— PATINA trial paved the way for palbociclib-based frontline maintenance regimen

June 24, 2026

• 2 min read

The FDA approved the CDK4/6 inhibitor palbociclib (Ibrance) as part of a first-line maintenance regimen for hormone receptor (HR)-positive/HER2-positive breast cancer.

Approval stipulates use of palbociclib plus trastuzumab -- with or without pertuzumab (Perjeta) -- and endocrine therapy following induction treatment for adults with locally advanced or metastatic disease.