Clinical trials: Humidity
Sweat
Sweat Rate Measurement With a Sensor (Wearable) in Different Climatic Conditions With Road Cyclists.
Controlled, double-blind, crossover clinical trial with six parallel arms depending on the combination of temperature and humidity (22º and 40% humidity, 35º 40% humidity and 35º and 65% humidity), with two differents intensity…
- Trial name
- CYSU (NCT06308432)
- Testing
- Low intensity, Low temperature, Low Humidity
- Where
- Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Ongoing Pregnancy Rate
High Versus Free Humidity Incubators; A Randomized Clinical Trial
To compare Top quality embryos either day3 or day 5, Pregnancy rate and most importantly ongoing pregnancy rate between high humidity incubators and humidity free incubators
- Trial name
- NCT01695096
- Testing
- The Embryos will be cultured on a humidity free incubator, The Embryos will be cultured on a >95% humidity incubator
- Where
- 2 sites in Egypt
- Volunteers
- 284 people, healthy volunteers welcome
- Sponsor
- Ibn Sina Hospital
Keratoconjunctivitis Sicca, Dry Eye Syndrome
Effects of Dry Eye Treatments on the Ocular Surface
The purpose of this study is to evaluate whether, in people with dry eye syndrome, over the counter artificial tears and the prescription eye drop, dexamethasone, change or effect the eyes response to a low humidity environment.
- Trial name
- NCT01797822
- Testing
- Dexamethasone, Artificial tear
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
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
Heart Rate, All-day Steps
Assessing the Effect of Cool Roofs on Health Using Smartwatches 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
- Heart Rate, All-day Steps, Distance Walked, Active Minutes
- Trial name
- REFLECT (NCT06571019)
- Testing
- Cool roof
- Where
- Niue
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- Aditi Bunker
Environmental Exposure, Temperature Change, Body
The Effect of IEQ on Cognition and Health
The goal of this study is to learn about the effect of heat and humidity on cognition and health. The main question[s] it aims to answer are: type of study: interventional participant population: 20-40years, both gender, healthy…
- Conditions
- Environmental Exposure, Temperature Change, Body, Condition, Healthy
- Trial name
- IEQ-HUM (NCT05972187)
- Testing
- Temperature and Humidity
- Where
- Netherlands
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
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, 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
Environmental Exposure
Controlled Adverse Environment: A Pilot Study to Evaluate Tear Film Stability and Tear Evaporation
Dry eye and ocular surface disease account for a lot of morbidity and socio-economic burden in Asia and the rest of the world. This is a small pilot study to evaluate tear function under different conditions of humidity and…
- Trial name
- NCT01448356
- Testing
- temperature and humidity
- Where
- Singapore
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Mucosal Congestion
Changes in Nasal Patency With Changes in Posture, Temperature, Humidity and Nasal Patency Seen by Acoustic Rhinometry
To study nasal physiologic responses to changes in posture, temperatures, humidity and nasal patency with acoustic rhinometry.
- Trial name
- NCT00147888
- Testing
- Acoustic rhinometry (procedure)
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Chicago
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
Skin Physiology, Spinal Cord Injuries
Intelligent Underwear (IU) in Paraplegics
Pressure injuries are a major problem in patients with no or limited mobility and sensation such as paraplegics. Changes in skin physiology like changes in skin perfusion, oxygenation and humidity may explain and help to detect…
- Conditions
- Skin Physiology, Spinal Cord Injuries, Pressure Injury
- Trial name
- ProTex (NCT04008160)
- Testing
- ProTex
- Where
- Switzerland
- Volunteers
- healthy volunteers welcome
- Sponsor
- Swiss Paraplegic Research, Nottwil
Eco-anxiety, PTSD - Post Traumatic Stress Disorder
Assessing the Effects of Cool Roofs on Mental Health in Ahmedabad, India
Ambient air temperatures in India have broken record highs. Solutions are needed to build heat resilience in communities and adapt to increasing heat from climate change.
- Conditions
- Eco-anxiety, PTSD - Post Traumatic Stress Disorder, Resilience, Anxiety
- Trial name
- REFLECT (NCT07251218)
- Testing
- Cool roof
- Where
- India
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Aditi Bunker
Dry Eye
A Study To Investigate The Effects Of A Low Humidity Environment And Visual Tasking On Tear Film Protein Composition
The purpose of the study is to collect valuable data on the role of controlled humidity, temperature, airflow, and visual tasking in altering the tear film protein composition.
- Trial name
- NCT02005874
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Inflamax Research Incorporated
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
Type 2 Diabetes
Effect of a Simulated Flight in Patients With Type 2 Diabetes and Healthy Volunteers
Diabetes is an increasingly common condition which affects millions of people in the United Kingdom. Patients with type 2 diabetes are at increased risk to develop severe heart disease and vascular complications and these can…
- Trial name
- FlyBar (NCT04031417)
- Testing
- Hypoxia, Low Humidity
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hull University Teaching Hospitals NHS Trust
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
Hyperthermia, Burn Injury
IEEM- Work:Rest Cycles in Burn Survivors- Humidity
The purpose of this project is to identify the effects of a severe burn injuries in humans on core temperature responses during work:rest cycles while in a heated environment.
- Trial name
- NCT06966336
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Exercise Performance in Extreme Environments
Effects of Taurine Supplementation on Repetitive Sprint Performance and Exhaustion Time in College Students Under High-Temperature and High-Humidity Conditions
This study is designed to evaluate the effects of acute pre-exercise taurine supplementation at different doses on the performance of college students during exhaustive exercise and subsequent repetitive sprint (RS) activities in…
- Trial name
- TSPR (NCT06824571)
- Testing
- High-Dose Taurine Supplementation (6g), Medium-Dose Taurine Supplementation (4g), Low-Dose Taurine Supplementation (1g)
- Where
- China
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Xiaodong Cheng
Asthma
Mechanical Heat Recovery Ventilation on House Dust Mite Sensitive Asthma
Asthma has become increasingly common in the UK, demanding our consideration of the cause. Many patients with asthma are allergic to house dust mites, which thrive in modern housing.
- Trial name
- NCT00148096
- Testing
- Mechanical Heat Recovery Ventilation
- Where
- United Kingdom
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- University of Glasgow