New wrinkle treatment AGN-151586 tested in japanese adults
NCT ID NCT06151561
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tested an investigational botulinum toxin injection called AGN-151586 for moderate to severe frown lines (glabellar lines) in 24 Japanese adults. Participants received either the active drug or a placebo, and researchers measured wrinkle improvement and safety over about 6 weeks. The goal is to see if this treatment is safe and effective for this population.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- AGN-151586 (botulinum toxin injection)
- What this could lead to
- If it works, this could offer a safe and effective option for reducing frown lines in Japanese adults.
- What could go wrong
- This is a very early, small Phase 1/2 trial with only 24 participants. The results may not apply to everyone, and side effects or lack of effect are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
24 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Apr 2024
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 64 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participants must be in good health as per investigator's judgment based on medical history, physical examination, neurological assessment, clinical laboratory evaluations, ECG results, and vital sign measurements. * Participants must have moderate or severe GL at maximum frown as assessed by the investigator using the FWS-A at Screening and Baseline Day 1 Visit. The investigator ratings do not have to match between Screening and Baseline Day 1 Visit. Exclusion Criteria: * Participants must not have uncontrolled systemic disease. * History of known immunization to any botulinum neurotoxin serotype * Tattoos, jewelry, or clothing which obscure the glabellar area and cannot be removed. * Anticipated need for surgery or overnight hospitalization during the study. * History of surgical procedures on forehead and/or periorbital areas or affecting these areas including any lifting procedure (e.g., rhinoplasty, facial lift, suture lift, thread lift, brow lift, eyelid and/or eyebrow surgery). * History of periorbital, mid-facial, or upper-facial treatment with semi permanent or permanent soft tissue fillers (e.g., poly-L-lactic acid, polyalkylimide, polymethylmethacrylate, polytetrafluoroethylene, and silicone), synthetic implantation and/or autologous fat transplantation. * Known active severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. * Female subject who is pregnant or breastfeeding, and is considering becoming pregnant or donating eggs during the study or for approximately 30 days after the last dose of study drug or until the end of study, whichever is longer. * Participant who has been treated with any investigational drug within 30 days of the drug prior to the first dose of study drug or is currently enrolled in another clinical study or was previously enrolled in this study. * Anticipated need for treatment with botulinum neurotoxin of any serotype for any reason during the study (other than study drug).
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Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Tokyo Center Clinic /ID# 257898
Central District, Tokyo, 103-0028, Japan
More trials for these conditions
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