# Safety and Efficacy of 4-weeks Treatment of BIBW 2948 BS in Patients With Chronic Obstructive Bronchitis

> **NCT00726479** · PHASE2 · WITHDRAWN · sponsor: **Boehringer Ingelheim**

## Conditions studied

- Pulmonary Disease, Chronic Obstructive
- Bronchitis, Chronic

## Interventions

- **DRUG:** BIBW 2948 BS

## Key facts

- **NCT ID:** NCT00726479
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2008-08
- **Primary completion:** 2008-09
- **Final completion:** —
- **Target enrollment:** 0 (ACTUAL)
- **Last updated:** 2014-03-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00726479

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00726479, "Safety and Efficacy of 4-weeks Treatment of BIBW 2948 BS in Patients With Chronic Obstructive Bronchitis". Retrieved via AI Analytics 2026-06-22 from https://api.ai-analytics.org/clinical/NCT00726479. Licensed CC0.

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