Clinical trials
Terminated trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,912 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 | 199 |
| 2020 | 151 |
| 2021 | 188 |
| 2022 | 151 |
| 2023 | 101 |
| 2024 | 53 |
| 2025 | 13 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 2,912 |
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 | 47 |
| Leukemia, Myeloid, Acute | 45 |
Trials
Showing 51 to 75 of 2,912. Each trial links to its page on Pharma Observatory.
2,812 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.