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Can compression stockings keep leg veins safe on long flights?

NCT ID NCT07810192

Prevention 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.
Not yet recruiting
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time

Summary

Researchers are testing whether knee-high graduated compression stockings reduce swelling of the popliteal vein, a leg vein behind the knee, during long-haul economy-class flights to Bogota. The trial enrolls 160 adults who have had aesthetic surgery and are flying for at least four hours. Participants wear stockings or go without, and all receive enoxaparin, a blood thinner, to prevent clots. Ultrasound scans before the flight and after arrival measure vein size, and researchers track any skin problems or discomfort from the stockings.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Knee-high graduated compression stockings
What this could lead to
If stockings work, they could offer a simple, low-cost way to protect leg veins during long flights, especially for people recovering from surgery.
What could go wrong
This is a small, single-route study, so results may not apply to other flights or travelers. Stockings can cause skin irritation, numbness, or discomfort, and some people may not tolerate wearing them.

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 160 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. * Economy-class commercial itinerary to Bogota with at least 4 hours of total airborne time. * No clinical indication that mandates or prohibits compression stockings. * Ability to obtain the assigned stocking before boarding and wear it as instructed. * Standardized preflight and postarrival ultrasounds completed before surgery. * Written informed consent. Exclusion Criteria: * Current deep venous thrombosis, therapeutic anticoagulation, or severe peripheral arterial disease. * Significant lower-limb skin disease, ulceration, neuropathy, or deformity preventing safe stocking use. * Pregnancy. * Planned use of another compression device during the flight. * Surgery or major intravenous fluid therapy before completion of the 48-hour examination. * Inability to complete preflight ultrasound or follow assigned treatment.

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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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  2. The official record

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Contacts and locations

Locations

  • Clinica INO

    RECRUITING

    Bogotá, Colombia

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