# Factors to Obstructive Granulation Tissue Formation After Ultraflex Stenting in Benign Tracheal Narrowing

> **NCT01006200** · — · COMPLETED · sponsor: **Chang Gung Memorial Hospital** · enrollment: 67 (actual)

## Conditions studied

- Chronic Obstructive Pulmonary Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01006200
- **Lead sponsor:** Chang Gung Memorial Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2001-08
- **Primary completion:** 2007-09
- **Final completion:** 2007-09
- **Target enrollment:** 67 (ACTUAL)
- **Last updated:** 2009-11-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01006200

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01006200, "Factors to Obstructive Granulation Tissue Formation After Ultraflex Stenting in Benign Tracheal Narrowing". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01006200. Licensed CC0.

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