{"nct_id":"NCT04317066","title":"A Study of Pembrolizumab (MK-3475) in Participants With Relapsed or Refractory Primary Mediastinal Large B-cell Lymphoma (rrPMBCL) (MK-3475-A33/KEYNOTE-A33)","status":"COMPLETED","status_verified_date":"2025-03","start_date":"2020-06-26","start_date_type":"ACTUAL","primary_completion_date":"2024-04-11","primary_completion_date_type":"ACTUAL","completion_date":"2024-04-11","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRK"]}