Trial Design: Human papillomavirus infection causes verruca vulgaris. CDK9 inhibitor FIT039 inhibits DNA virus proliferation in animal models. We conducted a multicenter, single-blind, placebo-controlled, randomized phase I/II clinical trial evaluating the safety and efficacy of FIT039 against verruca vulgaris.

Methods: Target lesions were treated with liquid nitrogen once, and a FIT039 patch or placebo patch was applied for 14 days. The primary endpoint was lesion disappearance. The secondary endpoints were safety and changes in dimension, cross-sectional area, and the number of petechial lesions.

Results: A total of 24 participants were randomly allocated to the FIT039 (n = 13, median age, 54 years) and placebo (n = 11, median age, 62 years) groups. Verruca vulgaris did not disappear. FIT039 decreased the dimension to 76% of the initial value on day 29, followed by an increase to 98% on day 57. Placebo showed a monotonic increase to 107% on day 57. Changes in the cross-sectional area and petechiae number were comparable between the groups.

Conclusions: No drug-related adverse reactions occurred. FIT039 efficacy was not determined in this study.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8659400PMC
http://dx.doi.org/10.1016/j.xjidi.2021.100026DOI Listing

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