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Trackers› Clinical trials› Oshawa
Clinical trial register · Canada

Clinical Trials in Oshawa, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Canada and is open, about to open, active-but-closed, or enrolling by invitation. Filter it, cite it, and take it away as a file.

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Source: ClinicalTrials.gov, U.S. National Library of Medicine. Complete coverage — all 6567 matching records held by the registry are in this view. Synced 13 Nov 2026, 03:20 UTC
6567
Studies in scope
all four open statuses
3491
Recruiting now
open to new participants
883
Lead sponsors
across recruiting studies
Top sites
Toronto 2824 Montreal 1918 Vancouver 1190 Calgary 1067 Edmonton 1024
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca12 Merck Sharp & Dohme LLC6 Janssen Research & Development, LLC5 Bristol-Myers Squibb4 Hoffmann-La Roche3 Boehringer Ingelheim2 SWOG Cancer Research Network2 Canadian Cancer Trials Group2 Takeda2 University of Ontario Institute of Technology2 National Cancer Institute (NCI)2 Eli Lilly and Company2 Pfizer2 Regeneron Pharmaceuticals1 Amgen1 Novartis Pharmaceuticals1 The Hospital for Sick Children1 Michelle Zeller1 NRG Oncology1 Mark Vincent1 GlaxoSmithKline1 University Health Network, Toronto1 NewAmsterdam Pharma1 Karyopharm Therapeutics Inc1 Otsuka Pharmaceutical Development & Commercialization, Inc.1 Show all 40
Site location
Toronto2824 Montreal1918 Vancouver1190 Calgary1067 Edmonton1024 Ottawa884 London880 Hamilton813 Québec685 Halifax534 Winnipeg455 Sherbrooke269 Kingston255 Kelowna177 Brampton144 Surrey141 Victoria129 St. John's127 Barrie126 Saskatoon125 Chicoutimi100 Moncton93 Mississauga89 Greater Sudbury84 Regina82 Show all 249
All 249 locations
Target enrolment
to

