Clinical trials
Completed Phase 4 Vitamin D Deficiency trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
68 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 6 |
| 2010 | 7 |
| 2011 | 6 |
| 2012 | 8 |
| 2013 | 5 |
| 2014 | 6 |
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 8 |
| 2018 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 68 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Medical University of Graz | 3 |
| Lady Hardinge Medical College | 2 |
| Maimonides Medical Center | 2 |
| Mayo Clinic | 2 |
| University of Aarhus | 2 |
| University of British Columbia | 2 |
| University of Wisconsin, Madison | 2 |
| Ain Shams University | 1 |
| Akdeniz University | 1 |
| Barts & The London NHS Trust | 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 D Deficiency | 68 |
| Diabetes Mellitus, Type 2 | 5 |
| Bone Diseases, Metabolic | 4 |
| Cardiovascular Diseases | 3 |
| Diabetes Mellitus | 3 |
| Hyperparathyroidism, Secondary | 3 |
| Obesity | 3 |
| Polycystic Ovary Syndrome | 3 |
| Renal Insufficiency, Chronic | 3 |
| Inflammation | 2 |
Trials
Showing 1 to 25 of 68. 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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