Clinical trials
Terminated trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,905 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 7 |
| 2001 | 11 |
| 2002 | 16 |
| 2003 | 30 |
| 2004 | 46 |
| 2005 | 70 |
| 2006 | 100 |
| 2007 | 128 |
| 2008 | 136 |
| 2009 | 129 |
| 2010 | 146 |
| 2011 | 129 |
| 2012 | 151 |
| 2013 | 132 |
| 2014 | 141 |
| 2015 | 145 |
| 2016 | 149 |
| 2017 | 165 |
| 2018 | 199 |
| 2019 | 198 |
| 2020 | 151 |
| 2021 | 188 |
| 2022 | 151 |
| 2023 | 97 |
| 2024 | 51 |
| 2025 | 13 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 2,905 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 98 |
| Novartis Pharmaceuticals | 93 |
| University Health Network, Toronto | 87 |
| University of Alberta | 64 |
| University of British Columbia | 63 |
| Hoffmann-La Roche | 57 |
| GlaxoSmithKline | 55 |
| Bristol-Myers Squibb | 50 |
| London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | 49 |
| Sanofi | 48 |
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 |
|---|---|
| Neoplasms | 101 |
| Carcinoma, Non-Small-Cell Lung | 94 |
| Breast Neoplasms | 80 |
| Alzheimer Disease | 62 |
| Prostatic Neoplasms | 57 |
| Heart Failure | 51 |
| Neoplasm Metastasis | 50 |
| Diabetes Mellitus, Type 2 | 47 |
| Ovarian Neoplasms | 46 |
| Leukemia, Myeloid, Acute | 45 |
Trials
Showing 1 to 25 of 2,905. Each trial links to its page on Pharma Observatory.
2,805 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.