{"nct_id":"NCT04380701","title":"A Trial Investigating the Safety and Effects of Four BNT162 Vaccines Against COVID-19 in Healthy and Immunocompromised Adults","status":"COMPLETED","status_verified_date":"2024-01","start_date":"2020-04-23","start_date_type":"ACTUAL","primary_completion_date":"2021-06-30","primary_completion_date_type":"ACTUAL","completion_date":"2022-04-13","completion_date_type":"ACTUAL","phases":["PHASE1","PHASE2"],"tickers":["BNTX"]}