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Aczone 5% Gel as Maintenance Treatment of Acne Vulgaris Following Completion of Oral Doxycycline and Aczone 5% Gel

Use of Aczone 5% Gel as Maintenance Treatment of Acne Vulgaris Following Completion of Oral Doxycycline and Aczone 5% Gel Treatment

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01885910
Enrollment
32
Registered
2013-06-25
Start date
2013-07-31
Completion date
2014-07-31
Last updated
2015-02-27

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

Conditions

Acne Vulgaris

Brief summary

This pilot study will explore if continuation of treatment of treatment with Aczone 5% gel following combination treatment with with doxycycline and Aczone 5% gel can maintain therapeutic response.

Detailed description

This is a two-center, open-label pilot study. The study is apprised of 7 study visits: Baseline and Weeks 4, 8, 12, 16, 20 and 24. All subjects will receive Aczone 5% gel BID and doxycycline 100mg by mouth once daily at Baseline. Those subjects achieving treatment response (i.e., IGA of 0, 1 or 2) at Week 12 will continue treatment with Aczone 5% gel BID at Week 12. Subjects not achieving treatment response will discontinue study participation.

Interventions

DRUGDoxycycline 100mg

Doxycycline 100mg by mouth once daily

DRUGAczone 5% gel

Aczone 5% gel twice daily

Sponsors

WFH MEDICAL, LLC
CollaboratorOTHER
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 85 Years
Healthy volunteers
Yes

Inclusion criteria

* Outpatient, male or female subjects of any race, age 12 or older. Female subjects of childbearing potential must have a negative urine pregnancy test result at Baseline and practice a reliable method of contraception throughout the study; * Facial acne vulgaris characterized by the following: IGA Score \>3 10-50 facial inflammatory lesions (papules,pustules) 10-100 facial non-inflammatory lesions (open/closed comedones) * Able to understand and comply with the requirements of the study and sign Informed Consent/HIPAA Authorization forms

Exclusion criteria

* Female subjects who are pregnant (positive urine pregnancy test), breast feeding, or who are of childbearing potential and not practicing a reliable method of birth control. * Allergy/sensitivity to any component of the test treatment (Section 5.2), lincomycin, tetracyclines, or sulfites. * Subjects who have not complied with the proper wash-out periods for prohibited medications/procedures (Supplement 1)\> * History of clinically significant anemia or hemolysis. * History of enteritis (regional enteritis, ulcerative colitis, pseudomembranous colitis, or antibiotic-associated colitis). * Skin disease/disorder that might interfere with the diagnosis or evaluation of acne vulgaris * Evidence of recent alcohol or drug abuse * Medical condition that, in the opinion of the Investigator, contraindicates the subject's participation in the clinical study * History of poor cooperation, non-compliance with medical treatment or unreliability * Participation in an investigational drug study within 30 days of the baseline visit.

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants Who Remained Responders at Week 24Assessed every 4 weeks, reported at Week 24At week 12 responder had an IGA \<3 on a 6-point scale ranging from 0 (clear) to 5 (very severe) and at Week 24 this response was maintained

Secondary

MeasureTime frameDescription
Percentage of Participants Who Are Responders at Week 16 and 20Assessed every 4 weeks, reported at weeks 16 and 20Responders is the percentage of participants who have an IGA \<3 at Week 16 and 20
Nodule Countsevery four weeksnumber of nodules counted
Erythemaevery 4 weeksthe erythema severity scale ranges from 0 to 4 with 0 being no erythema and 4 being most extreme erythema
Drynessevery 4 weeksthe dryness severity scale ranges from 0 to 4 with 0 being no dryness and 4 being most extreme dryness
Inflammatory and Non-inflammatory Lesion CountsEvery 4 weeks
Oilinessevery 4 weeksthe oiliness severity scale ranges from 0 to 10 with 0 being no oiliness and 10 being most extreme oiliness
Pruritisevery 4 weeksthe pruritis severity scale ranges from 0 to 5 with 0 being no pruritis and 5 being the most extreme pruritis
Burningevery 4 weeksthe burning severity scale ranges from 0 to 10 with 0 being no burning and 10 being most extreme burning
Peelingevery four weeksthe peeling severity scale ranges from 0 to 4 with 0 being no peeling and 4 being most extreme peeling

