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Author Bjermer, L.; Bisgaard, H.; Bousquet, J.; Fabbri, L.M.; Greening, A.; Haahtela, T.; Holgate, S.T.; Picado, C.; Leff, J.A. url  doi
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  Title Montelukast or salmeterol combined with an inhaled steroid in adult asthma: design and rationale of a randomized, double-blind comparative study (the IMPACT Investigation of Montelukast as a Partner Agent for Complementary Therapy-trial) Type
  Year (down) 2000 Publication Respiratory Medicine Abbreviated Journal Respir Med  
  Volume 94 Issue 6 Pages 612-621  
  Keywords Acetates/*administration & dosage; Administration, Inhalation; Adolescent; Adrenal Cortex Hormones/*administration & dosage; Adult; Aged; Albuterol/administration & dosage; Androstadienes/*therapeutic use; Anti-Asthmatic Agents/*administration & dosage; Asthma/*drug therapy/physiopathology; Forced Expiratory Volume/drug effects; Humans; Leukotriene Antagonists/*administration & dosage; Middle Aged; Peak Expiratory Flow Rate/drug effects; Quality of Life; Quinolines/*administration & dosage; Quinolones/administration & dosage; Surveys and Questionnaires  
  Abstract Asthma patients who continue to experience symptoms despite taking regular inhaled corticosteroids represent a management challenge. Leukotrienes play a key role in asthma pathophysiology, and since pro-inflammatory leukotrienes are poorly suppressed by corticosteroids it seems rational to add a leukotriene receptor antagonist (LTRA) when a low to moderate dose of inhaled corticosteroids does not provide sufficient disease control. Long acting beta2-agonist (LABA) treatment represents an alternative to LTRAs and both treatment modalities have been shown to provide additional disease control when added to corticosteroid treatment. To compare the relative clinical benefits of adding either a LTRA or a LABA to asthma patients inadequately controlled by inhaled corticosteroids, a randomized, double-blind, multi-centre, 48-week study will be initiated at approximately 120 centres throughout Europe, Latin America, Middle East, Africa and the Asia-Pacific region in early 2000. The study will compare the oral LTRA montelukast with the inhaled LABA salmeterol, each administered on a background of inhaled fluticasone, on asthma attacks, quality of life, lung function, eosinophil levels, healthcare utilization, and safety, in approximately 1200 adult asthmatic patients. The requirements for study enrollment include a history of asthma, FEV1 or PEFR values between 50% and 90% of the predicted value together with > or = 12% improvement in FEV1 after beta-agonist administration, a minimum pre-determined level of asthma symptoms and daily beta-agonist medication. The study will include a 4-week run-in period, during which patients previously taking inhaled corticosteroids are switched to open-label fluticasone (200 microg daily), followed by a 48-week double-blind, treatment period in which patients continuing to experience abnormal pulmonary function and daytime symptoms are randomized to receive montelukast (10 mg once daily) and salmeterol placebo, or inhaled salmeterol (100 microg daily) and montelukast placebo. All patients will continue with inhaled fluticasone (200 microg daily). During the study, asthma attacks, overnight asthma symptoms, and morning peak expiratory flow rate will be assessed using patient diary cards; quality of life will also be assessed using an asthma-specific quality-of life questionnaire. The results of this study are expected to provide physicians with important clinical evidence to help them make a rational and logical treatment choice for asthmatic patients experiencing breakthrough symptoms on inhaled corticosteroids.  
  Address Department of Lung Medicine, University Hospital, Trondheim, Norway. Leif.Bjermer@medisin.ntnu.no  
  Corporate Author Thesis  
  Impact Factor 03,086 First Author Bjermer, L. Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Senior Author Leff, J.A.  
  ISSN 0954-6111 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:10921768 Approved no  
  Call Number Serial 220  
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