World's Best Scientists 2026 revealed!

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Medicine

D-Index
96
Citations
34993
World Ranking
9631
National Ranking
379

Overview

Felix Ratjen is affiliated with the University of Toronto in Canada and has contributed extensively to the field of Medicine, with a strong focus on Pulmonary and Respiratory Medicine. Their research portfolio includes specialization in related subfields such as Atomic and Molecular Physics, and Optics, Physiology, Emergency Medical Services, and Genetics.

The scientist's work encompasses a range of topics predominantly centered on respiratory diseases and conditions. Key topics in their research include:

  • Cystic Fibrosis Research Advances
  • Neonatal Respiratory Health Research
  • Tracheal and Airway Disorders
  • Atomic and Subatomic Physics Research
  • Asthma and Respiratory Diseases
  • Pediatric Health and Respiratory Diseases
  • Chronic Obstructive Pulmonary Disease (COPD) Research

Felix Ratjen has published in multiple scientific venues with repeated appearances in prominent journals. Frequent publication venues include:

  • Journal of Cystic Fibrosis
  • Annals of the American Thoracic Society
  • Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
  • Pediatric Pulmonology
  • European Respiratory Journal

The following recent papers provide insight into their research focus:

  • "Second International Guidelines for the Diagnosis and Management of Hereditary Hemorrhagic Telangiectasia," 2020, Annals of Internal Medicine
  • "Cystic Fibrosis," 2023, New England Journal of Medicine
  • "Efficacy and Safety of Elexacaftor/Tezacaftor/Ivacaftor in Children 6 Through 11 Years of Age with Cystic Fibrosis Heterozygous for F508del and a Minimal Function Mutation: A Phase 3b, Randomized, Placebo-controlled Study," 2022, American Journal of Respiratory and Critical Care Medicine
  • "Discontinuation versus continuation of hypertonic saline or dornase alfa in modulator treated people with cystic fibrosis (SIMPLIFY): results from two parallel, multicentre, open-label, randomised, controlled, non-inferiority trials," 2022, The Lancet Respiratory Medicine
  • "Elexacaftor/tezacaftor/ivacaftor and gastrointestinal outcomes in cystic fibrosis: Report of promise-GI," 2022, Journal of Cystic Fibrosis

Felix Ratjen frequently collaborates with various researchers in their field. Notable co-authors include:

  • Giles Santyr
  • Michelle Shaw
  • Sanja Stanojevic
  • Brandon Zanette
  • Hartmut Grasemann

Best Publications

  • A CFTR potentiator in patients with cystic fibrosis and the G551D mutation

    Bonnie W. Ramsey;Jane Davies;N. Gerard McElvaney;Elizabeth Tullis

  • Consensus statement for inert gas washout measurement using multiple- and single- breath tests

    Paul D. Robinson;Philipp Latzin;Sylvia Verbanck;Graham L. Hall

  • European Cystic Fibrosis Society Standards of Care: Best Practice guidelines

    Alan R. Smyth;Scott C. Bell;Snezana Bojcin;Mandy Bryon

  • ECFS best practice guidelines: the 2018 revision

    Carlo Castellani;Alistair J.A. Duff;Alistair J.A. Duff;Scott C. Bell;Harry G.M. Heijerman

  • Bronchoalveolar lavage in children. ERS Task Force on bronchoalveolar lavage in children. European Respiratory Society.

    J de Blic;F Midulla;A Barbato;A Clement

  • The future of cystic fibrosis care: a global perspective

    Scott C Bell;Marcus A Mall;Hector Gutierrez;Milan Macek

  • Exhaled nitric oxide in pulmonary diseases: a comprehensive review.

    Peter J. Barnes;Raed A. Dweik;Arthur F. Gelb;Peter G. Gibson

  • Directed differentiation of human pluripotent stem cells into mature airway epithelia expressing functional CFTR protein.

    Amy P Wong;Christine E Bear;Stephanie Chin;Peter Pasceri

  • The Effect of Chronic Infection With Aspergillus fumigatus on Lung Function and Hospitalization in Patients With Cystic Fibrosis

    Reshma Amin;Annie Dupuis;Shawn D. Aaron;Felix Ratjen

  • Second International Guidelines for the Diagnosis and Management of Hereditary Hemorrhagic Telangiectasia.

    Marie E. Faughnan;Johannes J. Mager;Steven W. Hetts;Valerie A. Palda

  • Measurement of exhaled nitric oxide in children, 2001

    E. Baraldi;J. C. de Jongste;B. Gaston;K. Alving

  • Effect of azithromycin on pulmonary function in patients with cystic fibrosis uninfected with Pseudomonas aeruginosa: a randomized controlled trial.

    Lisa Saiman;Michael Anstead;Nicole Mayer-Hamblett;Larry C. Lands

  • Treatment of early Pseudomonas aeruginosa infection in patients with cystic fibrosis: the ELITE trial

    Felix Ratjen;Anne Munck;Pearl Kho;Gerhild Angyalosi

  • Exposure to household furry pets influences the gut microbiota of infants at 3–4 months following various birth scenarios

    Hein M. Tun;Theodore Konya;Tim K. Takaro;Jeffrey R. Brook

  • Cystic fibrosis pulmonary guidelines: pulmonary complications: hemoptysis and pneumothorax.

    Patrick A. Flume;Peter J. Mogayzel;Karen A. Robinson;Randall L. Rosenblatt

  • Flexible endoscopy of paediatric airways

    F Midulla;J De Blic;Angelo Barbato;A Bush

  • Distinct spectrum of CFTR gene mutations in congenital absence of vas deferens

    Thilo Dörk;Bernd Dworniczak;Christa Aulehla-Scholz;Dagmar Wieczorek

  • Efficacy and safety of lumacaftor and ivacaftor in patients aged 6-11 years with cystic fibrosis homozygous for F508del-CFTR: a randomised, placebo-controlled, phase 3 trial

    Felix Ratjen;Christopher Hug;Gautham Marigowda;Simon Tian

  • Effect of inhaled tobramycin on early Pseudomonas aeruginosa colonisation in patients with cystic fibrosis

    Felix Ratjen;Gerd Döring;Wilfried H Nikolaizik

  • Assessment of clinical response to ivacaftor with lung clearance index in cystic fibrosis patients with a G551D-CFTR mutation and preserved spirometry: a randomised controlled trial

    Jane Davies;Helen Sheridan;Nicholas Bell;Steve Cunningham

Frequent Co-Authors

Margaret Rosenfeld
Margaret Rosenfeld University of Washington
Malcolm R. Sears
Malcolm R. Sears McMaster University
Gerd Döring
Gerd Döring University of Tübingen
J. Stuart Elborn
J. Stuart Elborn Queen's University Belfast
Stuart E. Turvey
Stuart E. Turvey University of British Columbia
Pierre-Yves Boëlle
Pierre-Yves Boëlle Sorbonne University
Annick Clement
Annick Clement Université Paris Cité
Steven M. Rowe
Steven M. Rowe University of Alabama at Birmingham
Allan B. Becker
Allan B. Becker University of Manitoba
Michael S. Kobor
Michael S. Kobor University of British Columbia

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