{"nct_id":"NCT06395103","title":"Substudy 01A: Zilovertamab Vedotin in Pediatric and Young Adult Participants With Hematologic Malignancies or Solid Tumors (MK-9999-01A/LIGHTBEAM-U01)","status":"RECRUITING","status_verified_date":"2025-09","start_date":"2024-08-16","start_date_type":"ACTUAL","primary_completion_date":"2029-03-31","primary_completion_date_type":"ESTIMATED","completion_date":"2029-03-31","completion_date_type":"ESTIMATED","phases":["PHASE1","PHASE2"],"tickers":["MRK"]}