Trial Outcomes & Findings for Comparison of Four Different Regimens of Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel in Acne Vulgaris (NCT NCT00883233)

NCT ID: NCT00883233

Last Updated: 2021-02-18

Results Overview

Total Sum Score (TSS) is the sum of the 4 local tolerability scores for dryness, erythema, scaling and stinging/burning evaluated at each visit \[None=0, Mild=1, Moderate=2 and Severe=3\]. In consequence, it ranges from 0 \[better outcome\] to 12 \[worse outcome\]and was calculated for each study visit.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

123 participants

Primary outcome timeframe

Week 4

Results posted on

2021-02-18

Participant Flow

Recruitment period: 23 APR 2009 to 09 SEP 2009 in three private practice Canadian centres. Two centers used a central IRB, and the other used a local IRB.

Participant milestones

Participant milestones
Measure
Adapalene-BPO Gel 3h
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel 3-hour daily application before bedtime for first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel EoD
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel every other day application for the first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel Cetaphil
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel standard daily overnight application with Cetaphil® Moisturizing Lotion application at wake-up time for the first 4 weeks and then standard daily overnight application for the following 8 weeks
Adapalene-BPO Gel StD
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel standard daily overnight application for 12 week
Overall Study
STARTED
32
32
29
30
Overall Study
COMPLETED
27
28
25
25
Overall Study
NOT COMPLETED
5
4
4
5

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparison of Four Different Regimens of Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel in Acne Vulgaris

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Adapalene-BPO Gel 3h
n=32 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel 3-hour daily application before bedtime for first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel EoD
n=32 Participants
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel every other day application for the first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel Cetaphil
n=29 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel standard daily overnight application with Cetaphil® Moisturizing Lotion application at wake-up time for the first 4 weeks and then standard daily overnight application for the following 8 weeks
Adapalene-BPO Gel StD
n=30 Participants
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel standard daily overnight application for 12 week
Total
n=123 Participants
Total of all reporting groups
Age, Categorical
<=18 years
15 Participants
n=5 Participants
15 Participants
n=7 Participants
13 Participants
n=5 Participants
14 Participants
n=4 Participants
57 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
17 Participants
n=5 Participants
17 Participants
n=7 Participants
16 Participants
n=5 Participants
16 Participants
n=4 Participants
66 Participants
n=21 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Continuous
20.2 years
STANDARD_DEVIATION 6.5 • n=5 Participants
20.4 years
STANDARD_DEVIATION 6.39 • n=7 Participants
20.9 years
STANDARD_DEVIATION 6.83 • n=5 Participants
20.8 years
STANDARD_DEVIATION 6.31 • n=4 Participants
20.6 years
STANDARD_DEVIATION 6.43 • n=21 Participants
Sex: Female, Male
Female
20 Participants
n=5 Participants
19 Participants
n=7 Participants
16 Participants
n=5 Participants
16 Participants
n=4 Participants
71 Participants
n=21 Participants
Sex: Female, Male
Male
12 Participants
n=5 Participants
13 Participants
n=7 Participants
13 Participants
n=5 Participants
14 Participants
n=4 Participants
52 Participants
n=21 Participants
Region of Enrollment
Canada
32 participants
n=5 Participants
32 participants
n=7 Participants
29 participants
n=5 Participants
30 participants
n=4 Participants
123 participants
n=21 Participants

PRIMARY outcome

Timeframe: Week 4

Total Sum Score (TSS) is the sum of the 4 local tolerability scores for dryness, erythema, scaling and stinging/burning evaluated at each visit \[None=0, Mild=1, Moderate=2 and Severe=3\]. In consequence, it ranges from 0 \[better outcome\] to 12 \[worse outcome\]and was calculated for each study visit.

Outcome measures

Outcome measures
Measure
Adapalene-BPO Gel 3h
n=32 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel 3-hour daily application before bedtime for first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel EoD
n=32 Participants
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel every other day application for the first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel Cetaphil
n=29 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel standard daily overnight application with Cetaphil® Moisturizing Lotion application at wake-up time for the first 4 weeks and then standard daily overnight application for the following 8 weeks
Adapalene-BPO Gel StD
n=30 Participants
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel standard daily overnight application for 12 week
Local Tolerability Was Analyzed in Terms of Worst Score Post-Baseline.
4.23 Scores on a scale
Standard Deviation 2.04
3.06 Scores on a scale
Standard Deviation 1.92
3.25 Scores on a scale
Standard Deviation 2.05
4.13 Scores on a scale
Standard Deviation 2.45

