# Post-Approval Study of the NexStent Carotid Stent System and the FilterWire EZ Embolic Protection System: SONOMA

> **NCT00478673** · PHASE4 · TERMINATED · sponsor: **Boston Scientific Corporation** · enrollment: 298 (actual)

## Conditions studied

- Carotid Stenosis

## Interventions

- **DEVICE:** NexStent Carotid Stent System (Monorail Delivery System)
- **DEVICE:** FilterWire EZ™ Embolic Protection System

## Key facts

- **NCT ID:** NCT00478673
- **Lead sponsor:** Boston Scientific Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2007-05
- **Primary completion:** 2009-07
- **Final completion:** 2009-07
- **Target enrollment:** 298 (ACTUAL)
- **Why stopped:** Enrollment was terminated in June 2008 due to market withdrawal of the NexStent Carotid Stent System.
- **Last updated:** 2012-08-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00478673

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00478673, "Post-Approval Study of the NexStent Carotid Stent System and the FilterWire EZ Embolic Protection System: SONOMA". Retrieved via AI Analytics 2026-07-16 from https://api.ai-analytics.org/clinical/NCT00478673. Licensed CC0.

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