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Updated: Dec 15, 2025

A Chemical Screening Procedure for Glucocorticoid Signaling with a Zebrafish Larva Luciferase Reporter System
Published on: September 10, 2013
Discovery of the potent non-steroidal glucocorticoid receptor modulator BAY 1003803 as clinical candidate
Markus Berger1, Ekkehard May2, Hartmut Rehwinkel1
1Medicinal Chemistry Berlin, Research & Development, Pharmaceuticals, Bayer AG, D-13353 Berlin, Germany.
Abstract:
We report on the discovery of the new clinical candidate BAY 1003803 as glucocorticoid receptor agonist for the topical treatment of psoriasis or severe atopic dermatitis. In the course of optimizing the amino alcohol series as a highly potent new non-steroidal lead structure, considerations were made as to how physicochemical properties and safety concerns relate to structural motifs. BAY 1003803 demonstrates strong anti-inflammatory activity in vitro paired with a pharmacokinetic profile suitable for topical application.
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