Ratjen Lab<\/h1><\/div><\/div><\/div>Studying new therapies to improve patients’ outcomes<\/p>\n<\/div><\/div><\/div>
![](\"https:\/\/lab.research.sickkids.ca\/ratjen\/wp-content\/uploads\/sites\/39\/2025\/01\/smokey-lungs-edit.png\" "\\"smokey")
<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>Our Mission<\/h2>\n<\/div><\/div><\/div>We aim to conduct clinically relevant studies that have a direct impact on patients\u2019 lives. The Ratjen Lab is a multidisciplinary group of scientists, respiratory therapists, nurses, statisticians and research staff who work<\/span> together to conduct interventional and observational studies. Our research at The Hospital for Sick Children (SickKids) focuses on evaluating novel treatments, designing new ways to conduct research and investigating how we can better measure and monitor lung function in young children.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>![\"Photo](\"https:\/\/lab.research.sickkids.ca\/ratjen\/wp-content\/uploads\/sites\/39\/2024\/11\/cropped-headshot.jpg\" "\\"cropped")
<\/span><\/div><\/div><\/div>Felix Ratjen<\/h2>\n<\/div><\/div><\/div>MD, PhD, FRCPC, FERS\u00a0<\/span><\/p>\n<\/div>The Ratjen Lab is led by Dr. Felix Ratjen, a Paediatric Respirologist in the Division of Respiratory Medicine at SickKids and Professor of Paediatrics at the University of Toronto. He is also the Program Head and a Senior Scientist in the Translational Medicine research program at the SickKids Research Institute. He is co-leading the Cystic Fibrosis (CF) Centre<\/a> at SickKids.<\/span><\/p>\n<\/div>
Studying new therapies to improve patients’ outcomes<\/p>\n<\/div><\/div><\/div>
<\/span><\/div><\/div><\/div><\/div><\/div>Our Mission<\/h2>\n<\/div><\/div><\/div>We aim to conduct clinically relevant studies that have a direct impact on patients\u2019 lives. The Ratjen Lab is a multidisciplinary group of scientists, respiratory therapists, nurses, statisticians and research staff who work<\/span> together to conduct interventional and observational studies. Our research at The Hospital for Sick Children (SickKids) focuses on evaluating novel treatments, designing new ways to conduct research and investigating how we can better measure and monitor lung function in young children.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/div><\/div><\/div>Felix Ratjen<\/h2>\n<\/div><\/div><\/div>MD, PhD, FRCPC, FERS\u00a0<\/span><\/p>\n<\/div>The Ratjen Lab is led by Dr. Felix Ratjen, a Paediatric Respirologist in the Division of Respiratory Medicine at SickKids and Professor of Paediatrics at the University of Toronto. He is also the Program Head and a Senior Scientist in the Translational Medicine research program at the SickKids Research Institute. He is co-leading the Cystic Fibrosis (CF) Centre<\/a> at SickKids.<\/span><\/p>\n<\/div>
We aim to conduct clinically relevant studies that have a direct impact on patients\u2019 lives. The Ratjen Lab is a multidisciplinary group of scientists, respiratory therapists, nurses, statisticians and research staff who work<\/span> together to conduct interventional and observational studies. Our research at The Hospital for Sick Children (SickKids) focuses on evaluating novel treatments, designing new ways to conduct research and investigating how we can better measure and monitor lung function in young children.<\/p>\n<\/div><\/div><\/div><\/div><\/div> MD, PhD, FRCPC, FERS\u00a0<\/span><\/p>\n<\/div> The Ratjen Lab is led by Dr. Felix Ratjen, a Paediatric Respirologist in the Division of Respiratory Medicine at SickKids and Professor of Paediatrics at the University of Toronto. He is also the Program Head and a Senior Scientist in the Translational Medicine research program at the SickKids Research Institute. He is co-leading the Cystic Fibrosis (CF) Centre<\/a> at SickKids.<\/span><\/p>\n<\/div><\/span><\/div><\/div><\/div>Felix Ratjen<\/h2>\n<\/div>