A Cohort Research of Genetic Susceptibility for Common Obesity in Women (CROWN)
12. december 2011 opdateret af: vghtpe user, Taipei Veterans General Hospital, Taiwan
A Cohort Research of Genetic Susceptibility for Common Obesity in Women (CROWN Study)
Not many studies examined genetic determinants of obesity in women.
As pre-menopausal and post-menopausal women appear to have different propensities for fat deposition, genetic loci linked with obesity-related phenotypes might be different by menopausal status.
So far, there is no large scale of genetic study deciphering common obesity focusing on women population to examine the contributions of aging and change in menopausal status to obesity in Taiwan.
The investigators propose this study to compare phenotypic profiles of obesity and cardio-metabolic factors in pre-menopausal and post-menopausal women.
The study will examine the contributions of aging and change in menopausal status to the changes of obesity-related traits during the transition from pre-menopause to post-menopause period, and will evaluate the contribution of genetic susceptibility on body fat deposition among women at different stage of menopause.
Studieoversigt
Status
Ukendt
Betingelser
Detaljeret beskrivelse
Not many studies examined genetic determinants of obesity in women.
As premenopausal and postmenopausal women appear to have different propensities for fat deposition, genetic loci linked with obesity-related phenotypes might be different by menopausal status.
So far, there is no large scale of genetic study deciphering common obesity on women focusing on the interaction between aging and menopause in Taiwan.
The investigators propose this study to compare phenotypic profiles of obesity and cardiometabolic factors in a large group of premenopausal and postmenopausal women.
The study will examine the contributions of aging and menopausal status to the changes of obesity-related traits, and will evaluate the contribution of genetic susceptibility on body fat deposition among women at different stage of menopause.
The investigators plan to recruit two groups of subjects: 600 premenopausal, and 600 postmenopausal women.
Each woman will receive anthropometric and blood pressure measurements, fasting blood sampling for lipids, and an optional 75-g oral glucose tolerance test for insulin resistance.
Dual energy X-ray absorptiometry will also be used for body composition measurements among the study women if they agree to receive this optional examination.
The investigators will collect blood samples for DNA extraction and select several candidate genes to study the associations between susceptible genes and obesity-related traits.
The investigators anticipate that the results generated from the study will provide valuable data to a better understanding of the pathogenesis of common obesity during transition from premenopause to postmenopause in women.
Undersøgelsestype
Observationel
Tilmelding (Forventet)
1200
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
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Taipei, Taiwan, 112
- Rekruttering
- Taipei Veterans General Hospital
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Ledende efterforsker:
- Chii-Min Hwu, MD
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Kontakt:
- Chii-Min Hwu, MD
- Telefonnummer: 8862287516
- E-mail: chhwu@vghtpe.gov.tw
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Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
35 år til 65 år (Voksen, Ældre voksen)
Tager imod sunde frivillige
Ja
Køn, der er berettiget til at studere
Kvinde
Prøveudtagningsmetode
Ikke-sandsynlighedsprøve
Studiebefolkning
The design of the project is a hospital-based case-control study.
We will recruit two study groups: 600 post-menopausal women; 600 premenopausal women.
Beskrivelse
Inclusion Criteria:
- Premenopausal Women Group
- Age: 35 ~ 50 years old
- Subjects have menstrual period
- Subjects are not pregnant
- Subject is willing to sign inform consent
- Postmenopausal Women Group
- Age: 50 ~ 65 years old
- Women who have not menstruated within the last 12 months
- Subject is willing to sign inform consent.
Exclusion Criteria:
- Pregnant women
- Women with known diabetes and fasting plasma glucose (PG) higher than 126 mg/dL
- Women have liver, kidney, heart and neurological diseases, as well as they have history of hyper- and hypothyroidism
- Subject has acute illness in the past 6 months
- Subject has history of alcohol or substance abuse
- Taking concomitant medication including hormone replacement and anti-lipid agents in two weeks
- Women with difficult giving venous blood sample
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
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Premenopausal Women
600 health premenopausal Women
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Postmenopausal women
600 healthy postmenopausal women
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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genetic associations with body-mass index and waist circumference.
Tidsramme: 3 years
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genetic associations with body-mass index and waist circumference.
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3 years
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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genetic associations with body fat composition
Tidsramme: 3 years
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genetic associations with body fat composition, measured by DEXA
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3 years
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genetic associations with the metabolic syndrome
Tidsramme: 3 years
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genetic associations with the metabolic syndrome
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3 years
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Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Chii-Min Hwu, MD, Taipei Veterans General Hospital, Taiwan
Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart
1. september 2011
Primær færdiggørelse (Forventet)
1. juli 2014
Studieafslutning (Forventet)
1. december 2014
Datoer for studieregistrering
Først indsendt
6. december 2011
Først indsendt, der opfyldte QC-kriterier
6. december 2011
Først opslået (Skøn)
8. december 2011
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
14. december 2011
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
12. december 2011
Sidst verificeret
1. december 2011
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 2011-06-013GA
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