Trial Outcomes & Findings for Adapalene-BPO Gel Associated With Doxycycline Hyclate 100 mg in the Treatment of Severe Acne Vulgaris (NCT NCT00688064)

NCT ID: NCT00688064

Last Updated: 2021-02-18

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

459 participants

Primary outcome timeframe

Week 12

Results posted on

2021-02-18

Participant Flow

Recruitment period: 18 AUG 2008 to 14 NOV 2008 in thirty-five centers (30 in the USA and 5 in Canada) public or private practices. Twenty-five USA centers and four Candadian centers used a central IRB, and the others used a local IRB.

Participant milestones

Participant milestones
Measure
Adapalene-BPO + Doxycycline
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Overall Study
STARTED
232
227
Overall Study
COMPLETED
211
201
Overall Study
NOT COMPLETED
21
26

Reasons for withdrawal

Reasons for withdrawal
Measure
Adapalene-BPO + Doxycycline
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Overall Study
Protocol Violation
0
1
Overall Study
Adverse Event
2
4
Overall Study
Withdrawal by Subject
7
7
Overall Study
Lost to Follow-up
10
10
Overall Study
Lack of Efficacy
0
1
Overall Study
Pregnancy
1
0
Overall Study
Any other reasons
1
3

Baseline Characteristics

Adapalene-BPO Gel Associated With Doxycycline Hyclate 100 mg in the Treatment of Severe Acne Vulgaris

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Adapalene-BPO + Doxycycline
n=232 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 Participants
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Total
n=459 Participants
Total of all reporting groups
Age, Categorical
<=18 years
152 Participants
n=5 Participants
156 Participants
n=7 Participants
308 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
80 Participants
n=5 Participants
71 Participants
n=7 Participants
151 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
18.6 years
STANDARD_DEVIATION 5.84 • n=5 Participants
18.1 years
STANDARD_DEVIATION 4.92 • n=7 Participants
18.4 years
STANDARD_DEVIATION 5.41 • n=5 Participants
Sex: Female, Male
Female
108 Participants
n=5 Participants
97 Participants
n=7 Participants
205 Participants
n=5 Participants
Sex: Female, Male
Male
124 Participants
n=5 Participants
130 Participants
n=7 Participants
254 Participants
n=5 Participants
Region of Enrollment
United States
170 participants
n=5 Participants
164 participants
n=7 Participants
334 participants
n=5 Participants
Region of Enrollment
Puerto Rico
18 participants
n=5 Participants
18 participants
n=7 Participants
36 participants
n=5 Participants
Region of Enrollment
Canada
44 participants
n=5 Participants
45 participants
n=7 Participants
89 participants
n=5 Participants

PRIMARY outcome

Timeframe: Week 12

Population: ITT, LOCF

Outcome measures

Outcome measures
Measure
Adapalene-BPO + Doxycycline
n=232 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 Participants
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Percent Change From Baseline in Total Lesion Counts at Week 12.
-64 % of change
Interval -100.0 to 34.0
-41 % of change
Interval -92.0 to 64.0

SECONDARY outcome

Timeframe: Week 12

Population: ITT, LOCF

Outcome measures

Outcome measures
Measure
Adapalene-BPO + Doxycycline
n=232 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 Participants
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Percent Change From Baseline in Inflammatory Lesion Counts at Week 12.
-72 % of change
Interval -100.0 to 59.0
-48 % of change
Interval -93.0 to 79.0

SECONDARY outcome

Timeframe: Week 12

Population: ITT, LOCF

Outcome measures

Outcome measures
Measure
Adapalene-BPO + Doxycycline
n=232 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 Participants
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Percent Change From Baseline in Non-inflammatory Lesion Counts at Week 12
-61 % of change
Interval -100.0 to 81.0
-40 % of change
Interval -98.0 to 149.0

SECONDARY outcome

Timeframe: Week 12

Population: ITT, LOCF

Percentage of subjects graded "Clear" or "Almost Clear" on 6-point IGA scale(0=clear, 1=almost clear, 2=mild, 3=moderate, 4=severe and 5=very severe)at week 12

Outcome measures

Outcome measures
Measure
Adapalene-BPO + Doxycycline
n=232 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 Participants
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Success Rate on the Investigator's Global Assessment
31.5 % of subjects
8.4 % of subjects

SECONDARY outcome

Timeframe: Up to 12 weeks

Population: ITT

Percent of subjects with Adverse Events all along the study (up to 12 weeks follow-up period)

Outcome measures

Outcome measures
Measure
Adapalene-BPO + Doxycycline
n=232 Participants
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 Participants
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Percent of Subjects With Adverse Events
26.3 % of subjects
26.9 % of subjects

Adverse Events

Adapalene-BPO + Doxycycline

Serious events: 0 serious events
Other events: 43 other events
Deaths: 0 deaths

Vehicle + Doxycycline

Serious events: 0 serious events
Other events: 48 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Adapalene-BPO + Doxycycline
n=232 participants at risk
Adapalene 0.1% / Benzoyl Peroxide 2.5% Gel associated with Doxycyline Hyclate 100 mg tablet.
Vehicle + Doxycycline
n=227 participants at risk
Vehicle Gel associated with Doxycycline Hyclate 100 mg tablet
Gastrointestinal disorders
dyspepsia
0.86%
2/232 • Number of events 2
2.2%
5/227 • Number of events 5
Infections and infestations
gastroenteritis viral
2.2%
5/232 • Number of events 5
0.88%
2/227 • Number of events 2
Infections and infestations
nasopharyngitis
4.3%
10/232 • Number of events 10
5.7%
13/227 • Number of events 14
Gastrointestinal disorders
nausea
3.9%
9/232 • Number of events 9
5.3%
12/227 • Number of events 14
Infections and infestations
upper respiratory tract infection
3.4%
8/232 • Number of events 8
2.6%
6/227 • Number of events 6
Gastrointestinal disorders
vomiting
3.9%
9/232 • Number of events 10
4.4%
10/227 • Number of events 12

Additional Information

Jean-Charles Dhuin, Clinical Project Manager

Galderma

Phone: +33 4 92 95 29 21

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