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OnabotulinumtoxinA X

Phase 2

Forehead Lines | Small molecule | Dermatology |AbbVie Inc.|Trials Updated: Sep 9, 2025

OnabotulinumtoxinA X development status

Highest phase Phase 2
Registered trials 2 across 1 sponsor since Oct 2021

OnabotulinumtoxinA X target and mechanism

Molecular targetSNAP25
Target classInhibitor
ModalitySmall molecule

Also known as OnabotA X

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment452

FDA Designations

No designations recorded

OnabotulinumtoxinA X clinical trials

OnabotulinumtoxinA X · 2 trials · 2 indications

Phase 2 2
NCT05152576A Study To Assess the Adverse Effects and Change in Condition of OnabotulinumtoxinA X Injection in Adult Participants With Forehead LinesForehead Lines
COMPLETED124 Analytics
NCT05100199A Study to the Assess the Change in Condition and Adverse Events of OnabotulinumtoxinA X Injection in Adult Participants With Glabellar LinesGlabellar Lines
COMPLETED328 Analytics
PHASE2COMPLETED
A Study To Assess the Adverse Effects and Change in Condition of OnabotulinumtoxinA X Injection in Adult Participants With Forehead Lines
Forehead LinesUnlock trial analytics
PHASE2COMPLETED
A Study to the Assess the Change in Condition and Adverse Events of OnabotulinumtoxinA X Injection in Adult Participants With Glabellar Lines
Glabellar LinesUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Adverse Events
Day 1 to Day 180

An adverse event (AE) is defined as any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product which does not necessarily have a casual relationship with this treatment. The investigator assesses the relationship of each event to the use of the study. A serious adverse event (SAE) is an event that results in death, is life threatening, requires or prolongs hospitalization, results in a congenital anomaly, persistent or significant disability/incapacity or is an important medical event, that based on medical judgment, may jeopardize the participant and may require medical or surgical intervention to prevent any of the outcomes listed above.

Percentage of Participants With Potentially Clinically Significant Vital Sign Parameters
Day 1 to Day 180

Percentage of participants with potentially clinically significant vital sign measurements like systolic and diastolic blood pressure will be assessed.

Percentage of Participants With Achievement of ≥ 1-grade Improvement From Baseline on the Investigator-rated Clinician Forehead Lines Scale at Maximum Contraction.
Day 1 to Day 30

Facial Wrinkle Scale - Forehead Lines (FWS-FHL) at maximum contraction (also known as eyebrow elevation) The Clinician Forehead Lines Scale is a four point scale used to assess the severity of forehead lines at maximum contraction ranging from 0 - None to 3 - Severe.

Percentage of Participants With Achievement of ≥ 1-grade Improvement From Baseline as Rated by Investigator Using the Clinician Glabellar Lines Scale.
Day 1 to Day 30

The Clinician Glabellar Lines Scale is a four point scale used to assess the severity of Glabellar Lines at maximum contraction ranging from 0 - None to 3 - Severe

Percentage of Participants With Adverse Events (AEs)
Day 1 to Day 270

An adverse event (AE) is defined as any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product which does not necessarily have a causal relationship with this treatment. The investigator assesses the relationship of each event to the use of study. A serious adverse event (SAE) is an event that results in death, is life-threatening, requires or prolongs hospitalization, results in a congenital anomaly, persistent or significant disability/incapacity or is an important medical event that, based on medical judgment, may jeopardize the participant and may require medical or surgical intervention to prevent any of the outcomes listed above. Treatment-emergent adverse events/treatment-emergent serious adverse events (TEAEs/TESAEs) are defined as any event that began or worsened in severity on or after the first dose of study drug.

Secondary Endpoints

Percentage of Participants With Achievement of None or Mild as Rated by Investigator Using the Clinician Glabellar Lines Scale.
Day 1 to Day 30
Percentage of Participants With Achievement of Improvement Per the Facial Lines Satisfaction Questionnaire Impact Domain, Among Subjects With Baseline Scores of 14 Points or Greater.
Day 1 to Day 30
Percentage of Participants With Achievement of Satisfaction With Treatment Per the Facial Line Satisfaction Questionnaire Item 5.
Day 1 to Day 60
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
PlaceboPLACEBO_COMPARATORPlacebo will be injected into the forehead on Day 1.
OnabotulinumtoxinA X Dose AEXPERIMENTALOnabotulinumtoxinA X will be injected into the forehead on Day 1.
OnabotulinumtoxinA X Dose BEXPERIMENTALOnabotulinumtoxinA X will be injected into the forehead on Day 1.
OnabotulinumtoxinA X Dose CEXPERIMENTALOnabotulinumtoxinA X will be injected into the forehead on Day 1.

Interventions

NameTypeDescription
OnabotulinumtoxinA XDRUGIntramuscular Injection
PlaceboDRUGIntramuscular Injection
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: * Participant has sufficient visual acuity without the use of eyeglasses (contact lens use is acceptable) to accurately assess their facial lines * Participant has moderate or severe Forehead Lines (FHL) at maximum eyebrow elevation Exclusion Criteria: * History of known immun...

Countries:United States
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Frequently asked questions about OnabotulinumtoxinA X

What is OnabotulinumtoxinA X used for?

OnabotulinumtoxinA X is being developed for aesthetic treatment of facial lines, specifically forehead lines and glabellar lines. It is an investigational injectable product studied in adult participants. AbbVie Inc. is developing it as a Phase 2 candidate in dermatology.

What does OnabotulinumtoxinA X target?

OnabotulinumtoxinA X targets SNAP25, a protein involved in neurotransmitter release at nerve terminals. It acts as an inhibitor of SNAP25. By targeting this protein, the drug is designed to reduce muscle contraction that contributes to facial lines such as forehead and glabellar lines.

Who makes OnabotulinumtoxinA X?

OnabotulinumtoxinA X is being developed by AbbVie Inc., which trades under the ticker ABBV. AbbVie is the sponsor of the clinical trials evaluating the drug in adult participants with forehead lines and glabellar lines.

What phase is OnabotulinumtoxinA X in?

OnabotulinumtoxinA X is in Phase 2 clinical development. It is an investigational product and has not been approved by the FDA. The Phase 2 program includes completed trials in forehead lines and glabellar lines, with no active trials currently listed.

What clinical trials is OnabotulinumtoxinA X in?

OnabotulinumtoxinA X has been studied in two completed Phase 2 trials. NCT05152576 evaluated the drug in 124 adults with forehead lines in the United States. NCT00199 assessed 328 adults with glabellar lines, also in the United States. Both were randomized, double-blind, and placebo-controlled.