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Current Drug Therapy

Editor-in-Chief

ISSN (Print): 1574-8855
ISSN (Online): 2212-3903

Comparative In Vitro Antimicrobial Activity of Pantoprazole, Tetracycline and a Fixed Dose Combination in Helicobacter pylori Infection

Author(s): Dharmendra Rai, Vivek Kumar Dwivedi, Manu Chaudhary, Sanjay Mohan Shrivastava, Praveen Rishi and Pramod Kumar Pandey

Volume 4 , Issue 2 , 2009

Page: [106 - 110] Pages: 5

DOI: 10.2174/157488509788185196

Price: $65

Abstract

Fixed dose combinations of Pantoprazole and Tetracycline (PT) have a wider range of susceptibility than any one of these two drugs individually. The present study was carried out to determine the Minimum Inhibitory Concentration (MIC) and Time kill curve of Pantoprazole, Tetracycline and a fixed dose combination of these two drugs in four groups (HP-B1, HP-B2, HP-B3, HP-B4) of Helicobacter pylori (H. pylori) bacteria. The MIC were found to be 0.03125 mg/l, 0.03125 mg/l, 0.03125 mg/l, and 0.0625 mg/l for PT, 32mg/l, 64mg/l, 32mg/l, 64mg/l, respectively, for Pantoprazole and 0.125 mg/l, 0.125mg/l, 0.125mg/l, and 0.25mg/l for tetracycline, respectively, in the different groups . In all H. pylori groups studied, the time-kill curve analysis demonstrated maximum bacterial killing at 4 hours with PT having the most pronounced effect. From the present findings it can be concluded that a fixed dose combination of pantoprazole and tetracycline has better efficacy and more bacterial inhibiting properties than Pantoprazole or Tetracycline alone.

Keywords: Minimum inhibitory concentration, time kill curve, fixed dose combination, pantoprazole, tetracycline


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