Impact of pre-enrolment medication use on clinical outcomes in SUMMIT
The impact of prior treatment on results of clinical trials in chronic obstructive pulmonary disease (COPD) has been debated. We used data from the Study to Understand Mortality and Morbidity in COPD Trial to examine the impact of prior treatment on the effects of randomised study drugs on mortality...
Main Authors: | , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
European Respiratory Society
2019-02-01
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Series: | ERJ Open Research |
Online Access: | http://openres.ersjournals.com/content/5/1/00203-2018.full |