Clinical trials
Observational Vitamin D Deficiency trials in Turkey (Türkiye)
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
28 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2012 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 24 |
| Recruiting | 2 |
| Unknown status | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Kanuni Sultan Suleyman Training and Research Hospital | 5 |
| Bagcilar Training and Research Hospital | 2 |
| Fatih Sultan Mehmet Training and Research Hospital | 2 |
| Gaziosmanpasa Research and Education Hospital | 2 |
| Abant Izzet Baysal University | 1 |
| Ataturk University | 1 |
| Bozok University | 1 |
| Bursa City Hospital | 1 |
| Cumhuriyet University | 1 |
| Duzce University | 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 | 28 |
| COVID-19 | 3 |
| Periodontitis | 2 |
| Polycystic Ovary Syndrome | 2 |
| Vitamin B 12 Deficiency | 2 |
| Anxiety Disorders | 1 |
| Bell Palsy | 1 |
| Chronic Pain | 1 |
| Endocrine System Diseases | 1 |
| Facial Paralysis | 1 |
Trials
Showing 1 to 25 of 28. Each trial links to its page on Pharma Observatory.
Recently changed trials
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