Primary-source record

Decision-gradeFDA approval

Pfizer Talzenna + enzalutamide FDA approved for mAPMN/S HRR-mutated prostate cancer

FDA approved talazoparib (Talzenna) in combination with enzalutamide for adults with metastatic androgen pathway modulation-naïve or -sensitive prostate cancer with HRR gene mutations. This is a new indication for the PARP inhibitor in this setting.

Key facts

Filed
Oct 27, 2026, 12:36 AM
Event
FDA approval
Direction
Positive
Company
PFEPfizer
Confidence
Sourced
Calendar
FDA decision (PDUFA) · Oct 1, 2026 · Approved
rPFS HR
0.48 (95% CI 0.36-0.65)
anemia grade 3+
51%
3-year rPFS rate
77%
rPFS risk reduction
52%

Source excerpt

FDA approves talazoparib with enzalutamide for metastatic androgen pathway modulation-naïve or -sensitive prostate cancer with HRR gene mutations On October 26, 2026, the Food and Drug Administration (FDA) approved talazoparib (Talzenna, Pfizer Inc.) in combination with enzalutamide for the treatment of adults with metastatic androgen pathway modulation-naïve or -sensitive (mAPMN/S) prostate cancer. Read more.

FDA announcement

More on this asset

Pfizer Talzenna + enzalutamide FDA approved for mAPMN/S HRR-mutated prostate cancer | SimianX AI