Clinical trials: Thermal Comfort
Heat Stress, Physiological Stress
Influence of Indoor Humidity on Physiological Strain in Older Adults During a Simulated Heat Wave
Laboratory-based studies show that exposure to high humidity can worsen the effects of heat stress in young and older adults by impeding sweat evaporation - the main mechanism by which the human body cools itself.
- Trial name
- NCT06842953
- Testing
- Simulated indoor overheating
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Cesarean Resection, Breastfeeding
Evaluation of the Effect of Active Warming Applied to the Mother During Cesarean Section on Post-Breastfeeding Outcomes: A Randomized Controlled Study
Hypothermia is a complication of cesarean section and a cause of breastfeeding problems. Preventing maternal hypothermia is one of the goals of the enhanced postoperative recovery (ERAS) protocol and is important for the health…
- Conditions
- Cesarean Resection, Breastfeeding, Thermal Comfort
- Trial name
- Active warming (NCT07331168)
- Testing
- active warming, active warming II
- Where
- Turkey (Türkiye)
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Kutahya Health Sciences University
Cold Exposure
The Effects of Cold Adaptation on Skin Blood Flow, Hand Function, and Comfort in Healthy Adults
In cold weather environments, blood flow to the extremities is significantly reduced, which severely impairs hand function and induces thermal discomfort.
- Trial name
- NCT05464758
- Testing
- Repeated cold exposure
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Hyperthermia, Heat; Weather
Protective Cooling Measures to Safeguard Elderly People From Dangerous Summer Heat
With the increasing incidence and severity of extreme heat events accompanying climate change, there is an urgent need for sustainable cooling strategies to protect heat-vulnerable older adults, who are at increased risk of…
- Conditions
- Hyperthermia, Heat; Weather, Aging, Type2 Diabetes
- Trial name
- NCT05274009
- Testing
- No cooling (control), Recommended cooling, Hybrid cooling
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Wearable Technology, Hypothermia
The Effect of Warmed Socks Developed as Wearable Technology on Hypothermia, Thermal Comfort Perception and Shivering
In this study, it is aimed to reveal the effect of the use of heated socks to be developed as wearable technology by providing temperature control on body temperature, comfort perception level and shivering development in healthy…
- Conditions
- Wearable Technology, Hypothermia, Shivering, Thermal Comfort Perception
- Trial name
- NCT06283771
- Testing
- Heated socks to be developed with wearable technology
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Tarsus University
Cold Exposure, Body Temperature Regulation
Hand Cooling With Ice Packs in Healthy Young Men
This randomized, parallel-group study looked at how a standard 15-minute ice pack applied to the back of the hand affects skin temperature and how cold and comfortable the hand feels, compared with a room-temperature water pack.
- Conditions
- Cold Exposure, Body Temperature Regulation, Thermal Comfort Perception
- Trial name
- ICEHAND (NCT07254182)
- Testing
- Ice Pack (Localized Cryotherapy), Thermoneutral Water Pack (Control)
- Where
- Poland
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Poznan University of Physical Education
Foot Diseases, Metatarsalgia
The Effect of a Discharge Sock Model in Comfort: Randomized Controlled Trial
Metatarsalgia is a common set of symptoms in the forefoot, characterized by pain under one or more metatarsal heads. The invention of a utility model, the U202030700, designed by the study's principal investigator aims to protect…
- Conditions
- Foot Diseases, Metatarsalgia, Pain
- Trial name
- NCT04697914
- Testing
- Plantar pressures will be measured in 7 zones using the Footscan® platform following the two-step method. Three plantar pressures measurements were made for each foot.
- Where
- Spain
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Universidad de Extremadura
Resting Heart Rate, Blood Glucose Control
Assessing the Effects of Cool Roofs on Indoor Environments and Health in Niue
Ambient air temperatures in the Pacific have broken record highs in 2024. Solutions are needed to build heat resilience in communities and adapt to increasing heat from climate change.
- Conditions
- Resting Heart Rate, Blood Glucose Control, Depression, Heat-related Symptoms
- Trial name
- REFLECT (NCT06570993)
- Testing
- Cool roof
- Where
- Niue
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Aditi Bunker
Heat Stress, Physiological Stress
Impact of Indoor Overheating on Physiological Strain in Children
Communities worldwide are experiencing increasing heat extremes that challenge the limits of human thermoregulation, particularly among vulnerable populations such as children.
