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Vol 82, No 3 (2011)
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Influence of estradiol administration mode on plasma insulin-like growth factor-I (IGF-I) and its binding proteins 1 and 3 concentration in postmenopausal women treated with norethisterone acetate

Tomasz Milewicz, Józef Krzysiek, Iwona Rogatko, Krystyna Sztefko, Ewa Stochmal, Alicja Hubalewska-Dydejczyk, Robert Jach, Stanisław Radowicki
Ginekol Pol 2011;82(3).

open access

Vol 82, No 3 (2011)
ARTICLES

Abstract

Abstract Aim: The aim of the present work was to assess the influence of estradiol administration mode on the plasma IGF-I, IGFBP-1, IGFBP-3 levels in postmenopausal women treated with norethisterone acetate. Material and methods: 39 women were enrolled into the study. Group A – 14 women received transdermal 17β-estradiol (Oesclim 50 – Fournier-Solvay) combined with oral norethisterone 2.5mg daily (Primolut-Nor – Schering), Group B – 10 women on oral 2mg 17β-estradiol combined with oral 1 mg daily norethisterone (Kliogest – Novo-Nordisk). Control group (group C) consisted of 15 postmenopausal women who received no treatment. Basic plasma FSH, estradiol and total IGF-I, IGFBP-1 as well as IGFBP-3 levels were measured initially and at the 52nd week of the study. Results: The mean plasma FSH level was reduced and mean plasma estradiol level was increased in groups A and B during hormone therapy. Mean plasma levels of total IGF-I, IGFBP-1, IGFBP-3 as well as IGFBP-3/IGF-I ratio did not changed significantly during 52 weeks of observation in groups A, B and C. The comparison of plasma IGF-I, IGFBP-1, IGFBP-3 between groups at the initial visit and after 52 weeks showed the lowest concentration f IGBP-3 in group B. Other parameters showed no differences among the three groups. Conclusion: Mode of administration of estradiol did not influenced the plasma levels of IGF-I, IGFBP-1, IGFBP-3 in postmenopausal women treated with norethisterone acetate.

Abstract

Abstract Aim: The aim of the present work was to assess the influence of estradiol administration mode on the plasma IGF-I, IGFBP-1, IGFBP-3 levels in postmenopausal women treated with norethisterone acetate. Material and methods: 39 women were enrolled into the study. Group A – 14 women received transdermal 17β-estradiol (Oesclim 50 – Fournier-Solvay) combined with oral norethisterone 2.5mg daily (Primolut-Nor – Schering), Group B – 10 women on oral 2mg 17β-estradiol combined with oral 1 mg daily norethisterone (Kliogest – Novo-Nordisk). Control group (group C) consisted of 15 postmenopausal women who received no treatment. Basic plasma FSH, estradiol and total IGF-I, IGFBP-1 as well as IGFBP-3 levels were measured initially and at the 52nd week of the study. Results: The mean plasma FSH level was reduced and mean plasma estradiol level was increased in groups A and B during hormone therapy. Mean plasma levels of total IGF-I, IGFBP-1, IGFBP-3 as well as IGFBP-3/IGF-I ratio did not changed significantly during 52 weeks of observation in groups A, B and C. The comparison of plasma IGF-I, IGFBP-1, IGFBP-3 between groups at the initial visit and after 52 weeks showed the lowest concentration f IGBP-3 in group B. Other parameters showed no differences among the three groups. Conclusion: Mode of administration of estradiol did not influenced the plasma levels of IGF-I, IGFBP-1, IGFBP-3 in postmenopausal women treated with norethisterone acetate.

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Keywords

IGF-I, IGFBP-3, IGFBP-1, estradiol, norethisterone

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Title

Influence of estradiol administration mode on plasma insulin-like growth factor-I (IGF-I) and its binding proteins 1 and 3 concentration in postmenopausal women treated with norethisterone acetate

Journal

Ginekologia Polska

Issue

Vol 82, No 3 (2011)

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445

Article views/downloads

1153

Bibliographic record

Ginekol Pol 2011;82(3).

Keywords

IGF-I
IGFBP-3
IGFBP-1
estradiol
norethisterone

Authors

Tomasz Milewicz
Józef Krzysiek
Iwona Rogatko
Krystyna Sztefko
Ewa Stochmal
Alicja Hubalewska-Dydejczyk
Robert Jach
Stanisław Radowicki

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