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Amaador K, Kersten MJ, Minnema MC, Vos JMI. Treatment of relapsed and refractory Waldenstrom Macroglobulinemia. Leuk Lymphoma 2023; 64:30-41. [PMID: 36282673 DOI: 10.1080/10428194.2022.2131423] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Waldenström's Macroglobulinemia (WM) is a rare type of indolent non-Hodgkin lymphoma (NHL) that remains incurable. Several effective agents such as monoclonal antibodies (in combination with chemotherapy), Bruton's tyrosine kinase inhibitors, proteasome inhibitors, and BCL2 inhibitors are (becoming) available for the treatment of relapsed and refractory WM. There is however no consensus on a preferred treatment in the relapsed setting. Choice of therapy in relapsed WM should be individualized by taking several treatment and patients characteristics into account, such as treatment duration, toxicity, age, comorbidities and MYD88L265P and CXCR4 mutational status. Due to better understanding of WM biology and the arrival of novel anti-lymphoma agents, the therapeutic options are increasing. Non-cytotoxic and fixed duration regimens, such as those explored in other indolent NHLs should be the focus of future clinical trials in WM.
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Affiliation(s)
- Karima Amaador
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marie J Kersten
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Monique C Minnema
- Department of Hematology, University Medical Center Utrecht, University Utrecht, Utrecht, The Netherlands
| | - Josephine M I Vos
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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Fotiou D, Theodorakakou F, Kastritis E. Monoclonal antibody-based therapies for Waldenström's macroglobulinemia. Leuk Res Rep 2022; 17:100324. [PMID: 35572915 PMCID: PMC9098391 DOI: 10.1016/j.lrr.2022.100324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 05/03/2022] [Accepted: 05/05/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Despina Fotiou
- Department of Clinical Therapeutics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Foteini Theodorakakou
- Department of Clinical Therapeutics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Efstathios Kastritis
- Department of Clinical Therapeutics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
- Corresponding author.
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Sarosiek S, Treon SP, Castillo JJ. How to Sequence Therapies in Waldenström Macroglobulinemia. Curr Treat Options Oncol 2021; 22:92. [PMID: 34426943 DOI: 10.1007/s11864-021-00890-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/02/2021] [Indexed: 01/17/2023]
Abstract
OPINION STATEMENT There are multiple treatment options in patients with Waldenström macroglobulinemia, including chemotherapy, monoclonal antibodies, proteasome inhibitors, and covalent Bruton tyrosine kinase (BTK) inhibitors. The choice of therapy should take into account the patient's clinical presentation, comorbidities, and preferences. A thorough discussion should take place to outline the administration, safety, and efficacy of the regimens under consideration. The patient's genomic profile can provide insightful information for the treatment selection. In the frontline and relapsed settings, we favor ibrutinib monotherapy over chemoimmunotherapy or proteasome inhibitor-based regimens in patients with MYD88 and without CXCR4 mutations. For patients with MYD88 and CXCR4 mutations or without MYD88 or CXCR4 mutations, chemoimmunotherapy or proteasome inhibitor-based regimens are favored, but efficacy data with ibrutinib in combination with rituximab and with novel covalent BTK inhibitors are emerging. Autologous stem cell transplant should be considered in special cases in the relapsed setting. Participation in clinical trials is positively encouraged in WM patients in frontline and relapsed settings. Agents of interest include the BCL2 antagonist venetoclax, the CXCR4 inhibitor mavorixafor, and the non-covalent BTK inhibitors pirtobrutinib and ARQ-531.
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Affiliation(s)
- Shayna Sarosiek
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Ave, Mayer 221, Boston, MA, 02215, USA
| | - Steven P Treon
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Ave, Mayer 221, Boston, MA, 02215, USA
| | - Jorge J Castillo
- Bing Center for Waldenström Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Ave, Mayer 221, Boston, MA, 02215, USA.
