Clinical trials: Weather
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
Climate Change
Atlas:Text Messaging Program With Weather Alerts, Local Resources & Insights for Addressing Climate Change
Climate change is an urgent public health threat, and climate-related health risks disproportionately impact vulnerable populations.
- Trial name
- NCT06995755
- Testing
- atlas
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Pro-Change Behavior Systems
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, Temperature Change, Body
The Impact of Wearing the Hijab on Whole-body Heat Loss During Exercise-heat Stress
The hijab (headscarf and cloak) is a Muslim dress, which covers the head, neck and chest, and conceals the female hair, leaving the face uncovered.
- Trial name
- NCT07174180
- Testing
- Exercise-heat stress with no hijab, Exercise-heat stress with a hijab
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Cardiovascular System, Health
Acute Effects of Meteorological Factors and Air Pollution on Cardiovascular Health
The goal of this observational study is to analyze the acute effects of meteorological factors and air pollution on cardiovascular system. The main question it aims to answer is: 1.
- Trial name
- NCT06663267
- Testing
- NOT
- Where
- China
- Volunteers
- 350,000 people, healthy volunteers welcome
- Sponsor
- The Affiliated Hospital of Hangzhou Normal University
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
Occupational Accidents, Weather
Environmental and Geographic Patterns of Occupational Injuries
This study will determine whether extreme ambient temperatures increase the incidence and severity of occupational injuries in Israel, and we request Helsinki Committee approval to conduct the analysis using de-identified…
- Trial name
- WEATHER-WORK (NCT07750782)
- Testing
- Ambient Weather Exposure
- Where
- Israel
- Volunteers
- 350,000 people
- Sponsor
- Sergio Gabriel Susmallian
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
Hypertensive Urgency, Weather
HYPERTENSIVE CRISIS AND ATMOSPHERIC PRESSURE RELATIONSHIP
relationship between the onset times of symptoms and the regions of patients presenting to the emergency department with hypertensive crisis (systolic ≥180 and/or diastolic ≥110 mmHg) and the fluctuations in atmospheric pressure
- Trial name
- NCT06635603
- Where
- Turkey (Türkiye)
- Volunteers
- 350 people
- Sponsor
- Saglik Bilimleri Universitesi
Hot Weather; Adverse Effect, Kidney Dysfunction
Renal Considerations in the Heat Stress Recommendations
An epidemic of chronic kidney disease is occurring in laborers who undertake physical work outdoors in hot conditions. The reason for this is unknown, but may be related to kidney dysfunction caused by increases in body…
- Conditions
- Hot Weather; Adverse Effect, Kidney Dysfunction, Kidney Injury, Hyperthermia
- Trial name
- Aim1 (NCT04767347)
- Testing
- 23.0°C WBGT - Fixed Work Rate, 25.5°C WBGT - Fixed Work Rate, 27.5°C WBGT - Fixed Work Rate
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Indiana University
Emergency Service, Hospital, Air Pollution
Modelling of Correlation Between Emergency Department Admissions and Location-specific Air Quality and Weather in the Florence Urban Area
The goal of this observational study is to evaluate the impact of primary air pollutants and weather parameters on emergency department (ED) visits in the metropolitan area of Florence.
- Conditions
- Emergency Service, Hospital, Air Pollution, Weather
- Trial name
- NCT06491290
- Testing
- No intervention administered
- Where
- Italy
- Volunteers
- 480,000 people
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
Chronic Disease, Mental Health
Alaska Alliance for Community Engagement Phase II: Partnership for Action Toward Health
The AK ACE-PATH Phase II study aims to pilot and implement a novel intervention, Tools for Arctic Health Promotion (TAHP), to address Alaska Native (AN) community priorities related to local health and community-level resilience.
- Conditions
- Chronic Disease, Mental Health, Caridovascular Disease, Stress
- Trial name
- AK ACE-PATH (NCT07801989)
- Testing
- Tools for Arctic Health Promotion
- Where
- United States
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University of Alaska Fairbanks
Asthma
Testing the Effects of Temperature & Humidity on Children With and Without Asthma in an Environmental Climatic Chamber
The goal of this clinical study is to learn how different temperature and humidity conditions affect breathing, lung function, exercise capacity, symptoms, and other physical responses in children and youth aged 11 to 18 years…
- Trial name
- NCT07864506
- Testing
- Controlled Temperature and Humidity Exposure
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Ontario Institute of Technology
Hot Weather; Adverse Effect, Immobilization, Tonic
Heat Therapy to Prevent Deconditioning During Immobilization
Animal models suggest that heat stress increases protein content and facilitates the recovery of atrophied muscle after an immobilization period, or following a chemically induced muscle injury in rats.
- Trial name
- NCT05021523
- Testing
- Hot ambient conditions exposures, Immobilization
- Where
- Qatar
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Aspetar
Hot Weather; Adverse Effect, Heat Effect
Beat the Heat Boston
The goal of this stepped wedge trial is to assess the practical effects of air conditioners on hot weather impacts among older adults.
- Conditions
- Hot Weather; Adverse Effect, Heat Effect, Heat Stress, Heat Stroke, Heat Exhaustion
- Trial name
- NCT06982339
- Testing
- Air Conditioner, Electricity subsidy
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Harvard School of Public Health (HSPH)
Climate Change, Heat; Weather
Heat Adaptation Through Community-based Approaches and Research at SEACO: Structural and Behavioural Interventions (Heat Care)
The goal of this clinical trial is to learn if structural and behavioral interventions can mitigate the health effects of extreme heat in rural Malaysian communities.
- Conditions
- Climate Change, Heat; Weather, Heat Effect, Heat; Excess
- Trial name
- Heat Care (NCT06744309)
- Testing
- Heat Literacy Intervention, Structural (Cool Roof) Intervention
- Where
- Malaysia
- Volunteers
- 1,110 people, healthy volunteers welcome
- Sponsor
- Monash University Malaysia
Quality of Life
Hot or Cold Beverages in Warm Weather
Some studies have suggested that hot beverages are better for cooling down when body temperature rises. No study has investigated the effect of hot beverages in hot weather on personal well-being compared to cold beverages.
- Trial name
- NCT05900960
- Testing
- Tea
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Herlev Hospital
Hot Weather; Adverse Effect, Healthy
Characterization of Myocardial Blood Flow During Heat Exposure
The purpose of this study is to determine the increase in myocardial blood flow during heat exposure and how this response is affected by age and coronary artery disease.
- Conditions
- Hot Weather; Adverse Effect, Healthy, Coronary Artery Disease, Aging
- Trial name
- PET-Heat (NCT04549974)
- Testing
- Heat exposure
- Where
- Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Montreal Heart Institute
Hot Weather; Adverse Effect, Kidney Dysfunction
Renal Considerations in the Heat Stress Recommendations (Aim2)
An epidemic of chronic kidney disease is occurring in laborers who undertake physical work outdoors in hot conditions. The reason for this is largely unknown, but may be related to kidney dysfunction caused by increases in body…
- Conditions
- Hot Weather; Adverse Effect, Kidney Dysfunction, Kidney Injury, Hyperthermia
- Trial name
- NCT05458843
- Testing
- Fluid replacement, No fluid replacement
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Indiana University