ERBB2 and breast cancer: This phase III clinical trial is still ongoing, and it is anticipated that gedatolisib will be able to treat a broader patient population in the future (Study Details Gedatolisib Plus Fulvestrant With or Without Palbociclib vs. Standard-of-Care for the Treatment of Patients With Advanced or Metastatic HR+/HER2- Breast Cancer VIKTORIA-1 ClinicalTrials.gov, 2023).