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Pfizer’s TALZENNA Plus XTANDI FDA-Approved for an Earlier Metastatic Prostate Cancer Treatment Setting

$PFEPress releaseOct 26, 2026, 1:41 PM ETRead the release

The FDA expanded approval of Pfizer's TALZENNA plus XTANDI to HRR gene-mutated metastatic androgen pathway modulation-naïve or -sensitive (mHSPC) prostate cancer, moving the combination into an earlier line of treatment. The approval rests on the Phase 3 TALAPRO-3 study of 599 patients, which showed a 52% reduction in the risk of radiographic progression or death (HR 0.48, p<0.0001) and 77% progression-free at three years.

Key figures

Drug Name
TALZENNA (talazoparib) plus XTANDI (enzalutamide)
Phase Of Trial
Phase 3
Rfs hazard ratio
0.48
Talapro3 patients
599
Grade3plus anemia rate
51%
Anemia discontinuation rate
5%
Progression free at 3 years
77%
Risk reduction radiographic progression or death
52%

AI analysis

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    PFE: Pfizer’s TALZENNA Plus XTANDI FDA-Approved for an Earlier Metastatic Prostate Cancer Treatment Setting — AI Analysis | Signal8