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MagnetisMM-3: Impact of reduced elranatamab dosing frequency on PROs in RRMM

By Sheetal Bhurke

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Oct 29, 2025

Learning objective: After reading this article, learners will be able to cite a new clinical development in multiple myeloma.


An analysis from the phase II MagnetisMM-3 trial (NCT04649359) evaluated the impact of lowering the frequency of elranatamab dosing from once a week (QW) to every 2 weeks (Q2W) on patient-reported outcomes (PROs) in 61 B-cell maturation antigen (BCMA)-naïve and 22 BCMA-exposed patients with relapsed/refractory multiple myeloma (RRMM). The results were published by Bahlis et al. in HemaSphere

Key data: Switching to elranatamab Q2W dosing led to improvements in health-related quality of life (HRQoL), including fatigue, pain, disease symptoms, and overall quality of life (QoL), irrespective of prior exposure to BCMA therapies. These benefits were sustained up to 18 months. No worsening of symptoms or new safety signals were observed following the change in elranatamab dosing frequency.

Key learning: The findings support the feasibility of using reduced elranatamab dosing, highlighting the potential to improve patient outcomes in patients with RRMM, irrespective of prior exposure to BCMA-targeted therapies.

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