{"nct_id":"NCT02668783","title":"Efficacy and Safety of Etonogestrel + 17β-Estradiol Vaginal Ring (MK-8342B) in Women With Primary Dysmenorrhea (With Optional Extension) (MK-8342B-059)","status":"TERMINATED","status_verified_date":"2022-02","start_date":"2016-02-11","start_date_type":"ACTUAL","primary_completion_date":"2016-09-07","primary_completion_date_type":"ACTUAL","completion_date":"2016-09-07","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["OGN"]}