{"nct_id":"NCT04655040","title":"Estimation of the Effect of Multiple Dose Ritlecitinib (PF-06651600) on the Pharmacokinetics of a Single Dose of Caffeine in Healthy Participants","status":"COMPLETED","status_verified_date":"2021-03","start_date":"2020-12-18","start_date_type":"ACTUAL","primary_completion_date":"2021-03-05","primary_completion_date_type":"ACTUAL","completion_date":"2021-03-05","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["PFE"]}