Faculty profile

Gregory Knoll

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Full ProfessorDepartment of MedicineUniversity of Ottawa

Gregory Knoll

Full Professor

Department of Medicine

Faculty of Medicine

University of Ottawa

Ottawa, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
11 publications in the last five years, latest in 2026.
Senior (last) author on 2 recent papers, a sign of leading a research group.
Principal investigator on 3 research grants (3 CIHR), most recently in 2014.
Supervisor on 1 trainee award (1 CIHR), most recently in 2014.

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

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Read how they describe their research on their University of Ottawa profile.

Clinical Research Observational Studies Randomized Trials Systematic Reviews

Latest papers

Association Between Sex and Kidney Transplant Referral, Living Donor Contacts, Waitlisting and Kidney Transplant: A Population-Based Cohort Study
Canadian Journal of Kidney Health and Disease · 2026
Predicting Three-Year Survival in Patients Receiving Maintenance Dialysis: An External Validation and Updated Multivariable Prediction Model for iChoose Kidney in Ontario, Canada
Canadian Journal of Kidney Health and Disease · 2026
Development and Validation of a Canadian Prediction Equation for Incident CKD Using Population-Based, Administrative Data.
Canadian journal of kidney health and disease · 2026

All 16 publications

Latest funding

Registration for Deceased Organ Donation in Family Physician Offices
CIHR · 2016 · Co-investigator
$97,987
WHAT IS THE EVIDENCE BEHIND THE RECOMMENDATION OF WITHHOLDING CERTAIN MEDICATION BEFORE CONTRAST PROCEDURES? A SYSTEMATIC REVIEW OF THE EVIDENCE.
CIHR · 2016 · Co-investigator
$99,000
Tranexamic acid during cystectomy trial (TACT)
CIHR · 2015 · Co-investigator
$394,050

All 11 grants and awards

16 publications.

Association Between Sex and Kidney Transplant Referral, Living Donor Contacts, Waitlisting and Kidney Transplant: A Population-Based Cohort Study

Naylor KL, Zitoun N, Smith G, Romain J, Garg AX, Roberston-Hogg K, Knoll G, Kim SJ, Yoahnna S, Weir M

Canadian Journal of Kidney Health and Disease2026

DOI: 10.1177/20543581261455328

Predicting Three-Year Survival in Patients Receiving Maintenance Dialysis: An External Validation and Updated Multivariable Prediction Model for iChoose Kidney in Ontario, Canada

Naylor KL, Kang Y, McArthur E, Garg AX, Patzer RE, McKenzie S, Kim SJ, Weir M, Yohanna S, Knoll G

Canadian Journal of Kidney Health and Disease2026

DOI: 10.1177/20543581261437298

Development and Validation of a Canadian Prediction Equation for Incident CKD Using Population-Based, Administrative Data.

Sood MM, Dixon SN, Bota SE, Ferguson TW, Hundemer GL, Akbari A, Manuel DG, Knoll G, Tangri N

Canadian journal of kidney health and disease2026

DOI: 10.1177/20543581261439677 PMID: 42136689

Variation in Kidney Transplant Referral, Living Donor Contacts, Waitlisting, and Kidney Transplant Across Regional Renal Programs in Ontario, Canada: A Population-Based Cohort Study

Naylor KL, Yohanna S, Smith G, Garg AX, Elliott L, Knoll G, Kim SJ, Weir M

Canadian Journal of Kidney Health and Disease20253 citations

DOI: 10.1177/20543581251346048

Defining Referral for a Kidney Transplant Evaluation as a Quality Indicator: A Population-Based Cohort Study

Naylor KL, Kim SJ, Luo B, Wang C, Garg AX, Yohanna S, Treleaven D, McKenzie S, Ip J, Cooper R

Canadian Journal of Kidney Health and Disease2025Senior author

DOI: 10.1177/20543581251317009

Defining pre-emptive living kidney donor transplantation as a quality indicator

Wang C, Garg AX, Luo B, Kim SJ, Knoll G, Yohanna S, Treleaven D, McKenzie S, Ip J, Cooper R

American Journal of Transplantation20241 citations

DOI: 10.1016/j.ajt.2024.02.017

Development and Validation of a Predictive Risk Algorithm for Bleeding in Individuals on Long-term Hemodialysis: An International Prospective Cohort Study (BLEED-HD)

Madken M, Mallick R, Rhodes E, Mahdavi R, Eddeen AB, Hundemer GL, Kelly DM, Karaboyas A, Robinson B, Bieber B

Canadian Journal of Kidney Health and Disease202310 citations

DOI: 10.1177/20543581231169610

Calcineurin Inhibition in Deceased Organ Donors: A Systematic Review and Meta-analysis of Preclinical Studies

D’Aragon F, Rousseau W, Breau R, Aminaei D, Ichai C, Boyd GJ, Burns KEA, Cardinal H, Carrier F-M, Chassé M

Transplantation Direct20232 citations

DOI: 10.1097/txd.0000000000001519

Risk of venous thromboembolism or hemorrhage among individuals with chronic kidney disease on prophylactic anticoagulant after hip or knee arthroplasty.

Wang TF, Grubic N, Carrier M, Canney M, Delluc A, Hundemer GL, Knoll G, Lazo-Langner A, Massicotte-Azarniouch D, Tanuseputro P, Sood MM

American journal of hematology2023

DOI: 10.1002/ajh.26994 PMID: 37340812

Impact of Donation Physicians on Deceased Organ Donation: A Systematic Review.

