Clinical trials
Completed Vitamin A Deficiency trials with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
22 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 22 |
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 California, Davis | 3 |
| Wageningen University | 3 |
| Aga Khan University | 1 |
| Ataturk University | 1 |
| Centre for Food and Nutrition Research, Yaounde | 1 |
| Ethiopian Public Health Institute | 1 |
| Iowa State University | 1 |
| Kansas State University | 1 |
| Malaysia Palm Oil Board | 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 | 22 |
| Anemia, Iron-Deficiency | 3 |
| Anemia | 2 |
| Callosities | 2 |
| Growth Disorders | 2 |
| Malnutrition | 2 |
| Cachexia | 1 |
| Diarrhea | 1 |
| Folic Acid Deficiency | 1 |
| Hepatitis B | 1 |
Trials
Showing 1 to 22 of 22. 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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