Adverse Events

Adapalene-BPO Gel 3h

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Adapalene-BPO Gel EoD

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Adapalene-BPO Gel Cetaphil

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Adapalene-BPO Gel StD

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
Adapalene-BPO Gel 3h
n=32 participants at risk
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel 3-hour daily application before bedtime for first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel EoD
n=32 participants at risk
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel every other day application for the first 4 weeks and then standard overnight daily application for the following 8 weeks
Adapalene-BPO Gel Cetaphil
n=29 participants at risk
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel standard daily overnight application with Cetaphil® Moisturizing Lotion application at wake-up time for the first 4 weeks and then standard daily overnight application for the following 8 weeks
Adapalene-BPO Gel StD
n=30 participants at risk
Adapalene 0.1% /Benzoyl Peroxide 2.5% Gel standard daily overnight application for 12 week
Skin and subcutaneous tissue disorders
erythema
3.1%
1/32 • Number of events 1 • 12 weeks
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/29 • 12 weeks
3.3%
1/30 • Number of events 1 • 12 weeks
Nervous system disorders
headache
6.2%
2/32 • Number of events 2 • 12 weeks
0.00%
0/32 • 12 weeks
3.4%
1/29 • Number of events 1 • 12 weeks
0.00%
0/30 • 12 weeks
Infections and infestations
nasopharyngitis
6.2%
2/32 • Number of events 2 • 12 weeks
0.00%
0/32 • 12 weeks
10.3%
3/29 • Number of events 3 • 12 weeks
0.00%
0/30 • 12 weeks
Skin and subcutaneous tissue disorders
sunburn
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/32 • 12 weeks
3.4%
1/29 • Number of events 1 • 12 weeks
3.3%
1/30 • Number of events 1 • 12 weeks
Skin and subcutaneous tissue disorders
dermatitis contact
0.00%
0/32 • 12 weeks
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/29 • 12 weeks
6.7%
2/30 • Number of events 2 • 12 weeks
Infections and infestations
impetigo
0.00%
0/32 • 12 weeks
0.00%
0/32 • 12 weeks
3.4%
1/29 • Number of events 1 • 12 weeks
0.00%
0/30 • 12 weeks
Infections and infestations
upper track respiratory infection
0.00%
0/32 • 12 weeks
0.00%
0/32 • 12 weeks
3.4%
1/29 • Number of events 1 • 12 weeks
3.3%
1/30 • Number of events 1 • 12 weeks
Skin and subcutaneous tissue disorders
skin burning sensation
0.00%
0/32 • 12 weeks
0.00%
0/32 • 12 weeks
3.4%
1/29 • Number of events 1 • 12 weeks
0.00%
0/30 • 12 weeks
Infections and infestations
herpes simplex
0.00%
0/32 • 12 weeks
0.00%
0/32 • 12 weeks
3.4%
1/29 • Number of events 1 • 12 weeks
0.00%
0/30 • 12 weeks
Infections and infestations
tooth abscess
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
Skin and subcutaneous tissue disorders
skin oedema
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
Injury, poisoning and procedural complications
mouth injury
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
General disorders
face oedema
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
Gastrointestinal disorders
abdominal pain
0.00%
0/32 • 12 weeks
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
Injury, poisoning and procedural complications
arthropod bite
0.00%
0/32 • 12 weeks
6.2%
2/32 • Number of events 2 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
Respiratory, thoracic and mediastinal disorders
pharyngolaryngeal pain
0.00%
0/32 • 12 weeks
6.2%
2/32 • Number of events 2 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks
Infections and infestations
pharyngitis
0.00%
0/32 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
3.3%
1/30 • Number of events 1 • 12 weeks
Skin and subcutaneous tissue disorders
skin irritation
0.00%
0/32 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
3.3%
1/30 • Number of events 1 • 12 weeks
Injury, poisoning and procedural complications
epicondylitis
3.1%
1/32 • Number of events 1 • 12 weeks
0.00%
0/32 • 12 weeks
0.00%
0/29 • 12 weeks
0.00%
0/30 • 12 weeks

Additional Information

Jean-Charles Dhuin

Galderma

Phone: +33492952921

Results disclosure agreements

  • Principal investigator is a sponsor employee Any intent of the investigator to publish or disclose in any way the information requires the sponsor's prior written approval. The investigator shall provide their draft of such publication to sponsor for review and approval at least 2 months prior to the date of the intended publication. Sponsor shall have the absolute right to determine whether information may be published by the investigator.
  • Publication restrictions are in place

Restriction type: OTHER