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Symbicort Single Inhaler Therapy for Asthma in a General Practice Setting

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: October 12, 2005
Last Update Posted: January 24, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
The primary objective is to compare the effects of Symbicort SiT and treatment according to NHG-guidelines on bronchial hyperresponsiveness in asthmatic patients, as measured by PD20 histamine, and to validate the Bronchial Hyperresponsiveness Questionnaire (BHQ).

Condition Intervention Phase
Asthma Drug: budesonide/formoterol Turbuhaler Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Effects of Symbicort Single Inhaler Therapy on Bronchial Hyper Responsiveness, Asthma Control and Safety in Mild to Moderate Asthmatics in General Practice, Compared to Usual Care Therapy

Resource links provided by NLM:

Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • Change in PD20 histamine

Secondary Outcome Measures:
  • number of asthma-control days, time to first mild asthma exacerbation, number of mild asthma exacerbation days, asthma symptom scores (day and night), FEV1, PEF (morning and evening), Number of inhalations with iGCS and mean dose of iGCS

Estimated Enrollment: 100
Study Start Date: September 2003
Study Completion Date: December 2006
Primary Completion Date: October 2006 (Final data collection date for primary outcome measure)

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • diagnosis of mild to moderate asthma, FEV1 ³ 60% of predicted normal values pre-bronchodilator, daily use of inhaled GCS during the last 3 months

Exclusion Criteria:

  • Regular need of >4 inhalations of a short-acting b2-agonist/day, known or suspected hypersensitivity to any of the investigational drugs or inhaled lactose, use of any b-blocking agent, having smoked ³10 pack-years
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00235911

Research Site
Appingedam, Netherlands
Research Site
Groningen, Netherlands
Sponsors and Collaborators
Study Director: AstraZeneca Netherlands Medical Director, MD AstraZeneca
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
ClinicalTrials.gov Identifier: NCT00235911     History of Changes
Other Study ID Numbers: BN-00S-0011
First Submitted: October 7, 2005
First Posted: October 12, 2005
Last Update Posted: January 24, 2011
Last Verified: January 2011

Additional relevant MeSH terms:
Bronchial Diseases
Respiratory Tract Diseases
Lung Diseases, Obstructive
Lung Diseases
Respiratory Hypersensitivity
Hypersensitivity, Immediate
Immune System Diseases
Formoterol Fumarate
Budesonide, Formoterol Fumarate Drug Combination
Bronchodilator Agents
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anti-Asthmatic Agents
Respiratory System Agents
Adrenergic beta-2 Receptor Agonists
Adrenergic beta-Agonists
Adrenergic Agonists
Adrenergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Anti-Inflammatory Agents
Hormones, Hormone Substitutes, and Hormone Antagonists