Axelopran
Axelopran (INN, USAN) (developmental code name TD-1211) is a drug which is under development by Theravance Biopharma and licensed to Glycyx for all indications. It acts as a peripherally acting μ-opioid receptor antagonist and also acts on κ-, and δ-opioid receptors, with similar affinity for the μ- and κ-opioid receptors and about an order of magnitude lower affinity for the δ-opioid receptor.