{"nct_id":"NCT03493542","title":"A Study to Evaluate the Immunogenicity, Safety and Tolerability of Quadrivalent Human Papillomavirus Vaccine (V501) in Chinese Girls Aged 9-19 Years and Young Women Aged 20-26 Years (V501-213)","status":"COMPLETED","status_verified_date":"2024-12","start_date":"2018-08-31","start_date_type":"ACTUAL","primary_completion_date":"2023-10-30","primary_completion_date_type":"ACTUAL","completion_date":"2023-10-30","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}