Plasma levels of cholesterol, HDL cholesterol (HDL chol), LDL cholesterol (LDL chol), triglycerides, Al apoprotein and B apoprotein were studied in 73 patients receiving 500 mg aminoglutethimide (AG)/day and 40 mg hydrocortisone/day for advanced breast cancer. These dosages were done before treatment and then repeated during AG therapy. When all patients were considered together, a significant increase of cholesterol, HDL chol, LDL chol and Al apoprotein was noted. If one considers two groups of patients: group A (where cholesterol and triglycerides plasma levels were normal before treatment) and group B (where cholesterol and/or triglycerides plasma levels were high before treatment), it appears that variations differ in both groups. In group A patients we found an increase in cholesterol, chol LDL, B apoprotein and to a lesser extent Al apoprotein plasma levels. In group B patients there was an increase in cholesterol, HDL chol and Al apoprotein plasma levels.
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