# Efficacy and Tolerability of Venoactive Drugs in Patients With Chronic Venous Diseases C4a&b in Real Clinical Practice.

> **NCT04138576** · — · COMPLETED · sponsor: **Servier Russia** · enrollment: 381 (actual)

## Conditions studied

- Chronic Venous Diseases

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04138576
- **Lead sponsor:** Servier Russia
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-25
- **Primary completion:** 2020-10-01
- **Final completion:** 2020-12-01
- **Target enrollment:** 381 (ACTUAL)
- **Last updated:** 2023-09-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04138576

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04138576, "Efficacy and Tolerability of Venoactive Drugs in Patients With Chronic Venous Diseases C4a&b in Real Clinical Practice.". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT04138576. Licensed CC0.

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