DIURNAL®, a NEUROCRINE BIOSCIENCES® Company, is an innovative UK-based specialty pharmaceutical company dedicated to developing hormone therapeutics to aid lifelong treatment for rare and chronic endocrine conditions, including Congenital Adrenal Hyperplasia, Adrenal Insufficiency, Hypogonadism and Hypothyroidism. Since our inception in 2004, our company mission has been clear: to address crucial unmet patient and clinical need in the endocrine field and deliver best health outcomes to improve patients’ quality of life. Diurnal has a strong, multi-skilled entrepreneurial management team with extensive pharmaceutical product development experience and an affiliated network of world-class clinical experts in the area of endocrinology.