- Conditions
- Heat Stress, Physiological Stress, Cognitive Change
- Trial name
- NCT07261202
- Testing
- Simulated exposure to indoor overheating
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Perioperative Hypothermia, Maternal Hypothermia
Perioperative Forced-Air Warming During Elective Cesarean Delivery Under Spinal Anesthesia
Intraoperative hypothermia is common during cesarean delivery under spinal anesthesia and contributes to maternal discomfort, shivering, and metabolic stress.
- Trial name
- FAM (NCT07757009)
- Testing
- Forced-Air Warming
- Where
- Qatar
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hamad Medical Corporation
Office Desk Ergonomics
Thermal Comfort of Different Desktop Materials
The aim of this study is to test the suitability of different types of desk surfaces. The investigators will test 10 different surfaces (oak-ruff, oak-varnished, oak-oiled, spruce-ruff, spruce-varnished, spruce-oiled…
- Trial name
- Materials (NCT03733366)
- Testing
- Desk surface
- Where
- Slovenia
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Primorska
Cesarean Section Complications, Hypothermia
The Effect of Forced Air Warming During Caseraen Section on Maternal Hypothermia: Randomized Controlled Trial
During the cesarean section; Hypothermia can be seen due to reasons such as anesthesia, premedication drugs, cold operating room environment, exposure of tissues and organs, and use of cold intravenous fluids.
- Trial name
- NCT04667000
- Testing
- Forced Air Warming
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
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
Heat Stress, Physiological Stress
Suitability of the 26 °C Indoor Temperature Upper Limit for Older Adults: Impacts of Clothing and Daily Activity
While an upper limit of 26°C has been shown to be protective for heat-vulnerable older occupants (DOI: 10.1289/EHP11651), this recommendation did not consider the added heat burden associated with increases in internal heat…
- Trial name
- NCT07189507
- Testing
- Simulated indoor temperature upper limit
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Inadvertent Perioperative Hypothermia
Effects of Different Warming Methods in Laparoscopic Cholecystectomy Surgery
Cold gases given during laparoscopic cholecystectomy are the most important cause of hypothermia. However, even surgery alone is an 80% important cause of hypothermia.
- Trial name
- NCT04741815
- Testing
- Forced Air Warming, Peripheral Carbon Fiber Warming
- Where
- Turkey (Türkiye)
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Bozok University
Resting Heart Rate, Blood Glucose Control
Assessing the Effects of Cool Roofs on Indoor Environments and Health in Tavua, Fiji
Ambient air temperatures in Fiji are increasing due to climate change. Solutions are needed to build heat resilience in communities and adapt.
- Conditions
- Resting Heart Rate, Blood Glucose Control, Depression, Heat-related Symptoms
- Trial name
- NCT07592117
- Testing
- Cool roof
- Where
- Fiji
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Aditi Bunker
Anxiety, Nurse-Patient Relations
The Effect of Heating on Thermal Comfort and Anxiety
This study with a randomized, pretest - posttest controlled experimental design was conducted to determine the effects of active and passive heating methods applied in different parts of the perioperative process on thermal…
- Trial name
- NCT04244071
- Testing
- Bair Paws Blanket 81003 and FOC device 87500, routine hospital care
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Selcuk University
Old Age; Debility
Thermal Imaging in Old and Frail in the Community
This study aims to test whether infrared thermal imaging using a non-touch, non-ionising, thermal camera system is feasible and reliable as an independent technique for thermal comfort assessment in older people and frail older…
- Trial name
- NCT03884218
- Testing
- Infra red thermal imaging
- Where
- United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Preoperative Hypothermia
Active Warming During Elective Caesearean Section
During anaesthesia for caesarean section it is common to lose heat and become hypothermic, (<36 degrees C). In order to try and avoid this all women are given warmed intravenous fluid and insulated from cold surfaces.
- Trial name
- NCT02201095
- Testing
- Forced air warming, Conduction warming mattress
- Where
- United Kingdom
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Resting Heart Rate, Blood Glucose Control
Assessing the Effects of Cool Roofs on Indoor Environments and Health in Colima, Mexico
Ambient air temperatures in Mexico have broken record highs in 2024. Solutions are needed to build heat resilience in communities and adapt to increasing heat from climate change.
- Conditions
- Resting Heart Rate, Blood Glucose Control, Depression, Heat-related Symptoms
- Trial name
- REFLECT (NCT06834893)
- Testing
- Cool roof
- Where
- Mexico
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Aditi Bunker