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Can high altitudes warp your internal clock?

NCT ID NCT07402148

Knowledge-focused Sponsor: Qilu Hospital of Shandong University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how different altitudes change the way people perceive time. Researchers will use a special chamber to simulate altitudes from 500 to 3000 meters. 46 healthy adults will complete timing tasks while their heart rate and oxygen levels are monitored. The goal is to see if altitude affects time perception and how it relates to body changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 46 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

This study recruited healthy adult volunteers who met the inclusion and exclusion criteria in a university in Shandong Province

Ages

18 to 50 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Age 18-50 years; 2. Not taking any medication during the monitoring period; 3. No history of anemia; 4. Have lived in plain area for a long time, and have no history of traveling in high altitude area in recent two months; 5. May want to live in plateau in the future 6. Voluntarily participate in the study and sign the informed consent. Exclusion Criteria: All subjects were excluded from claustrophobia, schizophrenia, affective disorder, mental retardation and other serious mental disorders as well as major physical and nervous system diseases, and had not taken psychotropic drugs \-

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Heart rate monitoring

How to take part

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  1. The places running it

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  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Qilu Hospital of Shandong University

    Jinan, Shandong, 250012, China

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