Clinical trials
Observational Vitamin D Deficiency trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
32 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2024 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 32 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Assiut University | 3 |
| Ain Shams Maternity Hospital | 2 |
| Ain Shams University | 2 |
| Aimin Zhao | 1 |
| Amsterdam UMC, location VUmc | 1 |
| Aristotle University Of Thessaloniki | 1 |
| Cairo University | 1 |
| Clinical Hospital Colentina | 1 |
| Cumhuriyet University | 1 |
| Fatih Sultan Mehmet Training and Research Hospital | 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 | 32 |
| Breast Neoplasms | 2 |
| Hypocalcemia | 2 |
| Obesity | 2 |
| Osteoporosis | 2 |
| Vitamin B 12 Deficiency | 2 |
| Abortion, Habitual | 1 |
| Abortion, Spontaneous | 1 |
| Anemia, Iron-Deficiency | 1 |
| Benign Paroxysmal Positional Vertigo | 1 |
Trials
Showing 1 to 25 of 32. 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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