{"nct_id":"NCT04758962","title":"A Study of the Safety of and Immune Response to Varying Doses of a Vaccine Against COVID-19 in Healthy Adults","status":"COMPLETED","status_verified_date":"2024-01","start_date":"2021-02-15","start_date_type":"ACTUAL","primary_completion_date":"2021-06-04","primary_completion_date_type":"ACTUAL","completion_date":"2022-04-19","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["GSK"]}