Stimulation of Sensation and Improvement in Swallowing Using Oral Capsaicin

Dysphagia Clinical Trial

Official title: Stimulation of Sensation and Improvement in Swallowing Using Oral Capsaicin

Status Completed

Clinical Trial Summary

This is a research study to learn more about whether capsaicin, a natural ingredient of chili peppers that makes them taste "hot", can improve swallowing function. The purpose of this study is to evaluate whether sucking on a capsaicin lozenge improves sensation in the throat enough to improve swallowing function.

Clinical Trial Description

Swallowing problems are encountered frequently in primary practice and in the hospital setting. The list of possible causes is large, ranging from strokes and neurological disease through to complications of cancer treatment, acid reflux, and surgery. Many patients have a reduced ability to feel food and fluid (reduced sensation) within the throat (pharynx) and this leads to inability to manipulate food and fluids in the correct manner. This can produce a variety of swallowing problems such as choking on foods and fluids, regurgitation, aspiration, weight loss, malnutrition and poor quality of life.

Treatment is largely directed at rehabilitation of muscle power and education about safe swallowing techniques or positioning that limits food and fluid entering the airway. A novel approach is to try to improve sensation within the pharynx so that patients can feel substances present and then manipulate them in a more appropriate and safe manner. In this regard capsaicin, a nutritional supplement derived from peppers, has shown a stimulatory effect on sensory nerves and an ability to improve the swallowing reflex (Ebihara et al., 2005). Although studies have shown that capsaicin can improve the swallowing reflex, data regarding improvement in swallowing function is lacking. Using a small dose of capsaicin administered as a lozenge, we hope to stimulate sensation within the pharynx enough to improve physical swallowing measures on a contrast swallow study. This method of application is comfortable, easy and directed to the site of action. ;

Related Conditions & MeSH terms

• Deglutition Disorders
• Dysphagia
• Gastroesophageal Reflux

• NCT number: NCT01053286
• Study type: Observational
• Source: University of California, Davis
• Status: Completed
• Phase: N/A
• Start date: October 2009
• Completion date: July 2012