Change from baseline in Chronic Respiratory Questionnaire (CRQ) total score at week 24
Change in pre-bronchodilator predicted forced expiratory volume in 1 second (FEV1) at week 24 , in 6-minute walk distance at week 24, in health survey (SF-36) physical component summary score at week 24, in Transition Dyspnea Index (TDI) score at week 24
40 Years and older (Adult, Senior)
March 10, 2003
May 17, 2011
† Study has passed its completion date and status has not been verified in more than two years.