Split-face Tolerability Comparison Between Adapalene-Benzoyl Peroxide Gel Versus Tretinoin Gel

July 28, 2022 updated by: Galderma R&D

Split-face Tolerability Comparison Between Epiduo® (Adapalene and Benzoyl Peroxide) Gel 0.1%/2.5% Versus Retin-A Micro® (Tretinoin Gel) Microsphere, 0.1% in Subjects With Acne Vulgaris

To compare the tolerability of Epiduo® (adapalene and benzoyl peroxide) Gel 0.1%/2.5% to Retin-A Micro® (tretinoin gel) microsphere when used by subjects with acne vulgaris for 3 weeks in terms of local tolerability parameters (erythema, dryness, scaling, stinging/burning) and preference.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Adult subjects with acne vulgaris will receive tretinoin gel 0.1% on one side of the face and adapalene 0.1% / benzoyl peroxide 2.5% gel on the other side of the face once daily for a period 3 weeks (22 days). Tolerability assessments (erythema, dryness, scaling, stinging/burning)on both sides of the face will be taken on each visit, on each weekday from from baseline to day 22. The investigator and subjects will respond to user preference questions on days 5, 12, 19, and 22.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
73

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Texas
      • Dallas, Texas, United States, 75006
        • Stephens and Associates

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Male and female subjects of any race
  • Subjects 18 years or older
  • Subjects with acne vulgaris

Exclusion Criteria:

  • Subjects with an allergy to a component of the study drugs (refer to the package inserts for Epiduo Gel and Retin-A Micro 0.1%)
  • Subjects with a washout period for topical treatment (less than 1 week for corticosteroids or 4 weeks for retinoids)
  • Subjects with a washout period for systemic treatment (less than 1 week for medications that may have increased photosensitivity or 4 weeks for corticosteroids or 24 weeks for oral retinoids)
  • Subjects with a sunburn, eczema, atopic dermatitis, perioral dermatitis, rosacea, or other topical conditions on the treatment area
  • Subjects with planned unprotected and intense UV exposure during the study (mountain sports, UV radiation, sunbathing, etc)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Epiduo Gel
Adapalene 0.1% and benzoyl peroxide 2.5% gel
Drug: Epiduo Gel
Once-daily application of fixed dose of adapalene 0.1% and benzoyl peroxide 2.5% in an aqueous based gel.
Active Comparator: Retin-A Micro Microsphere 0.1%
Tretinoin gel, 0.1%
Drug: Retin-A Micro Microsphere 0.1%
Once-daily application of tretinoin gel, 0.1% by weight, in a formulation of porous microspheres in an aqueous gel.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Worst Postbaseline Tolerability (Erythema)
Time Frame: Day 1 - Day 22
Worst postbaseline tolerability assessment for erythema.
Day 1 - Day 22
Worst Postbaseline Tolerability (Scaling)
Time Frame: Day 1 - Day 22
Worst postbaseline assessment for scaling.
Day 1 - Day 22
Worst Postbaseline Tolerability (Dryness)
Time Frame: Day 1 - Day 22
Worst postbaseline tolerability assessments for dryness.
Day 1 - Day 22
Worst Postbaseline Tolerability (Stinging/Burning)
Time Frame: Day 1 - Day 22
Worst postbaseline tolerability assessments for stinging/burning
Day 1 - Day 22

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Tolerability at Day 22 (Erythema)
Time Frame: Day 22
Tolerability assessments at day 22 for erythema
Day 22
Tolerability at Day 22 (Dryness)
Time Frame: Day 22
Tolerability assessments at day 22 for dryness
Day 22
Tolerability at Day 22 (Scaling)
Time Frame: Day 22
Tolerability assessments at day 22 for scaling
Day 22
Tolerability at Day 22 (Stinging/Burning)
Time Frame: Day 22
Tolerability assessments at day 22 for stinging/burning
Day 22
Cumulative Tolerability (Erythema)
Time Frame: Day 1 - Day 22
Cumulative tolerability assessments for erythema. Cumulative tolerability is defined as the sum of the tolerability scores for erythema. Tolerability was assessed on a 4-point categorical scale(0=none, 1=mild, 2=moderate, 3=severe) for all subjects at each visit.
Day 1 - Day 22
Cumulative Tolerability (Scaling)
Time Frame: Day 1 - Day 22
Cumulative tolerability assessments for scaling. Cumulative tolerability is defined as the sum of the tolerability scores for scaling. Tolerability was assessed on a 4-point categorical scale(0=none, 1=mild, 2=moderate, 3=severe) for all subjects at each visit.
Day 1 - Day 22
Cumulative Tolerability (Dryness)
Time Frame: Day 1 - Day 22
Cumulative tolerability assessments for dryness. Cumulative tolerability is defined as the sum of the tolerability scores for dryness. Tolerability was assessed on a 4-point categorical scale(0=none, 1=mild, 2=moderate, 3=severe) for all subjects at each visit.
Day 1 - Day 22
Cumulative Tolerability (Stinging/Burning)
Time Frame: Day 1 - Day 22
Cumulative tolerability assessments for stinging/burning. Cumulative tolerability is defined as the sum of the tolerability scores stinging/burning. Tolerability was assessed on a 4-point categorical scale(0=none, 1=mild, 2=moderate, 3=severe) for all subjects at each visit.
Day 1 - Day 22
Cumulative Tolerability (Combined)
Time Frame: Day 1 - Day 22
Cumulative tolerability assessments for erythema, scaling, dryness, and stinging/burning. Cumulative tolerability is defined as the sum of the tolerability scores for erythema, scaling, dryness, or stinging/burning. Tolerability was assessed on a 4-point categorical scale(0=none, 1=mild, 2=moderate, 3=severe) for all subjects at each visit.
Day 1 - Day 22

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
User Preference Survey (Investigator)
Time Frame: Day 5, day 12, day 19, and day 22
Response from investigator when asked: "Which side of the face appears to be less irritated?" Data collected from available participants.
Day 5, day 12, day 19, and day 22
User Preference Survey (Subjects)
Time Frame: Day 5, day 12, day 19, and day 22
Response from subjects when asked: "Which side of the face feels less irritated?" Data collected from available participants on each assessment day.
Day 5, day 12, day 19, and day 22
Overall Tolerability Preference Survey
Time Frame: Day 22
Overall tolerability preference survey taken by the subjects. Data collected from available subjects on day 22.
Day 22

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Galderma R&D

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Ronald Gottschalk, MD, Galderma R&D

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2012

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
May 1, 2012

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 1, 2012

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 23, 2012

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 27, 2012

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 31, 2012

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 1, 2022

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 28, 2022

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2015

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • US10201

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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