Clinical trials: Infrared; Rays, Injury
Alcohol Consumption, Heat Stress
Ethanol Consumption in the Heat
Climate change has significantly increased the earth's average surface temperature and heat waves have been predicted to increase in frequency, intensity and duration.
- Conditions
- Alcohol Consumption, Heat Stress, Age
- Trial name
- NCT06935045
- Testing
- Alcohol (Ethanol)
- Where
- Canada
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Lakehead University
Episiotomy Wound
Comparative Effects of Cryotherapy and Infrared Light on Pain, Redness, and Healing of Episiotomy Wound
The study will be a randomized clinical trial and will be conducted in Bahawalpur Victoria Hospital, Bahawalpur. The subjects (n=24) will be divided into two groups.
- Trial name
- NCT06325176
- Testing
- Cryotherapy, Infrared light therapy
- Where
- Pakistan
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Riphah International University
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
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
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
Aging, Hyperthermia
Cardiovascular Responses to Heat Waves in the Elderly
The purpose of this study is to assess the cardiovascular responses of the elderly to heat wave conditions
- Trial name
- NCT04538144
- Testing
- Hot and Humid Trial, Hot and Dry Trial
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Heat Stress, Physiological Stress
Efficacy of Electric Fans in Children During Heat Waves
Extreme heat exposure is an escalating global public health concern, with climate change driving increases in the frequency, duration, and intensity of heat events.
- Conditions
- Heat Stress, Physiological Stress, Child Development
- Trial name
- NCT07864103
- Testing
- Simulated exposure to indoor overheating without fans, Simulated exposure to indoor overheating with fans
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
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
Wound Heal
Effect of Combined Red and Near Infrared Light-emitting Diode (LED) Therapy on Tissue Regeneration Post Laser Treatment
The purpose of this study is to evaluate the effect of light therapy on wound healing after laser treatment.
- Trial name
- NCT04834817
- Testing
- Celluma POD
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
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
Hyperthermia, Weather; Heat
Mitigating Heat-induced Physiological Strain and Discomfort in Older Adults Via Lower Limb Immersion and Neck Cooling
The incidence and severity of hot weather and extreme heat events (heat waves) is increasing. As such, there is an urgent need to develop heat-alleviation strategies that can provide targeted protection for older adults who are…
- Conditions
- Hyperthermia, Weather; Heat, Heat Stress, Heat Syncope
- Trial name
- NCT05601713
- Testing
- No cooling (control), Lower limb immersion, Lower limb immersion + neck cooling
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
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
Wound Heal, Pain, Postoperative
Dry Heat Versus Sitz Bath On Episiotomy Wound Heating And Pelvic Pain
Objective: To compare the effect of dry heat versus moist heat application on episiotomy wound healing and pain among postnatal mothers.
- Trial name
- Dry_Heat (NCT05186532)
- Testing
- Dry Heat Application, Moist Heat Application
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Hyperthermia, Heat Stress
Efficacy of Ceiling Fans for Mitigating Thermal Strain During Bed Rest 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, Heat Stress, Cooling, Aging
- Trial name
- NCT06142890
- Testing
- No cooling (control), Cooling with ceiling fan
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
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
Heat Stress, Physiological Stress
Physiological Strain in Older Adults During a Simulated Heat Wave
A recent report showed that maintaining indoor temperature at or below 26°C safeguards older, heat vulnerable adults against potentially dangerous increases in thermal and cardiovascular strain during an extreme heat event (PMID…
- Trial name
- NCT06633302
- Testing
- Simulated multi-day heatwave exposure
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Heat Stress, Physiological Stress
Physiological Strain in Young Adults During a Simulated Heat Wave
The likelihood of exposure to overheated indoor environments is increasing as climate change is exacerbating the frequency and severity of hot weather and extreme heat events.
- Trial name
- NCT06618352
- Testing
- Simulated indoor overheating exposure
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Aging, Hyperthermia
Heat Waves and the Elderly - Cooling Modalities
The purpose of this study is to assess how well cooling modalities work in reducing cardiovascular stress of the elderly to heat wave conditions
- Trial name
- NCT05484739
- Testing
- Water Spray, Fan, Water Spray and Fan
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
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
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