Igor Karp, Western University

Research

Read how they describe their research on their Western University profile.

Latest papers

Mortality following cancer diagnosis among people with non-affective psychoses: mediation by stage at diagnosis and time to treatment initiation.
Social psychiatry and psychiatric epidemiology · 2026
Predictors of 30-Day Recurrent Emergency Department Visits for Hyperglycemia in Patients With Diabetes: A Multicentre Prospective Cohort Study.
Academic emergency medicine : official journal of the Society for Academic Emergency Medicine · 2025
Psychometric properties of patient-reported outcome measures in chronic pain conditions with central sensitization- a systematic review and meta-analysis.
Journal of patient-reported outcomes · 2025

All 34 publications

Latest funding

The risk of cancer among opioid users
CIHR · 2017 · Co-investigator
$141,526
The risk of community-acquired pneumonia among immunosuppressive opioids users
CIHR · 2014 · Co-investigator
$170,686
Occupational and selected nonoccupational risk factors for lung cancer: analysis of a case-control study in Montreal
CIHR · 2010 · Co-investigator
$850,621

All 4 grants and awards

34 publications.

01

Mortality following cancer diagnosis among people with non-affective psychoses: mediation by stage at diagnosis and time to treatment initiation.

Wootten JC, Richard L, Karp I, Blanchette PS, Solmi M, Anderson KK

Social psychiatry and psychiatric epidemiology2026

DOI: 10.1007/s00127-026-03063-x PMID: 41784654

02

Predictors of 30-Day Recurrent Emergency Department Visits for Hyperglycemia in Patients With Diabetes: A Multicentre Prospective Cohort Study.

Yan JW, Woods N, Van Aarsen K, Thorne J, Karp I, Spaic T, Liu SL, Stiell IG, Network of Canadian Emergency Researchers

Academic emergency medicine : official journal of the Society for Academic Emergency Medicine2025

DOI: 10.1111/acem.70133 PMID: 40859828

03

Psychometric properties of patient-reported outcome measures in chronic pain conditions with central sensitization- a systematic review and meta-analysis.

Akhter MF, Bobos P, Otalike EG, Tiwaa-Boateng NA, Firth AD, Karp I, Gagnier JJ

Journal of patient-reported outcomes2025

DOI: 10.1186/s41687-025-00919-9 PMID: 40643771

04

A multicenter prospective cohort study evaluating 30-day outcomes after an emergency department visit for hyperglycemia in Canadian adults with type 1 or 2 diabetes.

Yan JW, Van Aarsen K, Thorne J, Karp I, Spaic T, Liu SL, Woods N, Stiell IG, Network of Canadian Emergency Researchers (NCER)

CJEM2025

DOI: 10.1007/s43678-025-00913-6 PMID: 40279059

05

Sleep characteristics and recurrence in platinum-sensitive ovarian cancer survivors: A prospective cohort study.

Benoit M, Sylvestre MP, Datta G, Gilbert L, Ho V, Karp I, Lacaille J, Lau S, Samouëlian V, Koushik A

Gynecologic oncology reports2024

DOI: 10.1016/j.gore.2024.101540 PMID: 39554379

06

Periodontal disease as a risk factor for sporadic colorectal cancer: results from COLDENT study.

Idrissi Janati A, Karp I, Latulippe JF, Charlebois P, Emami E

Cancer causes & control : CCC2022

DOI: 10.1007/s10552-021-01541-y PMID: 35079924

07

Investigation of Fusobacterium Nucleatum in saliva and colorectal mucosa: a pilot study.

Idrissi Janati A, Karp I, Von Renteln D, Bouin M, Liu Y, Tran SD, Emami E

Scientific reports2022

DOI: 10.1038/s41598-022-09587-x PMID: 35379861

08

Targeting cancer stem cells with antibiotics inducing mitochondrial dysfunction as an alternative anticancer therapy.

Karp I, Lyakhovich A

Biochemical pharmacology2022First author

DOI: 10.1016/j.bcp.2022.114966 PMID: 35181313

09

The effect of gestational diabetes mellitus on the risk of asthma in offspring.

Nasreen S, Wilk P, Mullowney T, Karp I

Annals of epidemiology2021Senior author

DOI: 10.1016/j.annepidem.2021.02.003 PMID: 33596445

10

Effects of nocturnal wearing of dentures on the quality of sleep and oral-health-related quality in edentate elders with untreated sleep apnea: a randomized cross-over trial.

