Clinical trials
Observational trials in Turkey (Türkiye)
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
7,892 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 7 |
| 2003 | 4 |
| 2004 | 9 |
| 2005 | 8 |
| 2006 | 5 |
| 2007 | 10 |
| 2008 | 27 |
| 2009 | 27 |
| 2010 | 45 |
| 2011 | 57 |
| 2012 | 67 |
| 2013 | 73 |
| 2014 | 78 |
| 2015 | 80 |
| 2016 | 121 |
| 2017 | 232 |
| 2018 | 381 |
| 2019 | 495 |
| 2020 | 648 |
| 2021 | 729 |
| 2022 | 782 |
| 2023 | 822 |
| 2024 | 994 |
| 2025 | 1,194 |
| 2026 | 988 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 5,171 |
| Unknown status | 1,017 |
| Recruiting | 829 |
| Not yet recruiting | 425 |
| Active, not recruiting | 268 |
| Enrolling by invitation | 126 |
| Terminated | 33 |
| Withdrawn | 18 |
| Suspended | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Hacettepe University | 362 |
| Marmara University | 219 |
| Gazi University | 197 |
| Ankara City Hospital Bilkent | 190 |
| Istanbul University - Cerrahpasa | 156 |
| Kanuni Sultan Suleyman Training and Research Hospital | 139 |
| Istanbul University | 134 |
| Bezmialem Vakif University | 113 |
| Ankara University | 111 |
| Saglik Bilimleri Universitesi | 95 |
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 |
|---|---|
| COVID-19 | 243 |
| Pain | 205 |
| Postoperative Pain | 205 |
| Obesity | 157 |
| Stroke | 144 |
| Anxiety Disorders | 140 |
| Periodontitis | 140 |
| Cerebral Palsy | 135 |
| Multiple Sclerosis | 100 |
| Diabetes Mellitus | 94 |
Trials
Showing 26 to 50 of 7,892. Each trial links to its page on Pharma Observatory.
7,792 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
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