Hyperhidrosis | Evaluate the Efficacy of Oxybutynin Chloride in Patients With Primary Hyperhidrosis

Hyperhidrosis research study

What is the primary objective of this study?

Treatment of primary hyperhidrosis through a comparative study between oxybutynin hydrochloride and placebo. Hydrochloride may decrease the symptoms of hyperhidrosis improving the subject's quality of life.

Who is eligible to participate?

Inclusion Criteria: - Understanding, agreement and consent form signed; - Literate; - Confirmed diagnosis for primary hyperhidrosis; - Screening tests at normal standards; - Absence of pregnancy by Beta-human chorionic gonadotropin test; Exclusion Criteria: - Secondary Hyperhidrosis; - Myasthenia gravis; - Lactation; - Hypersensitivity to oxybutynin; - Use more than 500mg of caffeine; - Alcoholism; - Use of illicit drug; - Changes in ECG (echocardiogram) or tonometry; - Any clinical condition that the investigator considers clinically significant.

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?


Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:OxybutyninThe doses will increase due to the absence/ lack of therapeutic response of the previous dose assessed during the study visits.

Drug:PlaceboThe quantity of tablets will increase due to the absence/ lack of therapeutic response.

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Oxybutynin ChlorideTablet Dose 5,0 or 10 mg/ day

Placebo- Tablet

Study Status


Start Date: December 2015

Completed Date: February 2016

Phase: Phase 3

Type: Interventional


Primary Outcome: Oxybutynin Chloride efficacy

Secondary Outcome: Perception of improvement

Study sponsors, principal investigator, and references

Principal Investigator: José R Milanez de Campos

Lead Sponsor: Cristália Produtos Químicos Farmacêuticos Ltda.

Collaborator: Hospital Israelita Albert Einstein

More information:

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