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NASA Exercise Prebreathe Study

Duke University · with National Aeronautics and Space Administration (NASA) · NCT07702539

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 30–60 · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
30
US sites recruiting
1
Study start
August 13, 2026
Record last updated
October 5, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

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.

Being studied: Oxygen Prebreathe and Hypobaric Exposure

Conditions: Decompression Sickness

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • Non-smoking volunteers aged 30-60 years
  • Able to meet VO2 peak requirements (>35 ml/kg/min males, >30 ml/kg/min females)

Exclusion Criteria

  • Pregnancy
  • Lung disease, heart disease, hypertension, or diabetes
  • Musculoskeletal pain conditions
  • Requirement for regular medications such as analgesics

Recruiting US locations

  • Duke University Medical Center

    Durham, NC 27710

    Site contact: Richard E Moon, MD · 919-684-6726 · richard.moon@duke.edu

NASA Exercise Prebreathe Study (NCT07702539) | Bored Studies