Clinical trial Recruiting at 1 site Observational Ages 10 and up

Registry for chronic venous disease incidence and natural course

Official title: Russian Registry for Chronic Venous Disease Incidence and Natural Course

Run by Russian Phlebological Association · NCT04487314 · Data updated 2026-11-12

This study is tracking the health and progress of people with varicose veins to see how the condition affects them over time.

More Varicose Veins of Lower Limb trials

Quick facts

Study typeObservational
Ages10 Years and up
SexAll
Enrollment10000 (estimated)
SponsorRussian Phlebological Association
Academic / other
Locations1 site (Saint Petersburg, Sankt-Peterburg)
StatusRecruiting
StartedAugust 20, 2020
Main results expectedSeptember 1, 2050
Study endsSeptember 1, 2050
Registry record updatedJune 29, 2026
Trial IDNCT04487314 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals with primary varicose veins who can commit to annual clinical and ultrasound assessments.

Probably not a fit

Patients who have undergone invasive treatment for chronic venous disorders or have a history of venous thrombosis may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a prospective cohort study that aims to assess the morbidity, risk factors, and progression of chronic lower limb vein disease in patients with primary varicose veins. It involves multiple centers and relies on an epidemiological registry that collects data annually from participants. The collected data is stored in a digital database that is continuously updated to track the health outcomes of the subjects over time.

Why it matters

Potential benefit: If successful, this study could enhance understanding of chronic venous disease and improve management strategies for patients with varicose veins.

How similar studies have gone: While this study is observational and may build on existing knowledge, similar studies have shown success in understanding chronic venous disease, making this approach relevant.

Who can join: the full rules

Show full inclusion / exclusion criteria
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

Where it's running

  • "Medalp" private surgery clinic
    Saint Petersburg, Sankt-Peterburg, Russia
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.