Clinical trials: Body Temperature Regulation
Impaired Thermoregulation
Effects of Pre-Exercise Nutrition Strategies on Body Temperature and Thermoregulatory Responses
Carbohydrate ingestion, in particular fructose, has been shown in a handful of previous studies to elicit a thermic effect and increase core body temperature after ingestion.
- Trial name
- NCT02814188
- Testing
- Carbohydrate Beverage
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Old Dominion University
Body Temperature Changes, Heat Stress
Consecutive Occupational Heat Exposure With and Without Overnight Cooling
Extreme heat events are becoming more frequent, intense, and prolonged, increasing the risk of heat-related illness among workers exposed to hot environments.
- Conditions
- Body Temperature Changes, Heat Stress, Heat Exposure, Heat Fatigue
- Trial name
- NCT07656519
- Testing
- Simulated occupational heat exposure with recovery at recommended indoor temperature limit, Simulated occupational heat exposure with recovery in an overheated indoor environment
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Core Temperature, Heat Stress, Exertional
Initial Stay Times and Heat Mitigation Controls for Uncompensable Occupational Heat Stress - Part I
Workplaces rely on upper heat stress limits provided by the American Conference of Governmental Industrial Hygienists (ACGIH) to manage the health and safety of workers in hot environments.
- Conditions
- Core Temperature, Heat Stress, Exertional, Heat Fatigue, Exercise
- Trial name
- NCT05847712
- Testing
- Simulated work in the heat
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Obesity
Metabolism and Thyroid Hormone Changes During Exposure to Cold Temperatures
This study will examine how body metabolism adjusts to small changes in environmental temperature and how it may be related to weight loss.
- Trial name
- NCT00521729
- Testing
- Exposure to Cold Temperature
- Where
- United States
- Volunteers
- 160 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
COPD, Aging
Heat Waves and the Elderly With COPD
The purpose of this study is to investigate thermoregulatory responses in older individuals with COPD.
- Conditions
- COPD, Aging, Hyperthermia
- Trial name
- NCT06295523
- Testing
- Water Spray, Control
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- University of Texas Southwestern Medical Center
Body Temperature Regulation
Maternal Body Temperature in Caesarean Section
The effect of maternal body temperature on the postpartum process and the newborn in innatal cesarean section is an important issue that needs to be emphasized.
- Trial name
- NCT06725407
- Testing
- Cesarean section
- Where
- Turkey (Türkiye)
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
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
Core Temperature, Heat Stress, Exertional
Initial Stay Times and Heat Mitigation Controls for Uncompensable Occupational Heat Stress - Part II
Workplaces rely on upper heat stress limits provided by the American Conference of Governmental Industrial Hygienists (ACGIH) to manage the health and safety of workers in hot environments.
- Conditions
- Core Temperature, Heat Stress, Exertional, Heat Fatigue, Exercise
- Trial name
- NCT06543719
- Testing
- Simulated work in the heat
- Where
- Canada
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Thermoregulation
Does Mirabegron Increase the Body Heat Generated by the Nervous System
Acute mirabegron administration has been shown to increase brown fat activity in humans. Long-term mirabegron administration upregulates brown fat, and appears to improve glucose regulation, and change skeletal muscle phenotype.
- Trial name
- NCT06011265
- Testing
- Myrbetriq 25Mg Extended-Release Tablet
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Christopher Bell
Cardiac Surgery, Post-operative Cognitive Dysfunction
Active Temperature Management After Cardiac Surgery and Its Effect on Postoperative Cognitive Dysfunction
This study will assess the effect of active postoperative temperature management and its effect on the cognitive function in patients following coronary artery bypass graft (CABG) surgery to determine if active postoperative…
- Conditions
- Cardiac Surgery, Post-operative Cognitive Dysfunction, Fever
- Trial name
- NCT03947671
- Testing
- Rapr Rounds Hyper/Hypothermia Wraps, Acetaminophen
- Where
- United States
- Sponsor
- Virginia Commonwealth University
Aging
Identification of Critical Thermal Environments for Aged Adults
This study evaluates critical environmental limits (temperature and humidity) above which older adults are unable to effectively thermoregulate.
