The purpose of this study is to compare the effects of e-cigarettes and continued smoking on pulmonary and cardiac outcomes in a population with established pulmonary disease.
Age range
40 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Baseline FEV1/FVC Ratio
Timeframe: Intake assessment
Change from Baseline FEV1/FVC Ratio each day
Timeframe: Daily through study completion, an average of 4 weeks
Change from Baseline FEV1/FVC Ratio at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change from Baseline FEV1/FVC Ratio at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment
Baseline Lung Reactance at 5Hz (X5)
Timeframe: Intake assessment
Change from Baseline Lung Reactance at 5Hz (X5) at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change from Baseline Lung Reactance at 5Hz (X5) at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment
Baseline Lung Resistance at 5Hz and 19Hz (R5 and R19)
Timeframe: Intake assessment
Change from Baseline Lung Resistance at 5Hz and 19Hz (R5 and R19) at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change from Baseline Lung Resistance at 5Hz and 19Hz (R5 and R19) at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment
Baseline Oxygen Saturation (SpO2)
Timeframe: Intake assessment
Change from Baseline Oxygen Saturation (SpO2) each day
Timeframe: Daily through study completion, an average of 4 weeks
Change from Baseline Oxygen Saturation (SpO2) at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change from Baseline Oxygen Saturation (SpO2) at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment
Baseline Fractional Exhaled Nitric Oxide (FeNO)
Timeframe: Intake assessment
Change From Baseline Fractional Exhaled Nitric Oxide (FeNO) at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change From Baseline Fractional Exhaled Nitric Oxide (FeNO) at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment
Baseline COPD Assessment Test Score
Timeframe: Intake assessment
Change from Baseline COPD Assessment Test Score at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change from Baseline COPD Assessment Test Score at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment
Baseline St. George's Respiratory Questionnaire for COPD Patients Score
Timeframe: Intake assessment
Change from Baseline St. George's Respiratory Questionnaire for COPD Patients Score at 2 weeks
Timeframe: Assessment completed 2 weeks after intake assessment
Change from Baseline St. George's Respiratory Questionnaire for COPD Patients Score at 4 weeks
Timeframe: Assessment completed 4 weeks after intake assessment