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[Experimental study of metoprolol-induced side effects]
1Debreceni Orvostudományi Egyetem Gyógyszertani Intézete.
Acta Pharmaceutica Hungarica
|September 16, 1998
Summary
Metoprolol treatment in rats increased blood glucose and triglyceride levels, potentially causing hyperglycemia and hypertriglyceridemia. This study highlights potential metabolic side effects of this beta-blocker.
Area of Science:
- Pharmacology
- Metabolic studies
Context:
- Assessing drug side effects is crucial in both preclinical and postmarketing phases.
- Metoprolol is a beta1-selective adrenoceptor antagonist used clinically.
Purpose:
- To investigate the effects of metoprolol on carbohydrate and lipid metabolism in male Wistar rats.
- Determine a therapeutic dose of metoprolol that reduces heart rate by 25%.
Summary:
- A therapeutic dose of 10 mg/kg metoprolol was administered to rats for 16 days.
- Metoprolol treatment led to increased blood glucose levels and decreased glycogen content.
- Elevated triglyceride levels and decreased HDL-cholesterol were observed post-treatment, indicating secondary hypertriglyceridemia.
Impact:
- The findings suggest that metoprolol, at therapeutic doses, may induce hyperglycemia and hypertriglyceridemia as adverse effects.
- This research contributes to understanding the metabolic risks associated with metoprolol use.