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Lateral Canthal Rhytides With Medium Depth Chemical Peel With or Without Pretreatment With Botulinum Toxin A

Treatment of Lateral Canthal Rhytides With Medium Depth Chemical Peel With or Without Pretreatment With Botulinum Toxin A: A Split-face, Rater-blinded Randomized Control Trial

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01586819
Enrollment
26
Registered
2012-04-27
Start date
2011-09-30
Completion date
2013-05-31
Last updated
2017-09-11

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

Conditions

Wrinkles

Brief summary

This study is being done to find out if the use of botulinum toxin prior to a medium strength combination chemical peel (Jessner's peel followed by 35% Trichloroacetic acid peel) will improve the appearance of crow's feet wrinkles when compared to a chemical peel alone. Botulinum toxin type A is a purified substance, derived from a bacteria that block muscular nerve signals. Jessner's Peel, a combination of resorcinol (14g), salicylic acid (14g), and lactic acid (85%) in ethanol (95%), is a superficial chemical peel. These two products/procedures have been FDA approved to improve the appearance of facial wrinkles.

Detailed description

Wrinkling in the skin is caused by habitual facial expressions, aging, sun damage, smoking, poor hydration, and various other factors. There are two major types of wrinkles-dynamic and static. Dynamic wrinkles, which are due to excessive muscle activity, usually of the face, tend to disappear when you relax your facial muscles. The most common of these dynamic wrinkles are frown lines, forehead wrinkles, and eye wrinkles (or crow's feet). However, if the excessive muscle activity is carried on for too long, these do not disappear completely on relaxation, and are thus called static wrinkles. Static wrinkles are formed either by chronic excessive muscle activity or are due to the effects of age and gravity, with a loss of subcutaneous fat. Examples of static wrinkles are the nasolabial folds, which are the deep grooves running from the sides of the nose to the corners of the mouth.

Interventions

DRUGBotulinum Toxin

The botulinum toxin will be injected into the wrinkles crow's feet. The injections will take about 10 minutes to complete.

PROCEDUREChemical Peel Only

After cleansing the face with a pre-treatment cleansed composed of water and alcohol, the Jessner's peel solution \[a combination of resorcinol (14g), salicylic acid (14g), and lactic acid (85%) in ethanol (95%)\] will be applied to the entire face with a large cotton swab. The mixture will be left in place for a few minutes, and then the face will be wiped clean with water. Next, the TCA peel \[35% Trichloroacetic acid\] will be applied around the eyes. After leaving in place for a few minutes, cool, iced washcloths will be applied and the face will be wiped clean with water. Wound care regimen will consist of dilute acetic acid and either Aquaphor or petroleum jelly.

Sponsors

Loyola University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
30 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Age 30 to 75 years old * In good health * Has static and dynamic lateral canthal wrinkles (crow's feet) * Has the willingness and the ability to understand and provide informed consent and communicate with the investigator

Exclusion criteria

* Pregnant or lactating * Has received the following treatments: * botulinum toxin injections in the past 6 months * ablative laser procedure in the past 6 months * radiofrequency device treatment in the past 6 months * ultrasound device treatment in the past 6 months * medium to deep chemical peel in the past 6 months * temporary soft tissue augmentation material in the past year * semi-permanent soft tissue augmentation material in the past 2 years * permanent soft tissue augmentation material * Is planning to receive within the next 3 months, any cosmetic procedure (such as any chemical peels, botulinum toxin injections, ablative or non-ablative laser procedures, filler injections, radiofrequency procedures, dermabrasion, ultrasound and face lifting procedures) * Has an active infection on their face (excluding mild acne * Has a history of neuromuscular disorders * Has an allergy to albumin * Has an allergy to Aquaphor AND petroleum jelly * Has a history of bleeding disorders * Is unable to understand the protocol or to give informed consent * Has a mental illness

Design outcomes

Primary

MeasureTime frameDescription
Posttreament Results of Chemical Peel if Botox A is Added as Pre-treatmentBaseline and 12 weeksThe primary objective of this study is to determine if pre-treating the orbicularis oculi muscles with botulinum toxin A improves the results of medium depth chemical peels when treating lateral canthal rhytides. The primary dependent variable is the four-point Facial Wrinkle Severity Scale (FWSS): Grade 0 = no wrinkles; Grade 1 = mild wrinkles; Grade 2 = moderate wrinkles; and Grade 3 = severe wrinkles.
Change From Pre- to Post-treatment Scores of Chemical Peel if Botox A is Added as Pre-treatmentBaseline and 12 weeksThe primary objective of this study is to determine if there is a significant difference between the change from pre- to post-treatment scores on the facial wrinkle severity scale between the chemical peel control group and the chemical peel plus Botox A treatment group. The primary dependent variable is the four-point Facial Wrinkle Severity Scale (FWSS): Grade 0 = no wrinkles; Grade 1 = mild wrinkles; Grade 2 = moderate wrinkles; and Grade 3 = severe wrinkles.

