Clinical trials
Terminated Observational trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
238 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 5 |
| 2005 | 6 |
| 2006 | 7 |
| 2007 | 9 |
| 2008 | 10 |
| 2009 | 8 |
| 2010 | 10 |
| 2011 | 14 |
| 2012 | 17 |
| 2013 | 8 |
| 2014 | 21 |
| 2015 | 12 |
| 2016 | 15 |
| 2017 | 9 |
| 2018 | 14 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 17 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 238 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University Health Network, Toronto | 12 |
| AHS Cancer Control Alberta | 11 |
| University of British Columbia | 10 |
| The Hospital for Sick Children | 7 |
| University of Calgary | 7 |
| University of Alberta | 6 |
| McGill University Health Centre/Research Institute of the McGill University Health Centre | 5 |
| Ottawa Hospital Research Institute | 5 |
| University of Manitoba | 5 |
| AstraZeneca | 4 |
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 |
|---|---|
| Breast Neoplasms | 6 |
| Heart Failure | 5 |
| Lung Neoplasms | 5 |
| Atrial Fibrillation | 4 |
| COVID-19 | 4 |
| Diabetes Mellitus, Type 1 | 4 |
| Neoplasms | 4 |
| Prostatic Neoplasms | 4 |
| Stroke | 4 |
| Uterine Cervical Neoplasms | 4 |
Trials
Showing 1 to 25 of 238. Each trial links to its page on Pharma Observatory.
138 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.