{"nct_id":"NCT06409663","title":"A Strain Change Study for SARS-CoV-2 rS Vaccines","status":"COMPLETED","status_verified_date":"2025-07","start_date":"2024-10-14","start_date_type":"ACTUAL","primary_completion_date":"2024-10-15","primary_completion_date_type":"ACTUAL","completion_date":"2025-04-17","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["NVAX"]}