Clinical trials
Observational Disease trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,152 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 4 |
| 2001 | 1 |
| 2003 | 6 |
| 2004 | 5 |
| 2005 | 8 |
| 2006 | 10 |
| 2007 | 12 |
| 2008 | 19 |
| 2009 | 34 |
| 2010 | 23 |
| 2011 | 24 |
| 2012 | 22 |
| 2013 | 31 |
| 2014 | 28 |
| 2015 | 42 |
| 2016 | 47 |
| 2017 | 64 |
| 2018 | 53 |
| 2019 | 55 |
| 2020 | 63 |
| 2021 | 95 |
| 2022 | 78 |
| 2023 | 99 |
| 2024 | 100 |
| 2025 | 116 |
| 2026 | 99 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 450 |
| Unknown status | 256 |
| Recruiting | 248 |
| Not yet recruiting | 86 |
| Active, not recruiting | 40 |
| Enrolling by invitation | 31 |
| Withdrawn | 20 |
| Terminated | 17 |
| Suspended | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assistance Publique - Hôpitaux de Paris | 20 |
| Peking Union Medical College Hospital | 12 |
| Central Hospital, Nancy, France | 8 |
| Changhai Hospital | 8 |
| University Hospital, Bordeaux | 8 |
| Fondazione Don Carlo Gnocchi ETS | 7 |
| Maastricht University Medical Center | 7 |
| National Taiwan University Hospital | 7 |
| RenJi Hospital | 7 |
| Second Affiliated Hospital, Zhejiang University, School of Medicine | 7 |
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 |
|---|---|
| Disease | 1,152 |
| Lung Neoplasms | 58 |
| Neoplasms | 42 |
| Prostatic Neoplasms | 40 |
| Asthma | 35 |
| Sepsis | 35 |
| Alzheimer Disease | 29 |
| Cognitive Dysfunction | 28 |
| Heart Failure | 27 |
| Infections | 27 |
Trials
Showing 26 to 50 of 1,152. Each trial links to its page on Pharma Observatory.
1,052 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.