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General pharmacology of S 15261, a new concept for treatment of diabetes.

Abstract
The new compound S 15261 (CAS 159978-02-6) is the I-isomer of 3-[2-[2-[4-[2-(alpha-Fluorenylacetylamino)ethyl]benzoyloxy]ethylam ino]-1- methoxyethyl]trifluoromethylbenzene. The general synthetic pathway used for the preparation of S 15261 and related esters is given in this paper. This compound was selected for its promising therapeutical action on blood glucose, insulin resistance and associated risk factors present in patients with non-insulin-dependent Diabetes mellitus (NIDDM). The general pharmacological profile of S 15261 was investigated. The data given in this paper show that S 15261 has presented a very low acute toxicity (lethal dose in mice greater than 1600 mg/kg orally) and did not induce significant behavioural changes in rats. A poor anorectic effects was observed after acute administration in rats. In guinea pigs S 15261 acutely induced a significant and dose-dependent hypoglycaemic effect (ED25 = 40 mg/kg orally). Biogenic amines and their metabolites in different structures of the brain were only slightly affected after acute administration of S 15261. Chronic administration of this compound (2.5 mg/kg bid for 14 days p.o.) did not cause significant alterations in the brain amines content, with the exception of an increase of serotonin (19%) in the striatum, a result not confirmed by the dose-effect study (from 1 mg/kg to 12.5 mg/kg bid for 14 days p.o.). In vitro binding assays with 31 different receptors did not show significant affinity of S 15261 for any of them. The rat arterial blood pressure was decreased (12 mmHg) after acute (25 mg/kg i.v.) or repeated administration (2.5 mg/kg bid for 14 days p.o.) without any dose-dependent effect. We therefore conclude that S 15261 may not have significant adverse effect even at doses higher than the pharmacological effective range of doses. Although the mechanism of action of this new class of compounds was not fully understood, other pharmacological data suggest that S 15261 acts at both the liver (intraportal infusion) and skeletal muscle (microdialysis studies) at least in part to enhance insulin sensitivity. For all these activities S 15261 may be useful to treat patients with NIDDM or insulin resistance known to be the major risk for onset of NIDDM.
AuthorsJ Duhault, S Berger, M Boulanger, O Della Zuana, F Lacour, M Wierzbicki
JournalArzneimittel-Forschung (Arzneimittelforschung) Vol. 48 Issue 7 Pg. 734-44 (Jul 1998) ISSN: 0004-4172 [Print] Germany
PMID9706374 (Publication Type: Journal Article)
Chemical References
  • Biogenic Monoamines
  • Blood Glucose
  • Fluorenes
  • Receptors, Cell Surface
  • Serotonin Receptor Agonists
  • S 15261
  • 8-Hydroxy-2-(di-n-propylamino)tetralin
Topics
  • 8-Hydroxy-2-(di-n-propylamino)tetralin (antagonists & inhibitors, pharmacology)
  • Animals
  • Biogenic Monoamines (metabolism)
  • Blood Glucose (metabolism)
  • Blood Pressure (drug effects)
  • Brain Chemistry (drug effects)
  • Feeding Behavior (drug effects)
  • Female
  • Fluorenes (pharmacokinetics, pharmacology, toxicity)
  • Guinea Pigs
  • Insulin Resistance (physiology)
  • Male
  • Mice
  • Pain Measurement (drug effects)
  • Radioligand Assay
  • Rats
  • Rats, Sprague-Dawley
  • Reaction Time (drug effects)
  • Receptors, Cell Surface (drug effects, metabolism)
  • Serotonin Receptor Agonists (pharmacology)

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