# Tiotropium Induced Bronchodilation in Lung CT Scored Emphysema

> **NCT00570544** · — · COMPLETED · sponsor: **Gelb, Arthur F., M.D.** · enrollment: 29 (actual)

## Conditions studied

- COPD
- Emphysema

## Interventions

- **DRUG:** tiotropium

## Key facts

- **NCT ID:** NCT00570544
- **Lead sponsor:** Gelb, Arthur F., M.D.
- **Sponsor class:** INDIV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2004-08
- **Primary completion:** —
- **Final completion:** 2005-08
- **Target enrollment:** 29 (ACTUAL)
- **Last updated:** 2008-08-14

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00570544

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00570544, "Tiotropium Induced Bronchodilation in Lung CT Scored Emphysema". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT00570544. Licensed CC0.

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