Use of low-dose oral theophylline as an adjunct to inhaled corticosteroids in preventing exacerbations of chronic obstructive pulmonary disease: study protocol for a randomised controlled trial

The COPD assessment test (CAT): response to pulmonary rehabilitation. A multicentre, prospective study

(2011) J. W. Dodd et al.   THORAX

Targeting Phosphoinositide-3-Kinase-δ with Theophylline Reverses Corticosteroid Insensitivity in Chronic Obstructive Pulmonary Disease

(2010) Yasuo To et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

Treatment Effects of Low-Dose Theophylline Combined With an Inhaled Corticosteroid in COPD

(2010) Paul A. Ford et al.   CHEST

Predictive accuracy of patient-reported exacerbation frequency in COPD

(2010) J. K. Quint et al.   EUROPEAN RESPIRATORY JOURNAL

Susceptibility to Exacerbation in Chronic Obstructive Pulmonary Disease

(2010) John R. Hurst et al.   NEW ENGLAND JOURNAL OF MEDICINE

Inhibition of PI3Kδ Restores Glucocorticoid Function in Smoking-induced Airway Inflammation in Mice

(2009) John A. Marwick et al.   AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

Development and first validation of the COPD Assessment Test

(2009) P. W. Jones et al.   EUROPEAN RESPIRATORY JOURNAL

Low-dose theophylline enhances the anti-inflammatory effects of steroids during exacerbations of COPD

(2009) B G Cosio et al.   THORAX

Effect of theophylline on the rate of moderate to severe exacerbations among patients with chronic obstructive pulmonary disease

(2007) Marie-Christyne Cyr et al.   BRITISH JOURNAL OF CLINICAL PHARMACOLOGY