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Prospective stratified randomized Four-Group study of cabin class and graduated compression stockings on popliteal vein dilation after Long-Haul air travel after aesthetic surgery

NCT ID NCT07808931

NEW Sponsor: Research Inc Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
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Registered, but not yet taking participants.
By invitation only
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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 Results may not be published yet.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
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Expanded access (paused)
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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

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Status unknown
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First seen Sep 09, 2026 · Last updated Sep 09, 2026

Summary

This four-group prospective study will enroll travelers who have independently booked economy or premium business/first-class flights to Bogota. Within each cabin stratum, participants will be randomized to moderate graduated compression stockings or no stockings. Bilateral popliteal vein ultrasound will be performed before flight, within 2 hours after arrival, and at 24 and 48 hours. The primary outcome is the interaction between cabin class and compression assignment for change in mean bilateral popliteal vein diameter.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 200 people

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

Started

Jan 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Age 18 to 65 years. * Commercial itinerary to Bogota with at least 4 hours of total airborne time. * Prebooked premium business/first-class or economy-class cabin documented before randomization. * No medical requirement for or contraindication to graduated compression stockings. * Ability to complete standardized ultrasound before flight and through 48 hours after arrival before surgery. * Written informed consent. Exclusion Criteria: * Current deep venous thrombosis, therapeutic anticoagulation, or severe peripheral arterial disease. * Pregnancy. * Lower-extremity skin, neurologic, or anatomic condition preventing safe stocking use or ultrasound. * Cabin upgrade or downgrade after randomization that changes the prespecified stratum. * Surgery or major intravenous fluid therapy before the 48-hour examination. * Inability to follow the randomized stocking assignment.

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As listed by the trial registrant

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

Air travel Physiologic venous dilation

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  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

  • Clinica INO

    RECRUITING

    Bogotá, Colombia

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