EVALUATION OF ANTIDEPRESSANT ACTIVITY OF TRAMADOL HYDROCHLORIDE IN MICE MODEL
*R.Naga Kishore1, N.Anjaneyulu1, M.Naga ganesh1, N.Sravya1, G.Abhinayani1, and C.Pratyusha1
Department of pharmacology, Geethanjalicollege of pharmacy, Cheeryal (v), Keesara (m), R.R.Dist, India
ABSTRACT
Present study was designed to investigate the anti
depressant activity of the tramadol. Anti-depressant activity
evaluated by forced swim test, tail suspension test and open
field test. Healthy albino mice (6-7 week old) weighing 20-
40- grams were used. Potency of the test sample was
compared with the standard fluoxetine drug. Results
showed that the administration of the tramadol produced
adiminution of immobility time (a posture thought to reflect
a state of ‘‘behavior despair’’ in which animals have given
up the hope to escape) of mice exposed to the both forced
swimming and tail suspension tests. In the present study,
tramadol (50 mg/kg, ip) administered to mice, produced
significant antidepressant‐like effect in both TST and FST
and efficacy was found to be comparable to fluoxetine (20 mg/kg, ip). Further
studies would be necessary to evaluate the contribution of tramadol for the
observed antidepressant activity as it still remains to be determined for the side
effects.
Keywords: Tramadol, Fluoxetine, Open Field Test, Forced Swim Test, Tail Suspension Test.
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