# Early Intervention Efficacy in COPD

> **NCT04249310** · — · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 6788 (actual)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive

## Interventions

- **DRUG:** Tiotropium/Olodaterol
- **DRUG:** Tiotropium

## Key facts

- **NCT ID:** NCT04249310
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-27
- **Primary completion:** 2020-08-12
- **Final completion:** 2020-08-12
- **Target enrollment:** 6788 (ACTUAL)
- **Last updated:** 2022-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04249310

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04249310, "Early Intervention Efficacy in COPD". Retrieved via AI Analytics 2026-09-16 from https://api.ai-analytics.org/clinical/NCT04249310. Licensed CC0.

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