Squires JE, Aloisio LD, Santos WJ, Cho-Young D, Taljaard M, Gritters N, Dhanani S, Knoll G

Canadian journal of kidney health and disease2022Senior author

DOI: 10.1177/20543581221107751 PMID: 35756331

Registration for Deceased Organ Donation in Family Physician Offices

Co-investigatorCIHR2016Catalyst Grant: SPOR Innovative Clinical Trials (iCT)

Principal investigators: Presseau, Justin; Mitchell, Joanna; Prakash, Versha; Garg, Amit; Grimshaw, Jeremy M

Keywords: Health Behaviour Change; Health Services Research; Innovative Clinical Trial; Organ And Tissue Donation; Primary Care; Stepped-Wedge

$97,987

WHAT IS THE EVIDENCE BEHIND THE RECOMMENDATION OF WITHHOLDING CERTAIN MEDICATION BEFORE CONTRAST PROCEDURES? A SYSTEMATIC REVIEW OF THE EVIDENCE.

Co-investigatorCIHR2016Knowledge Synthesis Grant

Principal investigators: Hiremath, Swapnil; Chow, Benjamin

Keywords: Acute Kidney Injury; Contrast Media; Drug Discontinuation; Systematic Review

$99,000

Tranexamic acid during cystectomy trial (TACT)

Co-investigatorCIHR2015Operating Grant

Principal investigators: Breau, Rodney H; Cagiannos, Ilias; Momoli, Franco

Keywords: Blood Conservation; Cystectomy; Randomized Controlled Trial; Systemic Antihemorrhagics; Tranexamic Acid

$394,050

Variation in the management of kidney transplant recipients and its impact on clinical outcomes

SupervisorCIHR2014KRESCENT / CIHR Fellowship

Principal investigators: Tsampalieros, Anne K

Keywords: Administrative Databases; Graft And Patient Survival; Kidney Tranplantation; Population Based Cohort; Regression Modeling; Risk Factor

$65,000

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

A Research Program to Improve Patient Outcomes in Kidney Transplantation

Nominated PICIHR2014Foundation Grant

Principal investigators: Knoll, Gregory

Keywords: Clinical Research; Observational Studies; Randomized Trials; Systematic Reviews

$3,871,800

Ancillary testing for diagnosis of brain death: a systematic review and meta-analysis

Co-investigatorCIHR2013Knowledge Synthesis Grant

Principal investigators: Fergusson, Dean A; Martin, Claudio M

Keywords: Ancillary Testing; Brain Death; Critical Care; Determination Of Death; Knowledge Synthesis; Organ Donation; Systematic Review; Transplantation

$98,447

Adding clarity to uncertainty in the study of drug safety

Co-investigatorCIHR2012Operating Grant - PA: Drug Safety and Effectiveness (bridge funding)

Principal investigators: Hutton, Brian E

Keywords: Drug Safety; Meta-Analysis; Network Meta-Analysis

$100,000

Quinolone prophylaxis for the prevention of BK virus infection in kidney transplantation: A pilot study

Nominated PICIHR2010Operating Grant

Principal investigators: Knoll, Gregory; Gill, John S; Humar, Atul

Keywords: Bk Virus Infection; Kidney Transplantation; Quinolone; Randomized Controlled Trial

$461,463

A Randomized Controlled Trial of Renal Hypothermia during Partial Nephrectomy

Co-investigatorCIHR2010Operating Grant

Principal investigators: Cagiannos, Ilias; Breau, Rodney H; Fergusson, Dean A

Keywords: Clinical Trials; Cohort; Partial Nephrectomy; Randomized; Randomized Clinical Trial; Renal Cancer; Renal Function; Renal Hypothermia; Warm And Cold Ischemia

$335,522

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

Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Gregory Knoll

Research

Latest papers

Latest funding

Association Between Sex and Kidney Transplant Referral, Living Donor Contacts, Waitlisting and Kidney Transplant: A Population-Based Cohort Study

Predicting Three-Year Survival in Patients Receiving Maintenance Dialysis: An External Validation and Updated Multivariable Prediction Model for iChoose Kidney in Ontario, Canada

Development and Validation of a Canadian Prediction Equation for Incident CKD Using Population-Based, Administrative Data.

Variation in Kidney Transplant Referral, Living Donor Contacts, Waitlisting, and Kidney Transplant Across Regional Renal Programs in Ontario, Canada: A Population-Based Cohort Study

Defining Referral for a Kidney Transplant Evaluation as a Quality Indicator: A Population-Based Cohort Study

Defining pre-emptive living kidney donor transplantation as a quality indicator

Development and Validation of a Predictive Risk Algorithm for Bleeding in Individuals on Long-term Hemodialysis: An International Prospective Cohort Study (BLEED-HD)

Calcineurin Inhibition in Deceased Organ Donors: A Systematic Review and Meta-analysis of Preclinical Studies

Risk of venous thromboembolism or hemorrhage among individuals with chronic kidney disease on prophylactic anticoagulant after hip or knee arthroplasty.

Impact of Donation Physicians on Deceased Organ Donation: A Systematic Review.

Frequent collaborators

Sonny Dhanani

Amit Garg

Seychelle Yohanna

Darin Treleaven

Lauralyn McIntyre

Matthew Weir

Frederick D'Aragon

Marcel Ruzicka

Peter Tanuseputro

Ayub Akbari

Tzu-Fei Wang

Brendan McCormick

Cedric Edwards

Juthaporn Cowan

Mohan Biyani

Markus Selzner

Alejandro Lazo-Langner

Peter Tanuseputro

Deborah Zimmerman

Marc Carrier

Marat Slessarev

Karen Burns

Ilias Cagiannos

Franco Momoli

Monica Taljaard

Navdeep Tangri

Amber Molnar

Alan Tinmouth

Bram Rochwerg

Simon Oczkowski

Maureen Meade

Steven Hanna