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

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.

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.