Scientists track immune changes in volunteers stranded on remote islands for a year

NCT ID NCT07275489

First seen Jan 05, 2026 · Last updated Apr 30, 2026 · Updated 18 times

Summary

This study follows 9 healthy young adults living for one year on the remote Kerguelen Islands in the sub-Antarctic. Researchers will collect blood, saliva, stool, urine, and hair samples every three months to see how isolation, stress, and disrupted sleep affect the immune system. The goal is to understand why people in extreme environments get more infections and have dormant viruses reactivate. Findings may help support immune health in vulnerable populations.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Hôpital SAMUKER, Port-aux-français/ Archipel KERGUELEN /Terres Australes et Antarctiques Françaises

    RECRUITING

    Port-aux-Français, Terres Australes Et Antarctiques Françaises, French Southern and Antarctic Lands

    Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.