New frown line injection shows promise in early trial

NCT ID NCT05100199

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested a new botulinum toxin injection (OnabotulinumtoxinA X) for treating moderate to severe frown lines between the eyebrows. 328 adults received either the active injection or a placebo. Researchers measured wrinkle improvement and tracked any side effects. The goal was to find the best dose and confirm safety.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

OnabotulinumtoxinA X (a botulinum toxin type A injection)

What this could lead to

If successful, this could lead to a new treatment option for reducing frown lines between the eyebrows.

What could go wrong

This is an early Phase 2 dose-ranging study, so results may not confirm effectiveness or safety. Side effects like injection site reactions or muscle weakness are possible.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Advanced Research Associates - Glendale /ID# 230418

    Glendale, Arizona, 85308, United States

  • Aesthetic Solutions /ID# 230716

    Chapel Hill, North Carolina, 27517-9901, United States

  • Aventiv Research Dublin /ID# 232546

    Dublin, Ohio, 43016, United States

  • Baumann Cosmetic and Research Institute /ID# 232545

    Miami, Florida, 33137-3254, United States

  • Center for Dermatology and Dermatologic Surgery /ID# 230684

    Washington D.C., District of Columbia, 20037-1445, United States

  • Coleman Center For Cosmetic Dermatologic Surgery /ID# 230693

    Metairie, Louisiana, 70006, United States

  • Etre Cosmetic Dermatology and Laser Center /ID# 230437

    New Orleans, Louisiana, 70130-4353, United States

  • Laser & Skin Surgery Center of New York /ID# 230683

    New York, New York, 10016-4974, United States

  • Premier Clinical Research /ID# 230682

    Spokane, Washington, 99202, United States

  • Research Institute of the Southeast, LLC /ID# 230436

    West Palm Beach, Florida, 33401-2712, United States

  • SLUCare Cosmetic Dermatology /ID# 230333

    St Louis, Missouri, 63122-3379, United States

  • Skin Search of Rochester Inc. /ID# 242540

    Rochester, New York, 14623, United States

  • Steven Fagien MD Aesthetic Eyelid Plastic Surgery /ID# 232542

    Boca Raton, Florida, 33431-6465, United States

  • The Eye Research Foundation /ID# 232544

    Newport Beach, California, 92663-3637, United States

  • The Research Center at The Maas Clinic /ID# 230685

    San Francisco, California, 94115-1809, United States

  • Westlake Dermatology & Cosmetic Surgery - Westlake /ID# 232543

    Austin, Texas, 78746-4720, United States

  • Westside Aesthetics /ID# 230305

    Los Angeles, California, 90025-1708, United States

  • Wilmington Dermatology Center /ID# 242544

    Wilmington, North Carolina, 28403, United States