{"nct_id":"NCT02790840","title":"A Multiple-Dose Pharmacokinetics Study of Three Gefapixant (AF-219/MK-7264) Formulations","status":"COMPLETED","status_verified_date":"2017-04","start_date":"2016-05-16","start_date_type":"ACTUAL","primary_completion_date":"2016-06-15","primary_completion_date_type":"ACTUAL","completion_date":"2016-06-21","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRK"]}