Addition of isatuximab to lenalidomide, bortezomib, and dexamethasone as induction therapy for newly diagnosed, transplantation-eligible patients with multiple myeloma (GMMG-HD7): part 1 of an open-label, multicentre, randomised, active-controlled, phase 3 trial
- PMID: 36328040
- DOI: 10.1016/S2352-3026(22)00263-0
Addition of isatuximab to lenalidomide, bortezomib, and dexamethasone as induction therapy for newly diagnosed, transplantation-eligible patients with multiple myeloma (GMMG-HD7): part 1 of an open-label, multicentre, randomised, active-controlled, phase 3 trial
Abstract
Background: Anti-CD38 monoclonal antibodies have consistently shown increased efficacy when added to standard of care for patients with multiple myeloma. We aimed to assess the efficacy of isatuximab in addition to lenalidomide, bortezomib, and dexamethasone in patients with newly diagnosed transplantation-eligible multiple myeloma.
Methods: This open-label, multicentre, randomised, active-controlled, phase 3 trial was done at 67 academic and oncology practice centres in Germany. This study is ongoing and divided into two parts; herein, we report results from part 1. Eligible patients were aged 18-70 years; had a confirmed diagnosis of untreated multiple myeloma requiring systemic treatment and a WHO performance status of 0-2; and were eligible for induction therapy, high-dose melphalan and autologous haematopoietic stem-cell transplantation, and maintenance treatment. Patients were randomly assigned (1:1) to receive three 42-day cycles of induction therapy either with isatuximab plus lenalidomide, bortezomib, and dexamethasone (isatuximab group) or lenalidomide, bortezomib, and dexamethasone alone (control group) using a web-based system and permuted blocks. Patients in both groups received lenalidomide (25 mg orally on days 1-14 and 22-35), bortezomib (1·3 mg/m2 subcutaneously on days 1, 4, 8, 11, 22, 25, 29, and 32), and dexamethasone (20 mg orally on days 1-2, 4-5, 8-9, 11-12, 15, 22-23, 25-26, 29-30, and 32-33). Isatuximab was given as 10 mg/kg intravenously on days 1, 8, 15, 22, and 29 of cycle 1 and on days 1, 15, and 29 of cycles 2 and 3. The primary endpoint was minimal residual disease (MRD) negativity assessed by flow cytometry, in the intention-to-treat (ITT) population. This study is registered with ClinicalTrials.gov, NCT03617731.
Findings: Between Oct 23, 2018, and Sep 22, 2020, 660 patients were included in the ITT analysis (331 in the isatuximab group and 329 in the control group). 654 (99%) patients were White, two were African, one was Arabic, and three were Asian. 250 (38%) were women and 410 (62%) were men. The median age was 59 years (IQR 54-64). MRD negativity after induction therapy was reached in 166 (50%) patients in the isatuximab group versus 117 (36%) in the control group (OR 1·82 [95% CI 1·33-2·48]; p=0·00017). Median follow-up time from start to end of induction therapy was 125 days (IQR 125-131) versus 125 days (125-132). At least one grade 3 or 4 adverse event occurred in 208 (63%) of 330 patients versus 199 (61%) of 328 patients. Neutropenia of grade 3 or 4 occurred in 77 (23%) versus 23 (7%) patients and infections of grade 3 or 4 occurred in 40 (12%) versus 32 (10%) patients. Among 12 deaths during induction therapy, one death due to septic shock in the isatuximab group and four deaths (one cardiac decompensation, one hepatic and renal failure, one cardiac arrest, and one drug-induced enteritis) in the control group were considered treatment-related.
Interpretation: Addition of isatuximab to lenalidomide, bortezomib, and dexamethasone for induction therapy improved rates of MRD negativity with no new safety signals in patients with newly diagnosed transplantation-eligible multiple myeloma.
Funding: Sanofi and Bristol Myers Squibb (Celgene).
Copyright © 2022 Elsevier Ltd. All rights reserved.
