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Trackers› Clinical trials› Istanbul
Clinical trial register · Turkey

Clinical Trials in Istanbul, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Turkey and is open, about to open, active-but-closed, or enrolling by invitation. Filter it, cite it, and take it away as a file.

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Source: ClinicalTrials.gov, U.S. National Library of Medicine. Complete coverage — all 5418 matching records held by the registry are in this view. Synced 11 Oct 2026, 03:18 UTC
5418
Studies in scope
all four open statuses
2461
Recruiting now
open to new participants
548
Lead sponsors
across recruiting studies
Top sites
Ankara 101 Istanbul 81 Izmir 54 Adana 36 Antalya 31
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Istanbul University - Cerrahpasa135 Marmara University100 AstraZeneca81 Merck Sharp & Dohme LLC69 Medipol University68 Clear sponsor filter
Site location
Ankara101 Istanbul81 Izmir54 Adana36 Antalya31
All 57 locations
Target enrolment
to

Trials with a site in Istanbul

81 of 5418 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Turkey
Start
Recruiting
AstraZeneca
Phase 3
500
Ankara, Antalya, Center, Istanbul
2026-08-24
Recruiting
A Study to Investigate CV Outcomes With Elecoglipron Compared With Placebo in Adult Participants With HFpEF or HFmrEF
NCT07761117Heart Failure With Preserved Ejection Fraction (HFpEF), Heart Failure With Mildly Reduced Ejection Fraction (HFmrEF)
DrugElecoglipron
AstraZeneca
Phase 3
6,950
Adana, Ankara, Antalya, Center, Istanbul, Izmir, Kahramanmaraş, Kütahya
2026-08-24
Recruiting
Roll-over Study for Participants Who Have Completed a Previous Clinical Study With Benralizumab (Fasenra) and Benefit From Continued Treatment
NCT07444567Asthma, Eosinophilic Granulomatosis With Polyangiitis (EGPA), Hypereosinophilic Syndrome (HES)
DrugsFasenra·Benralizumab
AstraZeneca
Phase 3
230
Istanbul
2026-07-24
Recruiting
CHARM Hepatocellular Carcinoma MEA Study
NCT07650773HepatoCellular Carcinoma
AstraZeneca
Observational
4,000
Ankara, Erzurum, Istanbul, Izmir
2026-07-14
Recruiting
AstraZeneca
Phase 3
2,000
Ankara, Gaziantep, Istanbul, Konya
2026-07-06
Recruiting
AstraZeneca
Phase 3
4,500
Adana, Adapazarı, Ankara, Antalya, Istanbul
2026-06-29
Recruiting
AstraZeneca
Observational
2,150
Ankara, Adana, Gaziantep, Istanbul, Kayseri
2026-05-06
Recruiting
AstraZeneca
Phase 3
420
Adapazarı, Antalya, Istanbul, Kocaeli, Mezitli
2026-05-05
Recruiting
AstraZeneca
Phase 3
670
Ankara, Istanbul
2026-05-04
Recruiting
AstraZeneca
Phase 3
2,130
Ankara, Antalya, Istanbul, Medreseboğazı, Şahinbey
2026-02-03
Recruiting
AstraZeneca
Phase 3
1,100
Ankara, Erzurum, Istanbul, Konya, Seyhan
2025-12-04
Recruiting
A Platform Study in Non-Small Cell Lung Cancer (NSCLC)
NCT06996782Advanced or Metastatic Non-small Cell Lung Cancer
DrugsRamucirumab·Rilvegostomig·Nab-paclitaxel·Pemetrexed
AstraZeneca
Phase 1/2
152
Ankara, Fatih, Istanbul
2025-11-24
Recruiting
AstraZeneca
Phase 3
420
Ankara, Antalya, Istanbul, Izmir, Kocaeli
2025-11-11
Recruiting
AstraZeneca
Phase 2
435
Adana, Ankara, Diyarbakır, Istanbul, Mersin, Zeytinburnu
