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Scientists track varicose veins from start to worse

NCT ID NCT04546750

Knowledge-focused Sponsor: Russian Phlebological Association Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study follows 100 people with and without varicose veins to see how often the condition appears and how it changes over time. Participants get yearly checkups including ultrasound exams. The goal is to learn what factors make vein disease worse and how it naturally progresses.

What this could mean

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

What this could lead to
If successful, this could help identify who is at risk for varicose veins and when to intervene, potentially preventing complications like blood clots or chronic vein problems.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly test any new therapy. Results may not apply to the general population since participants are mostly family members of the researchers.

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 100 people

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

Started

Sep 2020

Expected to finish

Sep 2030

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

The main cohort is formed from those who do not have varicose veins, who are affected by different factors that we register (various physical activities, the presence or absence of pregnancy, etc.). An additional cohort is formed from those who have varicose veins at the time of inclusion. The goal is to track the natural evolution (progression) of the disease, to evaluate the incidence and risk factors of complications. An extremely important criterion for the formation of the study population is the possibility to control the lower legs veins of observed individuals by a qualified vascular specialist. To date, a qualitative assessment of veins according to the CEAP classification is a weak point in longitudinal epidemiological studies.

Ages

10 years and older

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: * A family members of the researcher (spouse, childrens, brothers and sisters, parents) or the researcher himself * The possibility of annual clinical and ultrasound assessment of the venous system of the observed individuals Exclusion Criteria: * Any invasive treatment of the chronic venous disorder in anamnesis * Venous thrombosis in the anamnesis or at the time of inclusion

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Conditions

The condition(s) this trial relates to.

chronic venous insufficiency varicose disease venous insufficiency venous thromboembolism Venous Thrombosis

As listed by the trial registrant

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

Thromboses, venous Varicose veins of lower limb Venous insufficiency

Contacts and locations

Locations

  • "Medalp" private surgery clinic

    Saint Petersburg, Sankt-Peterburg, 197350, Russia

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