# Efficacy in Walked Distance of Indacaterol vs Tiotropium in Women With COPD Secondary to Biomass (EMERALD)

> **NCT02473237** · PHASE4 · COMPLETED · sponsor: **National Institute of Respiratory Diseases, Mexico** · enrollment: 40 (estimated)

## Conditions studied

- COPD

## Interventions

- **DRUG:** indacaterol
- **DRUG:** Tiotropium

## Key facts

- **NCT ID:** NCT02473237
- **Lead sponsor:** National Institute of Respiratory Diseases, Mexico
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-04
- **Primary completion:** 2015-06
- **Final completion:** 2015-08
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2015-10-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02473237

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02473237, "Efficacy in Walked Distance of Indacaterol vs Tiotropium in Women With COPD Secondary to Biomass (EMERALD)". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT02473237. Licensed CC0.

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