is the first FDA approved proprietary product for Athenex First-in-class microtubule inhibitor indicated for the topical treatment of actinic keratosis (AK) on the face or scalp with a 5-day application course Klisyri will be manufactured by Athenex Almirall will launch Klisyri in the U.S. in first quarter 2021 BUFFALO, N.Y., Dec. 15, 2020 (GLOBE NEWSWIRE) -- Athenex, Inc., (NASDAQ:ATNX), a global biopharmaceutical company dedicated to the discovery, development, and commercialization of novel therapies for the treatment of cancer and related conditions, today announced that the U.S. Food and Drug Administration (FDA) has approved Klisyri® (tirbanibulin) for the topical treatment of actinic keratosis (AK) on the face or scalp. Klisyri is the first FDA approved branded proprietary product for Athenex and will be launched in partnership with Almirall in the U.S. during the first quarter of 2021. Klisyri will be manufactured by Athenex, highlighting the vertically integrated capabilities of the company ranging from a preclinical lead to a developed product for market launch.