Faculty profile

Andy Freitag

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Professor EmeritusMedicineMcMaster University

Research

Research areas, by share of publications

Research areas are derived from OpenAlex topics of their publications.

69 publications.

01

Coenrollment in a critical care trial: Characteristics and consequences

Clarke F, Hand L, Deane A, Zytaruk N, Hardie M, Arabi Y, Al-Fares A, Heels-Ansdell D, Dechert W, Ostermann M

Contemporary Clinical Trials20254 citations
DOI: 10.1016/j.cct.2025.107938
02

The Effects of Diabetes on Gas Transfer Capacity, Lung Volumes, Muscle Strength, and Cardio-pulmonary Responses During Exercise

Priel E, Ali E, Brister D, Diab N, Freitag A, O’Byrne PM, Gerstein H, Killian KJ, Satia I

Lung20241 citations
DOI: 10.1007/s00408-024-00744-9
03

Enrolment patterns in a randomized controlled trial of probiotics in critically ill patients: a retrospective analysis of the PROSPECT trial

Takaoka A, Johnstone J, Lauzier F, Heels-Ansdell D, Davis M, Zytaruk N, Duan E, Dionne J, Saunders L, Arabi YM

Trials20241 citationsOpen Access
DOI: 10.1186/s13063-024-08701-wPMID: W4405828412
04

The effects of diabetes on gas transfer capacity, lung volumes, muscle strength and cardio- pulmonary responses during exercise

Ali E, Priel E, Brister D, Diab N, Freitag A, O’Byrne PM, Gerstein H, Killian KJ, Satia I

2024
DOI: 10.21203/rs.3.rs-4487541/v1
05

The added value of haemoglobin to height, age, and sex to predict DLCO in subjects with preserved exercise capacity

Priel E, Diab N, Patel M, Wahab M, Freitag A, O’Byrne PM, Killian KJ, Satia I

PLoS ONE20233 citationsOpen Access
DOI: 10.1371/journal.pone.0289540PMID: W4385655366
06

Reply to “Be smart in choosing antihistamines”

Chu DK, Freitag T, Marrin A, Walker TD, Avilla E, Freitag A, Spill P, Foster GA, Thabane L, Jordana M

Journal of Allergy and Clinical Immunology: In Practice2023Open Access
DOI: 10.1016/j.jaip.2023.01.047PMID: W4362662613
07

Peanut Oral Immunotherapy With or Without H1 and H2 Antihistamine Premedication for Peanut Allergy (PISCES): A Placebo-Controlled Randomized Clinical Trial

Chu DK, Freitag T, Marrin A, Walker TD, Avilla E, Freitag A, Spill P, Foster GA, Thabane L, Jordana M

Journal of Allergy and Clinical Immunology: In Practice202222 citations
DOI: 10.1016/j.jaip.2022.05.015
08

Diabetes Mellitus: Contribution to Pulmonary Impairment and Disability

Ali E, Priel E, Jones GL, Freitag AP, O'Byrne P, Killian KJ, Satia I

American Journal of Respiratory and Critical Care Medicine2022
DOI: 10.1164/ajrccm-conference.2022.205.1_meetingabstracts.a1045
09

The Impact of beta blockade on the cardio-respiratory system and symptoms during exercise

Priel E, Wahab M, Mondal T, Freitag A, O'Byrne PM, Killian KJ, Satia I

Current Research in Physiology202145 citations
DOI: 10.1016/j.crphys.2021.10.002
10

Exercise-induced bronchoconstriction and bronchodilation: investigating the effects of age, sex, airflow limitation and FEV1

Satia I, Priel E, Al-Khazraji BK, Jones G, Freitag A, O'Byrne PM, Killian KJ

European Respiratory Journal202110 citationsOpen Access
DOI: 10.1183/13993003.04026-2020PMID: W3121086637

Frequent collaborators

66
Andy FreitagDeborah CookMaureen MeadeDiane Heels-AnsdellEldar PrielGordon GuyattImran SatiaKieran KillianMark CrowtherPaul O'ByrneAlexandra PapaioannouGeorge Ioannidis
Co-authors at McMaster University. Thicker lines mean more shared papers.Explore the network

Deborah Cook

Medicine

22 shared papers, latest 2025

Maureen Meade

Medicine

12 shared papers, latest 2017

Diane Heels-Ansdell

Health Research Methods, Evidence, and Impact

10 shared papers, latest 2025

Imran Satia

Medicine

8 shared papers, latest 2024

Paul O'Byrne

Medicine

8 shared papers, latest 2023

Kieran Killian

Medicine

8 shared papers, latest 2024

Researchers with similar interests

Roman Jaeschke

Medicine

Health Systems, Economic Evaluations, Quality of Life, Sepsis Diagnosis and Treatment

Linda Pedder

Pediatrics

Cystic Fibrosis Research Advances

Anne Marie Holbrook

Medicine

Health Systems, Economic Evaluations, Quality of Life, Venous Thromboembolism Diagnosis and Management

Andrea Darzi

Anesthesia

Health Systems, Economic Evaluations, Quality of Life, Venous Thromboembolism Diagnosis and Management

Patricia Chia-Ying Liaw

Medicine

Sepsis Diagnosis and Treatment, Venous Thromboembolism Diagnosis and Management

Wojtek Wiercioch

Health Research Methods, Evidence, and Impact

Health Systems, Economic Evaluations, Quality of Life, Venous Thromboembolism Diagnosis and Management

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Applying for
Subject: Prospective PhD student: Cystic Fibrosis Research Advances Dear Professor Freitag, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Coenrollment in a critical care trial: Characteristics and consequences" (2025), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]
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