Study
Randomised, placebo-controlled, phase 3 trial [TALAPRO-2] |
Metastatic castration-resistant prostate cancer with HRR-deficiency |
Talazoparib+enzalutamide (n=200) vs enzalutamide+placebo (n=199) |
Efficacy
ORR: 69% vs 38% |
mOS: 45.1 mos vs 31.1 mos (HR 0.62 [0.48-0.81]) |
BRCA1/2 population: mOS not reached vs 28.5 mos (HR 0.50 [0.32-0.78]) |
mPFS: 30.7 mos vs 12.3 mos (HR 0.47 [0.36-0.61]) |
Safety
Grade >=3 AEs: anaemia (43% vs 5%), neutropenia (20% vs 1%) |
Lancet Oncol 2025. Published online July 16, 2025
http://doi.org/10.1016/S0140-6736(25)00683-X
Reviewed by Elvin Chalabiyev, MD on Sep 3, 2025