Felix A. Ratjen
Expertise in
17
conditions

Felix A. Ratjen

555 University Avenue, M5G 1X8, 
Toronto, ON, CA 
Expertise in
17
conditions
555 University Avenue, M5G 1X8, 
Toronto, ON, CA 
OverviewLocationsClinical Research

Overview

Felix Ratjen practices in Toronto, Canada. Mr. Ratjen is highly rated in 17 conditions, according to our data. His top areas of expertise are Cystic Fibrosis, Pseudomonas Stutzeri Infections, Hereditary Hemorrhagic Telangiectasia, Telangiectasia, and Lung Transplant.

His clinical research consists of co-authoring 327 peer reviewed articles and participating in 6 clinical trials. MediFind looks at clinical research from the past 15 years.

Gender
Male

Locations

555 University Avenue, M5G 1X8, Toronto, ON, Canada
Other Locations
555 University Avenue, M5G 1XB, Toronto, ON, Canada

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Experts who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

6 Clinical Trials

Cerebral Hemorrhage Risk in Hereditary Hemorrhagic Telangiectasia (RDCRN# 6203, Protocol Version Date 07Jan10)
Cerebral Hemorrhage Risk in Hereditary Hemorrhagic Telangiectasia (RDCRN# 6203, Protocol Version Date 07Jan10)
Enrollment Status: Active_not_recruiting
Publish Date: April 08, 2025
Utilizing Hyperpolarized 129Xe Magnetic Resonance Imaging in Children With Primary Ciliary Dyskinesia
Utilizing Hyperpolarized 129Xe Magnetic Resonance Imaging in Children With Primary Ciliary Dyskinesia
Enrollment Status: Completed
Publish Date: October 23, 2023
A Multicenter, Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial to Evaluate Efficacy and Safety of Lenabasum in Cystic Fibrosis
A Multicenter, Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial to Evaluate Efficacy and Safety of Lenabasum in Cystic Fibrosis
Enrollment Status: Completed
Publish Date: January 18, 2023
Intervention Type: Drug, Other
Study Drug: Lenabasum
Study Phase: Phase 2
A Phase III, Randomized, Double-blind, Placebo-controlled Study of AeroVanc for the Treatment of Persistent Methicillin-resistant Staphylococcus Aureus Lung Infection in Cystic Fibrosis Patients
A Phase III, Randomized, Double-blind, Placebo-controlled Study of AeroVanc for the Treatment of Persistent Methicillin-resistant Staphylococcus Aureus Lung Infection in Cystic Fibrosis Patients
Enrollment Status: Completed
Publish Date: December 16, 2022
Intervention Type: Drug
Study Phase: Phase 3
Intrapleural DNase and Tissue Plasminogen Activator in Pediatric Empyema (DTPA Trial)
Intrapleural DNase and Tissue Plasminogen Activator in Pediatric Empyema (DTPA Trial)
Enrollment Status: Completed
Publish Date: April 14, 2020
Intervention Type: Drug, Other
Study Phase: Phase 3
Hyperpolarized Xenon MRI in Cystic Fibrosis Pulmonary Exacerbations
Hyperpolarized Xenon MRI in Cystic Fibrosis Pulmonary Exacerbations
Enrollment Status: Completed
Publish Date: October 04, 2018
View 5 Less Clinical Trials

326 Total Publications

Evolving cystic fibrosis care models in the modulator era.
Evolving cystic fibrosis care models in the modulator era.
Journal: Current opinion in pulmonary medicine
Published: September 08, 2025

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

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