EPHX2 and neurodegenerative disease: This has been deeply investigated for EPHX2, and specific inhibitors have shown beneficial effects on a wide range of apparently unrelated conditions, including diabetes, fibrosis, chronic pain, cardiovascular, and neurodegenerative diseases (Ghosh et al., 2020), so that several of these EPHX2 inhibitors were tested in phase I clinical trials (Morisseau and Hammock, 2013; Imig and Hammock, 2009).