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Key Record Dates Identifier: NCT01350037
Brief Title: Alfentanil Versus Remifentanil in Patient-controlled Sedation During Endoscopic Retrograde Cholangiopancreatography (ERCP)

First Submitted : May 5, 2011
First Submitted that Met QC Criteria : May 6, 2011
First Posted : May 9, 2011 (Estimate)

Last Update Submitted that Met QC Criteria : July 4, 2012
Last Update Posted : July 6, 2012 (Estimate)