{"nct_id":"NCT07122986","title":"A Study to Learn About a Vaccine Against E Coli in Healthy Adults","status":"RECRUITING","status_verified_date":"2025-08","start_date":"2025-08-11","start_date_type":"ACTUAL","primary_completion_date":"2028-05-25","primary_completion_date_type":"ESTIMATED","completion_date":"2028-05-25","completion_date_type":"ESTIMATED","phases":["PHASE1"],"tickers":["PFE"]}