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The association of elective hormone therapy with changes in lipids among glucose intolerant postmenopausal women in the diabetes prevention program.


ABSTRACT:

Objective

It is unclear how lipids change in response to lifestyle modification or metformin among postmenopausal glucose intolerant women using and not using hormone therapy (HT). We examined the one-year changes in lipids among postmenopausal, prediabetic women in the Diabetes Prevention Program (DPP), and whether changes were mediated by sex hormones.

Materials/methods

We performed a secondary analysis of a randomized controlled trial of 342 women who used HT at baseline and year 1 and 382 women who did not use HT at either time point. Interventions included intensive lifestyle (ILS) with goals of weight reduction of at least 7% of initial weight and 150 minutes per week of moderate intensity exercise, or metformin or placebo administered 850 mg up to twice a day. Women were not randomized to HT. Main outcome measures were changes between baseline and study year 1 in low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), and triglycerides.

Results

Compared to placebo, both ILS and metformin significantly reduced LDL-C and raised HDL-C among HT users, changes partially explained by change in estradiol and testosterone but independent of changes in waist circumference and 1/fasting insulin. In contrast, DPP interventions had no effect on LDL-C and HDL-C among non-HT users. ILS significantly lowered triglycerides among non-users but did not significantly change triglycerides among HT users. Metformin did not significantly change triglycerides among non-users but increased triglycerides among HT users.

Conclusions

The beneficial effects of ILS and metformin on lowering LDL-C and raising HDL-C differ depending upon concurrent HT use.

SUBMITTER: Golden SH 

PROVIDER: S-EPMC3755098 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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The association of elective hormone therapy with changes in lipids among glucose intolerant postmenopausal women in the diabetes prevention program.

Golden Sherita Hill SH   Kim Catherine C   Barrett-Connor Elizabeth E   Nan Bin B   Kong Shengchun S   Goldberg Ronald R  

Metabolism: clinical and experimental 20130506 9


<h4>Objective</h4>It is unclear how lipids change in response to lifestyle modification or metformin among postmenopausal glucose intolerant women using and not using hormone therapy (HT). We examined the one-year changes in lipids among postmenopausal, prediabetic women in the Diabetes Prevention Program (DPP), and whether changes were mediated by sex hormones.<h4>Materials/methods</h4>We performed a secondary analysis of a randomized controlled trial of 342 women who used HT at baseline and ye  ...[more]

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