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An Extension Study to Assess the Safety, Tolerability, Efficacy, and Treatment Adherence of Dapsone in Acne Vulgaris

Status
Withdrawn
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01785836
Enrollment
0
Registered
2013-02-07
Start date
2013-03-31
Completion date
2013-10-31
Last updated
2013-02-25

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 study will assess the safety, tolerability, and efficacy of dapsone in subjects with acne vulgaris following 12 weeks of treatment.

Interventions

Dapsone Formulation A applied once daily to the face and upper chest, upper back, and shoulders (as per protocol) for 12 weeks.

Dapsone Formulation B applied once daily to the face and upper chest, upper back, and shoulders (as per protocol) for 12 weeks.

Dapsone Formulation C applied once daily to the face and upper chest, upper back, and shoulders (as per protocol) for 12 weeks.

Dapsone 5% gel (ACZONE®) applied twice daily to the face and upper chest, upper back, and shoulders (as per protocol) for 12 weeks.

Sponsors

Allergan
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 35 Years
Healthy volunteers
No

Inclusion criteria

* Participation in Allergan study 225678-004

Exclusion criteria

* Anticipates the need for surgery or hospitalization during the study

Design outcomes

Primary

MeasureTime frame
Change from Baseline in Inflammatory Lesion CountBaseline, Week 12

Secondary

MeasureTime frame
Change from Baseline in Non-Inflammatory Lesion CountBaseline, Week 12
Change from Baseline in Total Lesion CountBaseline, Week 12
Percentage of Subjects With a Global Acne Assessment Score (GAAS) of 0 or 1Week 12

Outcome results

None listed

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