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Sex-related Differences in Sympathetic Vascular Transduction in the Setting of Hypoxemia

Early Phase 1
Recruiting
Conditions
Hypoxia
Vasodilation
Interventions
Registration Number
NCT05256069
Lead Sponsor
University of Missouri-Columbia
Brief Summary

The purpose of this project is to identify sex-related differences in the effect of hypoxia on sympathetic vascular transduction.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
35
Inclusion Criteria
  • healthy adult men and women;
  • 18-45 years of age;
  • BMI 18-30 kg/m2;
  • non-pregnant/non-breastfeeding;
  • non-nicotine users;
Exclusion Criteria
  • Pregnancy, breastfeeding, hormonal contraceptives
  • Diagnosed sleep apnea
  • Current smoking/Nicotine use/drug use
  • Nerve/neurologic disease
  • Cardiovascular, hepatic, renal, respiratory disease
  • Blood pressure ≥140/90 mmHg
  • Diabetes, Polycystic ovarian syndrome
  • Communication barriers
  • Prescription medications
  • Recent COVID-19 diagnosis with symptoms

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Hypoxia ExposurePropranolol PillMen and women will be exposed to isocapnic hypoxia. Participants will wear a mask and systemic oxygen levels will be titrated to attain hypoxemia as assessed by pulse oximetry.
Hypoxia ExposurePlaceboMen and women will be exposed to isocapnic hypoxia. Participants will wear a mask and systemic oxygen levels will be titrated to attain hypoxemia as assessed by pulse oximetry.
Primary Outcome Measures
NameTimeMethod
Forearm Blood FlowChange from baseline to 5 minutes

Measured with venous occlusion plethysmography (mL/dL/min)

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

University of Missouri-Columbia

🇺🇸

Columbia, Missouri, United States

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