Countries

United States

Participant flow

Recruitment details

Recruitment at 2 sites for subjects at least 12 years of age with moderate to severe acne vulgaris began June 2013 and ended December 2013

Pre-assignment details

Any subject might be excluded who is not at least 12 years of age, who does not have moderate to severe acne vulgaris based upon IGA score and lesion counts, who has not completed the proper washout of specified medications, or who has been in another investigational study 30 days prior

Participants by arm

ArmCount
Aczone/Doxy
subjects will take doxy 100mg daily and apply aczone 5% gel to the face twice daily for 12 weeks after which if their acne has improved they will continue on maintenance therapy of aczone gel for another 12 weeks
32
Total32

Baseline characteristics

CharacteristicAczone/Doxy
Age, Categorical
<=18 years
13 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
19 Participants
Age, Continuous24.8 years
STANDARD_DEVIATION 10.9
Region of Enrollment
United States
32 participants
Sex: Female, Male
Female
20 Participants
Sex: Female, Male
Male
12 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
7 / 32
serious
Total, serious adverse events
0 / 32

Outcome results

Primary

Percentage of Participants Who Remained Responders at Week 24

At week 12 responder had an IGA \<3 on a 6-point scale ranging from 0 (clear) to 5 (very severe) and at Week 24 this response was maintained

Time frame: Assessed every 4 weeks, reported at Week 24

Population: only participants who were not lost to follow-up or did not withdraw consent were included in the final analysis

ArmMeasureValue (NUMBER)
Aczone/DoxyPercentage of Participants Who Remained Responders at Week 2482 percentage of particpants
p-value: <0.0001Wilcoxon (Mann-Whitney)
Secondary

Burning

the burning severity scale ranges from 0 to 10 with 0 being no burning and 10 being most extreme burning

Time frame: every 4 weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyBurningbaseline0.1 units on a scaleStandard Deviation 0.5
Aczone/DoxyBurningweek 16 (N=23)0.1 units on a scaleStandard Deviation 0.4
Aczone/DoxyBurningweek 20 (N=23)0 units on a scaleStandard Deviation 0
Aczone/DoxyBurningweek 24 (N=22)0 units on a scaleStandard Deviation 0.2
Secondary

Dryness

the dryness severity scale ranges from 0 to 4 with 0 being no dryness and 4 being most extreme dryness

Time frame: every 4 weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyDrynessbaseline0.6 units on a scaleStandard Deviation 0.8
Aczone/DoxyDrynessweek 16 (N=23)0.3 units on a scaleStandard Deviation 0.6
Aczone/DoxyDrynessweek 20 (N=23)0.1 units on a scaleStandard Deviation 0.3
Aczone/DoxyDrynessweek 24 (N=22)0.1 units on a scaleStandard Deviation 0.3
Secondary

Erythema

the erythema severity scale ranges from 0 to 4 with 0 being no erythema and 4 being most extreme erythema

Time frame: every 4 weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyErythemaBaseline1.3 units on a scaleStandard Deviation 0.8
Aczone/DoxyErythemaweek 16 (N=23)0.7 units on a scaleStandard Deviation 0.9
Aczone/DoxyErythemaweek 20 (N=23)0.9 units on a scaleStandard Deviation 0.8
Aczone/DoxyErythemaweek 24 (N=22)1.1 units on a scaleStandard Deviation 0.9
Secondary

