A phase I study of intra-anal artesunate (suppositories) to treat anal high-grade squamous intraepithelial lesions
PLOS ONE(2023)
Abstract
BackgroundAblation or surgical excision is the typical treatment of anal high-grade squamous intraepithelial lesions (HSIL). Recurrences are common due to the persistence of underlying human papillomavirus (HPV) infection. Additional well-tolerated and effective non-surgical options for HPV-associated anal disease are needed.MethodsThis 3+3 dose escalation Phase I clinical trial evaluated the safety and tolerability of artesunate suppositories in the treatment of patients with biopsy-proven HSIL.ResultsThe maximal tolerated dose was 400 mg, administered in 3 cycles. All adverse events associated with the use 200- and 400-mg artesunate suppositories were Grade 1. At the 600-mg dose, patients experienced clinically significant nausea.ConclusionArtesunate suppositories are a safe treatment option for anal HSIL.
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