Neurodegenerative diseases such as ALS, Alzheimer’s disease, and frontotemporal dementia have been difficult conditions for drug developers to target. Coya Therapeutics is approaching these conditions as diseases of immune system dysfunction to address the neuroinflammation that underlies them We spoke to Adrian Hepner, president and chief medical officer of Coya, about the role a hyper immune response plays in the progress of neurodegenerative diseases, how the company’s experimental regulatory T cell therapy works to halt that, and its pipeline in development.