Clinical trials: Thermoregulation
Body Temperature Changes, Heat Exposure
Preparing for Heat Waves - Enhancing Human Thermophysiological Resilience
As the ongoing progression of climate change exposes individuals to elevated temperatures and an escalating frequency of extreme heat events, the risk of more intense and prolonged heat waves raises significant concerns for…
- Conditions
- Body Temperature Changes, Heat Exposure, Heat Stress, Hyperthermia
- Trial name
- Prep4heat (NCT06389604)
- Testing
- Heat acclimation
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Body Temperature Regulation
Non-invasive Sensor for Core Temperature Measurement
Soldiers are required to perform and maintain alertness in difficult environmental conditions. The sensor examined in this trail may indicate body core temperature elevation during exertion.
- Trial name
- Drager (NCT02017184)
- Testing
- Noninvasive core temperature thermistor
- Where
- Israel
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Obesity, Normal Physiology
Energy Expenditure Responses to Different Temperatures
Background: The way that the body burns calories is known as energy expenditure. Some studies show that when we are cold, we burn more calories to keep our bodies warm.
- Trial name
- NCT01568671
- Testing
- Room temperatures
- Where
- United States
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Body Temperature Changes, Heat Stress
Progressive Heat Exposure and Physiological Strain
Occupational heat-stress guidelines are commonly based on the level of environmental heat exposure and are largely derived from studies conducted under constant environmental conditions.
- Conditions
- Body Temperature Changes, Heat Stress, Heat Exposure, Heat Fatigue
- Trial name
- NCT07847437
- Testing
- Constant Heat Exposure, Progressively Increasing Heat Exposure
- Where
- Canada
- Volunteers
- 14 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
Chilblains, Perniosis
Assessment of Vasomotion of People With Idiopathic Chilblains
Chilblains, also known as perniosis, is a non-freezing cold injury causing painful inflammatory skin lesions. Chilblains typically affect the dorsal feet or hands, causing inflammatory skin lesions that are often painful, and…
- Conditions
- Chilblains, Perniosis, Thermoregulation
- Trial name
- NCT06237517
- Testing
- Assessment of Vasomotion of People With Idiopathic Chilblains
- Where
- Greece
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Thessaly
Spinal Cord Injuries
A Novel Cooling Vest to Protect Persons With SCI From Hyperthermia
Persons with higher levels of spinal cord injury (above the 6th thoracic vertebrae: Hi-SCI) are unable to maintain their core body temperature (Tcore) within the normal range (97.5-99.7 °F) when exposed to warm environments.
- Trial name
- NCT05441449
- Testing
- Cooling Vest
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Trauma Injury, Hypothermia
Study to Actively Warm Trauma Patients-2
Massively bleeding trauma patients have higher odds of mortality, increased hospital length of stay, and increased need for transfusion if they become hypothermic.
- Conditions
- Trauma Injury, Hypothermia, Massive Hemorrhage
- Trial name
- STAYWARM-2 (NCT06322186)
- Testing
- Ready-Heat Chemical Heating Blankets, Warmed blankets or FAWB
- Volunteers
- 74 people
- Sponsor
- Sunnybrook Health Sciences Centre
Shivering, Hypothermia
Effect of Preoperative Intranasal Dexmedetomidine on Incidence of Intraoperative Shivering in Patients Undergoing Cesarean Section Under Spinal Anesthesia
Shivering is a common and distressing complication occurring in 40% to 60% of women undergoing cesarean section under spinal anesthesia.
- Conditions
- Shivering, Hypothermia, Cesarean Section, Spinal Anaesthesia
- Trial name
- NCT07855536
- Testing
- Dexmedetomidine, Meperidine, Normal Saline 0.9%
- Volunteers
- 99 people
- Sponsor
- Assiut University
Nursing Care
Thermoregulation in the Preterm Infant
The purpose of this study is to compare the response of temperature adaptation in preterm infant using the polyethylene wrap with and without previous drying.
- Trial name
- NCT01236599
- Testing
- Polyethylene for thermoregulation in the preterm infant
- Where
- Mexico
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Instituto Mexicano del Seguro Social
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)
Running, Physical Conditioning, Human
Effect of Glycerol Hyperhydration on Running Economy of Long-distance Runners
The aim of this study was to evaluate the effects of hyperhydration with glycerol on running economy (RE) in trained runners. The main questions sought to be answered are: 1.
- Trial name
- GHLDR (NCT06818253)
- Testing
- The Effect of Glycerol Supplements
- Where
- Mexico
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Iberoamerican Institute of Sports Science and Human Movement
Hypothermia
Effectiveness of Nefopam for Thermoregulation During Surgery
Nefopam may help blunt thermoregulatory defenses, thus facilitating induction of therapeutic hypothermia
- Trial name
- NCT03122665
- Testing
- Nefopam Low dose, Nefopam High dose
- Where
- Switzerland
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
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
Microcirculation, Thermoregulation
Impact of Active Thermoregulation on the Microcirculation of Free Flaps
This study evaluates the impact of active thermoregulation on free flap microcirculation following free flap transfer. Thermoregulation is performed by passive warming, active warming (water circulation based device) and active…
- Conditions
- Microcirculation, Thermoregulation, Free Flap
- Trial name
- NCT02466594
- Testing
- Hilotherm Clinic®
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Ulf Dornseifer, MD
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
Hypothermia Due to Cold Environment
Thermoregulation During a 25-km Open Water Race
Open water swimming is a swimming discipline which takes place in outdoor water such as open oceans, lakes, and rivers. Elite swimmers are exposed to hypothermia when swimming in cold water, especially in long duration races…
- Trial name
- THERMO25 (NCT04460339)
- Testing
- Swimming participants in the 25-km
- Where
- France
- Volunteers
- 24 people
- Sponsor
- University Hospital, Caen
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
Infant, Premature, Hypothermia, Newborn
Cardboard Cot in Neonatal Thermoregulation: A Randomized Cross Over Trial
This study will determine whether the efficacy of Mylar-lined cardboard cots is equivalent to traditional incubators in their ability to prevent hypothermia (axillary temperature < 36° C) in preterm neonates <36 6/7 weeks…
- Trial name
- CCot (NCT03344978)
- Testing
- Cardboard Cot Care, Incubator Care
- Sponsor
- University of Alabama at Birmingham
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