Emami E, Lavigne G, Feine JS, Karp I, Rompré PH, Almeida FR, Huynh NT

Sleep2021

DOI: 10.1093/sleep/zsab101 PMID: 33955479

The risk of cancer among opioid users

Co-investigatorCIHR2017Project Grant

Principal investigators: Velly, Ana Miriam

Keywords: Cancer; Nested Case-Control; Opioids

$141,526

The risk of community-acquired pneumonia among immunosuppressive opioids users

Co-investigatorCIHR2014Operating Grant

Principal investigators: Velly, Ana Miriam

Keywords: Clinical Practice Research Datalink (Cprd); Community-Acquired Pneumonia; Opioids

$170,686

Occupational and selected nonoccupational risk factors for lung cancer: analysis of a case-control study in Montreal

Co-investigatorCIHR2010Operating Grant

Principal investigators: Siemiatycki, Jack; Parent, Marie-Elise

Keywords: Cancer; Case-Control; Environment; Epidemiology; Etiology; Occupation; Risk Factors

$850,621

Development and validation of a lung cancer risk prediction model

Nominated PICIHR2008CIHR New Investigator

Principal investigators: Karp, Igor

Keywords: Case-Control Studies; Epidemiologic Research; Lung Cancer; Probability Functions; Risk Prediction; Screening

$300,000

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

Frequent collaborators

Department of Epidemiology and Biostatistics
Oncology
Restorative Dentistry
Cardiology
Medicine/Cardiology
Oral and Maxillofacial Surgery
Clinical Epidemiology
Other

Co-authors at Western University, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.

Piotr Wilk

Department of Epidemiology and Biostatistics

4 shared papers, latest 2021

Elham Emami

Restorative Dentistry

4 shared papers, latest 2022

George Thanassoulis

Medicine/Cardiology

3 shared papers, latest 2017

Michal Abrahamowicz

Clinical Epidemiology

2 shared papers, latest 2016

Amal Idrissi Janati

Oral and Maxillofacial Surgery

2 shared papers, latest 2022

Ivan Stevic

PATHOLOGY & LABORATORY MEDICINE, Western University

1 shared papers, latest 2021

Pavlos Bobos

School of Physical Therapy

1 shared papers, latest 2025

Malgorzata Miszkurka

Médecine sociale et préventive

1 shared papers, latest 2015

Amit Garg

Health Research Methods, Evidence, and Impact

1 shared papers, latest 2020

Write to this professor

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Applying for

Paper to mention

Subject: Prospective PhD student Dear Professor Karp, 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 "Mortality following cancer diagnosis among people with non-affective psychoses: mediation by stage at diagnosis and time to treatment initiation." (2026), 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]

Igor Karp

Research

Latest papers

Latest funding

Mortality following cancer diagnosis among people with non-affective psychoses: mediation by stage at diagnosis and time to treatment initiation.

Predictors of 30-Day Recurrent Emergency Department Visits for Hyperglycemia in Patients With Diabetes: A Multicentre Prospective Cohort Study.

Psychometric properties of patient-reported outcome measures in chronic pain conditions with central sensitization- a systematic review and meta-analysis.

A multicenter prospective cohort study evaluating 30-day outcomes after an emergency department visit for hyperglycemia in Canadian adults with type 1 or 2 diabetes.

Sleep characteristics and recurrence in platinum-sensitive ovarian cancer survivors: A prospective cohort study.

Periodontal disease as a risk factor for sporadic colorectal cancer: results from COLDENT study.

Investigation of Fusobacterium Nucleatum in saliva and colorectal mucosa: a pilot study.

Targeting cancer stem cells with antibiotics inducing mitochondrial dysfunction as an alternative anticancer therapy.

The effect of gestational diabetes mellitus on the risk of asthma in offspring.

Effects of nocturnal wearing of dentures on the quality of sleep and oral-health-related quality in edentate elders with untreated sleep apnea: a randomized cross-over trial.

The risk of cancer among opioid users

The risk of community-acquired pneumonia among immunosuppressive opioids users

Occupational and selected nonoccupational risk factors for lung cancer: analysis of a case-control study in Montreal

Development and validation of a lung cancer risk prediction model

Frequent collaborators

Elham Emami

Marie-Pierre Sylvestre

Piotr Wilk

Elham Emami

Louise Pilote

Louise Pilote

George Thanassoulis

Anita Koushik

Michal Abrahamowicz

Jennifer O'Loughlin

Anita Koushik

Jack Siemiatycki

Amal Idrissi Janati

Ivan Stevic

Pavlos Bobos

Christopher Booth

Malgorzata Miszkurka

Belinda Nicolau

Vikki Ho

Daniel von Renteln

Amit Garg