TALZENNA Plus XTANDI Improves Radiographic Progression-Free Survival by More Than 50% in Metastatic Prostate Cancer
First PARP inhibitor + ARPI combination to show consistent rPFS improvement in HRR gene‑altered metastatic hormone‑sensitive prostate cancer, including both BRCA and non‑BRCA alterations
There was an estimated 77% probability of remaining progression-free at three years with TALZENNA plus XTANDI
Detailed results from pivotal TALAPRO-3 study presented at ASCO 2026 and published in The New England Journal of Medicine
Pfizer Inc. (NYSE: PFE) today announced detailed results from the pivotal Phase 3 TALAPRO-3 study of TALZENNA® (talazoparib), an oral poly ADP-ribose polymerase (PARP) inhibitor, in combination with XTANDI® (enzalutamide), an androgen receptor pathway inhibitor (ARPI), in men with homologous recombination repair (HRR) gene-mutated metastatic castration-sensitive prostate cancer (mCSPC), also known as metastatic hormone-sensitive prostate cancer (mHSPC). These results will be presented today in a late-breaking oral presentation (Abstract LBA5007) at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting and simultaneously published in The New England Journal of Medicine.
