Metagen Therapeutics Inc. is a biotech company based in Tsuruoka, Yamagata, focused on developing innovative therapies derived from the gut microbiome. Founded in 2020, the company has built an advanced platform for fecal microbiota transplantation (FMT) and microbiome-based drug development. By leveraging expertise in metabologenomics, Metagen creates probiotics, prebiotics, and microbial therapies aimed at treating diseases such as ulcerative colitis, gastrointestinal cancers, and Parkinson’s disease. With a growing team and strong ties to academic institutions, the company recently opened Japan’s first dedicated stool donation facility and plans to begin clinical trials in the near future.