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Bristol Myers Squibb Announces ZENBEXUSTM (iberdomide) in Combination with Daratumumab and Dexamethasone (ZDd) Demonstrates Superior Progression-Free Survival vs. Standard of Care in Relapsed and Refractory Multiple Myeloma in Phase 3...

$BMYPress releaseOct 8, 2026, 6:59 AM ETRead the release

Bristol Myers Squibb announced positive topline Phase 3 EXCALIBER-RRMM results showing ZENBEXUS (iberdomide) plus daratumumab and dexamethasone (ZDd) achieved median progression-free survival of 42 months versus 20 months for the DVd standard of care in relapsed/refractory multiple myeloma. The result was highly statistically significant (HR 0.49, p<0.000001), a 51% reduction in risk of progression or death across 800 randomized patients, building on the MRD-negativity endpoint that supported ZENBEXUS's accelerated FDA approval.

Key figures

Drug Name
ZENBEXUS (iberdomide)
Phase Of Trial
Phase 3
P value
p<0.000001
Patients
800
Risk reduction
51%
Pfs hazard ratio
0.49
Median pfs dvd months
20
Median pfs zdd months
42
Median follow up months
23

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