Real-world experience with isatuximab in the treatment of relapsed-refractory multiple myeloma: a case series from the Grand Duchy of Luxembourg

Sigrid De Wilde*, Laurent Plawny, Guy Berchem

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Background & objective: Anti-CD38 targeting has become an important pillar of the treatment for patients with multiple myeloma (MM). This evolution was spearheaded by daratumumab, but more recently isatuximab became the second CD38-directed monoclonal antibody to receive EMA approval for the treatment of patients with relapsed/refractory (RR) MM. In recent years, real-world studies have become increasingly important to confirm and solidify the clinical potential of novel anti-myeloma therapies. Methods: This article describes the real-world experience with isatuximab-based therapy in a selection of four RRMM patients treated with an isatuximab-based treatment regimen in the Grand Duchy of Luxembourg. Results: Three of the four cases described in this article consist of heavily pretreated patients who were previously exposed to daratumumab-based therapy. Interestingly, the isatuximab-based therapy provided clinical benefit to all three of these patients illustrating that prior exposure to an anti-CD38 mAb does not preclude a response to isatuximab. As such, these findings further support the design of larger prospective studies looking into the impact of prior daratumumab use on the efficacy of isatuximab-based therapy. In addition, two of the cases included in this report displayed renal insufficiency and the experience with isatuximab in these patients further supports the use of this agent in this setting. Conclusion: the clinical cases described illustrate the clinical potential of isatuximab-based treatment for RRMM patient in a real-world setting.

Original languageEnglish
Article number2182098
JournalHematology
Volume28
Issue number1
DOIs
Publication statusPublished - 2023
Externally publishedYes

Keywords

  • CD38
  • Multiple myeloma
  • case report
  • daratumumab
  • isatuximab
  • renal impairment
  • sequencing

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