# Efficiency of Twice Daily Formoterol Versus Once Daily Tiotropium in Patients With GOLD A/B COPD

> **NCT03258749** · NA · UNKNOWN · sponsor: **Huashan Hospital** · enrollment: 120 (estimated)

## Conditions studied

- Chronic Obstructive Pulmonary Disease

## Interventions

- **DRUG:** Tiotropium
- **DRUG:** Formoterol

## Key facts

- **NCT ID:** NCT03258749
- **Lead sponsor:** Huashan Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-11-01
- **Primary completion:** 2018-08-31
- **Final completion:** 2018-10-31
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2017-10-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03258749

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03258749, "Efficiency of Twice Daily Formoterol Versus Once Daily Tiotropium in Patients With GOLD A/B COPD". Retrieved via AI Analytics 2026-05-23 from https://api.ai-analytics.org/clinical/NCT03258749. Licensed CC0.

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