Clinical trials
Observational Retinitis Pigmentosa trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
86 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 6 |
| 2014 | 5 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 34 |
| Recruiting | 16 |
| Unknown status | 14 |
| Active, not recruiting | 7 |
| Terminated | 6 |
| Not yet recruiting | 4 |
| Enrolling by invitation | 3 |
| Suspended | 1 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Eye Institute (NEI) | 8 |
| University Hospital, Strasbourg, France | 4 |
| Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts | 3 |
| Jaeb Center for Health Research | 3 |
| Johns Hopkins University | 3 |
| Nanoscope Therapeutics Inc. | 3 |
| Second Sight Medical Products | 3 |
| Sensor Technology for Deafblind | 3 |
| Astellas Pharma Inc | 2 |
| Center for Eye Research Australia | 2 |
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 | 86 |
| Retinal Degeneration | 14 |
| Usher Syndromes | 12 |
| Macular Degeneration | 11 |
| Retinal Dystrophies | 10 |
| Retinal Diseases | 9 |
| Stargardt Disease | 9 |
| Eye Diseases | 7 |
| Choroideremia | 5 |
| Eye Diseases, Hereditary | 5 |
Trials
Showing 26 to 50 of 86. 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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