Virpax Pharmaceuticals, Inc., a preclinical stage biopharmaceutical company, develops and manufactures non-opioid and non-addictive pharmaceutical products using drug delivery systems for pain management. The company offers products, such as Epoladerm, a diclofenac metered-dose spray film for acute musculoskeletal pain; Probudur (LBL100), long-acting bupivacaine liposomal gel for postoperative pain management; OSF200 for chronic osteoarthritis of the knee; and NES100 (Envelta), an exogenous enkephalin intranasal spray for acute and chronic pain. It also develops PES200 for the management of post-traumatic stress disorder; and MMS019 high-density molecular masking spray to prevent or reduce the risk or the intensity of viral infections in humans, including influenza and SARS-CoV-2 (Covid-19). Virpax Pharmaceuticals, Inc. was founded in 2016 and is headquartered in Berwyn, Pennsylvania.