Clinical trials
Trials with unknown phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,112 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2006 | 1 |
| 2007 | 2 |
| 2009 | 1 |
| 2010 | 3 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 6 |
| 2016 | 12 |
| 2017 | 17 |
| 2018 | 17 |
| 2019 | 15 |
| 2020 | 10 |
| 2021 | 14 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withheld | 984 |
| Completed | 96 |
| Terminated | 27 |
| Active, not recruiting | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| [Redacted] | 984 |
| Masimo Corporation | 23 |
| Johnson & Johnson Vision Care, Inc. | 5 |
| CooperVision, Inc. | 4 |
| Spaulding Rehabilitation Hospital | 4 |
| Össur Iceland ehf | 4 |
| Advanced Bionics | 3 |
| Becton, Dickinson and Company | 3 |
| Cochlear | 3 |
| Erchonia Corporation | 3 |
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 |
|---|---|
| Cataract | 4 |
| Hearing Loss, Sensorineural | 4 |
| Myopia | 4 |
| Aphakia | 3 |
| Hearing Loss | 3 |
| Obesity | 3 |
| Osteoarthritis | 3 |
| Pulmonary Disease, Chronic Obstructive | 3 |
| Sleep Apnea, Obstructive | 3 |
| Atrial Fibrillation | 2 |
Trials
Showing 1 to 25 of 1,112. Each trial links to its page on Pharma Observatory.
1,012 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.