Trial Outcomes & Findings for A Study Comparing Tazarotene Cream 0.1% to TAZORAC® (Tazarotene) Cream 0.1% and Both to a Placebo Control in the Treatment of Acne Vulgaris (NCT NCT02886715)

NCT ID: NCT02886715

Last Updated: 2018-08-17

Results Overview

Percent change from baseline to week 12 in the inflammatory (papules and pustules) lesion counts

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1110 participants

Primary outcome timeframe

Week 12

Results posted on

2018-08-17

Participant Flow

At Baseline Visit eligible subjects were randomized to the Test, Reference or Placebo product in a 2:2:1 ratio using an interactive response technology (IRT) system

1154 subjects were screened for study participation, 1110 subjects were randomized and included in the statistical analyses. 25 investigative sites randomized subjects into the study.

Participant milestones

Participant milestones
Measure
Test
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Overall Study
STARTED
442
445
223
Overall Study
Modified ITT (mITT)
421
418
217
Overall Study
Per Protocol (PP) Population
346
351
176
Overall Study
COMPLETED
378
390
203
Overall Study
NOT COMPLETED
64
55
20

Reasons for withdrawal

Reasons for withdrawal
Measure
Test
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Overall Study
Non-Compliance With Study Drug
0
2
0
Overall Study
Adverse Event
4
2
0
Overall Study
Lack of Efficacy
0
2
1
Overall Study
Lost to Follow-up
29
26
10
Overall Study
Pregnancy
1
1
1
Overall Study
Protocol Violation
3
2
1
Overall Study
Withdrawal by Subject
20
18
5
Overall Study
missing
7
2
2

Baseline Characteristics

Started (Safety Population)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Test
n=442 Participants
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
n=445 Participants
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
n=223 Participants
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Total
n=1110 Participants
Total of all reporting groups
Age, Continuous
22.5 Years
STANDARD_DEVIATION 7.0 • n=93 Participants • Started (Safety Population)
22.7 Years
STANDARD_DEVIATION 7.0 • n=4 Participants • Started (Safety Population)
22.5 Years
STANDARD_DEVIATION 7.0 • n=27 Participants • Started (Safety Population)
22.6 Years
STANDARD_DEVIATION 7.0 • n=483 Participants • Started (Safety Population)
Sex: Female, Male
Female
236 Participants
n=93 Participants • Started (Safety Population)
215 Participants
n=4 Participants • Started (Safety Population)
96 Participants
n=27 Participants • Started (Safety Population)
547 Participants
n=483 Participants • Started (Safety Population)
Sex: Female, Male
Male
206 Participants
n=93 Participants • Started (Safety Population)
230 Participants
n=4 Participants • Started (Safety Population)
127 Participants
n=27 Participants • Started (Safety Population)
563 Participants
n=483 Participants • Started (Safety Population)
Race/Ethnicity, Customized
Hispanic or Latino
265 Participants
n=93 Participants • Started (Safety Population)
252 Participants
n=4 Participants • Started (Safety Population)
130 Participants
n=27 Participants • Started (Safety Population)
647 Participants
n=483 Participants • Started (Safety Population)
Race/Ethnicity, Customized
Not Hispanic or Latino
177 Participants
n=93 Participants • Started (Safety Population)
193 Participants
n=4 Participants • Started (Safety Population)
93 Participants
n=27 Participants • Started (Safety Population)
463 Participants
n=483 Participants • Started (Safety Population)

PRIMARY outcome

Timeframe: Week 12

Population: mITT for superiority versus placebo, PP for equivalence versus Reference

Percent change from baseline to week 12 in the inflammatory (papules and pustules) lesion counts

Outcome measures

Outcome measures
Measure
Test
n=421 Participants
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
n=418 Participants
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
n=217 Participants
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Change in Inflammatory Lesion Counts
-58.44 percent change
Standard Error 1.33
-60.07 percent change
Standard Error 1.32
-53.28 percent change
Standard Error 1.81

PRIMARY outcome

Timeframe: Week 12

Population: mITT for superiority versus placebo, PP for equivalence versus Reference

