DESTINY-BREAST09

DESTINY-Breast09 Head-to-Head First-Line Phase 3 Trial of ENHERTU® Initiated in Patients with HER2 Positive Metastatic Breast Cancer

Retrieved on: 
Monday, June 14, 2021

This is the first trial to evaluate ENHERTU in the first-line metastatic setting in patients with HER2 positive breast cancer.

Key Points: 
  • This is the first trial to evaluate ENHERTU in the first-line metastatic setting in patients with HER2 positive breast cancer.
  • In clinical studies, of the 234 patients with unresectable or metastatic HER2-positive breast cancer treated with ENHERTU 5.4 mg/kg, ILD occurred in 9% of patients.
  • In clinical studies, of the 234 patients with unresectable or metastatic HER2-positive breast cancer who received ENHERTU 5.4mg/kg, a decrease in neutrophil count was reported in 62% of patients.
  • In the 234 patients with unresectable or metastatic HER2-positive breast cancer who received ENHERTU, two cases (0.9%) of asymptomatic LVEF decrease were reported.