Clinical trials
Observational trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
4,557 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 12 |
| 2002 | 34 |
| 2003 | 40 |
| 2004 | 64 |
| 2005 | 94 |
| 2006 | 99 |
| 2007 | 123 |
| 2008 | 143 |
| 2009 | 141 |
| 2010 | 160 |
| 2011 | 212 |
| 2012 | 223 |
| 2013 | 198 |
| 2014 | 219 |
| 2015 | 203 |
| 2016 | 212 |
| 2017 | 239 |
| 2018 | 251 |
| 2019 | 267 |
| 2020 | 265 |
| 2021 | 266 |
| 2022 | 255 |
| 2023 | 255 |
| 2024 | 231 |
| 2025 | 171 |
| 2026 | 122 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 2,433 |
| Unknown status | 688 |
| Recruiting | 676 |
| Active, not recruiting | 272 |
| Terminated | 239 |
| Withdrawn | 92 |
| Not yet recruiting | 88 |
| Enrolling by invitation | 50 |
| Suspended | 19 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University Health Network, Toronto | 307 |
| University of British Columbia | 249 |
| London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | 131 |
| University of Alberta | 116 |
| Ottawa Hospital Research Institute | 110 |
| The Hospital for Sick Children | 110 |
| McMaster University | 99 |
| Sunnybrook Health Sciences Centre | 96 |
| McGill University Health Centre/Research Institute of the McGill University Health Centre | 85 |
| University of Calgary | 85 |
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 | 104 |
| Neoplasms | 96 |
| Diabetes Mellitus | 92 |
| Cardiovascular Diseases | 91 |
| Obesity | 90 |
| Heart Failure | 88 |
| COVID-19 | 83 |
| Diabetes Mellitus, Type 2 | 80 |
| Prostatic Neoplasms | 69 |
| Stroke | 65 |
Trials
Showing 76 to 100 of 4,557. Each trial links to its page on Pharma Observatory.
4,457 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.