Clinical trials
Phase 4 trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,717 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 6 |
| 2001 | 22 |
| 2002 | 29 |
| 2003 | 37 |
| 2004 | 42 |
| 2005 | 72 |
| 2006 | 73 |
| 2007 | 74 |
| 2008 | 81 |
| 2009 | 85 |
| 2010 | 73 |
| 2011 | 90 |
| 2012 | 78 |
| 2013 | 80 |
| 2014 | 80 |
| 2015 | 85 |
| 2016 | 96 |
| 2017 | 73 |
| 2018 | 77 |
| 2019 | 57 |
| 2020 | 37 |
| 2021 | 76 |
| 2022 | 46 |
| 2023 | 64 |
| 2024 | 54 |
| 2025 | 49 |
| 2026 | 47 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,105 |
| Unknown status | 192 |
| Terminated | 141 |
| Recruiting | 134 |
| Withdrawn | 55 |
| Active, not recruiting | 48 |
| Not yet recruiting | 34 |
| Enrolling by invitation | 6 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University Health Network, Toronto | 72 |
| University of British Columbia | 71 |
| Ottawa Hospital Research Institute | 54 |
| University of Alberta | 49 |
| GlaxoSmithKline | 43 |
| London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | 38 |
| Pfizer | 35 |
| Queen's University | 35 |
| McGill University Health Centre/Research Institute of the McGill University Health Centre | 34 |
| McMaster University | 33 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Diabetes Mellitus, Type 2 | 66 |
| Asthma | 57 |
| Pain | 45 |
| Pulmonary Disease, Chronic Obstructive | 42 |
| Diabetes Mellitus | 41 |
| Postoperative Pain | 36 |
| Cardiovascular Diseases | 31 |
| Atrial Fibrillation | 30 |
| Coronary Artery Disease | 29 |
| Major Depressive Disorder | 27 |
Trials
Showing 1 to 25 of 1,717. Each trial links to its page on Pharma Observatory.
1,617 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
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