Trials with a site in Oshawa

73 of 6567 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Canada
Start
Not yet open
Bristol-Myers Squibb
Phase 2
80
Calgary, Oshawa, Montreal
2026-11-30
Active, closed
University of Ontario Institute of Technology
Not applicable
45
Oshawa
2026-10-21
Not yet open
University of Ontario Institute of Technology
Not applicable
60
Oshawa
2026-09
Recruiting
Janssen Research & Development, LLC
Phase 3
700
Calgary, Edmonton, Oshawa, Toronto
2026-05-31
Recruiting
Merck Sharp & Dohme LLC
Phase 3
590
Oshawa, Toronto, Québec
2026-04-23
Recruiting
Janssen Research & Development, LLC
Phase 3
530
Edmonton, Vancouver, Hamilton, London, Oshawa, Toronto, Montreal
2026-04-21
Recruiting
Bristol-Myers Squibb
Phase 3
750
Prince George, Halifax, Oshawa, Ottawa, Toronto
2026-03-12
Recruiting
Scarborough General Hospital
Phase 4
3,853
Ajax, Bowmanville, Oshawa, Toronto
2025-11-25
Recruiting
AstraZeneca
Phase 3
420
Calgary, Victoria, Hamilton, Oshawa, Ottawa, Toronto, Chicoutimi
2025-11-11
Active, closed
Novo Nordisk A/S
Phase 3
300
Moncton, Halifax, Hamilton, London, Oshawa, Toronto, Mirabel
2025-11-05
Recruiting
Regeneron Pharmaceuticals
Phase 2
1,200
Edmonton, Victoria, Moncton, Greater Sudbury, Hamilton, Oshawa, Scarborough Village, Longueuil
2025-10-20
Recruiting
Pfizer
Phase 3
680
Calgary, Oshawa, Toronto, Greenfield Park, Laval, Montreal, Saint-Jérôme, Québec
2025-09-29
Recruiting
Effects of Donor-recipient Sex-matched Blood Transfusion on Patient Outcomes
NCT06840756Red Blood Cell Transfusions, Sex Differences, Health Services, Critically Ill Intensive Care Unit Patients
Michelle Zeller
Phase 4
11,082
Hamilton, Kingston, London, Oshawa, Ottawa, Toronto
2025-09-11
Recruiting
Janssen Research & Development, LLC
Phase 3
1,203
Calgary, Vancouver, Oshawa, Toronto, Québec
2025-09-02
Recruiting
A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)
NCT06966700Breast Neoplasms, Triple Negative Breast Neoplasms, HR Low-Positive/HER2-Negative Breast Neoplasms
DrugsEpirubicin·Adriamycin·Xeloda·Paraplatin
Merck Sharp & Dohme LLC
Phase 3
2,400
Surrey, Vancouver, St. John's, Barrie, Greater Sudbury, Oshawa, Ottawa, Sault Ste. Marie
2025-06-30
Recruiting
Calico Life Sciences LLC
Phase 2
240
Oshawa, Toronto
2025-06-09
Recruiting
Boehringer Ingelheim
Phase 3
4,200
Cambridge, Greater Sudbury, Hamilton, Kitchener, Mississauga, Oakville, Oshawa, Peterborough
2025-05-20
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,000
Edmonton, Oshawa, Toronto, Chicoutimi, Montreal, Québec, Saskatoon
2025-03-16
Active, closed
Amgen
Phase 3
3,853
Surrey, Hamilton, North York, Oshawa, Scarborough Village, Thunder Bay, Toronto, Chicoutimi
2025-03-12
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,046
Edmonton, Halifax, Hamilton, Oshawa, Toronto
2025-01-27
Recruiting
Takeda
Phase 3
396
Calgary, Winnipeg, Halifax, Barrie, Hamilton, Oshawa, Toronto, Vaughan
2025-01-02
Recruiting
Pfizer
Phase 3
900
Calgary, Edmonton, Halifax, Oshawa, Chicoutimi, Montreal
2024-10-22
Recruiting
Merck Sharp & Dohme LLC
Phase 3
680
Halifax, Hamilton, Kingston, Oshawa, Toronto, Montreal, Québec
2024-10-21
Active, closed
AstraZeneca
Phase 3
25
Halifax, Oshawa, Montreal
2024-10-15
Recruiting
AstraZeneca
Phase 3
1,018
Winnipeg, Halifax, Barrie, Hamilton, Oshawa, Toronto, Chicoutimi, Montreal
2024-08-07
Recruiting
Boehringer Ingelheim
Phase 3
6,712
Cambridge, Hamilton, Mississauga, Oakville, Oshawa, Peterborough, Sarnia, Stoney Creek
2024-06-17
Active, closed
Takeda
Phase 4
60
Barrie, London, Mississauga, North Bay, North York, Oakville, Oshawa, Vaughan
2024-06-12
Active, closed
Eli Lilly and Company
Phase 3
10,000
Calgary, Chicoutimi, Courtice, Edmonton, London, Moncton, North York, Oshawa
2024-04-30
Recruiting
CSL Behring
Phase 2/3
3,110
Edmonton, Halifax, Hamilton, Kingston, London, Oshawa, Montreal, Longueuil
2024-04-27
Recruiting
Canadian Cancer Trials Group
Phase 3
710
St. John's, Barrie, Kingston, Kitchener, London, Mississauga, Oshawa, Toronto
2024-04-25
Recruiting
AstraZeneca
Phase 3
675
