Adding the poly (ADP-ribose) polymerase (PARP) inhibitor niraparib to abiraterone acetate plus prednisone delayed disease progression and postponed the onset of symptoms in patients with metastatic castration-sensitive prostate cancer with homologous recombination repair (HRR) genetic alterations, according to findings from the AMPLITUDE trial.

An interim analysis also demonstrated an early trend toward improved overall survival in patients who received niraparib.

These findings support adding niraparib to abiraterone acetate plus prednisone “as a new treatment option” in patients with HRR alterations, said Study Chief Gerhardt Attard, MD, PhD, chair of medical oncology, University College London Cancer Institute, London, England, speaking at the American Society of Clinical Oncology (A

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