# Comparative Effectiveness of Symbicort vs. Spiriva Among COPD Patients

> **NCT01917643** · — · COMPLETED · sponsor: **AstraZeneca** · enrollment: 2396 (actual)

## Conditions studied

- COPD Exacerbation

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01917643
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-08
- **Primary completion:** 2013-11
- **Final completion:** 2013-11
- **Target enrollment:** 2396 (ACTUAL)
- **Last updated:** 2016-02-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01917643

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01917643, "Comparative Effectiveness of Symbicort vs. Spiriva Among COPD Patients". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01917643. Licensed CC0.

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