2025-11-06
Recruiting
AstraZeneca
Phase 3
400
Ankara, Istanbul
2025-10-31
Recruiting
AstraZeneca
Observational
1,000
Ankara, Istanbul
2025-10-08
Recruiting
AstraZeneca
Phase 3
700
Ankara, Cordaleo, Diyarbakır, Istanbul, Izmir, Sakarya, Seyhan, Şahinbey
2025-08-06
Recruiting
AstraZeneca
Observational
500
Ankara, Antalya, Istanbul, Izmir
2025-07-23
Recruiting
AstraZeneca
Phase 2
100
Adapazarı, Erzurum, Fatih-Istanbul, Istanbul
2025-07-17
Recruiting
AstraZeneca
Phase 3
15,100
Afyonkarahisar, Ankara, Antalya, Çanakkale, Edirne, Istanbul, Izmir, Kayseri
2025-06-04
Recruiting
AstraZeneca
Phase 3
1,220
Altındağ, Ankara, Erzurum, Istanbul, Izmir
2025-05-06
Recruiting
A Trial to Investigate Benralizumab in Children With Eosinophilic Diseases
NCT06512883Eosinophilic Granulomatosis With Polyangiitis (EGPA), Hypereosinophilia Syndrome (HES)
DrugsFasenra·Benralizumab
AstraZeneca
Phase 3
14
Altındağ, Istanbul
2025-04-17
Recruiting
AstraZeneca
Phase 2
540
Adana, Ankara, Bursa, Gaziantep, Istanbul, Kayseri, Mersin
2025-03-26
Recruiting
AstraZeneca
Phase 3
990
Adana, Ankara, Istanbul, Kayseri, Kocaeli, Mersin
2025-03-25
Recruiting
AstraZeneca
Phase 3
11,300
Adana, Afyonkarahisar, Ankara, Antalya, Eskişehir, Istanbul, Izmir, Kahramanmaraş
2025-03-14
Recruiting
AstraZeneca
Phase 3
840
Ankara, Antalya, Diyarbakır, Erzurum, Istanbul, Izmir, Mezitli
2025-03-01
Recruiting
AstraZeneca
Phase 3
1,160
Ankara, Antalya, Istanbul, Yenimahalle
2024-11-18
Recruiting
AstraZeneca
Phase 3
620
Altındağ, Antalya, Istanbul, Izmir, Mezitli, Yakutiye
2024-08-12
Recruiting
AstraZeneca
Phase 3
1,018
Ankara, Istanbul, Izmir
2024-08-07
Recruiting
AstraZeneca
Phase 3
788
Adapazarı, Altındağ-Ankara, Ankara, Çankaya, Istanbul, Kayseri
2024-08-01
Active, closed
AstraZeneca
Phase 3
339
Cordaleo, Istanbul, Kayseri, Samsun
2024-06-29
Recruiting
AstraZeneca
Phase 3
3,850
Adana, Ankara, Antalya, Bursa, Center, Dinar, Eskişehir, Istanbul
2024-04-12
Recruiting
AstraZeneca
Phase 3
675
Adapazarı, Ankara, Antalya, Diyarbakır, Istanbul
2024-04-11
Active, closed
AstraZeneca
Phase 3
2,554
Adana, Adapazarı, Afyonkarahisar, Ankara, Antalya, Bursa, Istanbul, Kahramanmaraş
2024-03-29
Recruiting
AstraZeneca
Phase 3
100
Ankara, Istanbul, Kayseri, Umraniye
2024-03-14
Active, closed
AstraZeneca
Phase 3
594
Ankara, Diyarbakır, Erzurum, Istanbul
2024-03-04
Recruiting
AstraZeneca
Phase 3
5,250
Adana, Afyonkarahisar, Antalya, Bursa, Çanakkale, Çankaya, Isparta, Istanbul
2024-02-21
Recruiting
AstraZeneca
Phase 3
1,145
Ankara, Antalya, Cordaleo, Eskişehir, Istanbul, Yenimahalle
2023-12-14
Recruiting
AstraZeneca
Phase 3
625
Ankara, Besevler Ankara, Istanbul, Izmir, Küçükçekmece, Samsun
2023-11-23
Active, closed
AstraZeneca
Phase 3
1,898
Ankara, Bornova-Izmir, Cordaleo, Fatih-Istanbul, Istanbul
2023-11-21
Active, closed
AstraZeneca
Phase 3
1,902
Adapazarı, Ankara, Istanbul, Kayseri, Samsun
2023-11-14
Active, closed
AstraZeneca
Phase 3
895
Ankara, Antalya, Çankaya, Diyarbakır, Fatih-Istanbul, Istanbul, Izmir, Pamukkale
2023-10-24
Active, closed
AstraZeneca
Phase 3
5,511
Ankara, Antalya, Bursa, Çiğli, Istanbul, Samsun
2023-10-05
Recruiting
