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Clinical Study Between Two 1% Clindamycin/5% Benzoyl Peroxide Topical Gel Formulations

A Randomized, Double-Blind, Multiple-Site, Placebo-Controlled Study Comparing Two 1% Clindamycin/5% Benzoyl Peroxide Topical Gel Formulations in the Treatment of Moderate to Severe Acne Vulgaris

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01044264
Enrollment
602
Registered
2010-01-07
Start date
2007-12-31
Completion date
2008-09-30
Last updated
2023-07-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acne Vulgaris

Keywords

Acne Vulgaris, bioequivalency, clindamycin, benzoyl peroxide

Brief summary

A randomized, double-blind, multiple-site, placebo-controlled, parallel-group clinical study conducted to evaluate the bioequivalence of two 1% Clindamycin/5% Benzoyl Peroxide Topical Gel formulations.

Interventions

DRUG1% Clindamycin/5% Benzoyl Peroxide Topical Gel

Topical Gel

DRUGPlacebo

Placebo

Sponsors

Padagis LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
12 Years to 40 Years
Healthy volunteers
Yes

Inclusion criteria

* healthy men or women, 12 years of age and older * willing to participate and sign a copy of the informed consent form * moderate to severe facial acne

Exclusion criteria

* history of allergy or hypersensitivity to clindamycin or benzoyl peroxide * pregnant or lactating women * evidence of a clinically significant disorder * receipt of any drugs as part of a research study within 30 days prior to study dosing * use of systemic, topical or facial products which may interfere with study * significant facial hair, tattoos, excessive facial scarring, active facial sunburn, or peeling due to sunburn

Design outcomes

Primary

MeasureTime frameDescription
Reduction of Inflammatory LesionsBaseline and week 11The primary endpoint of the study was the mean percent reduction from baseline to week 11 in inflamed lesion count (papules and pustules).

Participant flow

Recruitment details

FIRST PATIENT ENROLLED: 12/11/2007 LAST PATIENT COMPLETED: 9/18/2008

Participants by arm

ArmCount
1% Clindamycin/5% Benzoyl Peroxide Topical Gel
Test product 1% Clindamycin/5% Benzoyl Peroxide Topical Gel : Topical Gel
200
DUAC® 1% Clindamycin/5% Benzoyl Peroxide Topical Gel
Reference product 1% Clindamycin/5% Benzoyl Peroxide Topical Gel : Topical Gel
202
Placebo
Placebo : Placebo
200
Total602

Baseline characteristics

CharacteristicDUAC® 1% Clindamycin/5% Benzoyl Peroxide Topical GelPlacebo1% Clindamycin/5% Benzoyl Peroxide Topical GelTotal
Age, Categorical
<=18 years
113 Participants113 Participants117 Participants343 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
89 Participants87 Participants83 Participants259 Participants
Age, Continuous19.5 years
STANDARD_DEVIATION 7.1
20.1 years
STANDARD_DEVIATION 8.3
19.2 years
STANDARD_DEVIATION 7.3
19.6 years
STANDARD_DEVIATION 7.6
Region of Enrollment
United States
202 participants200 participants200 participants602 participants
Sex: Female, Male
Female
101 Participants113 Participants103 Participants317 Participants
Sex: Female, Male
Male
101 Participants87 Participants97 Participants285 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
40 / 20035 / 20228 / 200
serious
Total, serious adverse events
1 / —0 / —1 / —

Outcome results

Primary

Reduction of Inflammatory Lesions

The primary endpoint of the study was the mean percent reduction from baseline to week 11 in inflamed lesion count (papules and pustules).

Time frame: Baseline and week 11

Population: per-protocol population

ArmMeasureValue (NUMBER)
1% Clindamycin/5% Benzoyl Peroxide Topical GelReduction of Inflammatory Lesions64.39 percentage reduction of lesions
DUAC® 1% Clindamycin/5% Benzoyl Peroxide Topical GelReduction of Inflammatory Lesions63.10 percentage reduction of lesions
PlaceboReduction of Inflammatory Lesions49.89 percentage reduction of lesions
90% CI: [92.47, 113.54]Wilcoxon Rank Sum Test

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026