Efficacy and Safety of IDP-121 and IDP-121 Vehicle Lotion in the Treatment of Acne Vulgaris

Exclusion Criteria

• •Use of an investigational drug or device within 30 days of enrollment or participation in a research study concurrent with this study.
• •Any dermatological conditions on the face that could interfere with clinical evaluations such as acne conglobata, acne fulminans, secondary acne, perioral dermatitis, clinically significant rosacea, gramnegative folliculitis.
• •Any underlying disease(s) or some other dermatological condition of the face that requires the use of interfering topical or systemic therapy or makes evaluations and lesion count inconclusive.
• •Participants with a facial beard or mustache that could interfere with the study assessments.
• •History of hypersensitivity or allergic reactions to any of the study preparations as described in the Investigator's Brochure, including known sensitivities to any dosage form of tretinoin.
• •Participants who are unable to communicate or cooperate with the Investigator due to language problems, poor mental development, or impaired cerebral function.
• •Participants with any underlying disease that the Investigator deems uncontrolled, and poses a concern for the participant's safety while participating in the study.