Prescription
PARP inhibitor (cancer medicine)
Talazoparib
Last reviewed April 2026
Who is this for?
What is this drug?
Talazoparib (brand name Talzenna) is a cancer medicine that works by blocking a protein called PARP, which cancer cells need to repair their damaged DNA — without this repair, the cancer cells die.
What is it used for?
Breast cancer that has spread to other parts of the body (metastatic breast cancer)specifically in people who have a harmful BRCA gene change
Prescription Required
A doctor's prescription is required to obtain this drug legally.