Percent change from baseline to week 12 in the non-inflammatory (open and closed comedones) lesion counts

Outcome measures

Outcome measures
Measure
Test
n=421 Participants
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
n=418 Participants
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
n=217 Participants
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Change in Non-inflammatory Lesion Counts
-50.11 percent change
Standard Error 1.27
-51.99 percent change
Standard Error 1.26
-45.72 percent change
Standard Error 1.73

SECONDARY outcome

Timeframe: Week 12

Population: mITT

The proportion of subjects with a clinical response of success at week 12, success defined as an Investigator's Global Assessment score that is at least two grades less than the baseline assessment

Outcome measures

Outcome measures
Measure
Test
n=421 Participants
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
n=418 Participants
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
n=217 Participants
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Clinical Response of Success
20.0 percentage of participants
23.7 percentage of participants
15.2 percentage of participants

Adverse Events

Test

Serious events: 1 serious events
Other events: 45 other events
Deaths: 0 deaths

Reference

Serious events: 0 serious events
Other events: 57 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Test
n=442 participants at risk
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
n=445 participants at risk
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
n=223 participants at risk
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
Psychiatric disorders
Suicide attempt
0.23%
1/442 • Number of events 1 • From baseline to week 12 (end of study)
0.00%
0/445 • From baseline to week 12 (end of study)
0.00%
0/223 • From baseline to week 12 (end of study)

Other adverse events

Other adverse events
Measure
Test
n=442 participants at risk
Tazarotene Cream 0.1% (Fougera Pharmaceuticals Inc.)
Reference
n=445 participants at risk
TAZORAC® (tazarotene) Cream, 0.1% (Allergan, Inc.)
Placebo
n=223 participants at risk
Placebo (Vehicle of test product) (Fougera Pharmaceuticals Inc.)
General disorders
Application site dryness
2.5%
11/442 • From baseline to week 12 (end of study)
3.4%
15/445 • From baseline to week 12 (end of study)
0.90%
2/223 • From baseline to week 12 (end of study)
General disorders
Application site exfoliation
1.6%
7/442 • From baseline to week 12 (end of study)
1.8%
8/445 • From baseline to week 12 (end of study)
0.45%
1/223 • From baseline to week 12 (end of study)
General disorders
Application site pain
3.6%
16/442 • From baseline to week 12 (end of study)
2.0%
9/445 • From baseline to week 12 (end of study)
0.45%
1/223 • From baseline to week 12 (end of study)
General disorders
Application site pruritus
1.1%
5/442 • From baseline to week 12 (end of study)
2.2%
10/445 • From baseline to week 12 (end of study)
1.8%
4/223 • From baseline to week 12 (end of study)
Infections and infestations
Nasopharyngitis
1.1%
5/442 • From baseline to week 12 (end of study)
2.2%
10/445 • From baseline to week 12 (end of study)
0.90%
2/223 • From baseline to week 12 (end of study)
Nervous system disorders
Headache
1.6%
7/442 • From baseline to week 12 (end of study)
1.3%
6/445 • From baseline to week 12 (end of study)
1.3%
3/223 • From baseline to week 12 (end of study)
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
0.23%
1/442 • From baseline to week 12 (end of study)
2.0%
9/445 • From baseline to week 12 (end of study)
0.90%
2/223 • From baseline to week 12 (end of study)
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
0.68%
3/442 • From baseline to week 12 (end of study)
1.6%
7/445 • From baseline to week 12 (end of study)
0.00%
0/223 • From baseline to week 12 (end of study)

Additional Information

Angela C Kaplan

Fougera Pharmaceuticals Inc.

Phone: 631-659-2256

Results disclosure agreements

  • Principal investigator is a sponsor employee The terms and conditions of Fougera' agreements with its investigators may vary. However, Fougera does not prohibit any investigator from publishing. Any publications from a single-site are postponed until the publication of the pooled data (ie, data from all sites) in the clinical trial.
  • Publication restrictions are in place

Restriction type: OTHER