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Rose CJ, Ohm IK, Giske L, Næss GE, Fretheim A. Effect modification in network meta-analyses for relapsed/refractory multiple myeloma: systematic review and meta-analysis. BMJ Open 2023; 13:e067966. [PMID: 37643851 PMCID: PMC10465906 DOI: 10.1136/bmjopen-2022-067966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 08/01/2023] [Indexed: 08/31/2023] Open
Abstract
OBJECTIVES To systematically review and meta-analyse the evidence for effect modification by refractory status and number of treatment lines in relapsed/refractory multiple myeloma (RRMM); and to assess whether effect modification is likely to invalidate network meta-analyses (NMA) that assume negligible modification. DESIGN Systematic review, meta-analysis and simulation. DATA SOURCES We systematically searched the literature (e.g., OVID Medline) to identify eligible publications in February 2020 and regularly updated the search until January 2022. We also contacted project stakeholders (including industry) ELIGIBILITY CRITERIA: Phase 2 and 3 randomised controlled trials reporting stratified estimates for comparisons with at least one of a prespecified set of treatments relevant for use in Norwegian RRMM patients. OUTCOMES We used meta-analysis to estimate relative HRs (RHRs) for overall survival (OS) and progression-free survival (PFS) with respect to refractory status and number of treatment lines. We used the estimated RHRs in simulations to estimate the percentage of NMA results expected to differ significantly in the presence versus absence of effect modification. RESULTS Among the 42 included publications, stratified estimates were published by and extracted from up to 18 (43%) publications and on as many as 8364 patients. Within-study evidence for effect modification is very weak (p>0.05 for 47 of 49 sets of stratified estimates). The largest RHR estimated was 1.32 (95% CI 1.18 to 1.49) for the modifying effect of refractory status on HR for PFS. Simulations suggest that, in the worst case, this would result in only 4.48% (95% CI 4.42% to 4.54%) of NMA estimates differing statistically significantly in the presence versus absence of effect modification. CONCLUSIONS Based on the available evidence, effect modification appears to be sufficiently small that it can be neglected in adequately performed NMAs. NMAs can probably be relied on to provide estimates of HRs for OS and PFS in RRMM, subject to caveats discussed herein.
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Affiliation(s)
- Christopher James Rose
- Reviews and Health Technology Assessments, Norwegian Institute of Public Health, Oslo, Norway
- Center for Epidemic Interventions Research, Norwegian Institute of Public Health, Oslo, Norway
| | - Ingrid Kristine Ohm
- Reviews and Health Technology Assessments, Norwegian Institute of Public Health, Oslo, Norway
| | - Liv Giske
- Reviews and Health Technology Assessments, Norwegian Institute of Public Health, Oslo, Norway
| | - Gunn Eva Næss
- Reviews and Health Technology Assessments, Norwegian Institute of Public Health, Oslo, Norway
| | - Atle Fretheim
- Center for Epidemic Interventions Research, Norwegian Institute of Public Health, Oslo, Norway
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Dimopoulos MA, Moreau P, Augustson B, Castro N, Pika T, Delimpasi S, De la Rubia J, Maiolino A, Reiman T, Martinez-Lopez J, Martin T, Mikhael J, Yong K, Risse ML, Asset G, Marion S, Hajek R. Isatuximab plus carfilzomib and dexamethasone in patients with relapsed multiple myeloma based on prior lines of treatment and refractory status: IKEMA subgroup analysis. Am J Hematol 2023; 98:E15-E19. [PMID: 35604280 PMCID: PMC10084376 DOI: 10.1002/ajh.26602] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/05/2022] [Accepted: 05/09/2022] [Indexed: 02/04/2023]
Affiliation(s)
| | - Philippe Moreau
- Department of Hematology, University Hospital Hôtel-Dieu, Nantes, France
| | | | | | - Tomas Pika
- Department of Hemato-Oncology, University Hospital Olomouc, Olomouc, Czech Republic
| | - Sosana Delimpasi
- Department of Haematology, General Hospital of Athens, Athens, Greece
| | | | - Angelo Maiolino
- Instituto COI de Ensino e Pesquisa and Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tony Reiman
- Department of Oncology, Saint John Regional Hospital, Dalhousie University and University of New Brunswick, Saint John, New Brunswick, Canada
| | - Joaquin Martinez-Lopez
- Departamento de Hematología, Hospital 12 de Octubre, Complutense University, Madrid, Spain
| | - Thomas Martin
- UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California, USA
| | - Joseph Mikhael
- Translational Genomics Research Institute, City of Hope Cancer Center, Phoenix, Arizona, USA
| | - Kwee Yong
- Department of Haematology, University College Hospital, London, UK
| | | | | | | | - Roman Hajek
- Department of Hemato-Oncology, University Hospital Ostrava, Ostrava, Czech Republic.,Department of Hemato-Oncology, Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
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de Arriba de la Fuente F, Montes Gaisán C, de la Rubia Comos J. How to Manage Patients with Lenalidomide-Refractory Multiple Myeloma. Cancers (Basel) 2022; 15:cancers15010155. [PMID: 36612152 PMCID: PMC9818178 DOI: 10.3390/cancers15010155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022] Open
Abstract
Although lenalidomide-based combinations, such as lenalidomide plus a proteasome inhibitor or an anti-CD38 monoclonal antibody, improve the overall response rate, progression-free survival, and overall survival of patients with relapsed/refractory multiple myeloma (RRMM), there is a tendency to use these regimens as a frontline treatment. This strategy has led to the development of refractoriness early in the disease course, usually after the patient's first treatment. Since lenalidomide-free regimens have so far shown limited efficacy in lenalidomide-refractory patients, there is an unmet need for other treatment options. In this review, we discuss the therapeutic options available to treat the general population of lenalidomide-refractory patients (mono, double and triple refractory) and the subpopulation of patients with other high-risk features such as renal failure, extramedullary disease, and high-risk cytogenetics. Moreover, new promising individual therapies and the possible impact of immunotherapy in RRMM patients are debated.
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Affiliation(s)
- Felipe de Arriba de la Fuente
- Haematology and Medical Oncology Department, Hospital General Universitario Morales Meseguer, Instituto Murciano de Investigación Biomédica (IMIB)-Arrixaca, Universidad de Murcia, 30008 Murcia, Spain
| | - Carmen Montes Gaisán
- Haematology Department, Hospital Universitario Marqués de Valdecilla, 39008 Cantabria, Spain
| | - Javier de la Rubia Comos
- Haematology Department, Hospital Universitario y Politécnico La Fe and Universidad Católica “San Vicente Mártir”, CIBERONC CB16/12/00284, 46001 Valencia, Spain
- Correspondence:
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Kawaji-Kanayama Y, Muramatsu A, Sasaki N, Shimura K, Kiyota M, Fuchida S, Isa R, Fujino T, Matsumura-Kimoto Y, Tsukamoto T, Chinen Y, Mizutani S, Nakao M, Kaneko H, Kawata E, Hirakawa K, Takahashi R, Shimazaki C, Uchiyama H, Uoshima N, Shimura Y, Kobayashi T, Taniwaki M, Kuroda J. Clinical impacts of frailty, poor performance status, and advanced age in carfilzomib-containing treatment for relapsed/refractory multiple myeloma: post hoc investigation of the KOTOSG multicenter pilot prospective observational study. Int J Hematol 2022; 115:350-362. [PMID: 35072907 DOI: 10.1007/s12185-021-03262-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/12/2021] [Accepted: 11/14/2021] [Indexed: 01/13/2023]
Abstract
We conducted a post hoc analysis of our previous pilot observational study on the efficacy and safety of carfilzomib (CFZ)-containing therapy in 50 patients with relapsed/refractory multiple myeloma in routine practice to clarify the relationships between three major criteria for vulnerability (frailty, poor performance status [PS], and advanced age [≥ 75 years]) and their clinical impact on efficacy and adverse events (AEs). Sixteen patients fulfilled at least one and five patients fulfilled all three criteria. The overall response rate was not significantly affected by frailty, poor PS, and/or advanced age; however, frailty and advanced age were significantly associated with shorter progression-free survival (PFS). In contrast, no significant difference in PFS was observed between patients with PS0-1 or PS2-4. The three criteria for vulnerability were associated with more frequent hematologic AEs: frailty, poor PS, and/or advanced age significantly increased the risk of grade 3-4 anemia and lymphopenia. However, these criteria were not associated with increased risk of other non-hematologic AEs except infection. Collectively, these results demonstrate the need to carefully manage severe hematologic AEs in vulnerable patients and perform disease-specific assessment of frailty to predict prognosis.