Countries

United States

Participant flow

Participants by arm

ArmCount
Botulinum Toxin
The botulinum toxin will be injected into the wrinkles. The injections will take about 10 minutes to complete. Five follow-up visits will be scheduled at 1-7 days, 7-10 days, 2.5-3 weeks, and 12-14 weeks.
11
Chemical Peel Only
After cleansing the face with a pre-treatment cleansed composed of water and alcohol, the Jessner's peel solution \[a combination of resorcinol (14g), salicylic acid (14g), and lactic acid (85%) in ethanol (95%)\] will be applied to the entire face with a large cotton swab. The mixture will be left in place for a few minutes, and then the face will be wiped clean with water. Next, the TCA peel \[35% Trichloroacetic acid\] will be applied around the eyes. After leaving in place for a few minutes, cool, iced washcloths will be applied and the face will be wiped clean with water. Wound care regimen will consist of dilute acetic acid and either Aquaphor or petroleum jelly.
14
Total25

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyWithdrawal by Subject10

Baseline characteristics

CharacteristicBotulinum ToxinChemical Peel OnlyTotal
Age, Continuous47.3 Years
STANDARD_DEVIATION 4.8
51.9 Years
STANDARD_DEVIATION 7.1
49.8 Years
STANDARD_DEVIATION 6.5
Sex: Female, Male
Female
11 Participants14 Participants25 Participants
Sex: Female, Male
Male
0 Participants0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 110 / 14
other
Total, other adverse events
0 / 110 / 14
serious
Total, serious adverse events
0 / 110 / 14

Outcome results

Primary

Change From Pre- to Post-treatment Scores of Chemical Peel if Botox A is Added as Pre-treatment

The primary objective of this study is to determine if there is a significant difference between the change from pre- to post-treatment scores on the facial wrinkle severity scale between the chemical peel control group and the chemical peel plus Botox A treatment group. The primary dependent variable is the four-point Facial Wrinkle Severity Scale (FWSS): Grade 0 = no wrinkles; Grade 1 = mild wrinkles; Grade 2 = moderate wrinkles; and Grade 3 = severe wrinkles.

Time frame: Baseline and 12 weeks

Population: Twenty-six female subjects ages 30 to 75 years old were enrolled in this study.

ArmMeasureValue (MEDIAN)
Botulinum ToxinChange From Pre- to Post-treatment Scores of Chemical Peel if Botox A is Added as Pre-treatment2 Units on a wrinkle severity scale
Chemical Peel OnlyChange From Pre- to Post-treatment Scores of Chemical Peel if Botox A is Added as Pre-treatment1 Units on a wrinkle severity scale
Comparison: The null hypothesis was that subjects receiving Botox A as an added pre-treatment would have higher difference scores, pre- to post-treatment, on the facial wrinkle severity scale suggesting a more pronounced effect of the chemical peel in combination with the Botox A therapy.p-value: 0.001Wilcoxon (Mann-Whitney)
Primary

Posttreament Results of Chemical Peel if Botox A is Added as Pre-treatment

The primary objective of this study is to determine if pre-treating the orbicularis oculi muscles with botulinum toxin A improves the results of medium depth chemical peels when treating lateral canthal rhytides. The primary dependent variable is the four-point Facial Wrinkle Severity Scale (FWSS): Grade 0 = no wrinkles; Grade 1 = mild wrinkles; Grade 2 = moderate wrinkles; and Grade 3 = severe wrinkles.

Time frame: Baseline and 12 weeks

Population: Twenty-six female subjects ages 30 to 75 years old were enrolled in this study.

ArmMeasureValue (MEDIAN)
Botulinum ToxinPosttreament Results of Chemical Peel if Botox A is Added as Pre-treatment1 Units on a wrinkle severity scale
Chemical Peel OnlyPosttreament Results of Chemical Peel if Botox A is Added as Pre-treatment2 Units on a wrinkle severity scale
Comparison: The null hypothesis was that subjects receiving Botox A as an added pre-treatment would have lower scores on the facial wrinkle severity scale post-treatment.p-value: 0.002Wilcoxon (Mann-Whitney)

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