Bexotegrast(PLN-74809) is potent dual selective inhibitor of αvβ6 and αvβ1 integrins with Kd of 5.7 nM and 3.4 nM, respectively. It has antifibrogenic effects, blocks multiple TGF-β activation pathways in the fibrotic lung, and is useful for researching fibrosis, including idiopathic pulmonary fibrosis (IPF) and nonspecific interstitial pneumonia (NSIP).