# Study to Investigate the Efficacy of Symbicort® SMART.

> **NCT00839800** · PHASE3 · COMPLETED · sponsor: **AstraZeneca** · enrollment: 2091 (actual)

## Conditions studied

- Asthma

## Interventions

- **DRUG:** Symbicort Turbuhaler
- **DRUG:** Terbutaline Turbuhaler

## Key facts

- **NCT ID:** NCT00839800
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-02
- **Primary completion:** 2011-02
- **Final completion:** 2011-02
- **Target enrollment:** 2091 (ACTUAL)
- **Last updated:** 2012-11-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00839800

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00839800, "Study to Investigate the Efficacy of Symbicort® SMART.". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT00839800. Licensed CC0.

---

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