Study record managers: refer to the Data Element Definitions if submitting registration or results information.
|1||NCT02775474||Completed||Does Intraoperative Methadone Prevent Postoperative Pain in Bariatric Surgery?||
||32||All||18 Years to 65 Years (Adult, Older Adult)||NCT02775474||52792616.9.0000.0068||June 2016||January 2017||January 2017||May 17, 2016||January 26, 2017||
|2||NCT01055054||Enrolling by invitation||Bariatric Surgery Registry||
||5042||All||12 Years to 75 Years (Child, Adult, Older Adult)||NCT01055054||HM1587||July 1980||July 2018||July 2018||January 25, 2010||August 28, 2017||