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Physical Activity and Metabolic Risk Factors in Postmenopausal Women

12. december 2010 opdateret af: Taipei Medical University WanFang Hospital

Hormonal changes associated with menopause, chronological aging, and lifestyle, especially physical inactivity, may increase the risk of metabolic syndrome in postmenopausal women. Women exhibiting "the metabolic syndrome" have multiple coronary artery disease risk factors, including insulin resistance, hyperlipidemia, and hypertension. This study will be conducted to test the hypotheses: (1) physical activity and physical fitness levels may have effects on individual risk factors of the metabolic syndrome in postmenopausal women; (2) endurance exercise training may have a favorable effect on components of the metabolic risk variables in these women.

In this study, the associations among physical activity (including daily energy expenditure and energy expenditure from moderate to vigorous activity), cardiopulmonary fitness level, and metabolic risk profile of the women will be assessed. The investigators will perform a randomized trial to compare the effects of moderate-intensity aerobic exercise training regimens on metabolic risk factors. Postmenopausal women who exhibit at least one risk factor for metabolic syndrome will be randomized in the exercise group or control groups. Metabolic risk factors (e.g., body mass index, waist-to-hip ratio, glucose, insulin, blood pressure, lipid profile and adiponectin level) will be measured at baseline, and 12 weeks of the study. Differences from baseline to follow-up will be calculated and compared across groups.

Results of this study may help health care providers providing advice to postmenopausal women for life style changes to reduce risk of insulin resistance, coronary heart disease, and diabetes.

Studieoversigt

Status

Ukendt

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

50

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

      • Taipei, Taiwan
        • Rekruttering
        • Taipei Medical University WanFang Hospital
        • Kontakt:

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 64 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Kvinde

Beskrivelse

Inclusion Criteria:

  • have one or more metabolic risk variables as defined by the ATP III (2001)
  • age between 35 and 64 years
  • absence of known heart disease
  • resting BP: 130 < SBP < 160 and 85 < DBP < 100
  • currently physical inactive (< 30 min of physical activity per week)

Exclusion Criteria:

  • None of the participants has a diagnosis of type 2 diabetes, physical illness or disabilities that will limit daily physical activities.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Forsøgsgruppe
In our longitudinal intervention study, all eligible subjects will undergo a physical examination by a physician to rule out obvious secondary causes of hypertension and contraindications to exercise. Randomization will be performed by random member generation. The exercise participants will attend three sessions per week at the facility during the study period. Training intensity is initially set at heart rate equivalent to 60% and progress to 80% of each subject's maximal heart rate reserve for 30 min/day with a frequency of 3 days/wk. Facility-based exercise sessions will consist of treadmill walking.
Aktiv komparator: Kontrolgruppe
In our longitudinal intervention study, all eligible subjects will undergo a physical examination by a physician to rule out obvious secondary causes of hypertension and contraindications to exercise. Randomization will be performed by random member generation. The exercise participants will attend three sessions per week at the facility during the study period. Training intensity is initially set at heart rate equivalent to 60% and progress to 80% of each subject's maximal heart rate reserve for 30 min/day with a frequency of 3 days/wk. Facility-based exercise sessions will consist of treadmill walking.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Postmenopausal women's daily energy expenditure
Tidsramme: 12 week
12 week

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Efterforskere

  • Ledende efterforsker: Jen-Chen Tsai, Taipei Medical University

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. oktober 2010

Primær færdiggørelse (Forventet)

1. oktober 2011

Studieafslutning (Forventet)

1. oktober 2012

Datoer for studieregistrering

Først indsendt

7. december 2010

Først indsendt, der opfyldte QC-kriterier

12. december 2010

Først opslået (Skøn)

14. december 2010

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

14. december 2010

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

12. december 2010

Sidst verificeret

1. december 2010

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 99070

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .