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STYLE - Symbicort Single Inhaler Therapy vs Conventional Therapy in Treatment of Persistent Asthma

A Comparison of the Efficacy of Symbicort® Single Inhaler Therapy (Symbicort Turbuhaler® 160/4.5 mg 1 Inhalation b.i.d. Plus As-needed) and Conventional Best Practice for the Treatment of Persistent Asthma in Adolescents and Adults - a 26 Weeks, Randomised, Open-label, Parallel-group, Multicentre Study

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00252824
Enrollment
1000
Registered
2005-11-15
Start date
2005-07-31
Completion date
2006-12-31
Last updated
2011-01-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma

Brief summary

The purpose of the study is to compare the efficacy of a flexible dose of Symbicort with conventional stepwise treatment according to asthma treatment guidelines in patients with persistent asthma

Interventions

DRUGBudesonide/formoterol Turbuhaler vs Conventional Best Asthma Therapy

Sponsors

AstraZeneca
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
12 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* \- Diagnosis of asthma ³ 3 months * Prescribed daily use of glucocorticosteroids at a dose \> 320 mcg/ day for at least 3 months prior to Visit 1

Exclusion criteria

* Smoking history \> 10 pack-years * Asthma exacerbation requiring change in asthma treatment during the last 14 days prior to inclusion * Any significant disease or disorder that my jeopardize the safety of the patient. Additional inclusion and

Design outcomes

Primary

MeasureTime frame
Time to first severe asthma exacerbation

Secondary

MeasureTime frame
Mean use of as-needed medication
Prescribed asthma medication
Asthma Control Questionnaire
Number of asthma exacerbations
Safety: Serious Adverse Events and discontinuations due to adverse events
All variables assessed over the 6 months treatment period
Asthma related costs (direct asthma medication, direct non-medication costs and indirect costs)

Countries

Chile, Croatia, Czechia, Greece, Iceland, Latvia, Lithuania, Portugal, Slovakia, Slovenia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026