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[Endomorphins and experimental analgesic action of amitriptyline]
Revue Neurologique
|January 1, 1983
Abstract:
The analgesic effect of several doses of amitriptyline was studied in rats. The lower doses of the tricyclic compound showed clear analgesic properties whereas the higher doses remained ineffective. Naloxone, deprived of effect when administered alone, reduced the antinociceptive action of amitriptyline. These results suggest that the analgesic properties of the tricyclic compound could involve endorphin central systems.