Clinical trials: Heat Stress Disorders
Heat Illness
Exertional Heat Illness: Biomarkers for Prediction and Return to Duty
The investigators goal is to monitor and quantify the differential physiologic and biomarker responses of controls to standardized exercise under thermoneutral and thermally challenged conditions and responses of exertional heat…
- Trial name
- Heat3 (NCT01434979)
- Where
- 2 sites in United States, Israel
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Henry M. Jackson Foundation for the Advancement of Military Medicine
Heart Failure, Hyperthermia
IEEM-Heat and Heart Failure
We will test the hypothesis that increasing skin wetness, and thus evaporative cooling, will attenuate the increase in core body temperature and accompanying cardiac stress during heat wave conditions in individuals with…
- Trial name
- NCT06961929
- Testing
- Control Trial, Water-saturated T-shirt trial, Skin-Wetting Trial
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Physiological Stress
Examination of Textile Solutions for Reducing Physiological Stress
Using protective or combat garments under heavy heat stress conditions, during rest or exertion, may hinder the body's ability to effectively exchange heat with the environment and thereby can lead to heat injuries.
- Trial name
- NCT02442947
- Testing
- clothing type, protective garments of Paul Boye Technologies
- Where
- Israel
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Risk of Heat Stress
Occupational Heat Stress on Workers' Productivity
Workplace heat exposure affects billions of people during their everyday work activities. Occupational heat stress impairs workers' health and capacity to perform manual labour.
- Trial name
- NCT04160728
- Testing
- Work/ rest scenario, Hydration scenario, Clothing scenario
- Where
- Greece
- Volunteers
- 248 people, healthy volunteers welcome
- Sponsor
- Petros Dinas
Heat Illness, Allergic Rhinitis
Over-the-Counter Antihistamines & Heat Stress
Allergic rhinitis (AR) currently affects ~25% of Canadians, and due to factors of climate change, this number is expected to increase over the coming decade.
- Conditions
- Heat Illness, Allergic Rhinitis, Heat Injury, Sudomotor Sympathetic Dysfunction
- Trial name
- NCT06217367
- Testing
- 50 mg Diphenhydramine, 10 mg Loratadine, 5 mg Desloratadine
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Lakehead University
Heat Stress, Pregnancy
Indigenous Nutritional Supplements for Pregnancy to Improve Resilience in Environmental Heat
The purpose of this study is to learn whether a simple, traditional, and balanced meal made from local foods, eaten once a day during pregnancy, can help women in rural Pakistan stay healthier in hot weather and give birth to…
- Conditions
- Heat Stress, Pregnancy, Women of Reproductive Age, Nutrition Status
- Trial name
- INSPIRE (NCT07489664)
- Testing
- Indigenous Balanced Diet Arm
- Where
- Pakistan
- Volunteers
- 292 people, healthy volunteers welcome
- Sponsor
- Aga Khan University
Venous Thromboembolism (VTE), Acute Myocardial Infarction With ST Segment Elevation
Heat Shock Protein 47 in Thrombosis
The goal of this observational study is to learn if the novel biomarker Heat shock protein 47 (HSP47) can be used as a prognostic marker for vascular disease in people with acute venous thromboembolism (VTE), myocardial…
- Conditions
- Venous Thromboembolism (VTE), Acute Myocardial Infarction With ST Segment Elevation, Stroke (in Patients With Atrial Fibrillation)
- Trial name
- NCT06731673
- Where
- 2 sites in Denmark, Germany
- Volunteers
- 340 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Resting Heart Rate, Blood Glucose Control
Assessing the Effects of Cool Roofs on Indoor Environments and Health
Ambient air temperatures in Asian, Latin American, African, and Pacific climate hotspots have broken record highs in 2024, driven by man-made climate change. Solutions are needed to reduce heat exposure in communities.
- Conditions
- Resting Heart Rate, Blood Glucose Control, Depression, Heat-related Symptoms
- Trial name
- REFLECT (NCT06579950)
- Testing
- Cool roof
- Where
- 5 sites in Burkina Faso, Fiji and 3 more
- Volunteers
- 3,200 people, healthy volunteers welcome
- Sponsor
- Aditi Bunker
Hyperthermia, Thermoregulation
Enhancing Heat Resiliency in Older Adults During Indoor Overheating Via Heat Acclimation by Warm Water Immersion
As overheating in buildings is expected to increase as global warming continues, proactive measures to increase heat resiliency in heat-vulnerable older people are needed, especially for those without access to home cooling or…
- Conditions
- Hyperthermia, Thermoregulation, Aging, Heat Acclimation and Thermotolerance
- Trial name
- NCT06670365
- Testing
- Heat acclimation by warm-water immersion
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Body Temperature Changes
Cooling Via Cryogenx Body Cooling Device
The aim of this project is to test the rate of cooling following exercise in the heat utilising the CRYOGENX Cryosuit device i) against passive cooling, and ii) to quantify the rate of cooling and compare this rate with…
- Trial name
- NCT06517147
- Testing
- Cryogenx cooling, Regular cooling
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Brunel University
Heat Stroke, Early Waking
Study on the Establishment of a System for Early Warning and Prognostic Evaluation of Patients With Heat Stroke
Heat stroke is a clinical syndrome with high incidence and high fatality rate in summer. Patients with liver, kidney, and brain damage are prone to secondary MODS, and the prognosis is poor due to high medical costs.
