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  • Title: Postmenopausal dehydroepiandrosterone administration increases free insulin-like growth factor-I and decreases high-density lipoprotein: a six-month trial.
    Author: Casson PR, Santoro N, Elkind-Hirsch K, Carson SA, Hornsby PJ, Abraham G, Buster JE.
    Journal: Fertil Steril; 1998 Jul; 70(1):107-10. PubMed ID: 9660430.
    Abstract:
    OBJECTIVE: To determine the effect of administering 6 months of oral postmenopausal DHEA therapy on serum DHEA, DHEAS, and T levels and on physiologic endpoints including lipoproteins and insulin-like growth factor-I (IGF-I). DESIGN: Randomized, double-blind, parallel trial. SETTING: Academic referral practice. PATIENT(S): Thirteen normal-weight or overweight, healthy, nonsmoking, postmenopausal women. INTERVENTION(S): Administration of oral micronized DHEA (25 mg/d). MAIN OUTCOME MEASURE(S): Monthly fasting 23 hours postdose levels of serum DHEA, DHEAS, T, lipoproteins, IGF-I, IGF binding protein-3 (IGFBP-3), and liver function tests. Morphometric indices by dual-energy x-ray absorptiometry scan (percent body fat; lean body mass), immune indices, and insulin sensitivity. RESULT(S): Levels of DHEA, DHEAS, and T all rose into premenopausal ranges, but after 6 months, levels of DHEA and T did not differ from baseline or placebo. At 3 months, the ratio of IGF-I to IGFBP-3 rose by 36.1% +/- 12.7%, but it fell to placebo values by 6 months. High-density lipoprotein and apolipoprotein A1 levels declined. CONCLUSION(S): Patients appeared to tolerate 6 months of DHEA therapy well. Given the small study size, no statistically significant differences in morphometric indices, immune indices, or insulin-sensitizing properties were observed, but significant attenuation of bioavailability occurred. Supplementation with DHEA increased IGF-I/IGFBP-3 levels at 3 months and decreased high-density lipoprotein and apolipoprotein A1 levels at 6 months.
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