Ex vivo evaluation of degradation rates of metronidazole and olsalazine in distal ileum and in cecum: The impact of prandial state.

Author: GoumasConstantinos, KaratzaEleni, MuensterUwe, ReppasChristos, VertzoniMaria

Paper Details 
Original Abstract of the Article :
PURPOSE: Evaluate ex vivo the bacterial metabolism induced degradation rates of mesalamine (negative control), metronidazole and olsalazine in distal ileum and in cecum. METHODS: The contents of distal ileum and cecum were collected during colonoscopy under anaerobic conditions from twelve healthy ...See full text at original site
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引用元:
https://doi.org/10.1016/j.ijpharm.2017.10.015

データ提供:米国国立医学図書館(NLM)

Degradation Rates of Metronidazole and Olsalazine in the Intestine

This study is like a deep dive into the bustling marketplace of our gut. It explores the degradation rates of two drugs, metronidazole and olsalazine, in different parts of the small intestine: the distal ileum and cecum. The researchers wanted to understand how the bacterial activity in these areas and the presence of food affect the breakdown of these drugs.

Bacterial Metabolism and Degradation Rates

The researchers found that the degradation rates were higher in the cecum compared to the distal ileum, especially when the participants were fasting. This suggests that bacterial activity is greater in the cecum. However, when participants ate a meal, the degradation rates of metronidazole and olsalazine decreased in the cecum.

Implications for Drug Absorption and Efficacy

These results suggest that the timing of meals could influence the absorption and effectiveness of drugs like metronidazole and olsalazine. The researchers also found that mesalamine, a drug used to treat inflammatory bowel disease, remained stable throughout the study, highlighting its resistance to bacterial breakdown.

Dr.Camel's Conclusion

This study, like a caravan navigating the unpredictable desert, offers valuable insights into the complex interplay between gut bacteria, food, and drug metabolism. The findings suggest that the timing of meals can significantly impact the breakdown of certain drugs, which could have implications for their absorption and effectiveness.

Date :
  1. Date Completed 2018-06-28
  2. Date Revised 2018-06-28
Further Info :

Pubmed ID

29030290

DOI: Digital Object Identifier

10.1016/j.ijpharm.2017.10.015

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English

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