33
Participants
Start Date
October 31, 2007
Primary Completion Date
February 28, 2011
Study Completion Date
February 28, 2011
Beclomethasone dipropionate HFA
Participants will receive the BASALT and TALC study drugs as determined in those protocols NCT00495157, NCT00565266. This study is ancillary to those trials and observational only and does not have any control over study drug allocation
Tiotropium bromide
Participants will receive the BASALT and TALC study drugs as determined in those protocols NCT00495157, NCT00565266. This study is ancillary to those trials and observational only and does not have any control over study drug allocation
Salmeterol xinafoate
Participants will receive the BASALT and TALC study drugs as determined in those protocols NCT00495157, NCT00565266. This study is ancillary to those trials and observational only and does not have any control over study drug allocation
Columbia University Medical Center, New York
Wake Forest University Health Sciences, Winston-Salem
Duke University Medical Center, Durham
University of Wisconsin, Madison
Washington University, St Louis
University of Texas Medical Branch, Galveston
National Jewish Medical & Research Center, Denver
University of California, San Diego, San Diego
University of California, San Francisco, San Francisco
Brigham & Women's Hospital, Boston
National Heart, Lung, and Blood Institute (NHLBI)
NIH
National Jewish Health
OTHER