- Trial name
- NCT04284397
- Testing
- Low dose ASA, Control
- Where
- United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Penn State University
Temperature Change, Body
The Validity of CORE Sensor in Heat Training for Male and Female Endurance Athletes
This study is investigating the efficacy of CORE™ devices in calculating core body temperature in athletes under varying environmental conditions.
- Trial name
- CORE (NCT05692947)
- Testing
- Core body temperature device
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Oregon
Critical Illness, Fever
Safety and Efficacy of Acetaminophen in the Intensive Care Unit.
The intensive care unit (ICU) team needs to know what effects acetaminophen has in critically ill patients. Acetaminophen is better known as Tylenol. It is the drug given to reduce fever.
- Trial name
- SEA-ICU (NCT02280239)
- Testing
- Acetaminophen
- Where
- Canada
- Volunteers
- 10 people
- Sponsor
- University of British Columbia
Caffeine, Thermoregulation
The Effects of Caffeine on Exercise Physiology and Time-trial Performance in a Hot Environment
Maintaining a stable core temperature is vital for physiological function; yet, exercise in heat can be problematic, and there is risk of exertional heat-related illness (Flouris \& Schlader, 2015; Leyk et al., 2019; Périard et…
- Trial name
- NCT07129200
- Testing
- Hot environment, Thermoneutral environment
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- St. Mary's University, Twickenham
Body Temperature Regulation
Physiological and Molecular Influences of Astaxanthin Supplementation on Heat Strain in Humans
Exposure to heat stress can compromise the physiological and cognitive function and be life threatening, particularly in a military setting.
- Trial name
- Astaxanthin (NCT02088242)
- Testing
- Astaxanthin
- Where
- Israel
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Lower Limb Amputation Below Knee, Diabetes (DM)
Skin Temperature Perception and Prosthetic Thermoregulation
To protect against excessive body temperatures, local thermoregulatory mechanisms include temperature sensory nerves (responsive to warm or cool stimuli) and vasomotors (muscles that constrict or dilate blood vessels).
- Conditions
- Lower Limb Amputation Below Knee, Diabetes (DM), Skin Temperature Change, Vascular Reactivity
- Trial name
- NCT07215442
- Testing
- Warming stimulus starting at 30 C initial temperature, Warming stimulus starting at 32 C initial temperature, Warming stimulus starting at 34 C initial temperature
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- VA Puget Sound Health Care System
Hyperthermia, Heat Exposure
Hot Water Immersion as a Heat Acclimation Strategy in Older Adults
Aging is associated with impairments in heat loss responses of skin blood flow and sweating leading to reductions in whole-body heat loss.
- Conditions
- Hyperthermia, Heat Exposure, Heat Stress, Thermoregulation
- Trial name
- NCT05838612
- Testing
- Heat acclimation
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Heat Stress, Temperature Change, Body
Identifying the Limits of Survivability in Heat-exposed Older Females
Climate change increases extreme heat events, elevating global heat-illness risk. Females have reduced heat loss capacity (~5%) compared to males, driven by differences in skin blood flow and sweating responses.
- Conditions
- Heat Stress, Temperature Change, Body, Aging, Thermoregulation
- Trial name
- NCT07032493
- Testing
- Humidity-Ramp Protocol, Above-inflection fixed-condition exposure (5%), Below-inflection fixed-condition exposure (5%)
- Where
- 2 sites in Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Healthy
The Effects of Pre-Loaded Betaine Supplementation on Thermoregulation and Exercise Metabolism in the Heat
This will be a double blind, placebo-controlled, randomized, counterbalanced, crossover study designed to assess the impact of preloaded betaine supplementation on thermoregulation and exercise metabolism in the heat.
- Trial name
- NCT04585295
- Testing
- Betaine, BCAA Big 6
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Florida State University
Cystic Fibrosis
Sweat Response, Sweat Composition and Thermoregulatory Response to Exercise in Heat in Adults With Cystic Fibrosis on Modulator Therapy.
Cystic fibrosis (CF) is a common inherited condition in the Caucasian population resulting in poor function and/or production of the CF transmembrane conductance regulator (CFTR) protein.
- Trial name
- Sweat-CF (NCT05896488)
- Where
- United Kingdom
- Volunteers
- 18 people
- Sponsor
- University of Portsmouth