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Safety and Efficacy of AbobotulinumtoxinA for the Treatment of Glabellar Lines

A Multicenter, Randomized, Dose-Ranging, Double-Blind, Placebo-Controlled Study to Evaluate the Safety and Efficacy of AbobotulinumtoxinA for the Treatment of Moderate to Severe Glabellar Lines

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03736928
Enrollment
401
Registered
2018-11-09
Start date
2018-11-26
Completion date
2020-08-20
Last updated
2022-08-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Glabellar Frown Lines

Brief summary

An interventional phase 2 study to evaluate safety and efficacy of AbobotulinumtoxinA treatment for glabellar lines

Interventions

BIOLOGICALAbobotulinumtoxinA dose 4

Intramuscular; 0.05 mL per injection site; single treatment of glabellar facial lines

BIOLOGICALAbobotulinumtoxinA dose level 1 or 2

Intramuscular; 0.05 mL per injection site; single treatment of glabellar facial lines

OTHERplacebo

Intramuscular; 0.05 mL per injection site; single treatment of glabellar facial lines

Intramuscular; 0.05 mL per injection site; single treatment of glabellar facial lines

Sponsors

Galderma R&D
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Moderate to severe glabellar lines at maximum frown as assessed by the Investigator using a photographic scale * Moderate to severe glabellar lines at maximum frown as assessed by the subject using a static categorical scale

Exclusion criteria

* Botulinum toxin treatment in the face within 9 months prior to study treatment

Design outcomes

Primary

MeasureTime frameDescription
Number of Composite Responders at Month 1Month 1 after treatmentcomposite responder is defined as a subject who achieves a score of 0 or 1 and at least 2 grade improvement on both the Investigator Live Assessment (ILA) and the Subject Self Assessment (SSA)

Countries

United States

Participant flow

Pre-assignment details

401 subjects were randomized, and 399 subjects received study product. Two (2) of the 401 randomized subjects did not receive study product due to hypertension that was identified pre-treatment.

Participants by arm

ArmCount
Dose Level 1 AbobotulinumtoxinA
Subjects randomized (4:1) to dose level 1 AbobotulinumtoxinA or placebo AbobotulinumtoxinA dose 1/2: treatment of glabellar facial lines placebo: treatment of glabellar facial lines
80
Dose Level 2 AbobotulinumtoxinA
Subjects randomized (4:1) to dose level 2 AbobotulinumtoxinA or placebo AbobotulinumtoxinA dose 1/2: treatment of glabellar facial lines placebo: treatment of glabellar facial lines
80
Dose Level 3 AbobotulinumtoxinA
Subjects randomized (4:1) to dose group 3 AbobotulinumtoxinA or placebo placebo: treatment of glabellar facial lines AbobotulinumtoxinA dose 3: treatment of glabellar facial lines
80
Dose Level 4 AbobotulinumtoxinA
Subjects randomized (4:1) to dose group 4 AbobotulinumtoxinA or placebo placebo: treatment of glabellar facial lines AbobotulinumtoxinA dose 4: treatment of glabellar facial lines
81
Placebo
Subjects randomized to placebo
78
Total399

Baseline characteristics

CharacteristicDose Level 1 AbobotulinumtoxinATotalPlaceboDose Level 4 AbobotulinumtoxinADose Level 3 AbobotulinumtoxinADose Level 2 AbobotulinumtoxinA
Age, Continuous49.4 years
STANDARD_DEVIATION 9.54
48.4 years
STANDARD_DEVIATION 10.68
47.6 years
STANDARD_DEVIATION 11.5
48.4 years
STANDARD_DEVIATION 10.22
46.3 years
STANDARD_DEVIATION 11.52
50.2 years
STANDARD_DEVIATION 10.33
Fitzpatrick Skin Type (FST)
FST I
1 Participants7 Participants5 Participants0 Participants1 Participants0 Participants
Fitzpatrick Skin Type (FST)
FST II
27 Participants106 Participants17 Participants20 Participants21 Participants21 Participants
Fitzpatrick Skin Type (FST)
FST III
32 Participants154 Participants33 Participants28 Participants28 Participants33 Participants
Fitzpatrick Skin Type (FST)
FST IV
14 Participants85 Participants19 Participants19 Participants21 Participants12 Participants
Fitzpatrick Skin Type (FST)
FST V
4 Participants24 Participants0 Participants8 Participants4 Participants8 Participants
Fitzpatrick Skin Type (FST)
FST VI
2 Participants23 Participants4 Participants6 Participants5 Participants6 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants1 Participants1 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants8 Participants1 Participants5 Participants0 Participants2 Participants
Race (NIH/OMB)
Black or African American
4 Participants26 Participants4 Participants6 Participants5 Participants7 Participants
Race (NIH/OMB)
More than one race
1 Participants3 Participants0 Participants1 Participants0 Participants1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants4 Participants0 Participants2 Participants0 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants9 Participants1 Participants1 Participants3 Participants2 Participants
Race (NIH/OMB)
White
72 Participants348 Participants71 Participants66 Participants72 Participants67 Participants
Region of Enrollment
United States
80 participants399 participants78 participants81 participants80 participants80 participants
Sex: Female, Male
Female
72 Participants352 Participants68 Participants73 Participants68 Participants71 Participants
Sex: Female, Male
Male
8 Participants47 Participants10 Participants8 Participants12 Participants9 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
0 / 800 / 800 / 800 / 810 / 78
other
Total, other adverse events
3 / 801 / 801 / 804 / 812 / 78
serious
Total, serious adverse events
1 / 803 / 800 / 801 / 810 / 78

Outcome results

Primary

Number of Composite Responders at Month 1

composite responder is defined as a subject who achieves a score of 0 or 1 and at least 2 grade improvement on both the Investigator Live Assessment (ILA) and the Subject Self Assessment (SSA)

Time frame: Month 1 after treatment

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Dose Level 1 AbobotulinumtoxinANumber of Composite Responders at Month 164 Participants
Dose Level 2 AbobotulinumtoxinANumber of Composite Responders at Month 171 Participants
Dose Level 3 AbobotulinumtoxinANumber of Composite Responders at Month 172 Participants
Dose Level 4 AbobotulinumtoxinANumber of Composite Responders at Month 177 Participants
PlaceboNumber of Composite Responders at Month 12 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026