ArticleWorld journal of gastroenterology2009
Mitigation of indomethacin-induced gastric mucosal lesions by a potent specific type V phosphodiesterase inhibitor.
Article in World journal of gastroenterology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 15 citations in OpenAlex.
- Tadalafil-Loaded Limonene-Based Orodispersible Tablets: Formulation, in vitro Characterization and in vivo Appraisal of Gastroprotective Activity.International journal of nanomedicine · 2020Article
- Microcirculatory effects of sildenafil in experimental testicular torsion in rats.World journal of urology · 2018Article
- Stress-related mucosal disease in the critically ill patient.Nature reviews. Gastroenterology & hepatology · 2015Review
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Authors and funding
11 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
aimTo investigate the gastroprotective effect of vardenafil against indomethacin-induced gastric damage.
methodsForty-eight female Wistar albino rats were randomly divided into 6 groups. Group 1 received saline only. Group 2 (indomethacin) received indomethacin. Rats in group 3 and 4 were pretreated with different doses of famotidine. Group 5 and 6 were pretreated with different doses of vardenafil. Rats in groups 3 to 6 received 25 mg/kg indomethacin 30 min after pretreatment. The animals were sacrificed 6 h later and their stomachs were opened. Gastric lesions were counted and measured. The stomach of each animal was divided in two parts for histopathological examinations and nitric oxide (NO) and malondialdehyde (MDA) assays, respectively.
resultsThere were no gastric mucosal lesion in the saline group but all rats in the indomethacin group had gastric mucosal ulcerations (ulcer count; 6.25 +/- 3.49, and mean ulcer area; 21.00 +/- 12.35). Ulcer counts were diminished with famotidine 5 mg/kg (4.12 +/- 2.47, P > 0.05), 20 mg/kg (2.37 +/- 4.43, P < 0.05), vardenafil 2 mg/kg (4.37 +/- 3.06), and vardenafil 10 mg/kg (1.25 +/- 1.38, P < 0.05) compared to the indomethacin group. Gastric mucosal lesion areas were diminished with famotidine 5 mg/kg (8.62 +/- 2.97, P < 0.001) , famotidine 20 mg/kg (0.94 +/- 2.06, P < 0.001), vardenafil 2 mg/kg (6.62 +/- 5.87, P < 0.001), and vardenafil 10 mg/kg (0.75 +/- 0.88, P < 0.001) compared to the indomethacin group. MDA levels were significantly higher in indomethacin group (28.48 +/- 14.51), compared to the famotidine 5 mg/kg (6,21 +/- 1.88, P < 0.05), famotidine 20 mg/kg (5.88 +/- 1.60. P < 0.05), vardenafil 2 mg/kg (15.87 +/- 3.93, P < 0.05), and vardenafil 10 mg/kg (10.97 +/- 4.50, P < 0.05). NO concentration in gastric tissues of the famotidine groups were significantly increased (P < 0.05), but the NO increases in the vardenafil groups were not statistically significant. Histopathology revealed diminished gastric damage for pretreatment groups compared to the indomethacin group (P < 0.05).
conclusionVardenafil affords a significant dose-dependent protection against indomethacin induced gastric mucosal lesions in rats.
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