Aims/hypothesis. Our aim was to investigate the effect of long-term administration of raloxifene, a selective estrogen receptor modulator, on insulin sensitivity, glucose tolerance and plasma lipid concentrations in a group of postmenopausal women. Methods. A total of 24 women with postmenopausal osteoporosis were consecutively enrolled and randomly assigned to take raloxifene, 60 mg/day for 12 months or placebo. At baseline and after 6 and 12 months, in each subject insulin sensitivity (M-index) was assessed by means of an euglycaemic hyperinsulinaemic clamp. Plasma concentrations of total cholesterol, triglycerides and HDL-cholesterol were also measured and glucose tolerance was evaluated. Results. In the raloxifene-treated group, the M index decreased after 6 and 12 months with respect to the placebo group (-21%, p=0.042 and -23%, p=0.018, respectively). Neither fasting plasma glucose nor glucose tolerance changed in the raloxifene-treated group, compared to the placebo group. Low density lipoprotein cholesterol concentrations decreased at 12 months (-13%, p=0.047). Conclusion/interpretation. A long-term treatment with raloxifene in osteoporotic, otherwise healthy post-menopausal women can reduce insulin sensitivity without affecting glucose tolerance

Effects of a long-term treatment with raloxifene on insulin sensitivity in postmenopausal women

GAUDIO, AGOSTINO;
2004-01-01

Abstract

Aims/hypothesis. Our aim was to investigate the effect of long-term administration of raloxifene, a selective estrogen receptor modulator, on insulin sensitivity, glucose tolerance and plasma lipid concentrations in a group of postmenopausal women. Methods. A total of 24 women with postmenopausal osteoporosis were consecutively enrolled and randomly assigned to take raloxifene, 60 mg/day for 12 months or placebo. At baseline and after 6 and 12 months, in each subject insulin sensitivity (M-index) was assessed by means of an euglycaemic hyperinsulinaemic clamp. Plasma concentrations of total cholesterol, triglycerides and HDL-cholesterol were also measured and glucose tolerance was evaluated. Results. In the raloxifene-treated group, the M index decreased after 6 and 12 months with respect to the placebo group (-21%, p=0.042 and -23%, p=0.018, respectively). Neither fasting plasma glucose nor glucose tolerance changed in the raloxifene-treated group, compared to the placebo group. Low density lipoprotein cholesterol concentrations decreased at 12 months (-13%, p=0.047). Conclusion/interpretation. A long-term treatment with raloxifene in osteoporotic, otherwise healthy post-menopausal women can reduce insulin sensitivity without affecting glucose tolerance
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/25356
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