Vancouver, Winnipeg, St. John's, London, Newmarket, Oshawa, Toronto, Lévis
2024-04-11
Recruiting
St. Justine's Hospital
Observational
3,000
Calgary, Edmonton, Vancouver, Halifax, Hamilton, Kingston, London, Oshawa
2024-02-13
Recruiting
Using Neuroimaging and Behavioral Assessments to Understand Late Talking
NCT06156865Developmental Language Disorder, Language Delay, Language Development
University of Toronto
Not applicable
45
Oshawa, Toronto
2024-01-19
Active, closed
Hoffmann-La Roche
Phase 3
1,050
Edmonton, Barrie, Mississauga, Oshawa, Thunder Bay, Toronto, Chicoutimi, Lévis
2023-12-11
Active, closed
AstraZeneca
Phase 3
1,902
Calgary, Vancouver, Barrie, London, Oshawa, Toronto, Lévis, Montreal
2023-11-14
Active, closed
BeOne Medicines
Phase 3
652
Calgary, Edmonton, Winnipeg, Oshawa, Toronto, Greenfield Park, Montreal, SaintJerome
2023-11-11
Active, closed
AstraZeneca
Phase 3
895
Calgary, Edmonton, Winnipeg, Halifax, Barrie, Oshawa, Toronto, Lévis
2023-10-24
Recruiting
NRG Oncology
Phase 3
3,960
Barrie, Kitchener, London, Oakville, Oshawa, Toronto, Montreal, Québec
2023-10-18
Active, closed
Seagen, a wholly owned subsidiary of Pfizer
Phase 3
412
Calgary, Edmonton, Oshawa, Toronto
2023-09-22
Recruiting
Partial Breast Re-irradiation Using Ultra Hypofractionation (PRESERVE)
NCT05592938Breast Cancer, Breast Cancer Recurrent
University Health Network, Toronto
Not applicable
171
Barrie, London, Oshawa, Toronto, Montreal
2023-06-27
Recruiting
Ottawa Hospital Research Institute
Phase 4
242
Kingston, Oshawa, Ottawa
2023-04-17
Active, closed
Janssen Research & Development, LLC
Phase 3
614
Calgary, Saint John, Brampton, Oshawa, Montreal
2023-03-29
Recruiting
Canadian Cancer Trials Group
Observational
247
Vancouver, Winnipeg, Saint John, Oshawa, Ottawa, Montreal
2023-01-27
Recruiting
Janssen Research & Development, LLC
Phase 3
1,590
Calgary, Edmonton, Vancouver, Oshawa, Québec
2022-10-25
Active, closed
AstraZeneca
Phase 3
1,035
Halifax, Oshawa, Toronto, Montreal, Sherbrooke
2022-03-25
Active, closed
Merck Sharp & Dohme LLC
Phase 3
460
Kingston, Oshawa
2022-03-24
Active, closed
Otsuka Pharmaceutical Development & Commercialization, Inc.
Phase 3
530
Calgary, Hamilton, Kitchener, Oshawa, Scarborough Village, Toronto, Greenfield Park, Montreal
2022-03-15
Active, closed
NewAmsterdam Pharma
Phase 3
9,541
Kamloops, North Vancouver, Penticton, Winnipeg, Concord, Oshawa, Peterborough, Stoney Creek
2022-02-07
Active, closed
The Hospital for Sick Children
Not applicable
615
Edmonton, Brampton, Etobicoke, Markham, Mississauga, Newmarket, North York, Oshawa
2021-11-11
Recruiting
Novartis Pharmaceuticals
Phase 3
540
Oshawa
2021-09-20
Active, closed
Karyopharm Therapeutics Inc
Phase 3
353
Edmonton, Oshawa, Montreal
2021-03-11
Recruiting
National Cancer Institute (NCI)
Phase 3
247
Vancouver, Winnipeg, Saint John, Halifax, Oshawa, Ottawa, Montreal, Regina
2021-03-02
Active, closed
T-DM1 and Tucatinib Compared With T-DM1 Alone in Preventing Relapses in People With High Risk HER2-Positive Breast Cancer, the CompassHER2 RD Trial
NCT04457596Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, HER2 Positive Breast Carcinoma, Invasive Breast Carcinoma
DrugsTucatinib·Trastuzumab emtansine
Alliance for Clinical Trials in Oncology
Phase 3
1,056
Vancouver, Saint John, London, Oshawa, Toronto, Québec, Regina, Saskatoon
2021-03-02
Active, closed
Anthos Therapeutics, Inc.
Phase 2
1,287
Cambridge, Greater Sudbury, Oshawa, Greenfield Park, Montreal
2021-02-02
Recruiting
Mark Vincent
Phase 2
200
Vancouver, Brampton, Hamilton, Kitchener, London, Oshawa, Ottawa, Toronto
2021-01-06
Active, closed
GlaxoSmithKline
Phase 2/3
758
Greater Sudbury, Kingston, Oshawa, Greenfield Park, Montreal
2020-12-08
Active, closed
AstraZeneca
Phase 3
957
Edmonton, North York, Oshawa, Toronto, Montreal
2020-11-17
Active, closed
AstraZeneca
Phase 3
1,012
Calgary, Edmonton, Kelowna, Vancouver, Brampton, Oshawa, Toronto, Montreal
2020-07-13
Active, closed
S1827 (MAVERICK) Testing Whether the Use of Brain Scans Alone Instead of Brain Scans Plus Preventive Brain Radiation Affects Lifespan in Patients With Small Cell Lung Cancer
