Artesunate Ointment for the Treatment of Anal HSIL in HIV-negative Participants

Inclusion Criteria:

* Adult men and women age ≥ 18 years
* Capable of informed consent
* Biopsy-confirmed intra-anal high-grade dysplasia (AIN 2, AIN 3, anal HSIL) by HRA.
* Positive anal human papillomavirus (HPV) test.
* Women of childbearing potential agree to use birth control for the duration of the study.
* Laboratory values at Screening of:

  1. Serum alanine transaminase (SGPT/ALT) \< 5 x upper limit of normal (ULN)
  2. Serum aspartate transaminase (SGOT/AST) \< 5 x ULN
  3. Serum Bilirubin (total) \< 2.5 x ULN
  4. Serum Creatinine ≤ 1.5 x ULN
* Electrocardiogram (ECG) with no clinically significant findings as assessed by the Investigator.
* Weight ≥ 50kg

Exclusion Criteria:

* Pregnant and nursing women
* Diagnosis of low-grade anal dysplasia (AIN 1, LSIL), without the concomitant diagnosis of anal HSIL, by HRA
* Concurrent anal, vulvar, cervical, or penile cancer
* HIV-seropositivity
* Currently receiving systemic chemotherapy or radiation therapy for another cancer.
* Patients who are on medical treatment with systemic immunosuppressants or steroids (e.g., active autoimmune disease). Participants using nasal steroid treatments for allergic conditions may participate in the study.
* Concomitant use of strong UGT (Uridine-diphosphate-glucuronosyltransferase) inhibitors
* Concomitant use of imiquimod or 5-fluorouracil (5-FU) for the duration of the study