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RECRUITING
NCT07510061
NA

Title: ICARUS - Psycho-physiological Profiling of Low and High Heat-resilient Individuals

Sponsor: University of Thessaly

View on ClinicalTrials.gov

Summary

The escalating environmental heat-stress associated with global warming is a societal challenge with large and potential harmful consequences for humans. Excess morbidity and mortality during heat waves provides strong evidence for fatal outcomes. However, it is unclear why some people are particularly vulnerable and get sick from hyperthermia, while others adapt and tolerate exposure. The Icarus project aims to provide a psycho-physiological framework for improved mitigation of the health threats associated with global warming. Combining expertise in integrative thermal physiology, pharmacology, photobiology, psychology and machine learning, we will collaborate on comprehensive cross-scientific studies using controlled lab-exposure combined with investigations in ecological settings including vulnerable and highly tolerant people across populations from northern to southern Europe. Advanced algorithms will be developed to generate personalized alerts and advising based on behavioral patterns, psychological profiling, predicted vulnerability and willingness to adopt resilience-building strategies. Global warming is projected to continue towards the end of the 21st century and constitutes an increasing threat to human health unless we as individuals and collectively become better in preventing acute effects, as well as devise sustainable strategies to limit further anthropogenic warming of the climate system. Acutely, improved guidance is important for both individual and public health, where Icarus aims at providing a highly improved basis for preventing heat-related disease, advising or nudging people towards pro-health behavior, including smarter use of technologies to mitigate heat stress, or adjusting medication to reduce adverse effects during heat events. In support of the sustainability agenda, our framework also forms a novel basis for developing advising algorithms relevant for optimization of climate change mitigation policy-making.

Official title: Physiological Phenotyping

Key Details

Gender

All

Age Range

18 Years - 65 Years

Study Type

INTERVENTIONAL

Enrollment

80

Start Date

2025-11-01

Completion Date

2027-04-30

Last Updated

2026-04-03

Healthy Volunteers

Yes

Interventions

OTHER

Controlled Heat and Ultraviolet Radiation Exposure Protocol

Participants undergo a standardized 4-hour laboratory-based environmental exposure protocol consisting of passive heat exposure (40°C, 30% relative humidity), simulated solar ultraviolet radiation (up to 3 Standard Erythema Doses), light exercise-induced heat stress using a cycle ergometer, and recovery. Physiological, cardiovascular, thermoregulatory, biochemical, and psychological responses are assessed repeatedly throughout the protocol. The intervention is designed to quantify individual heat tolerance and combined heat-UV physiological strain under controlled conditions.

Locations (2)

Københavns Universitet

Copenhagen, Denmark

Department of Physical Education and Sport Science

Trikala, Thessaly, Greece