Cytomegalovirus reactivation during treatment with bispecific antibodies for relapsed/refractory multiple myeloma - Summary - MDSpire

Cytomegalovirus reactivation during treatment with bispecific antibodies for relapsed/refractory multiple myeloma

  • By

  • Eric Jurgens

  • Tala Shekarkhand

  • Colin Rueda

  • David Nemirovsky

  • Andriy Derkach

  • Ross S. Firestone

  • Kevin Miller

  • Bruno Almeida Costa

  • Sridevi Rajeeve

  • Alexander M. Lesokhin

  • Neha Korde

  • Carlyn R. Tan

  • Hamza Hashmi

  • Hani Hassoun

  • Kylee Maclachlan

  • Urvi A. Shah

  • Malin Hultcrantz

  • Issam Hamadeh

  • Sergio A. Giralt

  • Gunjan L. Shah

  • Heather J. Landau

  • Michael Scordo

  • Saad Z. Usmani

  • Sham Mailankody

  • Zainab Shahid

  • November 1, 2025

  • 0 min

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Objective:

To assess the incidence and risk factors of cytomegalovirus (CMV) reactivation in patients with relapsed/refractory multiple myeloma undergoing treatment with bispecific antibodies, highlighting the importance of routine CMV monitoring.

Key Findings:
  • CMV reactivation occurred in 28% of patients at Day 90 and 36% at Day 180, with significant implications for patient management.
  • 41% of patients showed CMV detection at Day 90 and 51% at Day 180.
  • Four patients developed clinically significant CMV infections, including one case of CMV esophagitis, highlighting the need for vigilant monitoring.
Interpretation:

The study highlights a significant incidence of CMV reactivation during bispecific antibody therapy, suggesting the need for routine CMV monitoring and potential preemptive treatment strategies to improve patient outcomes.

Limitations:
  • The study was conducted at a single center, which may limit generalizability and introduce variability in treatment practices.
  • CMV testing was not routinely performed in prior clinical trials, potentially underestimating the incidence.
Conclusion:

CMV reactivation is a notable complication in patients with RRMM treated with bispecific antibodies, warranting careful monitoring and management, and further research on effective CMV management strategies.

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