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Efficacy and Safety of Aczone 7.5% Gel in the Treatment of Truncal Acne Vulgaris

Efficacy and Safety of Aczone 7.5% Gel in the Treatment of Truncal Acne Vulgaris

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02944461
Enrollment
20
Registered
2016-10-25
Start date
2016-10-31
Completion date
2017-09-11
Last updated
2019-04-03

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

Conditions

Acne

Brief summary

To determine if Dapsone (Aczone) 7.5% gel is a safe and effective treatment for acne on the trunk

Detailed description

This is an open label pilot study to determine the safety and efficacy of Dapsone (Aczone) 7.5% gel applied daily to the trunk for acne. Subjects will apply Dapsone for 16 weeks.

Interventions

Dapsone gel 7.5% applied once daily to truncal acne

Sponsors

Derm Research, PLLC
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
12 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Male and female subjects of any race and at least 12 years of age. * Female subjects of childbearing potential must have a negative urine pregnancy test at Baseline and practice a reliable method of contraception throughout the study. * Truncal acne IGA score of 3. * Able to understand the requirements of study and sign Informed Consent/HIPAA forms.

Exclusion criteria

* Female subjects who are pregnant , breast feeding or are of childbearing potential who are not willing to use a reliable method birth control. * Subjects who have an allergy or sensitivity to any component of the test medication. * Subjects who have not complied with the proper wash out periods for prohibited medications. * Evidence of recent drug or alcohol abuse. * Skin disease /disorder that might interfere with the diagnosis or evaluation of truncal acne. * Exposure to an investigational drug within 30 days of the Baseline visit. * Medical condition that contraindicates the subject's participation in the study. * History of poor cooperation, non-compliance with medical treatment or unreliability.

Design outcomes

Primary

MeasureTime frameDescription
Percent of Subjects Who Achieve at Least a Two Grade Improvement and a Rating of Clear or Almost Clear on the Investigator Global Assessment (IGA) Scale16 weeksInvestigator will evaluate global acne severity using the IGA scale as follows: 1= Clear Skin, 2 = Almost Clear, 3 = Mild Severity, 4 = Severe, 5 = Very Severe

Secondary

MeasureTime frame
The Percent Change in Inflammatory Lesion Count at Week 16 Compared to Baseline16 Weeks
The Percent Change in Non-inflammatory Lesion Count at Week 16 Compared to Baseline16 Weeks
The Percent Change in Total Lesion Count at Week 16 Compared to Baseline16 Weeks

Countries

United States

Participant flow

Participants by arm

ArmCount
Dapsone Gel 7.5%
Dapsone gel 7.5% to be applied to truncal acne once daily for 16 weeks. Dapsone 7.5 % gel: Dapsone gel 7.5% applied once daily to truncal acne
20
Total20

Baseline characteristics

CharacteristicDapsone Gel 7.5%
Age, Continuous21 years
STANDARD_DEVIATION 8
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
2 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
16 Participants
Region of Enrollment
United States
20 participants
Sex: Female, Male
Female
11 Participants
Sex: Female, Male
Male
9 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 20
other
Total, other adverse events
3 / 20
serious
Total, serious adverse events
0 / 20

Outcome results

Primary

Percent of Subjects Who Achieve at Least a Two Grade Improvement and a Rating of Clear or Almost Clear on the Investigator Global Assessment (IGA) Scale

Investigator will evaluate global acne severity using the IGA scale as follows: 1= Clear Skin, 2 = Almost Clear, 3 = Mild Severity, 4 = Severe, 5 = Very Severe

Time frame: 16 weeks

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Dapsone Gel 7.5%Percent of Subjects Who Achieve at Least a Two Grade Improvement and a Rating of Clear or Almost Clear on the Investigator Global Assessment (IGA) Scaleweek 103 Participants
Dapsone Gel 7.5%Percent of Subjects Who Achieve at Least a Two Grade Improvement and a Rating of Clear or Almost Clear on the Investigator Global Assessment (IGA) Scaleweek 167 Participants
Dapsone Gel 7.5%Percent of Subjects Who Achieve at Least a Two Grade Improvement and a Rating of Clear or Almost Clear on the Investigator Global Assessment (IGA) Scaleweek 40 Participants
Secondary

The Percent Change in Inflammatory Lesion Count at Week 16 Compared to Baseline

Time frame: 16 Weeks

ArmMeasureValue (MEAN)Dispersion
Dapsone Gel 7.5%The Percent Change in Inflammatory Lesion Count at Week 16 Compared to Baseline-74 percent change in lesion countStandard Deviation 21
Secondary

The Percent Change in Non-inflammatory Lesion Count at Week 16 Compared to Baseline

Time frame: 16 Weeks

ArmMeasureValue (MEAN)Dispersion
Dapsone Gel 7.5%The Percent Change in Non-inflammatory Lesion Count at Week 16 Compared to Baseline-72 percent change in lesion countStandard Deviation 28
Secondary

The Percent Change in Total Lesion Count at Week 16 Compared to Baseline

Time frame: 16 Weeks

ArmMeasureValue (MEAN)Dispersion
Dapsone Gel 7.5%The Percent Change in Total Lesion Count at Week 16 Compared to Baseline-73 percent change in lesion countStandard Deviation 23

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