COVID-19 is an emerging, rapidly evolving situation.
Get the latest public health information from CDC:

Get the latest research information from NIH:

Key Record Dates Identifier: NCT01947920
Brief Title: A Dose Ranging Escalation Study of Tramadol Hydrochloride in Healthy Volunteers

First Submitted : August 13, 2013
First Submitted that Met QC Criteria : September 18, 2013
First Posted : September 23, 2013 (Estimate)

Last Update Submitted that Met QC Criteria : December 15, 2014
Last Update Posted : December 16, 2014 (Estimate)