Assessment of the Safety and Effectiveness of CD38-Targeted CAR-T Cell Therapy in Treating Multiple Myeloma: A Systematic Review and Meta-Analysis - Summary - MDSpire

Assessment of the Safety and Effectiveness of CD38-Targeted CAR-T Cell Therapy in Treating Multiple Myeloma: A Systematic Review and Meta-Analysis

  • By

  • Xinlong Xu

  • Chang Dong

  • Jiashuo Guo

  • Xiaolin Chang

  • Yu Zhang

  • Shuting Gou

  • Liying Xue

  • Jie Li

  • April 29, 2026

  • 0 min

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Objective:

To evaluate the efficacy and safety of CD38-directed CAR-T therapy in patients with relapsed/refractory multiple myeloma (RRMM), comparing single-target and dual-target therapies.

Key Findings:
  • Pooled overall response rate (ORR) for dual-target CD38/BCMA CAR-T was 89%.
  • Complete response/stringent complete response (CR/sCR) rate was 63%.
  • Minimal residual disease (MRD)-negative rate was 67%.
  • Mortality rate for dual-target therapy was 11%; single-target CD38 CAR-T had a mortality rate of 44% in the studied population.
  • Any-grade cytokine release syndrome (CRS) occurred in 83% of patients.
Interpretation:

Dual-target CD38/BCMA CAR-T shows promising efficacy and manageable safety in RRMM, while single-target CD38 CAR-T has limited efficacy and higher mortality, suggesting a need for careful clinical consideration.

Limitations:
  • Small sample size with only 4 studies included.
  • Limited evidence for single-target CD38 CAR-T therapy, with potential biases in the included studies.
Conclusion:

Dual-target CD38/BCMA CAR-T therapy is a promising option for RRMM, but further large-scale comparative studies are needed to clarify its role in treatment sequencing and optimize patient outcomes.

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