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Affiliation(s)
- Yuka Kawaji-Kanayama
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Ayako Muramatsu
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Nana Sasaki
- Department of Hematology, Japanese Red Cross Kyoto Daini Hospital, Kyoto, Japan
| | - Kazuho Shimura
- Department of Hematology, Aiseikai Yamashina Hospital, Kyoto, Japan
| | - Miki Kiyota
- Department of Hematology, Matsushita Memorial Hospital, Moriguchi, Japan
| | - Shinichi Fuchida
- Department of Hematology, Japan Community Health Care Organization, Kyoto Kuramaguchi Medical Center, Kyoto, Japan
| | - Reiko Isa
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Takahiro Fujino
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Yayoi Matsumura-Kimoto
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Taku Tsukamoto
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Yoshiaki Chinen
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Shinsuke Mizutani
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Mitsushige Nakao
- Department of Internal Medicine, Otsu Municipal Hospital, Otsu, Japan
| | - Hiroto Kaneko
- Department of Hematology, Aiseikai Yamashina Hospital, Kyoto, Japan
| | - Eri Kawata
- Department of Hematology, Matsushita Memorial Hospital, Moriguchi, Japan
| | - Koichi Hirakawa
- Department of Hematology, Fukuchiyama City Hospital, Fukuchiyama, Japan
| | - Ryoichi Takahashi
- Department of Hematology, Omihachiman Community Medical Center, Omihachiman, Japan
| | - Chihiro Shimazaki
- Department of Hematology, Japan Community Health Care Organization, Kyoto Kuramaguchi Medical Center, Kyoto, Japan
| | - Hitoji Uchiyama
- Department of Hematology, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan
| | - Nobuhiko Uoshima
- Department of Hematology, Japanese Red Cross Kyoto Daini Hospital, Kyoto, Japan
| | - Yuji Shimura
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
- Department of Blood Transfusion, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tsutomu Kobayashi
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Masafumi Taniwaki
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
- Department of Hematology, Aiseikai Yamashina Hospital, Kyoto, Japan
- Center for Molecular Diagnostics and Therapeutics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Junya Kuroda
- Division of Hematology and Oncology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan.
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Abstract
Despite recent advances multiple myeloma remains an incurable disease for most of the patients and initial remission will be followed by relapses requiring therapy. For many, there will be several remissions and relapses until resistance develops to all available therapies. With the introduction of several new agents, myeloma treatment has changed drastically and there are new options for the management of relapsed or refractory disease, including new drug classes with distinct mechanisms of action and cellular therapies. However, resistance to major drug classes used in first line remain the most critical factor for the choice of treatment at relapse. Continuous lenalidomide-based therapy is used extensively at first line and resistance to lenalidomide has become the key factor for the choice of salvage therapy. Daratumumab is increasingly used in first line and soon patients that relapse while on daratumumab will become a common challenge. Three-drug regimens are standard approach to manage relapsed disease. Adding drugs with new mechanisms of activity can improves outcomes and overcomes class resistance but, until now, while the biology is important, can offer only limited guidance for the choice of therapy.
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