Clinical trials
Completed Vitamin A Deficiency trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
9 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2008 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2024 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 9 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| USDA, Western Human Nutrition Research Center | 3 |
| University of Wisconsin, Madison | 2 |
| Johns Hopkins Bloomberg School of Public Health | 1 |
| Ocuphire Pharma, Inc. | 1 |
| Tufts University | 1 |
| University of Colorado, Denver | 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 |
|---|---|
| Vitamin A Deficiency | 9 |
| Hypervitaminosis A | 1 |
| Infant Death | 1 |
| Maternal Death | 1 |
Trials
Showing 1 to 9 of 9. 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.
Go deeper on Pharma Observatory
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