ChemicalBook CAS DataBase List 477956-38-0

477956-38-0

Name	Lesogaberan napadisylate
CAS	477956-38-0
Molecular Formula	C13H17FNO5PS
MDL Number	MFCD34469975
Molecular Weight	349.31
MOL File	477956-38-0.mol

Hazard Information

Uses

Lesogaberan (AZD-3355) napadisylate is a potent and selective GABAB receptor agonist with an EC50 of 8.6 nM for human recombinant GABAB receptors. The affinity (Kis) of Lesogaberan napadisylate for rat GABAB and GABAA receptors, as measured by displacement of [3H]GABA binding in brain membranes: 5.1 nM and 1.4 μM, respectively. Lesogaberan napadisylate inhibits transient lower esophageal sphincter relaxation through a peripheral mode of action[1].

in vivo

Lesogaberan (AZD3355) potently stimulates recombinant human GABA_B receptors and inhibits transient lower esophageal sphincter relaxation (TLESR) in dogs, with a biphasic dose-response curve^[1].
Oral Lesogaberan (0.08 mg/mL; 48 hours) protects human islet β-cells from apoptosis in islet grafts in mice^[2].
Lesogaberan (7 μmol/kg) shows high oral availability (88% in the dog and 100% in the rat) and relatively low systemic clearance in female SpragueDawley rats^[1].

Animal Model:	Diabetic NOD/scid mice were implanted with human islets^[2]
Dosage:	0.08?mg/mL
Administration:	Oral feeding; 48 hours
Result:	Significantly reduced the percentages of apoptotic islet cells and increased the frequency of insulin⁺ β-cells in human islet grafts.

Animal Model:	Female Sprague Dawley rats^[1]
Dosage:	7 μmol/kg (Pharmacokinetic Analysis)
Administration:	Oral
Result:	High oral availability (88% in the dog and 100% in the rat) and relatively low systemic clearance. Plasma protein binding was 1% in rat and human plasma.

References

[1] Lehmann A, et al. (R)-(3-amino-2-fluoropropyl) phosphinic acid (AZD3355), a novel GABAB receptor agonist, inhibits transient lower esophageal sphincter relaxation through a peripheral mode of action. J Pharmacol Exp Ther. 2009 Nov;331(2):504-12. DOI:10.1124/jpet.109.153593
[2] Tian J, et al. Repurposing Lesogaberan to Promote Human Islet Cell Survival and β-Cell Replication. J Diabetes Res. 2017;2017:6403539. DOI:10.1155/2017/6403539

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