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Monitoring Antioxidant/Redox Status at Concordia (MARS-C) — MARS-C  

Oxidative Stress Clinical Trial

Official title:
Monitoring Antioxidant/Redox Status and Replenishing Nitrogen & Sulfur-based Nutrients to Enhance Resilience at Concordia (MARS-C): Understanding Integrated Stress Signalling

Clinical Trial Summary

The European Space Agency (ESA) runs a research centre in Antarctica as an earth-based model for long duration deep-space missions. Just like astronauts travelling into space, crew-members overwintering at this Concordia base are exposed to a number of extreme environmental stressors; including high altitude (approximately 3800m); extreme cold; long periods of 24 hour darkness or daylight; and complete isolation. The investigators will recruit up to 30 over-wintering crew members working at this station for ESA over a 2 year period and observe how their bodies adapt and respond to the stress of living and working in this environment. The investigators will collect blood, saliva and urine samples, together with ultrasound images of muscle mass and grip strength measurements at regular intervals throughout their deployment to Antarctica. These samples will be transported back to Southampton to be analysed for biochemical levels of stress. During the final month of their stay, all participants will be randomised to receive a daily nutritional drink which is either high or low in targeted dietary supplements. Following similar studies that the investigators has successfully performed over shorter durations at high altitudes previously, they hypothesise that levels of stress experienced in extreme environments such as Antarctica or deep space can be reduced with targeted nutritional supplementation. These findings may become important to members of the general public as commercial aviation moves increasingly towards using low space-orbital vehicles to drastically reduce international travel times over the coming decade.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04197193
Study type Observational
Source University of Southampton
Contact
Status Active, not recruiting
Phase
Start date October 3, 2022
Completion date December 2024
View Details
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