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LetibotulinumtoxinA for Rosacea: A Pilot Study
Agnieszka Bańka-Wrona1,2, Witold Wrona2,3, Wioletta Barańska-Rybak4
1Faculty of Medicine, Łazarski University, 02-662 Warsaw, Poland.
Toxins
|April 27, 2026
Summary
Intradermal letibotulinumtoxinA shows promise for treating rosacea. This pilot study found it effectively reduced facial redness and flushing, improving skin quality and patient life quality with minimal side effects.
Area of Science:
- Dermatology
- Neurotoxin Research
- Medical Aesthetics
Background:
- Rosacea-induced erythema and flushing are often poorly managed by conventional treatments.
- Intradermal botulinum toxin A is being explored for its potential to address the neurovascular aspects of rosacea.
- Persistent facial redness and flushing significantly impact patients' quality of life.
Purpose of the Study:
- To assess the safety and preliminary efficacy of intradermal letibotulinumtoxinA for persistent rosacea erythema and flushing.
- To evaluate the treatment's impact on skin hydration, sebum, elasticity, and quality of life.
Main Methods:
- A pilot study involving eleven patients with refractory erythematotelangiectatic rosacea.
- A single session of intradermal letibotulinumtoxinA (20 U total dose) was administered.
- Outcomes were assessed at two weeks, including clinician and patient ratings, skin parameters, and Dermatology Life Quality Index (DLQI).
Main Results:
- 73% of patients experienced improved erythema, and 100% reported reduced flushing.
- Skin hydration and elasticity increased, while sebum levels decreased.
- The median DLQI score significantly improved from 9 to 2, indicating enhanced quality of life.
Conclusions:
- Intradermal letibotulinumtoxinA was well-tolerated with minor, transient side effects.
- The treatment demonstrated preliminary efficacy in reducing rosacea symptoms and improving skin condition.
- Larger, controlled studies are needed to confirm these findings for rosacea management.
