• A H Morice, B Celli, S Kesten, T Lystig, D Tashkin, and M Decramer.
• Cardiovascular and Respiratory Studies, HullYork Medicine School, University of Hull, CastleHill Hospital, Cottingham, East Yorkshire, UK. a.h.morice@hull.ac.uk
• Respir Med. 2010 Nov 1;104(11):1659-67.

AbstractWhilst recent large-scale studies have provided much evidence on the natural history and therapeutic response in patients with chronic obstructive pulmonary disease (COPD), relatively little is known about the effect in younger patients. We report a pre-specified post-hoc analysis of 356 patients with COPD ≤ 50 years old from the four year randomised, double blind placebo controlled Understanding Potential Long Term Impact on Function with Tiotropium (UPLIFT) trial. Inclusion criteria included a post-bronchodilator forced expiratory volume in 1 s (FEV(1)) of ≤70%, FEV(1)/FVC < 0.70, age ≥40 years, and smoking history of ≥10 pack years. Younger patients had a mean FEV(1) of 1.24 L (39% predicted) and an impaired health-related quality of life (St. George's Respiratory Questionnaire (SGRQ)) compared to the entire UPLIFT population. There were 40.2% women and 51.1% current smokers in the younger age group. Tiotropium was associated with a sustained improvement in spirometry and SGRQ. Mean decline in post-bronchodilator FEV(1) was 58 ml/year (placebo) vs. 38 ml/year (tiotropium) (p = 0.01). Corresponding values for pre-bronchodilator FEV(1) were 41 ml/year (placebo) compared with 34 ml/year (tiotropium) (p = 0.34). The hazard ratio (95%CI) for an exacerbation in the younger age group was 0.87(0.68, 1.13)). The rate of exacerbations was reduced by tiotropium (rate ratio (95%CI) = 0.73(0.56, 0.95)). Tiotropium resulted in sustained bronchodilation, improved quality of life, and a decreased exacerbation rate in younger patients. Tiotropium also resulted in a significant reduction in the decline in post-bronchodilator FEV(1), suggesting possible disease modification by tiotropium in younger patients with COPD.Copyright © 2010 Elsevier Ltd. All rights reserved.

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