{"nct_id":"NCT06703606","title":"A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.","status":"RECRUITING","status_verified_date":"2025-08","start_date":"2025-05-13","start_date_type":"ACTUAL","primary_completion_date":"2027-05-05","primary_completion_date_type":"ESTIMATED","completion_date":"2027-05-05","completion_date_type":"ESTIMATED","phases":["PHASE1"],"tickers":["PFE"]}