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Despina F, Meletios Athanasios D, Efstathios K. Emerging drugs for the treatment of Waldenström macroglobulinemia. Expert Opin Emerg Drugs 2020; 25:433-444. [PMID: 32955949 DOI: 10.1080/14728214.2020.1822816] [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: 10/23/2022]
Abstract
INTRODUCTION Waldenström's Macroglobulinemia (WM) is an indolent lymphoma with uniquely distinct and heterogenous clinical and genomic profiles. Clonal lymphoplasmacytic cells secrete monoclonal IgM. More than 90% of patients harbor a mutation in MYD88 gene, leading to the constitutive activation of downstream pathways, involving BTK-mediated signaling. The use of BTK inhibitors has changed the treatment landscape of WM and has paved the way for new approaches to therapy. AREAS COVERED WM is an orphan disease and ibrutinib is the only FDA/EMA approved agent. Currently established agent combinations will be reviewed with a focus on emerging therapeutic options. These include second generation inhibitors, agents that target other molecules in the BCR signaling pathway, CXCR4 inhibitors, proteasome inhibitors and anti-CD38 antibodies. The current research goal is to establish a combination that can induce deep and durable responses with minimal associated toxicity. In addition, agents that can overcome ibrutinib resistance or act in a synergistic manner with BTKi are under investigation. EXPERT OPINION The optimal therapeutic approach for WM patients is not currently established. The question of whether a combinatory (or synergistic) regimen to overcome resistance and allow for fixed- duration treatment will allow for deep/durable responses is being addressed in ongoing clinical trials.
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Affiliation(s)
- Fotiou Despina
- Plasma Cell Dyscrasia Unit, Department of Clinical Therapeutics, National and Kapodistrian University of Athens , Athens, Greece
| | - Dimopoulos Meletios Athanasios
- Plasma Cell Dyscrasia Unit, Department of Clinical Therapeutics, National and Kapodistrian University of Athens , Athens, Greece
| | - Kastritis Efstathios
- Plasma Cell Dyscrasia Unit, Department of Clinical Therapeutics, National and Kapodistrian University of Athens , Athens, Greece
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How I treat Waldenström macroglobulinemia. Blood 2020; 134:2022-2035. [PMID: 31527073 DOI: 10.1182/blood.2019000725] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 08/07/2019] [Indexed: 12/14/2022] Open
Abstract
Waldenström macroglobulinemia (WM) is an uncommon lymphoma characterized by the infiltration of the bone marrow by clonal lymphoplasmacytic cells that produce monoclonal immunoglobulin M (IgM). The disease may have an asymptomatic phase, or patients may present with symptoms and complications resulting from marrow or other tissue infiltration, or from physicochemical or immunological properties of the monoclonal IgM. Diagnosis of WM has been clearly defined, and genetic testing for somatic mutation of MYD88L265P is a useful tool for differential diagnosis from other conditions. Specific criteria that define symptomatic disease that needs treatment offer clinical guidance. The treatment of WM has evolved rapidly, with treatment options that include anti-CD20 monoclonal antibody-based combinations and BTK inhibitors. The choice of therapy is based on the need for rapid disease control, presence of specific disease complications, and patient's age. With the use of BTK inhibitors, the use of continuous therapy has been introduced as another option over fixed-duration chemoimmunotherapy. In this review, we focus on different clinical scenarios and discuss treatment options, based on the available data.
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Abstract
Waldenstrom macroglobulinemia (WM) is a lymphoplasmacytic lymphoma that presents with symptomatic anemia, thrombocytopenia, constitutional symptoms, extramedullary disease and rarely hyperviscosity syndrome. The presence of both IgM monoclonal protein and ≥10% monoclonal lymphoplasmacytic cells is required for the diagnosis. MyD88 is present in 67-90% of patients but is not pathognomonic for WM. Many patients who fulfill the criteria of WM are asymptomatic and do not require treatment. Recent advances in the understanding of the biology of WM have paved the way for new treatment options. The use of novel agents with or without rituximab enables the use of effective chemotherapy-free regiments upfront and in the relapsed setting. New targeted treatments such as venetoclax and CXCR4 antagonists are being investigated.
