sBLA for Enhertu in High-Risk Early Breast Cancer
FDA has accepted for review a Daiichi Sankyo and AstraZeneca supplemental BLA for Enhertu (fam-trastuzumab deruxtecan-nxki) use followed by paclitaxel, trastuzumab, and pertuzumab (THP) as a neoadjuvant treatment for patients with high-risk, early-stage HER2-positive breast cancer. The agency has set a user fee review action target date of 5/18.
The submission is based on data from the Phase 3 DESTINY-Breast11 trial, which showed that the Enhertu regimen significantly improved pathologic complete response rates and had a more favorable safety profile compared to the standard dose-dense doxorubicin and cyclophosphamide followed by THP regimen, the companies say. An early trend toward improved event-free survival was also observed, they add.
In the DESTINY-Breast11 study, the safety profile of ENHERTU followed by THP was consistent with known data, with no new safety signals reported, according to the companies. Rates of interstitial lung disease were similar across treatment arms.