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

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

Status
Completed
Phases
Early Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05256069
Enrollment
31
Registered
2022-02-25
Start date
2023-04-26
Completion date
2025-07-31
Last updated
2025-09-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vasodilation, Hypoxia

Brief summary

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

Interventions

Participants will receive a β-blockade (propranolol pill, 1 mg/kg dosed based on participant weight).

DRUGPlacebo

Participants will receive a placebo in pill form.

Sponsors

American Heart Association
CollaboratorOTHER
University of Missouri-Columbia
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 45 Years
Healthy volunteers
Yes

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

Design outcomes

Primary

MeasureTime frameDescription
Forearm Blood FlowChange from baseline to 5 minutesMeasured with venous occlusion plethysmography (mL/dL/min)

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 6, 2026