{"nct_id":"NCT04382326","title":"20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 4-Dose Series in Healthy Infants","status":"COMPLETED","status_verified_date":"2023-11","start_date":"2020-05-20","start_date_type":"ACTUAL","primary_completion_date":"2022-09-02","primary_completion_date_type":"ACTUAL","completion_date":"2022-09-02","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}