Bronchial asthma
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Uncontrolled severe asthma patients treated with high dose inhaled corticosteroid and long acting beta 2 agonists 2.Eligible for fiberoptic bronchoscopy
Exclusion criteria
Exclusion criteria: 1.Have a pacemaker, internal defibrillator, or other implantable electronic device. 2.Have a known sensitivity to medications required to perform bronchoscopy, including lidocaine, atropine, and benzodiazepines. 3.Have been previously treated with BT 4.Active respiratory infection 5.Asthma exacerbation or changing dose of systemic corticosteroids for asthma (up or down) in the past 14 days 6.Known coagulopathy. As with other bronchoscopic procedures, patients should stop taking anticoagulants, antiplatelet agents, aspirin, and NSAIDS before the procedure with physician guidance
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Asthma exacerbation | — |
Secondary
| Measure | Time frame |
|---|---|
| Asthma control Pulmonary function QOL Bronchial wall thickness, diameter Adverse events | — |
Countries
Japan
Contacts
National Center for Global Health and Medicine Respiratory Medicine