{"nct_id":"NCT04973137","title":"A Study to Evaluate the Efficacy and Safety of Birtamimab in Mayo Stage IV Patients With AL Amyloidosis","status":"TERMINATED","status_verified_date":"2025-07","start_date":"2021-08-30","start_date_type":"ACTUAL","primary_completion_date":"2025-04-02","primary_completion_date_type":"ACTUAL","completion_date":"2025-06-20","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PRTA"]}