- Conditions
- Heat Stroke, Early Waking, MODS, Proteinosis
- Trial name
- NCT05155358
- Testing
- Peripheral blood test
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital
Heat Stress, Heat Exposure
Validity of Humidity Ramp Protocols for Identifying Limits of Survivability in Heat-exposed Persons
The global populace is at growing risk of heat-related illness due to climate change and accompanying increases in the intensity and regularity of extremely hot temperatures.
- Conditions
- Heat Stress, Heat Exposure, Temperature Change, Body, Temperature; Extreme, Exposure
- Trial name
- NCT05963529
- Testing
- Humidity-ramp protocol, Above-inflection fixed-condition exposure, Below-inflection fixed-condition exposure
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Dehydration, Heat Stress
Implementing an Intervention to Reduce Heat Stress and Chemical Exposures
The investigators are studying the dangers that farmworkers face while working in the fields and at home. The investigators goals are: 1. Measure how much heat and chemicals farmworkers in Imperial County are exposed to.
- Trial name
- NCT06442969
- Testing
- Education and resources provided by community health workers
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- San Diego State University
Reactive Hyperemia, Micro RNA
Effect on Markers of Cardiovascular, Reproductive and Cancer Risk From Firefighting Training
Epidemiological studies based on Danish registries have observed that Danish male firefighters have more cardiovascular disease, infertility diagnose and a trend to increased risk of cancer than other Danish employed males.
- Conditions
- Reactive Hyperemia, Micro RNA, Heart Rate Variability, DNA Strand Breaks
- Trial name
- BIOBRAND3 (NCT05753254)
- Testing
- Firefighting training exercises with no fire, Firefighting training exercises under wood fire, Firefighting training exercises under gas fire
- Where
- 2 sites in Denmark
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- National Research Centre for the Working Environment, Denmark
Aviation, Heat Stress
Changes in Aviators' Body Core Temperature Measurements at F-35
The many complaints that have been expressed by the US aircrew of the F-35 regarding the heat stress in the cockpit raised an obvious concern that, as a result of such heat levels, the aviators' core body temperature may increase…
- Trial name
- NCT03234270
- Testing
- Core temperature measurements
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Israeli Air Force Aeromedical Center
Hyperthermia, Weather; Heat
Efficacy of Electric Fans for Mitigating Thermal Strain in Older Adults During Heat Waves
With the increasing regularity and intensity of hot weather and heat waves, there is an urgent need to develop heat-alleviation strategies able to provide targeted protection for heat-vulnerable older adults.
- Conditions
- Hyperthermia, Weather; Heat, Heat Stress, Aging
- Trial name
- NCT05695079
- Testing
- No cooling (control), Electric fan (low airflow), Electric fan (high airflow)
- Where
- Canada
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Aging, Muscle Weakness
Leg Heat Therapy in Elderly Individuals
This pilot randomized, sham-controlled trial aimed to establish the feasibility and safety of home-based leg HT in community-dwelling older adults and inform the design of a future, larger study.
- Trial name
- NCT05543980
- Testing
- Leg heat therapy device
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Purdue University
Macromastia
PEAK PlasmaBlade 4.0 in Bilateral Breast Reduction
The objective of this clinical study is to evaluate the operative performance of the PEAK PlasmaBlade 4.0 during bilateral breast reduction; to monitor and record post-operative pain, adverse events and skin scarring following…
- Trial name
- PRECISE (NCT00986453)
- Testing
- PEAK PlasmaBlade, Traditional Electrosurgery with scalpel
- Where
- 7 sites in United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Medtronic Surgical Technologies
Heat Illness
Community Health Adaptation & Resilience Mobilization (CHARM) HeatWise
Extreme heat events pose serious health risks, especially for communities with limited access to cooling, transportation, or social support.
- Trial name
- CHARM (NCT07500545)
- Testing
- CHARM HeatWise
- Where
- United States
- Volunteers
- 580 people, healthy volunteers welcome
- Sponsor
- Public Health Institute, California
Risk of Heat Stress
Effect of Aging and Aerobic Fitness Level on Heat Dissipation
In the context of global aging, the health risk factors associated with exercising or working in the heat for aging population are exacerbated by the rising in global surface temperatures.
- Trial name
- NCT04241900
- Testing
- Shuttle run test
- Where
- 2 sites in Greece
- Volunteers
- 431 people, healthy volunteers welcome
- Sponsor
- Petros Dinas