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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-5996
Vol. 12, No. 2, 2013, pp. 143-147
Bioline Code: pr13023
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 12, No. 2, 2013, pp. 143-147

 en In vivo Evaluation of Amoxicillin Trihydrate and Clarithromycin-Loaded Mucoadhesive Microspheres for H. pylori check for this species in other resources Eradication
Nallasamy, Venkateswaramurthy; Ramanathan, Sambathkumar & Perumal, Perumal


Purpose: To evaluate in vivo H. pylori check for this species in other resources clearance efficacy of formulated mucoadhesive microspheres of amoxicillin trihydrate and clarithromycin.
Methods: Amoxicillin trihydrate and clarithromycin mucoadhesive microspheres were prepared by solvent evaporation method using Carbopol 974P, HPMC K4M and Eudragit RS 100. In vivo clearance efficacy of the microspheres was evaluated in a Wistar rat model after induction of H. pylori infection. Amoxicillin and clarithromycin-loaded microspheres were administered twice daily for three days. H. pylori clearance was evaluated by assessing colony count.
Results: Treatment with plain drug solution (90 mg/kg amoxicillin and 45 mg/kg clarithromycin) resulted in a colony count of log 1.25 ± 0.56 CFU and clearance rate of 60 %, while mucoadhesive microspheres-loaded dose of 45 mg/kg amoxicillin and 22.5 mg/kg clarithromycin resulted in complete (100 %) eradication of H. pylori infection.
Conclusion: The developed mucoadhesive amoxicillin/clarithromycin microspheres can potentially be used to effectively eradicate H. pylori infection.

Mucoadhesive; Microspheres; Hydroxypropyl methylcellulose; H. pylori; Clarithromycin; Carbopol; Amoxicillin

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