Effects of Tegaserod on Bile Composition in Squirrels
Author Information
Author(s): Mathison Ronald, Shaffer Eldon, Pfannkuche Hans-Juergen, Earnest David
Primary Institution: University of Calgary
Hypothesis
Does tegaserod affect the biliary tract in gallstone disease?
Conclusion
Tegaserod treatment results in increased enterohepatic cycling and lowers cholesterol saturation in the bile of cholesterol-fed animals.
Supporting Evidence
- Tegaserod treatment reversed cholesterol-induced changes in bile composition.
- The enriched cholesterol diet increased cholesterol saturation index by ~50%.
- Tegaserod prevented decreases in bile acid pool size caused by the enriched cholesterol diet.
Takeaway
Tegaserod helps squirrels with high cholesterol diets by improving how their bile works, which can prevent gallstones.
Methodology
Squirrels were fed either a control or enriched cholesterol diet for 28 days and treated with tegaserod or vehicle, measuring bile flow and composition.
Potential Biases
Potential bias due to funding from Novartis Pharma AG.
Limitations
The study was conducted on a specific animal model, which may not fully represent human physiology.
Participant Demographics
Eighty male Richardson ground squirrels were used in the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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