# A Study Based on Medical Records That Looks at the Duration of Use of Two Types of Inhalers With Different Medicines in Patients With Chronic Obstructive Pulmonary Disease (COPD)

> **NCT03979807** · — · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 11296 (actual)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive

## Interventions

- **DRUG:** Olodaterol/Tiotropium Bromide
- **DRUG:** Umeclidinium/ Vilanterol

## Key facts

- **NCT ID:** NCT03979807
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-06-10
- **Primary completion:** 2019-06-11
- **Final completion:** 2019-06-11
- **Target enrollment:** 11296 (ACTUAL)
- **Last updated:** 2021-11-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03979807

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03979807, "A Study Based on Medical Records That Looks at the Duration of Use of Two Types of Inhalers With Different Medicines in Patients With Chronic Obstructive Pulmonary Disease (COPD)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03979807. Licensed CC0.

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