The Utility of Nexium in Chronic Cough and Reflux Disease

Completed · Phase 4 · Has a placebo group

Conditions studied: Cough, GERD

In brief

The purpose of this research study is to investigate different doses of proton pump inhibitors in reducing cough symptoms felt to be associated with Gastroesophageal reflux disease (GERD). Proton pump inhibitors are medicines used to treat GERD, which work by lowering the amount of acid in the stomach. The proton pump inhibitor used in this study is called, Esomeprazole (brand name Nexium), and is already marketed for treating GERD. Patients with GERD may experience all or some of the following symptoms: stomach acid or partially digested food re-entering the esophagus (which is sometimes referred to as heartburn or regurgitation), belching and coughing. Even very small, unnoticeable amounts of rising stomach acid may cause patients to cough. Because there may be a link between chronic cough and GERD, study doctors are interested in learning if giving high-dose Nexium (40 milligrams, twice daily) will help in treating chronic cough.

Key facts

Study ID

NCT00287339

Run by

University of North Carolina, Chapel Hill

People needed

40

Starts

2005-09-01

Expected to finish

2008-09-01

Last updated by the study team

2012-01-10

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• males and females (of non-childbearing potential. ie-surgically sterile, or willing to use an approved form of birth control) between the ages of 18 and 70 who speak and write in English,
• chronic cough (> 8 wks/another article used > 6 wks) with symptom severity criteria of 2 or greater on the Fisman Cough Severity Score and 3 or greater or the Fisman Cough Frequency Score, and,
• failure to respond to post nasal drip therapy.

You may not qualify if…

• abnormal chest x-ray,
• patients taking H2 blockers within the previous 3 days or PPI's within the previous 7 days,
• failure to respond to past PPI therapy given for cough that lasted at least 12 weeks,
• use of an investigational drug within the past 30 days,
• previous surgical antireflux or non-surgical endoscopic anti-reflux procedure (ex., Stretta or endoscopic sewing device),
• previous aerodigestive malignancy,
• current smokers, or ex-smokers (defined as those who quit smoking less than 3 months prior to study enrollment or those who have quit, but have a 20 pack year smoking history),
• upper respiratory infection within 8 weeks prior to study enrollment,
• current use of a B- blocker, ACE-I, or anticholinesterases at time of enrollment.

Where it is running

• UNC Gastroenterology, UNC Pulmonology, UNC ENT — Chapel Hill, North Carolina, United States

Full record on ClinicalTrials.gov

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