the last two decades, anti-CD20 monoclonal antibody (mAb) therapy has improved patient outcome in B-cell malignancies, and confirmed CD20 as an important target in chronic lymphocytic leukemia (CLL). Until recently, the gold standard was based on the utilization of rituximab combined with chemotherapy (fludarabine and cyclophosphamide), but patients often relapse. Next, with our better understanding of mAb engineering, anti-CD20 mAb therapy has evolved with the development of new mAb permitting significant clinical responses by improving pharmacokinetics, safety, activity and immunogenicity. Last but not least, the development of key tumoral tyrosine kinase inhibitors and their association with anti-CD20 mAb is a work in progress with promising results.
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Affiliation(s)
- Cristina Bagacean
- Research Unit INSERM ESPRI, ERI29/EA2216 Immunotherapy & B Cell Diseases, Réseau épigénétique et Réseau canaux ioniques du Cancéropôle Grand Ouest, Labex IGO, European University of Brittany, Brest, France.,'Iuliu Hatieganu' University of Medicine & Pharmacy, 8 Babes Street, 400012, Cluj-Napoca, Romania
| | - Mihnea Zdrenghea
- 'Iuliu Hatieganu' University of Medicine & Pharmacy, 8 Babes Street, 400012, Cluj-Napoca, Romania.,'Ion Chiricuta' Institute of Oncology, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania
| | - Adrian Tempescul
- Research Unit INSERM ESPRI, ERI29/EA2216 Immunotherapy & B Cell Diseases, Réseau épigénétique et Réseau canaux ioniques du Cancéropôle Grand Ouest, Labex IGO, European University of Brittany, Brest, France.,Department of Hematology, CHRU Morvan, Brest, France
| | - Victor Cristea
- 'Iuliu Hatieganu' University of Medicine & Pharmacy, 8 Babes Street, 400012, Cluj-Napoca, Romania
| | - Yves Renaudineau
- Research Unit INSERM ESPRI, ERI29/EA2216 Immunotherapy & B Cell Diseases, Réseau épigénétique et Réseau canaux ioniques du Cancéropôle Grand Ouest, Labex IGO, European University of Brittany, Brest, France.,Laboratory of Immunology & Immunotherapy, CHRU Morvan, Brest, France
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