Clinical trials
Observational Retinitis Pigmentosa trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
38 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 2 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 18 |
| Recruiting | 11 |
| Active, not recruiting | 4 |
| Terminated | 4 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Eye Institute (NEI) | 8 |
| Jaeb Center for Health Research | 3 |
| Johns Hopkins University | 3 |
| Columbia University | 2 |
| Nanoscope Therapeutics Inc. | 2 |
| National Center for Research Resources (NCRR) | 2 |
| Ray Therapeutics, Inc. | 2 |
| Food and Drug Administration (FDA) | 1 |
| Foundation Fighting Blindness | 1 |
| Janssen Research & Development, LLC | 1 |
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 |
|---|---|
| Retinitis Pigmentosa | 38 |
| Retinal Degeneration | 8 |
| Usher Syndromes | 7 |
| Macular Degeneration | 5 |
| Retinal Dystrophies | 5 |
| Stargardt Disease | 5 |
| Eye Diseases, Hereditary | 4 |
| Leber Congenital Amaurosis | 4 |
| Retinal Diseases | 4 |
| Choroideremia | 3 |
Trials
Showing 1 to 25 of 38. Each trial links to its page 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.
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