Faculty profile

Charles Weijer

ResearcherClinical EpidemiologyUniversity of Ottawa

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Ottawa directory, so their courses and email address may be missing. Find their university profile.

Charles Weijer

Researcher

Clinical Epidemiology

Health Sciences

University of Ottawa

Ottawa, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
1 publication in the last five years, latest in 2024.
Principal investigator on 2 research grants (2 CIHR), most recently in 2016.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Citations

Collaborators

Grants

Publications by year

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Signals and details

Research

Cluster Randomized Trials Informed Consent Comparative Effectiveness Research Ethics Harms And Benefits Pragmatic Randomized Controlled Trials Quality Improvement Registry Trials

Latest papers

Ethical Challenges Associated with Pragmatic and Cluster RCTs.
The New England journal of medicine · 2024 · first author
Variability in research ethics review of cluster randomized trials: a scenario-based survey in three countries.
Trials · 2014
Survey of consent practices in cluster randomized trials: improvements are needed in ethical conduct and reporting.
Clinical trials (London, England) · 2014

All 7 publications

Latest funding

The TOPGUN trial: Threshold for OPerative hemoGlobin trigger for red blood cell transfUsioN
CIHR · 2026 · Co-investigator
$4,039,200
Targeting misinformation-associated health behaviours: Using the tools of implementation science.
CIHR · 2024 · Co-investigator
$983,024
Using behavioural science to understand and improve participation in clinical trials: A theory-based research project.
CIHR · 2019 · Co-investigator
$963,900

All 8 grants and awards

7 publications.

Ethical Challenges Associated with Pragmatic and Cluster RCTs.

Weijer C, Taljaard M

The New England journal of medicine2024First author

DOI: 10.1056/nejmp2403550 PMID: 39282923

Variability in research ethics review of cluster randomized trials: a scenario-based survey in three countries.

Taljaard M, Brehaut JC, Weijer C, Boruch R, Donner A, Eccles MP, McRae AD, Saginur R, Zwarenstein M, Grimshaw JM

Trials2014

DOI: 10.1186/1745-6215-15-48 PMID: 24495542

Survey of consent practices in cluster randomized trials: improvements are needed in ethical conduct and reporting.

Taljaard M, Chaudhry SH, Brehaut JC, Weijer C, Boruch R, Donner A, Eccles MP, McRae AD, Saginur R, Zwarenstein M, Grimshaw JM

Clinical trials (London, England)2014

DOI: 10.1177/1740774513513658 PMID: 24346609

The Ottawa Statement on the ethical design and conduct of cluster randomised trials: precis for researchers and research ethics committees.

Taljaard M, Weijer C, Grimshaw JM, Eccles MP, Ottawa Ethics of Cluster Randomised Trials Consensus Group

BMJ (Clinical research ed.)2013

DOI: 10.1136/bmj.f2838 PMID: 23661113

Challenges in the research ethics review of cluster randomized trials: international survey of investigators.

Chaudhry SH, Brehaut JC, Grimshaw JM, Weijer C, Boruch R, Donner A, Eccles MP, McRae AD, Saginur R, Skea ZC, Zwarenstein M, Taljaard M

Clinical trials (London, England)2013

DOI: 10.1177/1740774513475530 PMID: 23539109

Inadequate reporting of research ethics review and informed consent in cluster randomised trials: review of random sample of published trials.

Taljaard M, McRae AD, Weijer C, Bennett C, Dixon S, Taleban J, Skea Z, Eccles MP, Brehaut JC, Donner A, Saginur R, Boruch RF, Grimshaw JM

BMJ (Clinical research ed.)2011

DOI: 10.1136/bmj.d2496 PMID: 21562003

Ethical and policy issues in cluster randomized trials: rationale and design of a mixed methods research study

Taljaard M, Weijer C, Grimshaw JM, Belle Brown J, Binik A, Boruch R, Brehaut JC, Chaudhry SH, Eccles MP, McRae A

Trials200943 citations

DOI: 10.1186/1745-6215-10-61

The TOPGUN trial: Threshold for OPerative hemoGlobin trigger for red blood cell transfUsioN

Co-investigatorCIHR2026Project Grant

Principal investigators: Martel, Guillaume; Breau, Rodney H; Carrier, François M; McGinn, Ryan N; McIsaac, Daniel I; Taljaard, Monica; Turgeon, Alexis F; Verret, Michael

Keywords: Anesthesiology; Blood Transfusion; Cancer Outcomes; Perioperative Care; Perioperative Complications; Surgery

$4,039,200

Targeting misinformation-associated health behaviours: Using the tools of implementation science.