Conflict of interest statement
Declaration of interests HG reports financial and trial medication support for this GMMG-HD7 trial from Bristol Myers Squibb and Sanofi; consulting from Adaptive Biotechnology, Amgen, Bristol Myers Squibb, and Janssen; honoraria from Amgen, Bristol Myers Squibb, Celgene, Chugai, GlaxoSmithKline, Janssen, and Novartis; research funding from Amgen, Bristol Myers Squibb, Celgene, Chugai, Incyte, Janssen, Molecular Partner, MSD, Mundipharma, and Novartis; grants from Amgen, Celgene, Chugai, Janssen, and Johns Hopkins University. EKM reports consulting or advisory role, honoraria, research funding, travel accommodation, and expenses from Bristol Myers Squibb (Celgene), GlaxoSmithKline, Janssen-Cilag, Sanofi, Stemline, and Takeda. RF reports consulting or advisory role, honoraria, travel accommodation, and expenses from Amgen, Bristol Myers Squibb (Celgene), GlaxoSmithKline, Janssen, and Takeda. BB reports honoraria from Amgen, GlaxoSmithKline, Janssen, Sanofi, and Takeda; and travel accommodation, and expanses from Janssen. JD reports honoraria from Celgene, Janssen, and Roche; advisory role, travel accommodation, and expenses from Amgen, AstraZeneca, Abbvie, Bristol Myers Squibb, Celgene, Janssen, and Takeda; and speakers bureau from Celgene and Janssen. RS reports consulting for Bristol Myers Squibb, Gilead (Kite), Janssen, and Novartis; and honoraria from Bristol Myers Squibb, Gilead (Kite), Janssen, Roche, and Sanofi. IvM reports consulting for Amgen, AstraZeneca, Bristol Myers Squibb, GlaxoSmithKline, Janssen, Pfizer, Sanofi, and Takeda; honoraria from Sanofi; and travel accommodation and expenses from Takeda. MHa reports consulting for Amgen, Bayer Vital, Celgene, Gilead, GlaxoSmithKline, Jazz Pharmaceuticals, Novartis, Pfizer, Roche, and Takeda; and honoraria from Novartis. CM reports consulting for Celgene. AMA reports honoraria from Bristol Myers Squibb (Celgene), GlaxoSmithKline, and Pfizer. BH reports consulting for Sanofi-Aventis. NW reports an advisory role for Glaxo Smith Kline; and research Funding from Bristol Myers Squibb. KK reports honoraria from Sanofi. TAWH reports a consulting or advisory role for Celgene, Gilead Sciences, GlaxoSmithKline, Jazz Pharmaceuticals, Novartis, and Sanofi; speakers bureau for Amgen and MSD; and travel accommodation and expenses from AbbVie, Daiichi Sankyo, Eurocept Pharmaceuticals, Janssen, Medac, and Therakos. KT-G reports consulting, an advisory role, honoraria, travel accommodation, and expenses from GlaxoSmithKline, Novartis, and Takeda. DG reports consulting and honoraria from Amgen, Bristol Myers Squibb, Celgene, and Takeda. MK-H reports honoraria from Amgen, Bristol Myers Squibb, Janssen-Cilag, Roche, and Takeda; and an advisory role for Amgen, Bristol Myers Squibb, Janssen, and Sanofi. CK reports honoraria from AstraZeneca, Bristol Myers Squibb, Celgene, GlaxoSmithKline, Janssen, Pfizer, Sanofi, and Takeda; and research funding from AstraZeneca and Sanofi. WK reports consulting for AstraZeneca, BeiGene, and Janssen; honoraria from AbbVie, Amgen, AstraZeneca, BeiGene, Bristol Myers Squibb, Celgene, Janssen, and Sanofi. CS reports honoraria from AbbVie, Amgen, Bristol Myers Squibb, Glaxo Smith Kline, Janssen, Pfizer, Oncopeptides, Sanofi, and Takeda; travel accommodation and expanses from Bristol Myers Squibb, Janssen, Novartis, and Takeda; and research funding from Janssen, Novartis, and Takeda. MMun reports consulting for AbbVie, Bristol Myers Squibb, Glaxo Smith Kline, Janssen, Sanofi, and Takeda; honoraria from Amgen, Bristol Myers Squibb, Janssen, and Takeda; research funding from Incyte; and travel accommodation and expenses from Amgen. MHo reports consulting for Sanofi-Aventis. MSR reports consulting or an advisory role for AbbVie, Amgen, Bristol Myers Squibb, Celgene, GlaxoSmithKline, Janssen, Novartis, Roche, and Sanofi; honoraria from AbbVie and GlaxoSmithKline; and research funding from Novartis and Sanofi. HJS reports honoraria and an advisory role from AbbVie, Amgen, Bristol Myers Squibb (Celgene), Chugai, GlaxoSmithKline, Janssen-Cilag, Oncopeptides, Pfizer, Roche, Sanofi, Sebia, TAD Pharma, and Takeda; travel accommodation and expenses from Amgen, Bristol Myers Squibb (Celgene), GlaxoSmithKline, Janssen-Cilag, and Sanofi. KCW reports consulting for AbbVie, Adaptive Biotech, Amgen, AstraZeneca, BeiGene, Bristol Myers Squibb, Celgene, GlaxoSmithKline, Janssen, Karyopharm, Novartis, Oncopeptides, Pfizer, Roche, Sanofi, Stemline, and Takeda; honoraria from AbbVie, Adaptive Biotech, Amgen, AstraZeneca, BeiGene, Bristol Myers Squibb, Celgene, GlaxoSmithKline, Janssen, Karyopharm, Novartis, Oncopeptides, Pfizer, Roche, Sanofi, Stemline, and Takeda; research funding from Amgen, Bristol Myers Squibb, Celgene, Glaxo Smith Kline, Janssen, and Sanofi; travel accommodation and expenses from AbbVie, Adaptive Biotech, Amgen, Bristol Myers Squibb, Celgene, Janssen, Glaxo Smith Kline, Karyopharm, Oncopeptides, Roche, Sanofi, Stemline, and Takeda. All other authors declare no competing interests.
Comment in
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Maximising response depth is important in multiple myeloma.Lancet Haematol. 2022 Nov;9(11):e798-e799. doi: 10.1016/S2352-3026(22)00321-0. Lancet Haematol. 2022. PMID: 36328036 No abstract available.
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