Clinical trials
Terminated Phase 3 trials in Canada
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
784 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 5 |
| 2002 | 6 |
| 2003 | 12 |
| 2004 | 18 |
| 2005 | 32 |
| 2006 | 36 |
| 2007 | 47 |
| 2008 | 42 |
| 2009 | 33 |
| 2010 | 46 |
| 2011 | 31 |
| 2012 | 37 |
| 2013 | 37 |
| 2014 | 31 |
| 2015 | 33 |
| 2016 | 39 |
| 2017 | 41 |
| 2018 | 58 |
| 2019 | 35 |
| 2020 | 43 |
| 2021 | 51 |
| 2022 | 33 |
| 2023 | 17 |
| 2024 | 7 |
| 2025 | 1 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 784 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 38 |
| Novartis Pharmaceuticals | 36 |
| Hoffmann-La Roche | 30 |
| Sanofi | 25 |
| Gilead Sciences | 21 |
| GlaxoSmithKline | 20 |
| AstraZeneca | 15 |
| Amgen | 12 |
| Biogen | 12 |
| Eli Lilly and Company | 11 |
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 |
|---|---|
| Alzheimer Disease | 38 |
| Carcinoma, Non-Small-Cell Lung | 28 |
| Neoplasms | 24 |
| Diabetes Mellitus, Type 2 | 23 |
| Neoplasm Metastasis | 16 |
| Breast Neoplasms | 15 |
| Crohn Disease | 15 |
| Prostatic Neoplasms | 15 |
| Stroke | 15 |
| Cardiovascular Diseases | 13 |
Trials
Showing 1 to 25 of 784. Each trial links to its page on Pharma Observatory.
684 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.