Pfizer’s Talzenna Gets Updated Label

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FDA has approved updated labeling on Pfizer’s s Talzenna (talazoparib) in combination with Xtandi (enzalutamide) for men with metastatic castration-resistant prostate cancer (mCRPC). “The FDA approved updated labeling with the inclusion of final overall survival (OS) data for the combination’s existing indication for the treatment of adults with homologous recombination repair (HRR) gene-mutated mCRPC but did not expand the indication to include patients with non-HRR gene-mutated mCRPC,” the company says.

The update was supported by the positive data from the Phase 3 TALAPRO-2 trial, which Pfizer says demonstrated a statistically significant and clinically meaningful improvement in OS in patients with HRR-mutated mCRPC. “The FDA noted that the trial was not sufficient to conclude a favorable benefit-risk profile to expand the indication in the subgroup of patients with non-HRR gene mutated mCRPC,” it says. Based on the agency’s decision, Pfizer says it will no longer pursue an expanded indication for the combination in mCRPC in the U.S.

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