Progression in Certain Advanced Prostate Cancers Delayed with Lynparza Treatment in Phase 3 Trial - Prostate Cancer News Today

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Men with metastatic castration-resistant prostate cancer (mCRPC) given Lynparza (olaparib), a breast and ovarian cancer treatment, went a clinically meaningful longer time without disease progression or death compared to those given standard treatment with Xtandi (enzalutamide) or Zytiga (abiraterone) in a Phase 3 trial. The multicenter, open-label PROfound study (NCT02987543) compared the efficacy and safety of Lynparza to that of Xtandi (by Astellas and Pfizer Oncology) and Zytiga (by Janssen) in mCRPC patients whose disease had progressed while on these newer hormone treatments. Eligible patients also had a mutation in one of 15 genes involved in the homologous recombination (HR) pathway of DNA repair. Specifically, these benefits were seen in patients with mutations in BRCA1, BRCA2, or ATM, the most common among HR gene mutations; the first two are also strongly linked with familial breast and ovarian cancers. Overall, HR mutations occur in approximately 25% of men diagnosed with mCRPC. Lynparza, an oral PARP enzyme inhibitor marketed by Subscribe or to access all post and page content.

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