# Prospective Cohort Study for Varicose Veins Incidence and Natural Course

> **NCT04546750** · — · RECRUITING · sponsor: **Russian Phlebological Association** · enrollment: 100 (estimated)

## Conditions studied

- Varicose Veins of Lower Limb
- Thromboses, Venous
- Venous Insufficiency

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04546750
- **Lead sponsor:** Russian Phlebological Association
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-09-01
- **Primary completion:** 2030-09
- **Final completion:** 2030-09
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2023-11-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04546750

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04546750, "Prospective Cohort Study for Varicose Veins Incidence and Natural Course". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04546750. Licensed CC0.

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