12 Jul 2023: BRUKINSA (zanubrutinib) / Obinutuzumab / R/R Follicular Lymphoma / BeiGene: The US FDA accepted the sNDA for review
BeiGene seeks FDA approval for BRUKINSA in combination with Obinutuzumab for patients with relapsed refractory Follicular Lymphoma after 2 prior lines of therapy following Phase 2 results from the ROSEWOOD study
If approved, BRUKINSA will be the first BTK inhibitor to be approved for the treatment of follicular lymphoma; the PDUFA action date is in Q1’24
ROSEWOOD study included pre-treated R/R non-Hodgkin FL patients
Efficacy: Zanubrutinib + Obinutuzumab (n= 145) vs Obinutuzumab (n= 72); median follow-up of 12.5 months
ORR: 68.3% vs 45.8%
DOR: 69.3%
Safety:
Safety consistent with previous studies
Most common TRAEs: Diarrhea (18.2% vs 16.9%), fatigue (15.4% vs 14.1%), and pyrexia (13.3% vs 19.7%)
Longer-term data included in the sNDA showed efficacy benefit for Zanubrutinib + Obinutuzumab persisted at a median follow-up of 20.2 months
ORR: 69.0% vs 45.8%
Reduced the risk of disease progression or death by 50% (HR 0.50; 95% CI 0.33-0.75)