Impact of chronic obstructive pulmonary disease and dyspnoea on clinical outcomes in ticagrelor treated patients undergoing percutaneous coronary intervention in the randomized GLOBAL LEADERS trial.
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Tomaniak Mariusz, Chichareon Ply, Takahashi Kuniaki, Kogame Norihiro, Modolo Rodrigo, Chang Chun Chin, Spitzer Ernest, Neumann Franz-Josef, Plante Sylvain, Hernández Antolin Rosana, Jambrik Zoltan, Gelev Valeri, Brunel Philippe, Konteva Mariana, Beygui Farzin, Morelle Jean-Francois, Filipiak Krzysztof J, van Geuns Robert-Jan, Soliman Osama, Tijssen Jan, Rademaker-Havinga Tessa, Storey Robert F, Hamm Christian, Steg Philippe Gabriel, Windecker Stephan, Onuma Yoshinobu, Valgimigli Marco, Serruys Patrick W, GLOBAL LEADERS Study Investigators
Аннотация
METHODS AND RESULTS: This is a non-prespecified, post hoc analysis of the randomized GLOBAL LEADERS trial (n = 15 991), comparing the experimental strategy of 23-month ticagrelor monotherapy following 1-month dual antiplatelet therapy (DAPT) after PCI with the reference strategy of 12-month DAPT followed by 12-month aspirin monotherapy. Impact of COPD and dyspnoea AE (as a time-dependent covariate) on clinical outcomes was evaluated up to 2 years. The primary endpoint was a 2-year all-cause mortality or non-fatal, centrally adjudicated, new Q-wave myocardial infarction. The presence of COPD (n = 832) was the strongest clinical predictor of 2-year all-cause mortality after PCI [hazard ratio (HR) 2.84; 95% confidence interval (CI) 2.21-3.66; P adjusted = 0.001] in this cohort (n = 15 991). No differential treatment effects on 2-year clinical outcomes were found in patients with and without COPD (primary endpoint: HR 0.88; 95% CI 0.58-1.35; P = 0.562; P int = 0.952). Overall, at 2 years dyspnoea was reported as an AE in 2101 patients, more frequently among COPD patients, irrespective of treatment allocation (27.2% in experimental arm vs. 14.5% in reference arm, P = 0.001). Its occurrence was not associated with a higher rate of the primary endpoint (P adjusted = 0.640) in the experimental vs. the reference arm.
CONCLUSION: In this exploratory analysis, COPD negatively impacted long-term prognosis after PCI. Despite higher incidence of dyspnoea in the experimental arm, in particular among COPD patients, the safety of the experimental treatment strategy appeared not to be affected.
CLINICAL TRIAL REGISTRATION UNIQUE IDENTIFIER: NCT01813435.