Daratumumab, bortezomib and dexamethasone at first relapse for patients with multiple myeloma: A real-world multicentre UK retrospective analysis.
McMillan, Annabel Basu, Supratik Karunanithi, Kamaraj Parkins, Elizabeth Lau, Edward Yan Ming Cook, Gordon Parrish, Christopher Al-Kaisi, Firas Pratt, Guy
Shafeek, Salim
McMillan, Annabel
Basu, Supratik
Karunanithi, Kamaraj
Parkins, Elizabeth
Lau, Edward Yan Ming
Cook, Gordon
Parrish, Christopher
Al-Kaisi, Firas
Shafeek, Salim
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2023-02-23
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Abstract
Daratumumab, bortezomib and dexamethasone (DVd) is approved for patients with relapsed multiple myeloma following the CASTOR phase 3 clinical trial. This retrospective multicentre analysis assesses the overall response rate (ORR) and progression-free survival (PFS) in routine clinical practice for patients at first relapse treated with DVd incorporating weekly bortezomib. Data were collected from 296 sequential patients treated across 15 UK centres. After a median follow-up of 21 months, the ORR was 82% (26% partial response, 56% very good partial response or better) and the median PFS was 16 months [95% confidence interval (CI) 12-20 months]. Results were similar regardless of prior lenalidomide exposure. The median time to next treatment was 20 months (95% CI 15-25 months) and the estimated overall survival at two years was 74%. Patients with high-risk features (by cytogenetics, International Staging System or extramedullary disease) and those treated within 18 months of initiation of progression-free treatment, or within 12 months of autologous stem cell transplant, had significantly inferior outcomes. The grade 2 and 3 peripheral neuropathy rate was 7%. DVd with weekly bortezomib was effective in a heterogenous real-world population at first relapse with a low rate of peripheral neuropathy. However, high-risk patients had inferior outcomes and should be considered for alternative treatments.
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McMillan A, Basu S, Karunanithi K, Parkins E, Lau EYM, Cook G, Parrish C, Al-Kaisi F, Pratt G, Shafeek S, Jenkins S, Memon D, Bygrave C, Papanikolaou X, Maisel T, Hassan S, Moosai S, Chander G, Rakesh P, Kishore B, Karim F, Talbot G, Wandroo F, Yong K, Popat R. Daratumumab, bortezomib and dexamethasone at first relapse for patients with multiple myeloma: A real-world multicentre UK retrospective analysis. Br J Haematol. 2023 May;201(4):682-689. doi: 10.1111/bjh.18703. Epub 2023 Feb 23
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