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: NCT03380715
Brief Title: A Comparison Between Co-phenylcaine Nasal Spray and Nasal Nebulization Prior to Rigid Nasoendoscopic Examination

First Submitted : November 1, 2017
First Submitted that Met QC Criteria : December 20, 2017
First Posted : December 21, 2017

Last Update Submitted that Met QC Criteria : April 15, 2019
Last Update Posted : April 17, 2019