# Effect of Tiotropium on Airway Remodeling in Patients With Early Stage COPD Accessed by Optical Coherence Tomography

> **NCT03842839** · NA · UNKNOWN · sponsor: **Guangzhou Institute of Respiratory Disease** · enrollment: 100 (estimated)

## Conditions studied

- Airway Remodeling

## Interventions

- **DRUG:** Tiotropium Inhalation Powder [Spiriva] 0.018mg
- **DRUG:** Salbutamol sulphate aerosol (Ventolin) 0.01mg

## Key facts

- **NCT ID:** NCT03842839
- **Lead sponsor:** Guangzhou Institute of Respiratory Disease
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-10-01
- **Primary completion:** 2022-12
- **Final completion:** 2022-12
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2022-09-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03842839

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03842839, "Effect of Tiotropium on Airway Remodeling in Patients With Early Stage COPD Accessed by Optical Coherence Tomography". Retrieved via AI Analytics 2026-09-25 from https://api.ai-analytics.org/clinical/NCT03842839. Licensed CC0.

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