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Abstract Title:

Co-administration of quercetin with pantoprazole sodium prevents NSAID-induced severe gastroenteropathic damage efficiently: Evidence from a preclinical study in rats.

Abstract Source:

Exp Toxicol Pathol. 2016 Oct 22. Epub 2016 Aug 22. PMID: 27780667

Abstract Author(s):

Devendra Pratap Singh, Swapnil P Borse, Manish Nivsarkar

Article Affiliation:

Devendra Pratap Singh

Abstract:

Management of Nonsteroidal anti-inflammatory drug (NSAID)-induced gastroenteropathy has emerged as a major medical and socioeconomic problem mainly because the highly efficacious gastroprotective drugs i.e. proton pump inhibitors (PPIs) like pantoprazole sodium (PTZ), worsen the NSAID-induced enteropathic damage and lack of approved therapeutic strategies/interventions to prevent this damage. Hence, the primary objective of the current study was to assess whether we can protect the GI mucosa against gastroenteropathic damage caused by diclofenac sodium (DIC) in rats by co-administration of PTZ and quercetin (QCT). Rats were treated twice daily with QCT (35, 50 and 100mgkg(-1) peroral) and/or PTZ (4mgkg(-1)) or vehicle for a total of 10 days. In some experiments, DIC (9mgkg(-1)) was administered orally twice daily for the final 5days of PTZ/QCT+PTZ/vehicle administration. Rats in all the groups were fasted after the last dose on 9th day, but, water was provided ad libitum. 12h after the last dose on 10th day, rats were euthanized and their GI tracts were assessed for haemorrhagic damage, lipid peroxidation, intestinal permeability and GI luminal pH alterations along with haematological and biochemical estimations. The experimental evidences suggested that co-administration of QCT with PTZ significantly attenuated the exacerbation of NSAID-induced enteropathic damage in a dose dependent manner. The combination of PTZ 4mgkg(-1) and QCT at the doses of 50 or 100mgkg(-1) was found to effective in preventing the DIC-induced gastroenteropathy. The present report focuses on the gastroenteroprotective ability of QCT and the mechanisms may be related to its ability to prevent GI blood loss, the lipid peroxidation, intestinal permeability alteration and alteration in GI luminal pH.

Study Type : Animal Study

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