{"nct_id":"NCT02462720","title":"COMFORT: A Multicenter, Open-label, Randomized, Crossover Study","status":"COMPLETED","status_verified_date":"2021-04","start_date":"2015-05","start_date_type":null,"primary_completion_date":"2015-12","primary_completion_date_type":"ACTUAL","completion_date":"2016-03","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["BSX"]}