Treatment of Male Pattern Baldness With Botulinum Toxin

A Prospective, Single Center, Open Label, Proof of Principle Study to Assess the Efficacy and Safety of 150 Units of Botulinum Toxin-A Intra-Muscular Injection in the Prevention of Hair Loss in Men With Androgenetic Alopecia

Status

Completed

Phases

Phase 2

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00965640

Enrollment

Unknown

Registered

2009-08-25

Start date

2002-12-31

Completion date

2004-06-30

Last updated

2009-08-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Male Pattern Baldness

Keywords

male pattern baldness, androgenetic alopecia, hair loss

Brief summary

This proof of concept study seeks to demonstrate that Botulinum toxin injections are a safe and effective method for treating this form of hair loss.

Interventions

DRUGBotulinum Toxin - A injections

Study design

Primary purpose

SCREENING

Eligibility

Sex/Gender

MALE

Age

18 Years to 65 Years

Healthy volunteers

Yes

Inclusion criteria

* Male pattern baldness * Norwood II-VI

Exclusion criteria

* Treatment with Botulinum toxins or other hair growth interventions with past year

Design outcomes

Primary

Measure	Time frame
Hair Growth	1 year

Secondary

Measure	Time frame
Hair Loss	1 year

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026