Pharmaceutical Avadel CNS Pharmaceuticals, a subsidiary of Avadel Pharmaceuticals, has filed an Administrative Procedure Act suit against the US Food and Drug Administration (FDA), the US Department of Health and Human Services, the Secretary of Health and Human Services and the Commissioner of Food and Drugs in the US District Court for the District of Columbia related to the New Drug Application (NDA) for Lumryz (sodium oxybate; formerly known as FT218), the company revealed in a filing with the Securities and Exchange Commission. 26 July 2022