Impact of Extraosseous Extramedullary Disease on Outcomes of Patients with Relapsed-Refractory Multiple Myeloma receiving Standard-of-Care Chimeric Antigen Receptor T-Cell Therapy - Summary - MDSpire

Impact of Extraosseous Extramedullary Disease on Outcomes of Patients with Relapsed-Refractory Multiple Myeloma receiving Standard-of-Care Chimeric Antigen Receptor T-Cell Therapy

  • By

  • Danai Dima

  • Al-Ola Abdallah

  • James A. Davis

  • Hussein Awada

  • Utkarsh Goel

  • Aliya Rashid

  • Shaun DeJarnette

  • Faiz Anwer

  • Leyla Shune

  • Shahzad Raza

  • Zahra Mahmoudjafari

  • Louis Williams

  • Beth Faiman

  • Joseph P. McGuirk

  • Craig S. Sauter

  • Nausheen Ahmed

  • Jack Khouri

  • Hamza Hashmi

  • May 31, 2024

  • 0 min

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Objective:

To assess the outcomes of relapsed-refractory multiple myeloma patients with active extraosseous extramedullary disease (EMD) defined as bone-independent tumors detected within 30 days of CAR T infusion, treated with CAR T-cell therapy.

Key Findings:
  • EMD is associated with adverse outcomes in RRMM patients receiving CAR T-cell therapy.
  • The study included 152 patients, with 71% receiving ide-cel and 29% receiving cilta-cel.
  • Presence of EMD predicts early progression after CAR T-cell therapy.
Interpretation:

The presence of extraosseous extramedullary disease significantly impacts the efficacy of CAR T-cell therapy in relapsed-refractory multiple myeloma patients, indicating a need for tailored treatment approaches that consider EMD's adverse effects.

Limitations:
  • Retrospective nature may introduce bias, particularly in patient selection and data completeness, which could affect the reliability of outcomes.
Conclusion:

The study highlights the need for further research on treatment strategies for RRMM patients with EMD, particularly focusing on the development of targeted therapies to improve outcomes following CAR T-cell therapy.

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