{"nct_id":"NCT03056755","title":"Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole, Based on Prior Endocrine Therapy, in Patients With PIK3CA Mutant, HR+, HER2- Advanced Breast Cancer Who Have Progressed on or After Prior Treatments","status":"COMPLETED","status_verified_date":"2025-09","start_date":"2017-08-29","start_date_type":"ACTUAL","primary_completion_date":"2021-06-14","primary_completion_date_type":"ACTUAL","completion_date":"2024-11-12","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["NVS"]}