Coya Therapeutics, Inc., a clinical-stage biotechnology company, develops proprietary therapies to enhance the function of regulatory T cells (Tregs). The company's product candidate pipeline is based on therapeutic modalities, such as Treg-enhancing biologics, Treg-derived exosomes, and autologous Treg cell therapy. It develops COYA 302, a biologic combination for subcutaneous administration intended to enhance Treg function while depleting T effector function and activated macrophages in Phase 2 trial for use in the treatment of amyotrophic lateral sclerosis, as well as frontotemporal dementia, Alzheimer's disease (AD), and Parkinson's disease. In addition, the company's pre-clinical product candidates include COYA 301, a low-dose interleukin 2 product candidate to treat AD; COYA 303, an investigational biologic combination of COYA 301 and a glucagon-like-peptide-1 receptor agonist for the treatment of inflammatory diseases; COYA 201, an antigen directed Treg-derived exosome product candidate to treat neurodegenerative, autoimmune, and metabolic diseases; COYA 206, an antigen directed Treg-derived exosome product candidate; and COYA 101. It has a collaboration with Dr. Reddy's Laboratories SA for the development and commercialization of COYA 302, an investigational combination therapy for treatment of amyotrophic lateral sclerosis. Coya Therapeutics, Inc. was founded in 2020 and is headquartered in Houston, Texas.