# Abrupt Versus Tapered Interruption of Chronic Clopidogrel Therapy After DES Implantation

> **NCT00640679** · PHASE4 · TERMINATED · sponsor: **Deutsches Herzzentrum Muenchen** · enrollment: 782 (actual)

## Conditions studied

- Coronary Artery Disease

## Interventions

- **DRUG:** Abrupt Clopidogrel Interruption
- **DRUG:** Clopidogrel Tapering

## Key facts

- **NCT ID:** NCT00640679
- **Lead sponsor:** Deutsches Herzzentrum Muenchen
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2008-04
- **Primary completion:** 2012-08
- **Final completion:** 2012-08
- **Target enrollment:** 782 (ACTUAL)
- **Why stopped:** Due to slow enrollment the study was stopped prematurely.
- **Last updated:** 2016-07-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00640679

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00640679, "Abrupt Versus Tapered Interruption of Chronic Clopidogrel Therapy After DES Implantation". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT00640679. Licensed CC0.

---

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