Tirbanibulin: First Approval
Related Experiment Video
Updated: Nov 13, 2025

Scaled-Up Preparation of an Intermediate of Upatinib, ACT051-3
Published on: April 7, 2023
Anthony Markham1, Sean Duggan2
1Springer Nature, Mairangi Bay, Private Bag 65901, Auckland, 0754, New Zealand. dru@adis.com.
Abstract:
Tirbanibulin (Klisyri®) is a first-in-class Src kinase signaling inhibitor and tubulin polymerisation inhibitor being developed by Athenex in conjunction with global partners for the topical treatment of actinic keratosis, and psoriasis. Based on the data from two pivotal phase III trials the drug was recently approved for marketing in the US as a topical treatment for actinic keratosis. This article summarizes the milestones in the development of tirbanibulin leading to this first approval.
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