Inflammatory and Non-inflammatory Lesion Counts

Time frame: Every 4 weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyInflammatory and Non-inflammatory Lesion Countsweek 20 (n=23,23)7.3 lesionsStandard Deviation 9.2
Aczone/DoxyInflammatory and Non-inflammatory Lesion Countsweek 16 (n=23,23)5.8 lesionsStandard Deviation 4.9
Aczone/DoxyInflammatory and Non-inflammatory Lesion Countsweek 24 (n=22,22)7.0 lesionsStandard Deviation 9.1
Aczone/DoxyInflammatory and Non-inflammatory Lesion Countsbaseline27.3 lesionsStandard Deviation 14.6
Aczone/Doxy - Non InflammatoryInflammatory and Non-inflammatory Lesion Countsweek 24 (n=22,22)6.6 lesionsStandard Deviation 10.3
Aczone/Doxy - Non InflammatoryInflammatory and Non-inflammatory Lesion Countsweek 16 (n=23,23)10.0 lesionsStandard Deviation 13.9
Aczone/Doxy - Non InflammatoryInflammatory and Non-inflammatory Lesion Countsweek 20 (n=23,23)8.3 lesionsStandard Deviation 11.6
Aczone/Doxy - Non InflammatoryInflammatory and Non-inflammatory Lesion Countsbaseline38.3 lesionsStandard Deviation 20.8
Secondary

Nodule Counts

number of nodules counted

Time frame: every four weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyNodule CountsBaseline0.4 nodulesStandard Deviation 0.7
Aczone/DoxyNodule CountsWeek 16 (N=23)0.1 nodulesStandard Deviation 0.4
Aczone/DoxyNodule CountsWeek 20 (N=23)0.1 nodulesStandard Deviation 0.5
Aczone/DoxyNodule CountsWeek 24 (N=22)0.3 nodulesStandard Deviation 0.9
Secondary

Oiliness

the oiliness severity scale ranges from 0 to 10 with 0 being no oiliness and 10 being most extreme oiliness

Time frame: every 4 weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyOilinessbaseline1.6 units on a scaleStandard Deviation 1.1
Aczone/DoxyOilinessweek 16 (N=23)0.8 units on a scaleStandard Deviation 0.8
Aczone/DoxyOilinessweek 20 (N=23)0.6 units on a scaleStandard Deviation 0.7
Aczone/DoxyOilinessweek 24 (N=22)0.3 units on a scaleStandard Deviation 0.5
Secondary

Peeling

the peeling severity scale ranges from 0 to 4 with 0 being no peeling and 4 being most extreme peeling

Time frame: every four weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyPeelingbaseline0.4 units on a scaleStandard Deviation 0.9
Aczone/DoxyPeelingweek 16 (N=23)0.1 units on a scaleStandard Deviation 0.3
Aczone/DoxyPeelingweek 20 (N=23)0.1 units on a scaleStandard Deviation 0.3
Aczone/DoxyPeelingweek 24 (N=22)0.1 units on a scaleStandard Deviation 0.3
Secondary

Percentage of Participants Who Are Responders at Week 16 and 20

Responders is the percentage of participants who have an IGA \<3 at Week 16 and 20

Time frame: Assessed every 4 weeks, reported at weeks 16 and 20

ArmMeasureGroupValue (NUMBER)
Aczone/DoxyPercentage of Participants Who Are Responders at Week 16 and 20responders at week 1678 percentage of participants
Aczone/DoxyPercentage of Participants Who Are Responders at Week 16 and 20responders at week 2087 percentage of participants
Secondary

Pruritis

the pruritis severity scale ranges from 0 to 5 with 0 being no pruritis and 5 being the most extreme pruritis

Time frame: every 4 weeks

Population: participants with data

ArmMeasureGroupValue (MEAN)Dispersion
Aczone/DoxyPruritisbaseline0.4 units on a scaleStandard Deviation 0.8
Aczone/DoxyPruritisweek 16 (N=23)0.2 units on a scaleStandard Deviation 0.6
Aczone/DoxyPruritisweek 20 (N=23)0.1 units on a scaleStandard Deviation 0.3
Aczone/DoxyPruritisweek 24 (N=22)0 units on a scaleStandard Deviation 0.2

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