{"nct_id":"NCT05172960","title":"ALLIANCE: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve","status":"ACTIVE_NOT_RECRUITING","status_verified_date":"2025-08","start_date":"2022-06-20","start_date_type":"ACTUAL","primary_completion_date":"2025-07-22","primary_completion_date_type":"ACTUAL","completion_date":"2034-12","completion_date_type":"ESTIMATED","phases":["NA"],"tickers":["EW"]}