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Key Record Dates

ClinicalTrials.gov Identifier: NCT00648973
Brief Title: To Determine if Diphenhydramine Works for Nasal Congestion at Two Different Doses

First Submitted : March 20, 2008
First Submitted that Met QC Criteria : March 27, 2008
First Posted : April 1, 2008 (Estimate)

Last Update Submitted that Met QC Criteria : August 19, 2011
Last Update Posted : August 22, 2011 (Estimate)