MedTrace Logo

Fatigue in Long-Haul Operations

NCT07761611 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 118

Last updated 2026-08-12

No results posted yet for this study

Summary

The purpose of the present study is to test novel countermeasures to reduce fatigue among airline pilots during long-haul flight operations. The investigators will collect objective and subjective sleep, sleepiness, workload, and performance data from active-duty line pilots flying long-haul flight operations (\>8 hours). Data will be collected during days off prior to the trip start, during flights and layover, and during days off following the trip end.

Conditions

  • Alertness, Fatigue, Mood, and Performance
  • Calorie Restriction and Light Intervention

Interventions

BEHAVIORAL

Caloric restriction

To reduce calorie intake during the biological night to \< 10% of calculated daily need.

DEVICE

Light exposure

To wear blue-enriched light emitting glasses for 20 minutes following an inflight rest break before returning to the flight deck during both outbound and return flights.

Sponsors & Collaborators

  • Civil Aerospace Medical Institute

    collaborator FED

  • Washington State University

    collaborator OTHER

  • National Aeronautics and Space Administration (NASA)

    lead FED

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-09-30
Primary Completion
2029-07-31
Completion
2029-07-31

Countries

  • United States

Study Locations

More Related Trials

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 NCT07761611 on ClinicalTrials.gov