{"nct_id":"NCT00034645","title":"Prophylaxis Trial in High Risk Allogenic Stem Cell Transplant Recipients With Graft vs. Host Disease","status":"COMPLETED","status_verified_date":"2017-03","start_date":"1999-01","start_date_type":null,"primary_completion_date":"2003-02","primary_completion_date_type":"ACTUAL","completion_date":"2003-02","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}