Trial Outcomes & Findings for Effect of Samples on Acne Treatment With Epiduo® Gel (NCT NCT01504204)

NCT ID: NCT01504204

Last Updated: 2018-09-12

Results Overview

Adherence will be reported as percentage of prescribed doses taken as measured electronically by a Medication Event Monitoring System (MEMS®) cap.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

20 participants

Primary outcome timeframe

Baseline to 6 weeks

Results posted on

2018-09-12

Participant Flow

Subjects were recruited from Wake Forest Baptist Medical Center Dermatology clinic and phone database of previously seen mild to moderate acne.

Participant milestones

Participant milestones
Measure
Medication With Sample and Demonstration
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit.
Medication Without Samples
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication.
Overall Study
STARTED
10
10
Overall Study
COMPLETED
9
9
Overall Study
NOT COMPLETED
1
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Medication With Sample and Demonstration
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit.
Medication Without Samples
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication.
Overall Study
Lost to Follow-up
1
1

Baseline Characteristics

Effect of Samples on Acne Treatment With Epiduo® Gel

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Medication With Sample and Demonstration
n=9 Participants
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit. Adapalene + benzoyl peroxide samples: A sample size tube of the study medication, combination adapalene 0.1% plus benzoyl peroxide 2.5% gel, will be provided with instruction on proper application, including demonstration, at the first visit. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Medication Without Samples
n=9 Participants
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Total
n=18 Participants
Total of all reporting groups
Age, Customized
Age
19 years
n=5 Participants
19 years
n=7 Participants
19 years
n=5 Participants
Sex: Female, Male
Female
8 Participants
n=5 Participants
6 Participants
n=7 Participants
14 Participants
n=5 Participants
Sex: Female, Male
Male
1 Participants
n=5 Participants
3 Participants
n=7 Participants
4 Participants
n=5 Participants
Race/Ethnicity, Customized
Race(Caucasian)
5 Participants
n=5 Participants
6 Participants
n=7 Participants
11 Participants
n=5 Participants
Race/Ethnicity, Customized
Ethnicity(Non-Hispanic)
8 Participants
n=5 Participants
9 Participants
n=7 Participants
17 Participants
n=5 Participants
Region of Enrollment
United States
9 Participants
n=5 Participants
9 Participants
n=7 Participants
18 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline to 6 weeks

Population: the median and ranges of subject ages for the sample and no sample group were 19 years, primarily female identifying as Caucasian.

Adherence will be reported as percentage of prescribed doses taken as measured electronically by a Medication Event Monitoring System (MEMS®) cap.

Outcome measures

Outcome measures
Measure
Medication With Sample and Demonstration
n=9 Participants
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit. Adapalene + benzoyl peroxide samples: A sample size tube of the study medication, combination adapalene 0.1% plus benzoyl peroxide 2.5% gel, will be provided with instruction on proper application, including demonstration, at the first visit. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Medication Without Samples
n=9 Participants
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Adherence to Study Medication
86 percentage of doses
Standard Deviation 2.2
71 percentage of doses
Standard Deviation 0.34

SECONDARY outcome

Timeframe: Baseline and 6 weeks

Change in the physician's global assessment of acne severity on a validated 0-5 scale (0=clear to 5=very severe) from baseline to Week 6 visit.

Outcome measures

Outcome measures
Measure
Medication With Sample and Demonstration
n=9 Participants
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit. Adapalene + benzoyl peroxide samples: A sample size tube of the study medication, combination adapalene 0.1% plus benzoyl peroxide 2.5% gel, will be provided with instruction on proper application, including demonstration, at the first visit. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Medication Without Samples
n=9 Participants
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Change in Acne Global Assessment
Baseline · AGA (2-mild)
5 Participants
6 Participants
Change in Acne Global Assessment
Baseline · AGA (3 moderate)
4 Participants
3 Participants
Change in Acne Global Assessment
Baseline · AGA (1 almost clear)
0 Participants
0 Participants
Change in Acne Global Assessment
Week 6 · AGA (2-mild)
3 Participants
4 Participants
Change in Acne Global Assessment
Week 6 · AGA (3 moderate)
2 Participants
3 Participants
Change in Acne Global Assessment
Week 6 · AGA (1 almost clear)
4 Participants
2 Participants

SECONDARY outcome

Timeframe: Baseline and 6 weeks

Change in total count of acne lesions from baseline visit to Week 6 visit

Outcome measures

Outcome measures
Measure
Medication With Sample and Demonstration
n=9 Participants
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit. Adapalene + benzoyl peroxide samples: A sample size tube of the study medication, combination adapalene 0.1% plus benzoyl peroxide 2.5% gel, will be provided with instruction on proper application, including demonstration, at the first visit. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Medication Without Samples
n=9 Participants
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Change in Acne Lesion Count
Basleine (Inflammatory Lesions)
3 lesions
Interval 0.0 to 10.0
2 lesions
Interval 0.0 to 12.0
Change in Acne Lesion Count
Baseline (Non-Inflammatory)
33 lesions
Interval 16.0 to 57.0
38 lesions
Interval 6.0 to 62.0
Change in Acne Lesion Count
Week 6 (inflammatory Lesion)
1 lesions
Interval 0.0 to 9.0
1 lesions
Interval 0.0 to 14.0
Change in Acne Lesion Count
Week 6 (Non-inflammatory Lesion)
19 lesions
Interval 5.0 to 40.0
35 lesions
Interval 4.0 to 53.0

Adverse Events

Medication With Sample and Demonstration

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Medication Without Samples

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Medication With Sample and Demonstration
n=10 participants at risk
Subjects will receive a sample tube of the Adapalene + benzoyl peroxide samples with demonstration of how to use it at the first visit. Adapalene + benzoyl peroxide samples: A sample size tube of the study medication, combination adapalene 0.1% plus benzoyl peroxide 2.5% gel, will be provided with instruction on proper application, including demonstration, at the first visit. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Medication Without Samples
n=10 participants at risk
Subjects will receive the Adapalene + benzoyl peroxide from standard tube without a sample or demonstration of proper use of the medication. Adapalene + benzoyl peroxide from standard tube: Subjects are instructed to apply the combination adapalene 0.1% plus benzoyl peroxide 2.5% gel once daily to all affected areas.
Skin and subcutaneous tissue disorders
Dryness
30.0%
3/10 • Number of events 3 • One year
Eighteen subjects completed questionnaires regarding side effects.
30.0%
3/10 • Number of events 3 • One year
Eighteen subjects completed questionnaires regarding side effects.
Skin and subcutaneous tissue disorders
itching
30.0%
3/10 • Number of events 3 • One year
Eighteen subjects completed questionnaires regarding side effects.
20.0%
2/10 • Number of events 2 • One year
Eighteen subjects completed questionnaires regarding side effects.
Skin and subcutaneous tissue disorders
redness
0.00%
0/10 • One year
Eighteen subjects completed questionnaires regarding side effects.
10.0%
1/10 • Number of events 1 • One year
Eighteen subjects completed questionnaires regarding side effects.

Additional Information

Irma M Richardsom, MHA

Wake Forest University Health Sciences

Phone: 336-716-2903

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place