Botox battle: which injection site lifts drooping mouth corners best?
NCT ID NCT07646886
First seen Jun 24, 2026 · Last updated Jul 08, 2026 · Updated 4 times
Summary
This study compares two injection sites for Botox to treat drooping mouth corners, a common sign of aging. 266 adults aged 18-60 will receive a single injection either in the upper or lower part of a specific mouth muscle. The goal is to see which spot works better and safer, and to create standard guidelines for doctors.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Botulinum toxin type A (Botox)
- What this could lead to
- If successful, this trial could establish the best injection site for treating drooping mouth corners with Botox, providing clear guidelines for doctors.
- What could go wrong
- This is a phase 4 trial, so the treatment is already approved for other uses. However, results may vary by individual, and there is a risk of temporary weakness in nearby muscles or asymmetry.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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