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Autonomic Regulation of Blood Pressure in Premature and Early Menopausal Women

Recruitingn/aAges 35 Years - 70 YearsFemaleUniversity of Minnesota
NCT04439370 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This is a cross-sectional study in which the investigators will determine the impact of premature/early menopause on MSNA, BP and baroreflex sensitivity in younger (≤49 yr old) and older (≥50 yr old) women. Specifically, aim one will determine mechanisms driving autonomic dysregulation of BP in premature and early menopausal women and aim two will determine mechanisms driving autonomic dysregulation of BP in older menopausal women. The study design outlined below will permit testing of aim one and aim two.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Aged 35-49 or 50-70 years of age who experienced premature (\<40) or early (≤45) menopause * Premenopausal 35-49 years of age * Typical-age menopause (i.e., after 45 years of age), who are between 50-70 years old * Menopause will be confirmed by subject report of amenorrhea for 12 months and serum FSH of \>30 mIU/mL Exclusion Criteria: * Current nicotine/tobacco use within the past six months * Are diabetic or asthmatic * Have diagnosed significant carotid stenosis * Have a history of significant autonomic dysfunction, heart disease, respiratory disease or a severe neurologic condition such as stroke or traumatic brain injury. * Have existing metabolic or endocrine abnormities * Take any heart/blood pressure medications that are determined to interfere with study outcomes * IF the participant is premenopausal AND currently taking OC or other exogenous steroids that are determined to interfere with study outcomes * Females who classify as having early or premature menopause AND are not willing to discontinue OC or MHT in order to complete the study * Are pregnant or breastfeeding
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What it tests

  • Microneurography to measure muscle sympathetic nerve activity (MSNA)
  • Baroreflex sensitivity testing
  • Sympathoexcitatory Maneuvers
  • Blood tests
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Where

1 site
University of Minnesota
Minneapolis, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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