DMT310 Powder mixed with Hydrogen Peroxide

Placebo powder mixed with Hydrogen Peroxide

Topical Powder

Inflammatory and Noninflammatory

0 Clear No evidence of facial acne vulgaris

1. Almost Clear Few non-inflammatory lesions (comedones) are present; a few inflammatory lesions(papules/pustules) may be present; no nodulo-cystic lesions are allowed)
2. Mild Several to many non-inflammatory lesions (comedones) are present; a few inflammatory lesions (papules/pustules) are present; no nodulo-cystic lesions are allowed
3. Moderate Many non-inflammatory (comedones) and inflammatory lesions (papules/pustules) are present; no nodulo-cystic lesions are allowed
4. Severe Significant degree of inflammatory disease; papules/pustules are a predominant feature; a few nodulo-cystic lesions may be present; comedones may be present

Incidence of adverse events as a measure of safety and tolerability