Skin Diseases Clinical Trial
Official title:
Topical Oxybutynin Deodorant for Axillary Hyperhidrosis: a Local or a Systemic Effect? The TODAY Trial
The TODAY trial is a study to evaluate the efficacy and safety of topical oxybutynin deodorant for use in patients with axillary hyperhidrosis.
Background: Excessive sweating in patients with hyperhidrosis interferes with their quality of life and daily activities. Oral and topical treatments with anticholinergics are a promising strategy for medical management of axillary hyperhidrosis avoiding surgery. Purpose: This study aims to elucidate the efficacy and tolerability of topical oxybutynin deodorant compared with topical placebo and oral oxybutynin in patients with axillary hyperhidrosis. Methods: This is a single-center, prospective, open-label, randomized, and controlled study. Sixty patients with primary focal hyperhidrosis will be recruited and randomized in a 1:1:1 ratio to receive for 42 days either oxybutynin (10%) or placebo spray in a dose of 2 puffs in each armpit twice a day or oral oxybutynin (2.5 mg of oxybutynin once a day in the evening; from the 8th to the 14th day, they will receive 2.5 mg twice a day; and from the 15th day to the end of the 42nd day of treatment, they will receive 5 mg twice a day). The primary endpoint is composed of improvement in hyperhidrosis severity as measured by the Hyperhidrosis Disease Severity Scale (HDSS) and occurrence of adverse events and skin reactions following treatment. The secondary endpoint is composed of improvement in the Quality-of-Life Questionnaire (QoL) and plasma concentrations of oxybutynin following treatment determined by LC-MS/MS. Study visits will occur on Day 1 and Day 42. ;
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