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| Withdrawn | 18 |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 1 to 25 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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