Annovis Bio Inc and Neurodegenerative Diseases Annovis Bio Inc (ANVS), a clinical-stage drug platform company. This firm's focus is the treatment of neurodegenerative diseases. Annovis Bio Inc announced today new results from a double-blind, placebo-controlled study of its product ANVS401, the Company's lead . . . This content is for paid subscribers. Please click here to subscribe or here to log in.