IRVINE, CA / ACCESS Newswire / September 15, 2025 / enVVeno Medical Corporation (Nasdaq:NVNO) ("enVVeno" or the "Company"), a company setting new standards of care for the treatment of deep venous disease, today announced that it will file a request for supervisory appeal of the not-approvable letter from the Center for Devices and Radiological Health (CDRH) of the U.S. Food & Drug Administration (FDA) received on August 19, 2025, in response to its Premarket Approval (PMA) application for the VenoValve®, a ...