Is GRX-917 Patent Protected?
The Company has used deuteration technology to create a new and improved version of etifoxine, deuterated etifoxine (GRX-917), that has composition of matter patent protection, until 2036.
Why Was Etifoxine Never Introduced into the United States?
Early Beginnings The original, non-deuterated drug (etifoxine) was originally developed to compete with tranquilizing and sedative BZs of the 1960’s, such as Valium and Librium. But it was mischaracterized as a mild benzodiazepine, because of its lack of typical benzodiazepine side effects, like sedation and ataxia. Hoechst sold the rights [...]