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NASA Exercise Prebreathe Study

NCT07702539 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-07-14

No results posted yet for this study

Summary

This study evaluates oxygen prebreathe protocols and exercise conditions to reduce risk of decompression sickness during simulated extravehicular activity. Healthy adult volunteers will undergo oxygen prebreathe followed by hypobaric chamber exposure with monitoring for symptoms and ultrasound detection of bubbles.

Conditions

  • Decompression Sickness

Interventions

PROCEDURE

Oxygen Prebreathe and Hypobaric Exposure

Prebreathe 100% oxygen followed by simulated spacewalk conditions in hypobaric chamber with exercise protocols.

Sponsors & Collaborators

  • National Aeronautics and Space Administration (NASA)

    collaborator FED

  • Duke University

    lead OTHER

Principal Investigators

  • Richard Moon · Duke University

Study Design

Allocation
NA
Purpose
PREVENTION
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
30 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-07-13
Primary Completion
2027-02-27
Completion
2027-02-27

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07702539 on ClinicalTrials.gov