<p>Use of anti-B-cell maturation antigen (BCMA) chimeric antigen receptor T-cell (CAR-T) therapy to treat relapsed/refractory multiple myeloma is increasing. Studies suggest that effective bridging therapy (BT) prior to anti-BCMA CAR-T therapy can enhance efficacy and safety outcomes. Through qualitative interviews and a consensus workshop, 10 European experts shared their clinical experience regarding optimal BT selection, efficacy, safety and outcomes post–CAR-T, focussing on heavily pretreated patients and emerging BT options, such as bispecific T-cell engagers. Experts agreed that BT should aim to reduce tumour burden and maintain or improve patient performance status, while avoiding treatment-related toxicity that could delay or prevent CAR-T infusion. The balance between treatment duration and achieving an adequate response is important, and patient characteristics are key for BT selection, especially in difficult-to-treat populations. Here, we discuss the unique therapy talquetamab, a GPRC5DxCD3 bispecific antibody, which demonstrates robust efficacy and rapid response rates in clinical trials, and is being considered as a BT option before anti-BCMA CAR-T therapy based on expert experience and real-world data. This consensus, based on clinical experience, aims to provide guidance on BT for healthcare professionals (HCPs) involved in anti-BCMA CAR-T therapy and aid standardisation of care in this rapidly advancing field.</p>

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Experiences and expert panel consensus on bridging therapy before anti-BCMA CAR-T cell therapy in multiple myeloma

  • Leo Rasche,
  • Maria Theresa Krauth,
  • Hermine Agis,
  • Christoph Renner,
  • Irene Strassl,
  • Raphael Teipel,
  • Vladan Vučinić,
  • Katja Weisel,
  • Wolfgang Willenbacher,
  • Marc S. Raab

摘要

Use of anti-B-cell maturation antigen (BCMA) chimeric antigen receptor T-cell (CAR-T) therapy to treat relapsed/refractory multiple myeloma is increasing. Studies suggest that effective bridging therapy (BT) prior to anti-BCMA CAR-T therapy can enhance efficacy and safety outcomes. Through qualitative interviews and a consensus workshop, 10 European experts shared their clinical experience regarding optimal BT selection, efficacy, safety and outcomes post–CAR-T, focussing on heavily pretreated patients and emerging BT options, such as bispecific T-cell engagers. Experts agreed that BT should aim to reduce tumour burden and maintain or improve patient performance status, while avoiding treatment-related toxicity that could delay or prevent CAR-T infusion. The balance between treatment duration and achieving an adequate response is important, and patient characteristics are key for BT selection, especially in difficult-to-treat populations. Here, we discuss the unique therapy talquetamab, a GPRC5DxCD3 bispecific antibody, which demonstrates robust efficacy and rapid response rates in clinical trials, and is being considered as a BT option before anti-BCMA CAR-T therapy based on expert experience and real-world data. This consensus, based on clinical experience, aims to provide guidance on BT for healthcare professionals (HCPs) involved in anti-BCMA CAR-T therapy and aid standardisation of care in this rapidly advancing field.