ArticleBlood cancer journal2026
Real-world outcomes with elranatamab in multiple myeloma: a multicenter analysis from the U.S. Multiple Myeloma Immunotherapy Consortium.
Article in Blood cancer journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Targeting BCMA in patients with relapsed/refractory multiple myeloma in 1 to 3 prior lines of therapy.Blood advances · 2026Review
- When Myeloma Escapes the Bone Marrow: Extramedullary Disease in the Immunotherapy Era.Cancers · 2026Review
- Real-world treatment patterns and outcomes of patients with multiple myeloma initiating elranatamab: results from the ALTITUDE-1 and ALTITUDE-2 retrospective cohort studies.Future oncology (London, England) · 2026Observational
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Authors and funding
42 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Elranatamab, a BCMA-CD3 bispecific antibody, has demonstrated robust activity in relapsed/refractory multiple myeloma (RRMM), but real-world outcomes remain poorly defined. We conducted a multicenter retrospective study of 130 patients treated with commercial elranatamab across nine U.S. academic centers. The cohort was heavily pretreated (91% triple-class refractory, 49% penta-refractory), with 49% previously exposed to BCMA-targeted therapies. Only 22% would have met eligibility for MagnetisMM-3 cohort A. The overall response rate (ORR) was 65%, including ≥CR in 36%. Median progression-free survival (PFS) and overall survival (OS) were 4.3 and 14.6 months, respectively, shorter than MagnetisMM-3. Elevated LDH and low hemoglobin independently predicted poor outcomes and were incorporated into the novel ALPS (Anemia-LDH Prognostic System) score, which stratified patients into distinct risk groups for ORR, OS, PFS, and duration of response. Prior BCMA exposure reduced depth of response, with inferior OS observed in those treated within one year of prior therapy. Infections occurred in 38% of patients. Intravenous immunoglobulin supplementation, modeled as a time-dependent covariate, was associated with improved infection-free survival and PFS. While the incidence of CRS was modestly lower than in MagnetisMM-3, ICANS occurred more frequently in this real-world cohort. These findings highlight the efficacy, limitations, and supportive care needs of elranatamab in a frailer, more heterogeneous real-world RRMM population.
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Registered trials
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