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2024-09-06T13:17:48.000Z

Real-world study on efficacy and safety of ide-cel in older patients with RRMM

Sep 6, 2024
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Learning objective: After reading this article, learners will be able to cite a new clinical development in relapsed/refractory multiple myeloma.

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Data from a real-world study on the efficacy and safety of idecabtagene vicleucel (ide-cel) in patients with relapsed/refractory multiple myeloma (RRMM) were published in Blood Advances by Kalariya et al.1 The study included safety and efficacy data from older patients (≥65 years) who were ineligible for the KarMMa study (NCT03361748).

Key learnings:

Overall, 156 patients were included, of which 81 were aged <65 years and 75 were aged ≥65 years. Among the older patients, 66.7% were frail and 77.3% did not meet the eligibility criteria for the KarMMa study.

The best overall response rate (ORR) and complete response rate with ide-cel were comparable among both older and younger patients (86.7% vs 84% and 56% vs 54.3%, respectively).

A numerically higher median progression-free survival (PFS) and overall survival (OS) was observed among older patients.

  • PFS was 9.1 months vs 7.4 months in younger patients
  • OS was 26.5 months vs 24.2 months in younger patients

The incidences of any grade cytokine release syndrome (CRS) and immune effector cell-associated neurotoxicity syndrome (ICANS) were higher in older patients. However, the incidences of Grade ≥3 CRS and ICANS were comparable between older and younger patients.

CRS:

  • Any grade: 88.0% in older patients vs 81.5% in younger patients
  • Grade ≥3: 1.2% in older patients vs 2.4% in younger patients

ICANS:

  • Any grade: 25.3% in older patients vs 13.6% in younger patients
  • Grade ≥3: 4.0% in older patients vs 4.9% in younger patients

Despite the higher prevalence of frailty and geriatric characteristics, such as polypharmacy, comorbidities, and organ dysfunction, the efficacy and safety data of ide-cel in older patients were comparable to younger patients.

The data highlighted the feasibility of ide-cel in older patients with RRMM, and the potential for broader adoption in clinical practice.

  1. Kalariya N, Hildebrandt M, Hansen D, et al. Clinical outcomes after idecabtagene vicleucel in older multiple myeloma patients: A multicenter real-world experience. Blood Advances. Online ahead of print. DOI: 10.1182/bloodadvances.2024013540

Your opinion matters

For a patient with triple-class exposed RRMM and high-risk cytogenetics, which of the following treatments would you select next, assuming all are available?
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