Naloxegol (oxalate)

Naloxegol (oxalate)

CAT N°: 23731
Price:

From 268.00 227.80

Naloxegol is a peripherally acting antagonist of the ?-opioid receptor (Ki = 7.42 nM; pA2 = 7.95).{39588} It is selective for the ?-opioid receptor over the ?-opioid receptor (Ki = 866 nM). Naloxegol also acts as a partial agonist of ?-opioid receptors in vitro (EC50 = 47 nM for [35S]GTP?S binding) but lacks activity ex vivo at concentrations up to 10 ?M. In vivo, naloxegol reverses morphine-induced decreases in gastrointestinal motility and analgesia in a hot-plate assay in rats (ED50s = 23.1 and 55.4 mg/kg, respectively), demonstrating a two-fold separation for peripheral versus CNS effects. Naloxegol also exhibits a brain uptake rate comparable to atenolol, a low-permeation standard with no brain uptake, in a rat brain perfusion model.

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