Coya Therapeutics, Inc., a clinical-stage biotechnology company, engages in the development of proprietary medicinal products to modulate 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 is developing COYA 101, an autologous regulatory T-cell product candidate that has completed Phase 2a clinical trial for use in the treatment of Amyotrophic Lateral Sclerosis. The company's product candidates in IND-enabling studies include COYA 301, a low-dose interleukin 2 Treg-enhancing biologic for use in the treatment of Frontotemporal Dementia; and COYA 302, a biologic combination for subcutaneous and/or intravenous administration intended to enhance Treg function while depleting T effector function and activated macrophages for use in the treatment of neurodegenerative and autoimmune diseases. It is also developing COYA 201, an antigen directed Treg-derived exosome product candidate that is in preclinical stage for use in the treatment of neurodegenerative, autoimmune, and metabolic diseases; and COYA 206, an antigen directed Treg-derived exosome product candidate, which is in discovery stage. The company was incorporated in 2020 and is headquartered in Houston, Texas.