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Nephrotic-range proteinuria and hyperglycemia associated with clonidine therapy
The American Journal of Medicine
|March 1, 1986
Summary
Clonidine, when added to metoprolol for hypertension, may cause persistent hyperglycemia and diabetes. This suggests the two drugs might interact to suppress insulin secretion, leading to glucose intolerance in patients.
Area of Science:
- Endocrinology
- Pharmacology
- Nephrology
Background:
- A 68-year-old patient with a three-year history of stable antihypertensive treatment (metoprolol) experienced new-onset metabolic abnormalities.
- Clonidine was added to the patient's regimen, leading to the development of glycosuria, hyperglycemia, and nephrotic-range proteinuria.
Observation:
- The patient subsequently developed glucose intolerance with fasting hyperglycemia.
- Previous reports indicate clonidine can cause transient impairment of glucose tolerance.
Findings:
- This case presents persistent diabetes in a previously normoglycemic individual after clonidine initiation.
- The findings suggest a potential additive effect of clonidine and metoprolol in suppressing endogenous insulin secretion.
Implications:
- This case highlights a potential drug interaction between clonidine and metoprolol affecting glucose metabolism.
- Further research is warranted to explore the combined effects of these antihypertensives on insulin secretion and glucose homeostasis.