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December 8, 2025BloodOpen Access

Pomalidomide promotes activation induced cell death of pre-activated, memory BCMA CAR-T cells in a model of high, but not low, tumor burden multiple myeloma

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Authors

YZYuan Xiao ZhuCSChang‐Xin ShiKHKevin A. Hay

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Overview

Pomalidomide reduces T cell activation and promotes apoptosis in memory BCMA CAR-T cells under high tumor burden, indicating complex immune interactions.

Key Points

  • Pomalidomide decreases granzyme B and increases exhaustion markers in CAR-T cells, promoting apoptosis during high tumor burden.
  • CAR-T cells showed antitumor activity in low tumor burden settings, but less effectiveness with pomalidomide in high burden scenarios.
  • Analysis of murine memory CAR-T cells indicates that excessive T cell activation leads to unwanted apoptotic outcomes due to tumor burden effects.
  • Adjusting cytokine and co-stimulatory domain strategies may enhance CAR-T durability against high tumor burdens.

Cite This Study

Zhu et al. (2025) studied this question.

synapsesocial.com/papers/69362f484fa91c937236d678https://doi.org/10.1182/blood-2025-5728
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The dynamic landscape of immune environment for MM patients receiving T cell redirectiing therapies2025
  2. 2Real-world comparative outcomes of CAR-T cell therapy versus pomalidomide-based regimens in relapsed/refractory multiple myeloma: A propensity-matched cohort study2025
  3. 3Impact of lenalidomide pre-apheresis on markers of T cell fitness and pharmacodynamic biomarkers in newly diagnosed multiple myeloma patients with suboptimal response to autologous stem cell transplantation2025 · 1 citations
  4. 4Celmods potently inhibit m-MDSC induction by targeting IL-10 and MIF in multiple myeloma2025
  5. 5Impact of pomalidomide-containing induction chemotherapy on hematopoietic stem cell mobilization in multiple myeloma: A retrospective cohort study2025