Severe persistent asthma. Severe persistent asthma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients suffering from severe refractory asthma who could not be controlled by high dose corticosteroids and Long acting beta2 agonists or by antileukotrienes with or without tiotropium. FEV1 should be less than 80 percent.
Exclusion criteria
Exclusion criteria: Allergic bronchopulmonary aspergillosis Drug allergy Pregnancy or Breast milk feeding Interstitial lung disease such as Vasculitis Recent lung infection Gastroesophageal reflux
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Bronchial Wall thickness. Timepoint: ?Before intervention and 8 months after intervention. Method of measurement: Computed tomography(CT) Scan of lung.;Transforming growth factor beta (TGF-beta) gene expression in the sputum. Timepoint: Before intervention and 8 months after intervention. Method of measurement: Detecting by Polymerase chain reaction (PCR) of the Sputum. | — |
Secondary
| Measure | Time frame |
|---|---|
| Fraction of expiratory Nitric Oxide (FENO). Timepoint: Before intervention and 8 months after intervention. Method of measurement: Expiratory nitric oxide test with NObreath equipment.;Forced expiratory volume in one second (FEV1). Timepoint: Before intervention and 8 months after intervention. Method of measurement: Micro medical spirometer.;Asthma control. Timepoint: Before intervention and 8 months after intervention. Method of measurement: Asthma Control Test (ACT) score.;Number of Need for emergency services because of asthma exacerbation. Timepoint: Before intervention and 8 months after intervention. Method of measurement: Recording the date of asthma exacerbation in the Special Card which will be given to the patients. | — |
Countries
Iran (Islamic Republic of)
Contacts
Islamic Azad University