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

> **NCT00997815** · PHASE2,PHASE3 · COMPLETED · sponsor: **Siriraj Hospital** · enrollment: 20 (actual)

## Conditions studied

- Recalcitrant Alopecia Totalis
- Recalcitrant Alopecia Universalis

## Interventions

- **DRUG:** Botulinum toxin A
- **DRUG:** Normal saline injection

## Key facts

- **NCT ID:** NCT00997815
- **Lead sponsor:** Siriraj Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-12
- **Primary completion:** 2010-12
- **Final completion:** 2011-06
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2012-08-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00997815

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00997815, "The Randomized Double-blind Placebo-controlled Trial of Intralesional Botulinum Toxin A Injection for Recalcitrant Alopecia Totalis and Alopecia Universalis". Retrieved via AI Analytics 2026-07-12 from https://api.ai-analytics.org/clinical/NCT00997815. Licensed CC0.

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