| Not Yet Recruiting | Indigenous Nutritional Supplements for Pregnancy to Improve Resilience in Environmental Heat NCT07489664 | Aga Khan University | N/A |
| Recruiting | Heat Stress in Individuals With Schizophrenia NCT07383324 | University of Ottawa | N/A |
| Recruiting | Impact of Indoor Overheating on Physiological Strain in Children NCT07261202 | University of Ottawa | N/A |
| Recruiting | Suitability of a 26 °C Indoor Environment for Mitigating Heat Strain in Young Adults NCT07267598 | University of Ottawa | N/A |
| Recruiting | Title: ICARUS - Psycho-physiological Profiling of Low and High Heat-resilient Individuals NCT07510061 | University of Thessaly | N/A |
| Recruiting | Suitability of the 26 °C Indoor Temperature Upper Limit for Older Adults: Impacts of Clothing and Daily Activi NCT07189507 | University of Ottawa | N/A |
| Recruiting | Identifying the Limits of Survivability in Heat-exposed Older Females NCT07032493 | University of Ottawa | N/A |
| Recruiting | The Impact of Wearing the Hijab on Whole-body Heat Loss During Exercise-heat Stress NCT07174180 | University of Ottawa | N/A |
| Recruiting | Beat the Heat Boston NCT06982339 | Harvard School of Public Health (HSPH) | N/A |
| Recruiting | Heat Stress Exposure Among Low-Income Residents in Bangladesh and Evaluation of Indoor Interventions NCT06979258 | University of California, Berkeley | N/A |
| Recruiting | Influence of Indoor Humidity on Physiological Strain in Older Adults During a Simulated Heat Wave NCT06842953 | University of Ottawa | N/A |
| Recruiting | Impact of Extreme Heat on Myocardial Blood Flow and Flow Reserve in Young and Older Adults NCT06842784 | University of Texas Southwestern Medical Center | — |
| Completed | Effect of Rapid Heat Stress on Firefighters Musculoskeletal Injury Risk NCT06442956 | Louisiana State University Health Sciences Center Shreveport | N/A |
| Completed | Effect of Pre-cooling on Whole-body Heat Loss During Exercise-heat Stress NCT06670339 | University of Ottawa | N/A |
| Completed | Physiological Strain in Older Adults During a Simulated Heat Wave NCT06633302 | University of Ottawa | N/A |
| Recruiting | Aging, Beta Blockers, and Thermoregulatory Responses NCT06582680 | University of Texas Southwestern Medical Center | Phase 4 |
| Completed | Physiological Strain in Young Adults During a Simulated Heat Wave NCT06618352 | University of Ottawa | N/A |
| Completed | Initial Stay Times and Heat Mitigation Controls for Uncompensable Occupational Heat Stress - Part III NCT06630832 | University of Ottawa | N/A |
| Completed | Implementing an Intervention to Reduce Heat Stress and Chemical Exposures NCT06442969 | San Diego State University | N/A |
| Not Yet Recruiting | Preparing for Heat Waves - Enhancing Human Thermophysiological Resilience NCT06389604 | Maastricht University Medical Center | N/A |
| Completed | Efficacy of Ceiling Fans for Mitigating Thermal Strain During Bed Rest in Older Adults During Heat Waves NCT06142890 | University of Ottawa | N/A |
| Recruiting | Ethanol Consumption in the Heat NCT06935045 | Lakehead University | N/A |
| Completed | Validity of Humidity Ramp Protocols for Identifying Limits of Survivability in Heat-exposed Persons NCT05963529 | University of Ottawa | N/A |
| Completed | Study of Biomarkers of Heat Tolerance and Recovery During Ultra-endurance Exercise NCT05921864 | Direction Centrale du Service de Santé des Armées | — |
| Completed | Effectiveness of Topical Menthol as A Cooling Method During Exercise in A Recreational Runner Population NCT07482046 | Taisho Pharmaceutical Indonesia | Phase 2 / Phase 3 |
| Unknown | Protective Cooling Measures to Safeguard Elderly People From Dangerous Summer Heat NCT05274009 | University of Ottawa | N/A |
| Completed | Effect on Markers of Cardiovascular, Reproductive and Cancer Risk From Firefighting Training NCT05753254 | National Research Centre for the Working Environment, Denmark | N/A |
| Completed | Efficacy of Electric Fans for Mitigating Thermal Strain in Older Adults During Heat Waves NCT05695079 | University of Ottawa | N/A |
| Completed | The Detection of Heat Stress by Assessing Individual Body Responses to Heat (Heat Strain) in Young and Healthy NCT05622188 | ETH Zurich | — |
| Completed | Mitigating Heat-induced Physiological Strain and Discomfort in Older Adults Via Lower Limb Immersion and Neck NCT05601713 | University of Ottawa | N/A |
| Completed | Hot Water Immersion as a Heat Acclimation Strategy in Older Adults NCT05838612 | University of Ottawa | N/A |
| Completed | Short- and Long-term Health Consequences of Workers During Consecutive Days of Heat Stress NCT05302674 | State University of New York at Buffalo | N/A |
| Completed | Acquiring and Targeting Heat Exposures Necessary for Action NCT05678738 | University of Connecticut | N/A |
| Completed | The Effect of AMP Human Sodium Bicarbonate Lotion on Dehydrated Heat Stress NCT05092854 | University of Connecticut | N/A |
| Completed | Does Probiotic Supplementation Prevent Kidney Injury During Strenuous Physical Exercise? NCT04985292 | Göteborg University | N/A |
| Completed | Comparison of a Novel Condensed Heat Acclimation Programme With a Traditional Longer-term Heat Acclimation Pro NCT05600452 | University of Portsmouth | N/A |
| Completed | Exercise and Sauna on Blood Pressure and Cardiovascular Health NCT04540718 | University of Jyvaskyla | N/A |
| Completed | Establishing Evidence-based Indoor Temperature Thresholds to Protect Health NCT04348630 | University of Ottawa | N/A |
| Completed | Effects of Solar Radiation on Human Function and Cognition NCT04160741 | Petros Dinas | N/A |
| Completed | Physiological Responses in Young and Older Adults During a Prolonged Simulated Heatwave NCT04353076 | University of Ottawa | N/A |
| Completed | Heat Stress in Wheelchair Sports NCT03815708 | Swiss Paraplegic Research, Nottwil | — |
| Completed | Non-invasive Prediction of Thermal Strain in Healthy Male Adults NCT04650776 | Simon Annaheim | N/A |
| Unknown | Changes in Aviators' Body Core Temperature Measurements at F-35 NCT03234270 | Israeli Air Force Aeromedical Center | N/A |
| Completed | Validation of Heat Stress Limit Values for the Athletic Performance NCT06084494 | University of the Punjab | N/A |
| Completed | Testing of Personal Protective Equipment (PPE) NCT03004690 | Medical University of Graz | N/A |