Diurnal is now Neurocrine UK

Welcome to Diurnal

A global specialty pharmaceutical company focused on chronic endocrine diseases

Founded in 2004, DIURNAL®, a NEUROCRINE BIOSCIENCES® Company, is a European, UK-headquartered specialty pharmaceutical company dedicated to developing hormone therapeutics to aid lifelong treatment for rare and chronic endocrine conditions, including Congenital Adrenal Hyperplasia and Adrenal Insufficiency.

Mission Statement

To address the major unmet clinical and patient needs in endocrinology by creating products for the lifelong treatment of chronic conditions.

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Overview

Neurocrine is committed to transparency in its interactions. Neurocrine commits to following the Association of British Pharmaceutical Industry (ABPI) Code of Practice which has clear requirements for transparency. Neurocrine has published details of its transfers of value required under the ABPI Code on the ABPI website and on this website. Disclosures prior to 2025 are reported under the legacy name Diurnal.

Neurocrine Group Ltd (Company Number: 09846650) and its subsidiary, Neurocrine UK Ltd (Company Number: 05237326) are companies registered in England and Wales. Registered Offices: Cardiff Medicentre, Heath Park, Cardiff, CF14 4UJ, UK.