A Phase 2 Safety and Efficacy Study of UHE-101 Cream in Subjects With Acne Vulgaris

1. Patient must provide written informed consent/assent. A patient under 18 years of age must provide written informed assent and be accompanied by the parent or legal guardian at the time of assent/consent signing. The parent or legal guardian must provide informed consent for the patient. If a patient becomes 18 years of age during the study, the patient must provide written informed consent at that time to continue study participation.
2. Females must be post-menopausal, surgically sterile, or use an effective method of birth control.
3. Patient has moderate to severe facial acne vulgaris.
4. Patient must be in good general health as determined by the investigator and supported by medical history, physical and Vital Signs exam.

Exclusion Criteria:

1. Females who are pregnant, lactating, or are planning to become pregnant during the study.
2. Patient has active nodulocystic acne or acne conglobate, acne fulminans, or other forms of acne (e.g., acne mechanica).
3. Patient has any skin pathology or condition that, in the investigator's opinion, could interfere with the evaluation of the test article or requires use of interfering topical, systemic, or surgical therapy.

4. Patient has used any of the following topical anti-acne preparations or procedures on the face:

   • Topical anti-acne treatments including, but not limited to, over the-counter (OTC) acne cleansers or treatments, benzoyl peroxide, antibiotics, azelaic acid, dapsone, sulfa based products, corticosteroids, and salicylic acid within two weeks of Baseline;
   • Topical retinoids (e.g., tazarotene, adapalene, and tretinoin) within four weeks of Baseline;
   • Light treatments, microdermabrasion, or chemical peels within eight weeks of Baseline;
   • Other topical therapy, which may materially affect the patient's acne, in the investigator's opinion.

5. Patient has used any of the following systemic anti-acne medications:

   • Corticosteroids (including intramuscular and intralesional injections) within four weeks of Baseline. Inhaled, intranasal, or ocular corticosteroids are allowed if use is stable;
   • Antibiotics or other systemic anti-acne medications within four weeks of Baseline, with the exception of five days or less of antibiotic therapy during this period, but not within one week of Baseline;
   • Androgen receptor blockers (i.e., spironolactone or flutamide) within eight weeks of Baseline; with the exception of five days or less of spironolactone therapy during this period, but not within one week of Baseline;
   • Retinoid therapy (e.g., isotretinoin) within six months of Baseline;
   • Vitamin A supplements (greater than 10,000 units per day) within six months of Baseline;
   • Other systemic therapy, which may materially affect the patient's acne, in the investigator's opinion.
6. Patient has the need or plans to be exposed to artificial tanning devices or excessive sunlight during the study.
7. Patient has used an investigational drug or investigational device treatment within 30 days prior to first application of the test article or is currently enrolled in an investigational drug, device, or biologic study.
8. Patient has a history of sensitivity to any of the ingredients in the test articles.