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Affiliation(s)
- Iuliana Vaxman
- Division of Hematology, Mayo Clinic, Rochester, MN, USA.,Institute of Hematology, Davidoff Cancer Center, Rabin Medical Center, Petah- Tikva, Israel.,Israel Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Morie Gertz
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
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Zheng YH, Xu L, Cao C, Feng J, Tang HL, Shu MM, Gao GX, Chen XQ. Rituximab-based combination therapy in patients with Waldenström macroglobulinemia: a systematic review and meta-analysis. Onco Targets Ther 2019; 12:2751-2766. [PMID: 31043792 PMCID: PMC6469478 DOI: 10.2147/ott.s191179] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background To evaluate the efficacy and safety of rituximab-based combination therapy for Waldenström macroglobulinemia (WM), we conducted this meta-analysis by pooling the rates of overall response, major response, complete response, and grade ≥3 hematological adverse events. Methods and materials We searched for relevant studies in the databases of PubMed, Web of Science, Embase, and the Cochrane Library. The qualitative assessment of all the included articles was conducted with reference to the Newcastle–Ottawa Scale. A random-effects model was selected to perform all pooled analyses. Results We identified altogether 22 studies with a total of 806 symptomatic WM patients enrolled. The pooled analysis indicated that the rituximab-based combination therapy achieved an overall response rate (ORR) of 84% (95% CI: 81%–87%), a major response rate (MRR) of 71% (95% CI: 66%–75%), and a complete response rate (CRR) of 7% (95% CI: 5%–10%). Rituximab plus conventional alkylating agents–containing chemotherapy (subgroup A) yielded an ORR of 86% (95% CI: 81%–89%), an MRR of 74% (95% CI: 69%–79%), and a CRR of 8% (95% CI: 4%–14%). Rituximab plus purine analog (subgroup B) resulted in an ORR of 85% (95% CI: 79%–89%), an MRR of 74% (95% CI: 66%–81%), and a CRR of 9% (95% CI: 4%–15%). Rituximab plus proteasome inhibitor (subgroup C) resulted in an ORR of 86% (95% CI: 81%–90%), an MRR of 68% (95% CI: 58%–77%), and a CRR of 7% (95% CI: 3%–11%). Rituximab plus immunomodulatory drug (subgroup D) attained relatively lower response rates, with an ORR of 67% (95% CI: 51%–81%), an MRR of 56% (95% CI: 27%–83%), and a CRR of 5% (95% CI: 1%–12%). Common grade ≥3 hematological adverse events consisted of neutropenia (33%, 95% CI: 17%–52%), thrombocytopenia (7%, 95% CI: 3%–11%), and anemia (5%, 95% CI: 3%–9%). Conclusion Rituximab in combination with an alkylating agent, purine analog, or proteasome inhibitor is highly effective with tolerable hematological toxicities for WM.
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Affiliation(s)
- Yan-Hua Zheng
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Li Xu
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Chun Cao
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Juan Feng
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Hai-Long Tang
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Mi-Mi Shu
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Guang-Xun Gao
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
| | - Xie-Qun Chen
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China, ;
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Dominguez A, Kastritis E, Castillo JJ. Monoclonal Antibodies for Waldenström Macroglobulinemia. Hematol Oncol Clin North Am 2018; 32:841-852. [PMID: 30190022 DOI: 10.1016/j.hoc.2018.05.010] [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: 11/28/2022]
Abstract
For the last 2 decades, anti-CD20 monoclonal antibodies have revolutionized the treatment of patients with B-cell lymphomas. These agents have shown efficacy when used as single agents and also have improved response and survival rates when added to chemotherapy. Monoclonal antibodies are safe and effective as well in patients with Waldenström macroglobulinemia (WM). The purpose of this article is to review the mechanism of action of monoclonal antibodies and to discuss current clinical data supporting their use in patients with WM. This review focuses on retrospective and prospective studies and clinical trials on anti-CD20 antibodies, anti-CD38 antibody, and anti-CXCR4 antibody.
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Affiliation(s)
- Andres Dominguez
- Department of Internal Medicine, Fundación Valle del Lili, CES University, Cali, Colombia
| | - Efstathios Kastritis
- Department of Clinical Therapeutics, National and Kapodistrian University, Athens, Greece
| | - Jorge J Castillo
- Bing Center for Waldenstrom Macroglobulinemia, Dana-Farber Cancer Institute, Harvard Medical School, 450 Brookline Avenue, Mayer 221, Boston, MA 02215, USA.
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