Sonidegib, also known as, erismodegib, LDE225, NVP-LDE225, is an orally bioavailable small-molecule Smoothened (Smo) antagonist with potential antineoplastic activity. Erismodegib selectively binds to the Hedgehog (Hh)-ligand cell surface receptor Smo, which may result in the suppression of the Hh signaling pathway and, so, the inhibition of tumor cells in which this pathway is abnormally activated. It was approved by the FDA for treating basal cell carcinoma in July 2015.
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