Affiliation:
1. Faculty of Medicine, Department of Anesthesiology, Lorestan University of Medical Sciences, Khorramabad, Iran
Abstract
Abstract
Aim The purpose of this study was to evaluate the antinociceptive interaction between bupivacaine and Artemisia aucheri. L encapsulated nanoparticles.
Methods and materials The effect of bupivacaine and Artemisia aucheri.L alone, and their encapsulated co-administration was assessed using the 3% formalin test in rat. Increasing doses of bupivacaine (31.6, 100, 178, and 316 mg/kg) or Artemisia aucheri.L (5.6, 10, 17.8, and 31.6 mg/kg) were given i.p. 10 min before 3% formalin administration.
Results The possible mechanism(s) of action were analyzed for the encapsulated co-administration, naloxone (1 mg/kg) and N (G)-nitro-L-arginine methyl ester (L-NAME) (3 mg/kg) were used. Interaction index and isobolographic analysis and the demonstrated a synergistic effect. The experimental ED30 was lower as compared with theoretical ED30. Naloxone was shown to reduce the antinociceptive effect of the encapsulated co-administration.
Discussion These data suggest that the bupivacaine and Artemisia aucheri.L encapsulated nanoparticles gave a synergistic effect.
Subject
Drug Discovery,General Medicine
Cited by
4 articles.
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