Three-Year VenoValve(R) First-in-Human Trial Data Published in the Annals of Vascular Surgery

Promising results from the first-in-human study demonstrated that, at three-years post implantation, VenoValve remained safe and effective--achieving a high rate of patency, restoring deep venous competence and maintaining clinical benefitsCompany has submitted PMA application for the VenoValve to the U.S. Food and Drug Administration (FDA) with a decision anticipated in the second half of 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 its manuscript titled, "Three-Year Outcomes of Surgical Implantation of a Novel Bioprosthetic Valve for the Treatment of Deep Venous Reflux1," has been published in the in the peer-reviewed journal, Annals of Vascular Surgery.The VenoValve was surgically implanted in the femoral vein of eleven subjects with active or healed venous ulcers (CEAP classifications C5-C6). Eight subjects completed three years of follow-up, with key findings including:Primary patency: 79% (Kaplan-Meier curve) at three yearsSymptom relief: 7 point improvement Venous Clinical Severity Score; 84% reduction in pain on the Visual Analog Scale (VAS)The VenoValve remained safe and effective, achieving target patency and maintaining competence and clinical benefitsThe VenoValve is a potential first-in-class, surgical replacement venous valve for patients with severe deep venous CVI. The Company estimates that there are approximately 2.5 million potential new patients each year in the U.S. that could be candidates for the VenoValve. The Company has submitted a pre-market authorization (PMA) application for the VenoValve to the U.S. Food and Drug Administration (FDA), with a decision anticipated in the second half of 2025.About CVISevere, deep venous Chronic Venous Insufficiency (CVI) is a debilitating disease that is most often caused by blood clots (deep vein thromboses or DVTs) in the deep veins of the leg. When valves inside of the veins of the leg fail, blood flows in the wrong direction and pools in the lower leg, causing pressure within the veins of the leg to increase (venous hypertension). Symptoms of severe CVI include leg swelling, pain, edema, and in the most severe cases, recurrent open sores known as venous ulcers. The disease can severely impact everyday functions such as sleeping, bathing, dressing, and walking, and is known to result in high rates of depression and anxiety. There are currently no effective treatments for severe CVI of the deep vein system caused by valvular incompetence. Estimates indicate that CVI costs the U.S. healthcare system in excess of $4 billion each year.About enVVeno Medical CorporationenVVeno Medical (NASDAQ:NVNO) is an Irvine, California-based, late clinical-stage medical device Company focused on the advancement of innovative bioprosthetic (tissue-based) solutions to improve the standard of care for the treatment of deep venous disease. The Company's lead product, the VenoValve®, is a first-in-class surgical replacement venous valve being developed for the treatment of deep venous Chronic Venous Insufficiency (CVI). The Company is also developing a non-surgical, transcatheter based replacement venous valve for the treatment of deep venous CVI called enVVe®. CVI occurs when valves inside of the veins of the leg become damaged, resulting in the backwards flow of blood (reflux), blood pooling in the lower leg, increased pressure in the veins of the leg (venous hypertension) and in severe cases, venous ulcers that are difficult to heal and become chronic. Both the VenoValve and enVVe are designed to act as one-way valves, to help assist in propelling blood up the leg, and back to the heart and lungs. The VenoValve is currently being evaluated in the SAVVE U.S. pivotal study and the Company is currently performing the final testing necessary to seek approval for the pivotal trial for enVVe.Cautionary Note on Forward-Looking StatementsThis press release and any statements of stockholders, directors, employees, representatives and partners of enVVeno Medical Corporation (the "Company") related thereto contain, or may contain, among other things, certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve significant risks and uncertainties. Such statements may include, without limitation, statements identified by words such as "projects," "may," "will," "could," "would," "should," "believes," "expects," "anticipates," "estimates," "intends," "plans," "potential" or similar expressions. These statements are based upon the current beliefs and expectations of the Company's management and are subject to significant risks and uncertainties, including those detailed in the Company's filings with the Securities and Exchange Commission. Actual results and timing (may differ significantly from those set forth or implied in the forward-looking statements. Forward-looking statements involve certain risks and uncertainties that are subject to change based on various factors (many of which are beyond the Company's control). The Company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future presentations or otherwise, except as required by applicable law.INVESTOR CONTACT:Jenene Thomas, JTC Team, LLC [email protected](908) 824-0775MEDIA CONTACT:Glenn Silver, FINN Partners [email protected](973) 818-8198SOURCE: enVVeno Medical Corporation

Three-Year VenoValve(R) First-in-Human Trial Data Published in the Annals of Vascular Surgery

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