Using Botulinum Toxin A to Improve Eyebrow Lift Scars

Use of Botulinum Toxin A in Direct Eyebrow Lift Scar: a Randomized Controlled Clinical Trial

Phase 2 Interventional University of Sao Paulo · NCT06465056

This study is testing if using botulinum toxin A can help improve the appearance of scars after eyebrow lift surgery.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Sao Paulo Academic / other
Drugs / interventionschemotherapy
Locations2 sites (São Paulo and 1 other locations)
Trial IDNCT06465056 on ClinicalTrials.gov

What this trial studies

This study is a prospective, controlled, and randomized trial that investigates the effects of botulinum toxin A on the healing of scars following direct eyebrow lift surgery. Participants will be randomly assigned to receive botulinum toxin in one eyebrow and a saline placebo in the other, allowing for a direct comparison of outcomes. The study aims to assess the appearance of scars through non-invasive examinations post-surgery. The goal is to determine if botulinum toxin A can enhance scar healing and improve aesthetic results for patients undergoing this procedure.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old who are scheduled for direct eyebrow lift surgery.

Not a fit: Patients who are pregnant, breastfeeding, or have certain neuromuscular diseases will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly improve the cosmetic outcomes of eyebrow lift surgeries for patients.

How similar studies have performed: Previous studies have shown positive results using botulinum toxin A for improving scar appearance in other surgical contexts, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients over 18 years of age with indication for direct eyebrow lift surgery.

Exclusion Criteria:

* Vulnerable groups: children, pregnant women and immunosuppressed patients
* Allergy to botulinum toxin A
* Patients under 18 years old
* Women who are breastfeeding
* Patients with muscular/neuromuscular diseases such as myasthenia gravis and amyotrophic lateral sclerosis
* Patients who underwent botulinum toxin A injection in the last 6 months prior to surgery
* Patients with a history of radiotherapy, chemotherapy or hematological disorders
* Refusal to participate in the study

Where this trial is running

São Paulo and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Skin ScarringEyebrow PtosisBotulinum Toxin ADirect eyebrow liftEyebrow scar
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.