# A Clinical Study to Evaluate Symbicort Turbuhaler Used 'as Needed' in Adults and Adolescents With Asthma

> **NCT02224157** · PHASE3 · COMPLETED · sponsor: **AstraZeneca** · enrollment: 4215 (actual)

## Conditions studied

- Asthma

## Interventions

- **DRUG:** budesonide/formoterol 'as needed' + budesonide placebo bid
- **DRUG:** budesonode bid + terbutaline 'as needed'

## Key facts

- **NCT ID:** NCT02224157
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-11-28
- **Primary completion:** 2017-08-16
- **Final completion:** 2017-08-16
- **Target enrollment:** 4215 (ACTUAL)
- **Last updated:** 2019-11-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02224157

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02224157, "A Clinical Study to Evaluate Symbicort Turbuhaler Used 'as Needed' in Adults and Adolescents With Asthma". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02224157. Licensed CC0.

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