Prazitone (INNTooltip International Nonproprietary Name, BANTooltip British Approved Name; developmental code name AGN-511) is a barbituratederivative described as an antidepressant which was developed in the 1960s.[1][2] Unlike most barbiturates, it has little or no sedative effects, instead acting as a non-sedating anxiolytic and antidepressant.[3][1] The dosage range in humans is around 200–600 mg, although higher doses have been used in trials for the treatment of depression associated with Parkinson's disease.[citation needed]
^DE 1645911, Wiggins LF, Gittos MW, James JW, "Process for the preparation of derivatives of barbituric acid", issued 30 May 1973, assigned to Aspro Nicholas Ltd.
^US 3806596, Langlands R, "Method for imparting anti-depressant and/or anxiolytic effects to animals.", issued 23 March 1974, assigned to Aspro Nicholas Ltd.