NCT04155034Extensive Stage Lung Small Cell Carcinoma, Limited Stage Lung Small Cell Carcinoma, Lung Small Cell Carcinoma
SWOG Cancer Research Network
Phase 3
668
Victoria, Winnipeg, Saint John, St. John's, Hamilton, Oshawa, Toronto, Montreal
2020-05-04
Active, closed
Astellas Pharma Global Development, Inc.
Phase 3
886
Calgary, Edmonton, Vancouver, Hamilton, London, Oshawa, Toronto, Montreal
2020-03-30
Active, closed
Bristol-Myers Squibb
Phase 3
461
Oshawa
2019-11-05
Active, closed
Testing the Addition of the Immunotherapy Drug Pembrolizumab to the Usual Chemotherapy Treatment (Paclitaxel and Carboplatin) in Stage III-IV or Recurrent Endometrial Cancer
NCT03914612Endometrial Clear Cell Adenocarcinoma, Endometrial Dedifferentiated Carcinoma, Endometrial Endometrioid Adenocarcinoma, Endometrial Mixed Cell Adenocarcinoma
DrugsParaplatin·Taxol·Keytruda·Paclitaxel
National Cancer Institute (NCI)
Phase 3
813
Moncton, Barrie, Greater Sudbury, Hamilton, Kingston, London, Oshawa, Sault Ste. Marie
2019-08-22
Active, closed
SWOG Cancer Research Network
Phase 3
1,100
Vancouver, Saint John, Kingston, Oshawa, Toronto
2019-08-13
Recruiting
Bristol-Myers Squibb
Phase 2
1,500
Edmonton, Vancouver, Halifax, Oshawa, Toronto, Montreal
2019-08-09
Active, closed
Hoffmann-La Roche
Phase 2/3
1,000
Edmonton, Winnipeg, Barrie, Brampton, London, Oshawa, Toronto, Montreal
2017-09-22
Active, closed
Hoffmann-La Roche
Phase 3
382
Barrie, Brampton, Oshawa, Toronto, Laval, Montreal
2017-09-20
Active, closed
Acerta Pharma BV
Phase 3
635
Vancouver, Oshawa, Toronto, Edmonton, Greenfield Park, Halifax
2017-04-05
Active, closed
Janssen Biotech, Inc.
Observational
535
New Westminster, Vancouver, Oshawa, Ottawa
2016-12-16
Active, closed
AstraZeneca
Phase 3
1,126
Calgary, Edmonton, Kelowna, Vancouver, Halifax, Hamilton, Newmarket, Oshawa
2015-11-02
Active, closed
AstraZeneca
Phase 3
1,118
Greater Sudbury, Kingston, Newmarket, Oshawa, Saint Catherines, Sault Ste. Marie, Toronto, Regina
2015-07-21
Active, closed
Eli Lilly and Company
Phase 3
493
Edmonton, Oshawa, Ottawa, Toronto, Montreal, Québec
2014-11-06
Active, closed
AstraZeneca
Phase 3
510
Edmonton, Kelowna, Surrey, Halifax, Oshawa, Toronto, Montreal, Québec
2013-09-25
Active, closed
Prostate Advances in Comparative Evidence
NCT01584258Prostate Cancer
Royal Marsden NHS Foundation Trust
Phase 3
2,205
Greater Sudbury, Hamilton, London, Niagara, Oshawa, Ottawa, Toronto, Montreal
2012-08-07
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Canadian investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 14 November 2026. https://priyalifescience.com/clinical-trials-canada/city/oshawa

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About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every study on the registry that lists at least one investigative site in Canada and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 6,567 studies in total at the last sync on 13 Nov 2026, 03:20 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 73 of those studies with a site in Oshawa.

How many clinical trials are recruiting in Oshawa?

34 of the 73 studies on this page are recruiting new participants as of the 13 Nov 2026, 03:20 UTC sync. A further 2 have not yet opened recruitment, 37 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Oshawa), 73 studies
PhaseStudiesRecruitingShare
Phase 3522271.2%
Phase 2648.2%
Not applicable526.8%
Phase 4435.5%
Observational324.1%
Phase 2/3314.1%

Most active sponsors

Lead sponsors with the most studies (Oshawa)
Lead sponsorStudiesRecruiting
AstraZeneca123
Merck Sharp & Dohme LLC65
Janssen Research & Development, LLC54
Bristol-Myers Squibb42
Hoffmann-La Roche30
Boehringer Ingelheim22
Canadian Cancer Trials Group22
Eli Lilly and Company20
National Cancer Institute (NCI)21
Pfizer22
Listing here is informational and not medical advice; eligibility is determined by each study team. See also the Ireland, UK, EU, USA and China registers.