CompletedNot Applicable

Study of an Oropharyngeal Aerosolized pH Probe for Diagnosing Laryngopharyngeal Reflux (LPR)

United States45 participantsStarted 2006-05

Plain-language summary

This study is a test of how well a new FDA-approved device is for diagnosing a condition known as laryngopharyngeal reflux (LPR). The device, which measures pH of the air in the upper throat, will be compared to several other methods for diagnosing laryngopharyngeal reflux.

Who can participate

Age range18 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

INCLUSION CRITERIA: Group 1 (negative control): * RSI ≤ 13 * No history of voice or swallowing disorders * No active voice or swallowing disorders * No history of heartburn, regular indigestion, and no prior or current diagnosis of GERD Groups 2 and 3 (experimental group): * Clinical symptoms consistent with LPR as measured by an RSI \> 13. * No other voice or swallowing pathology on clinical exam EXCLUSION CRITERIA: * Regular treatment with an H2 blocker or proton pump inhibitor (PPI) * History of laryngeal/pharyngeal surgery * Any planned treatment of the larynx/pharynx other than treatment for LPR * Smoking

Trial details

NCT IDNCT00321503

SponsorEmory University

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2007-05

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