MRK vs VTGN

Merck & Company Inc.

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health segments. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, diabetes, and women's health, as well as vaccine products. The Animal Health segment provides discovers, develops, manufactures, and markets a range of veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as a suite of digitally connected identification, traceability, and monitoring products. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; and Ridgeback Biotherapeutics. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaboration agreement with Gilead Sciences, Inc. to co-develop and co-commercialize long-acting investigational treatment combinations of Lenacapavir and Islatravir in HIV; Amathus Therapeutics to develop treatments for neurodegenerative diseases; and Linnaeus Therapeutics, Inc. to evaluate LNS8801 in combination with KEYTRUDA for patients with advanced cancer. It also has a collaboration with Biomed X Gmbh for building on ongoing research projects in the fields of oncology (DNA damage response and RNA splicing) and autoimmunity (intestinal epithelial barrier in autoimmune diseases); and a collaboration agreement with NGM Biopharmaceuticals, Inc. to focus primarily on the development of novel medicines for unmet patient needs in retinal and CVM diseases, including heart failure. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

Vistagen Therapeutics Inc.

VistaGen Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in developing and commercializing various medicines with the potential to care for anxiety, depression, and other disorders of the central nervous system (CNS). The company's CNS pipeline includes PH94B, a rapid-onset neuroactive nasal spray, which is in preparation for Phase III development for the acute treatment of anxiety in adults with social anxiety disorder. Its PH94B product also has potential to treat a range of anxiety disorders, including adjustment disorder with anxiety, postpartum anxiety, post-traumatic stress disorder, preprocedural anxiety, panic, and others. The company's CNS pipeline also comprises PH10, a rapid-onset neuroactive nasal spray, which is in preparation for Phase 2B clinical development as a stand-alone treatment for major depressive disorder (MDD); and AV-101, an oral N-methyl-D-aspartate receptor antagonist, which is in development in combination with probenecid as a potential treatment of levodopa-induced dyskinesia, MDD, neuropathic pain, and suicidal ideation. It has contract research and development agreement with Cato Research Ltd.; license and option agreements with Pherin Pharmaceuticals, Inc.; license and collaboration agreement with EverInsight Therapeutics Inc.; and license and sublicense agreement with BlueRock Therapeutics, LP. The company was founded in 1998 and is headquartered in South San Francisco, California.