# Observational Study of Adherence to LABA / LAMA in Chronic Obstructive Pulmonary Disease (COPD)

> **NCT01937390** · — · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 645 (actual)

## Conditions studied

- Pulmonary Disease, Chronic Obstructive

## Interventions

- **DRUG:** Tiotropium 2x2.5µg tiotropium (equivalent to 2x3.154µg tiotropium bromide monohydrate) Respimat® inhaler and cartridge Solution for inhalation
- **DRUG:** Indacterol 300 µg
- **DRUG:** Tiotropium 18µg (equivalent to 22.5µg tiotropium bromide monohydrate) HandiHaler® device Inhalation powder, hard capsule
- **DRUG:** Indacterol 150 µg

## Key facts

- **NCT ID:** NCT01937390
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-11-06
- **Primary completion:** 2016-10-22
- **Final completion:** 2016-10-22
- **Target enrollment:** 645 (ACTUAL)
- **Last updated:** 2018-07-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01937390

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01937390, "Observational Study of Adherence to LABA / LAMA in Chronic Obstructive Pulmonary Disease (COPD)". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01937390. Licensed CC0.

---

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