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Helping Olfaction and Nutrition On Renal Replacement — HONORR  

End Stage Renal Disease Clinical Trial

Official title:
Helping Olfaction and Nutrition On Renal Replacement

Clinical Trial Summary

This clinical trial examines whether nasal theophylline administration can improve olfaction and nutrition in hemodialysis patients.

Clinical Trial Description

Malnutrition and cachexia are prevalent in end stage renal disease (ESRD) patients and are associated with increased morbidity and mortality. Food aversion is a major contributor to anorexia and malnutrition in ESRD and it also impacts the quality of life. Olfactory dysfunction has been shown to contribute to food aversion in ESRD patients. Since up to 80% of a meal's flavor is attributed to olfactory input, loss or alteration of smell leads to loss or alteration of taste in ESRD patients and at present there are no effective therapies to treat smell and/or taste disorders in ESRD patients. In patients with other causes of olfactory dysfunction such as congenital hyposmia and traumatic brain injury, intranasal theophylline has been shown to be effective in improving olfactory defects via increasing nasal mucus levels of cAMP and cGMP, second messengers critical for optimal smell sensation. However, the efficacy of nasal theophylline to improve olfaction in ESRD patients has not been investigated and the effects of nasal theophylline treatment on the nutritional parameters are unknown in ESRD patients. Aim: To examine the efficacy and safety of nasal theophylline treatment to improve olfaction and nutrition in ESRD patients Hypothesis: Nasal theophylline treatment improves olfaction and nutrition in ESRD patients with olfactory defects by via increasing intracellular cAMP and cGMP levels. A previous pilot clinical trial demonstrated that intranasal theophylline is safe and effective in improving olfactory deficits in congenital hyposmia and traumatic brain injury, however, it has not been examined in ESRD patients. The investigators will conduct a pilot single arm open-label clinical trial (n=20) of 6 weeks duration to examine the efficacy and safety of nasal theophylline in hemodialysis-dependent ESRD patients with olfactory defects. The investigators will examine whether nasal theophylline improves olfaction and nutritional status in trial participants. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02479451
Study type Interventional
Source Massachusetts General Hospital
Contact
Status Completed
Phase Phase 2
Start date October 2015
Completion date July 2022
View Details
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