# National Varicose Vein Study - Portugal

> **NCT05625074** · — · UNKNOWN · sponsor: **Universidade do Porto** · enrollment: 250 (estimated)

## Conditions studied

- Chronic Venous Insufficiency

## Interventions

- **PROCEDURE:** Conventional surgery for great saphenous vein insufficiency

## Key facts

- **NCT ID:** NCT05625074
- **Lead sponsor:** Universidade do Porto
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-11-01
- **Primary completion:** 2023-01-31
- **Final completion:** 2023-01-31
- **Target enrollment:** 250 (ESTIMATED)
- **Last updated:** 2022-11-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05625074

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05625074, "National Varicose Vein Study - Portugal". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05625074. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*