# Evaluation of Effectiveness and Safety of Antegrade and Retrograde Approach of Percutaneous Coronary Intervention for Chronic Total Occlusions

> **NCT03667196** · — · RECRUITING · sponsor: **Seung-Whan Lee, M.D., Ph.D.** · enrollment: 4000 (estimated)

## Conditions studied

- Chronic Total Occlusion of Coronary Artery

## Interventions

- **PROCEDURE:** antegrade and retrograde approach

## Key facts

- **NCT ID:** NCT03667196
- **Lead sponsor:** Seung-Whan Lee, M.D., Ph.D.
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2018-01-11
- **Primary completion:** 2027-12-31
- **Final completion:** 2027-12-31
- **Target enrollment:** 4000 (ESTIMATED)
- **Last updated:** 2024-12-27

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03667196

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03667196, "Evaluation of Effectiveness and Safety of Antegrade and Retrograde Approach of Percutaneous Coronary Intervention for Chronic Total Occlusions". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03667196. Licensed CC0.

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