# Assess the Efficacy and Tolerability of Antistax Film-coated Tablets in Patients With Chronic Venous Insufficiency

> **NCT00855179** · PHASE3 · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 250 (actual)

## Conditions studied

- Venous Insufficiency

## Interventions

- **DRUG:** Red vine leaf extract (AS 195)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00855179
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-03
- **Primary completion:** 2009-11
- **Final completion:** —
- **Target enrollment:** 250 (ACTUAL)
- **Last updated:** 2014-05-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00855179

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00855179, "Assess the Efficacy and Tolerability of Antistax Film-coated Tablets in Patients With Chronic Venous Insufficiency". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00855179. Licensed CC0.

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