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The Randomized Double-blind Placebo-controlled Trial of Intralesional Botulinum Toxin A Injection for Recalcitrant Alopecia Totalis and Alopecia Universalis

2014-08-27 03:18:34 | BioPortfolio

Summary

The main purpose of this study is to determine the efficacy of intralesional botulinum toxin type A injection for recalcitrant alopecia totalis and alopecia universalis.

Treatments of recalcitrant alopecia totalis and universalis remains an challenge issue for medical practice.The application of diphenylcyclopropenone (DPCP) is still being an standard treatment for the condition, however, there are at least thirty percentage of patients recalcitrant to this treatment.

The complete etiology of this disease has yet to be clear.Nevertheless,recent studies have demonstrated the hypothesis of neurotransmitter involvements.

There is numerous evidence in support of an imbalance of transmitters, including substance P and Calcitonin gene-related peptide.

Botulinum toxin A injection has been used to treat a neuralgiform headache and diffused alopecia areata. Both headache and hair loss have been made much in improvement. This data may support the neurotransmitter imbalance theory.

The investigators have been informed about possible effects to the alopecia condition, therefore, this study is conducted to assess the efficacy of botulinum toxin A as the novel treatment for recalcitrant alopecia totalis and alopecia universalis.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Conditions

Recalcitrant Alopecia Totalis

Intervention

Botulinum toxin A

Location

Department of dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University
Bangkok
Thailand
10700

Status

Not yet recruiting

Source

Siriraj Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:18:34-0400

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