CompletedNot Applicable

Post-exercise Hot Water Immersion to Improve Overnight Blood Pressure

United States20 participantsStarted 2024-07-01

Plain-language summary

The goal of this clinical trial is to test whether putting a participant's legs in a hot bath after exercise improves blood pressure in people with higher blood pressure. . The main questions it aims to answer are: * Whether exercise alone, hot water leg bath alone, or both treatments together cause blood pressure to be lower during sleep. * If there are any changes in heart rhythm or blood vessel health after exercise, hot water leg bath, or the two treatments together that relate to changes in blood pressure. Participants will complete four different trials: * 30 minutes of walking with a 45-minute lukewarm leg bath after * 30 minutes of walking with a 45-minute hot leg bath after * 45 minutes of a hot leg bath with no exercise * A day with no exercise or leg bath Researchers will look at heart rhythm, blood vessels, and blood pressure after each of these trials to see if there are differences, and if exercise and heat together can improve heart health more than exercise or heat alone.

Who can participate

Age range

18 Years – 50 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * resting blood pressure \>120/80 mmHg; measured at screening visit * BMI between 18-39.9 * capable of walking 30 min at a moderate intensity on a treadmill Exclusion Criteria: * diagnosed hypertension * taking antihypertensive medications * history of heat injury or heat illness

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Ambulatory blood pressure

Timeframe: 24 hours post-treatment

Heart Rate Variability

Timeframe: 30-60 min post-treatment

Flow-mediated dilation

Timeframe: 30-60 min post-treatment

Trial details

NCT IDNCT06348225

SponsorProvidence College

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-04-10

View on ClinicalTrials.gov More Elevated Blood Pressure trials