Department of Health All briefings received by the Minister for Health and Office of the Chief Medical Officers in regard to the safety and licensing of the medication sodium valproate/Epilim. The briefings would date from 1 October 2013–when the first EMA review of valproate medicines commenced – to 4 April 2023. Minutes of meetings of the national drugs advisory board that led to positive decisions regarding the licensing/authorisation of sodium valproate and Epilim during the 1970s and 1980s. during the 1970s and 1980s.