Smell in COVID-19 and Efficacy of Nasal Theophylline (SCENT 3)

Summary

The purpose of this Phase II trial is to test the effectiveness of intranasal theophylline irrigations for the treatment of COVID-19 related smell dysfunction. The investigators will compare the effect of theophylline nasal rinses versus placebo nasal rinses on smell symptoms. Participants will be asked to rinse their nose with a medication or placebo capsule dissolved in saltwater twice daily for 12 weeks and fill out surveys about smell before, during, and at the end of treatment. This study will also be used to describe adverse effects related to intranasal theophylline irrigation.

Timeline

Start

2022-11-22

Primary completion

2025-04-24

Completion

2025-08-04

Publications

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Drugs

Indications