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  1. A comprehensive review on potential drug-drug interactions of proton pump inhibitors with antidiabetic drugs metformin and DPP-4 inhibitors
    Tasnim J, Hashim NM, Han HC
    Cell Biochem Funct, 2024 Mar;42(2):e3967.
    PMID: 38480622 DOI: 10.1002/cbf.3967
    A drug interaction is a condition in which two or more drugs are taken at the same time. Type 2 diabetes mellitus is a significant contributor to polypharmacy. Proton pump inhibitors (PPIs) are often prescribed in combination with metformin or DPP-4 inhibitors (sitagliptin, saxagliptin, linagliptin, and alogliptin) or a combined dose of metformin and DPP-4 inhibitor to treat gastritis in diabetic patients. This review article mainly focused on evaluating the potential drug-drug interactions (DDIs) between PPIs (i.e. esomeprazole, lansoprazole, omeprazole, pantoprazole, and rabeprazole) with metformin and PPIs with DPP-4 inhibitors. The findings demonstrated the existence of pharmacokinetic and pharmacodynamic DDIs between the aforementioned PPIs with metformin and DPP-4 inhibitors, which could impact the biological activities (i.e., hypoglycemia) of these drugs. Moreover, this review suggested that esomeprazole could be the best drug in the PPI group to be prescribed simultaneously with metformin and DPP-4 inhibitors, as most of the antidiabetic drugs of this study did not show any interaction with esomeprazole. The findings of this study also revealed that both antidiabetic drugs and PPIs could have positive interactions as PPIs have the potential to lessen the gastrointestinal side effects of metformin and DPP-4 inhibitors. To achieve the greatest therapeutic impact with the fewest side effects, careful dose control of these drugs is required. So, more extensive research on both human and animal subjects are needed to ascertain the veracity of this hypothesis.
    Matched MeSH terms: Esomeprazole/pharmacology
  2. Fulltext Influences of proton pump inhibitor on Helicobacter pylori adherence to the gastrointestinal cell lines
    Omar MS, Damanhuri NS, Kumolosasi E
    Turk J Gastroenterol, 2017 Jan;28(1):53-59.
    PMID: 27991853 DOI: 10.5152/tjg.2016.0409
    BACKGROUND/AIMS: Helicobacter pylori is a carcinogenic bacterium that could induce P-glycoprotein expression in the human gastrointestinal tract. Bacterial adherence to the gastrointestinal cell lines could be influenced by the level of P-glycoprotein. This study aimed to determine the influence of proton pump inhibitors that exhibit an inhibitory effect on P-glycoprotein in gastrointestinal carcinoma cell lines, namely Caco-2 and LS174T, in relation to H. pylori adherence.

    MATERIALS AND METHODS: Caco-2 and LS174T cells lines treated with omeprazole and esomeprazole were used in this study to assess the bacterial attachment of H. pylori within certain incubation periods.

    RESULTS: The presence of proton pump inhibitors increased the H. pylori adherence in a time-dependent manner in both Caco-2 and LS174T cell lines. The double inhibition of P-glycoprotein using proton pump inhibitor and P-glycoprotein inhibitor caused low P-glycoprotein expression in the cell lines, resulting in higher H. pylori adherence compared to the control cell lines.

    CONCLUSION: Proton pump inhibitors may alter P-glycoprotein expression in the gastrointestinal tract, and subsequently H. pylori adherence on the cell lines, and may contribute to resistance to drug therapy.

    Matched MeSH terms: Esomeprazole/pharmacology
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