Co-investigatorCIHR2024Project Grant

Principal investigators: Brehaut, Jamie C; Presseau, Justin

Keywords: Ethics; Implementation Science; Misinformation; Mixed Methods; Public Health; Public Health Interventions; Scoping Review

$983,024

Using behavioural science to understand and improve participation in clinical trials: A theory-based research project.

Co-investigatorCIHR2019Project Grant

Principal investigators: Brehaut, Jamie C; Marlin, Susan

Keywords: Behavioural Theory; Clinical Trials; Informed Consent; Recruitment; Shared Decision-Making

$963,900

Crystalloid FLUID Choices for Resuscitation of Hospitalized Patients: A Pragmatic Comparative Effectiveness Trial (FLUID)

Co-investigatorCIHR2018Project Grant

Principal investigators: McIntyre, Lauralyn A; Fergusson, Dean A; Taljaard, Monica

Keywords: Cluster Cross-Over Randomized Controlled Trial; Comparative Effectiveness Trial; Crystalloid Fluid; Fluid Therapy; Normal Saline; Resuscitation; Ringers Lactate

$374,851

Developing a framework for the ethical design and conduct of pragmatic trials to improve the quality and value of health care systems and practices

Principal investigatorCIHR2016Project Grant

Principal investigators: Taljaard, Monica; Fergusson, Dean A; Klassen, Terry P; Weijer, Charles E

Keywords: Cluster Randomized Trials; Comparative Effectiveness Research; Ethics; Harms And Benefits; Informed Consent; Pragmatic Randomized Controlled Trials; Quality Improvement; Registry Trials; Standard Of Care Trials; Stepped Wedge Trials

$780,300

Promoting implementation of evidence-based care

Co-investigatorCIHR2014Foundation Grant

Principal investigators: Grimshaw, Jeremy M

Keywords: Behavioural Science; Cluster Randomised Trials; Complex Interventions; Health Services Research; Implementation Research; Integrated Knowledge Translation; Knowledge Synthesis; Knowledge Translation; Quality Improvement; Quasi Experimental Studies

$2,128,006

International dissemination of the Ottawa Statement on the Ethical Conduct and Ethics Review of Cluster Randomized Trials

Principal investigatorCIHR2012Dissemination Events - Priority Announcement: Ethics

Principal investigators: Taljaard, Monica; Grimshaw, Jeremy M; Weijer, Charles E

Keywords: Cluster Randomized Trials; Health Services Research; Implementation Research; Informed Consent; Randomized Controlled Trials; Research Ethics; Research Ethics Committees; Research Ethics Guidelines

$25,000

Setting a research agenda for quality assessment in research ethics review

Co-investigatorCIHR2012Planning Grants - Priority Announcement: Ethics

Principal investigators: Brehaut, Jamie C; Nicholls, Stuart G

Keywords: Assessment; Discussion; Evaluation; Quality; Research; Research Ethics

$24,732

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Charles Weijer

Research

Latest papers

Latest funding

Ethical Challenges Associated with Pragmatic and Cluster RCTs.

Variability in research ethics review of cluster randomized trials: a scenario-based survey in three countries.

Survey of consent practices in cluster randomized trials: improvements are needed in ethical conduct and reporting.

The Ottawa Statement on the ethical design and conduct of cluster randomised trials: precis for researchers and research ethics committees.

Challenges in the research ethics review of cluster randomized trials: international survey of investigators.

Inadequate reporting of research ethics review and informed consent in cluster randomised trials: review of random sample of published trials.

Ethical and policy issues in cluster randomized trials: rationale and design of a mixed methods research study

The TOPGUN trial: Threshold for OPerative hemoGlobin trigger for red blood cell transfUsioN

Targeting misinformation-associated health behaviours: Using the tools of implementation science.

Using behavioural science to understand and improve participation in clinical trials: A theory-based research project.

Crystalloid FLUID Choices for Resuscitation of Hospitalized Patients: A Pragmatic Comparative Effectiveness Trial (FLUID)

Developing a framework for the ethical design and conduct of pragmatic trials to improve the quality and value of health care systems and practices

Promoting implementation of evidence-based care

International dissemination of the Ottawa Statement on the Ethical Conduct and Ethics Review of Cluster Randomized Trials

Setting a research agenda for quality assessment in research ethics review

Frequent collaborators

Raphael Saginur

Charles Weijer

Monica Taljaard

Ariella Binik

Ariella Binik

Monica Taljaard