Effect of Symbicort on GR Localisation in Asthma
Asthma

About this trial
This is an interventional basic science trial for Asthma focused on measuring Asthma, Glucocorticoid, Long-acting beta2-adrenoceptor, Inhaled corticosteroids
Eligibility Criteria
Inclusion Criteria: Patients with mild steroid-naïve asthma (ATS criteria) of either sex with FEV1 >70 % pred Able to produce sputum after sputum induction Exhaled NO (flow 50 ml/s) ≥ 20 ppb Written informed consent Exclusion Criteria: Current upper respiratory tract infections Use of inhaled and/or oral GCS within 4 weeks prior to visit 1 Treatment with antileukotrienes, theophylline, tiotropium and ipratropium within 2 weeks prior to screening visit Hypersensitivity to any of the investigational drugs or lactose Use of any beta blocking agent (including eye-drops) Women who are pregnant, breast-feeding or planning a pregnancy during the study. Women must be postmenopausal (at least one year must have passed after the last menstruation), surgically sterile or using acceptable contraceptives, as judged by the investigator Any significant disease or disorder (e.g. cardiovascular, pulmonary (other than asthma), gastrointestinal, liver, renal, neurological, musculoskeletal, endocrine, metabolic, malignant, psychiatric, major physical impairment) which, in the opinion of the investigator, may either put the subject at risk because of participation in the study, or may influence the results of the study, or the subjects ability to participate in the study Inability to tolerate temporary withdrawal of bronchodilatory therapy Subjects not considered capable, as judged by the investigator, of following instructions of the study, e.g. because of a history of alcohol or drug abuse or any other reason Previous randomization in this study
Sites / Locations
- Section of Airway Disease, Asthma Lab, Imperial College London, Royal Brompton Hospital
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Placebo Comparator
Experimental
Experimental
Experimental
Experimental
Experimental
Placebo
Formoterol
Budesonide low dose
Budesonide high dose
Budesonide/formoterol combination single
Budesonide/formoterol combination double
placebo
Oxis(®) 12 μg
Pulmicort(®) 200 μg
Pulmicort(®) 800 μg
single 100/6 μg SYM100
double 200/12 μg SYM200