Clinical trials
Phase 3 Vitamin D Deficiency trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
56 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2004 | 2 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 6 |
| 2012 | 3 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2021 | 2 |
| 2023 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 41 |
| Unknown status | 6 |
| Terminated | 5 |
| Withdrawn | 2 |
| Active, not recruiting | 1 |
| Recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Medical University of Graz | 4 |
| Massachusetts General Hospital | 3 |
| Medical University of South Carolina | 3 |
| University of Tromso | 3 |
| American University of Beirut Medical Center | 2 |
| OPKO Health, Inc. | 2 |
| OPKO IP Holdings II, Inc. | 2 |
| Semmelweis University | 2 |
| Association Tunisienne d'Etude & de Recherche sur l'Athérosclérose | 1 |
| Centre Hospitalier St Anne | 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 | 56 |
| Renal Insufficiency, Chronic | 6 |
| Critical Illness | 5 |
| Hyperparathyroidism, Secondary | 5 |
| Kidney Diseases | 4 |
| Renal Insufficiency | 4 |
| Hyperparathyroidism | 3 |
| Insulin Resistance | 3 |
| Kidney Failure, Chronic | 3 |
| Osteoporosis | 3 |
Trials
Showing 1 to 25 of 56. 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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