Key points are not available for this paper at this time.
In patients with COPD, therapy with tiotropium was associated with improvements in lung function, quality of life, and exacerbations during a 4-year period but did not significantly reduce the rate of decline in FEV(1). (ClinicalTrials.gov number, NCT00144339.)
Tashkin et al. (Mon,) studied this question.
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