AstraZeneca
Phase 3
800
Adana, Ankara, Cordaleo, Istanbul
2023-09-22
Recruiting
AstraZeneca
Phase 3
231
Bursa, Istanbul, Izmir, Yenimahalle
2023-08-24
Recruiting
Phase I/IIa Study of AZD5335 as Monotherapy and Combination Therapy in Participants With Solid Tumors
NCT05797168Ovarian Cancer, Lung Adenocarcinoma, Endometrial Cancer, Lung Squamous Cell Carcinoma
DrugsPalacaparib·Torvutatug samrotecan·Saruparib·Paraplatin
AstraZeneca
Phase 1/2
622
Ankara, Istanbul
2023-06-05
Recruiting
AstraZeneca
Phase 3
4,300
Ankara, Aydin, Bursa, Dinar, Istanbul, Izmir, Samsun
2023-03-31
Active, closed
AstraZeneca
Phase 3
1,350
Adana, Ankara, Edirne, Istanbul, Izmir
2022-12-29
Recruiting
AstraZeneca
Phase 3
3,527
Ankara, Diyarbakır, Istanbul, Izmir, İzmit, Malatya, Ortahisar
2022-12-13
Active, closed
AstraZeneca
Phase 3
341
Adana, Ankara, Edirne, Istanbul, Izmir
2022-08-03
Active, closed
AstraZeneca
Phase 3
644
Ankara, Diyarbakır, Istanbul, Izmir, Konya, Malatya
2022-05-16
By invitation
AstraZeneca
Phase 3
214
Ankara, Bursa, Istanbul, Izmir
2022-04-19
Recruiting
AstraZeneca
Phase 2
630
Ankara, Istanbul, Izmir
2022-04-14
Active, closed
AstraZeneca
Phase 3
390
Ankara, Bursa, Istanbul, Izmir, Kadıkoy/Istanbul
2022-02-21
Active, closed
AstraZeneca
Phase 3
791
Adapazarı, Ankara, Antalya, Çankaya, Edirne, Istanbul, Izmir, Konya
2022-02-18
Active, closed
AstraZeneca
Phase 3
363
Adapazarı, Ankara, Istanbul, Izmir, Kahramanmaraş, Kayseri, Kocaeli
2022-02-15
Active, closed
AstraZeneca
Phase 3
148
Adana, Ankara, Cordaleo, Edirne, Istanbul, Izmir, Kazımkarabekir
2021-10-28
Active, closed
AstraZeneca
Phase 3
712
Adana, Ankara, Antalya, Cordaleo, Edirne, Istanbul
2021-08-05
Active, closed
D9319C00001- 1L OC Mono Global RCT
NCT04884360Ovarian Cancer
DrugOlaparib
AstraZeneca
Phase 3
366
Adana, Ankara, Cordaleo, Istanbul, Samsun
2021-05-31
Recruiting
AstraZeneca
Phase 1
304
Ankara, Bornova-Izmir, Istanbul
2021-03-09
Active, closed
AstraZeneca
Phase 1
155
Adana, Ankara, Istanbul, Izmir
2021-02-02
Active, closed
AstraZeneca
Phase 1/2
245
Ankara, Edirne, Istanbul, Izmir
2020-12-28
Active, closed
AstraZeneca
Phase 3
358
Ankara, Istanbul, Malatya
2020-12-16
Active, closed
AstraZeneca
Phase 3
957
Adana, Ankara, Erzurum, Istanbul, Samsun
2020-11-17
Active, closed
AstraZeneca
Phase 3
185
Ankara, Istanbul, Şahinbey
2020-08-04
Active, closed
AstraZeneca
Phase 3
1,012
Ankara, Antalya, Eskişehir, Istanbul, Izmir, Kayseri
2020-07-13
Active, closed
AstraZeneca
Phase 3
923
Ankara, Istanbul, Izmir, Malatya, Mersin
2019-06-25
Active, closed
AstraZeneca
Phase 3
810
Ankara, Istanbul, Izmir, Mersin
2019-04-16
Active, closed
AstraZeneca
Phase 3
724
Ankara, Istanbul, Izmir, Kocaeli
2019-03-06
Active, closed
AstraZeneca
Phase 3
1,407
Adana, Ankara, Istanbul, Izmir
2019-01-04
Active, closed
AstraZeneca
Phase 3
407
Adana, Ankara, Edirne, Istanbul, Konya, Malatya
2018-11-27
Active, closed
AstraZeneca
Phase 3
1,063
Ankara, Cordaleo, Edirne, Istanbul, Izmir
2018-11-16
Active, closed
AstraZeneca
Phase 3
895
Adana, Ankara, Cordaleo, Istanbul, Izmir
2018-10-31
Active, closed
AstraZeneca
Phase 3
730
Adana, Ankara, Antalya, Edirne, Istanbul, Izmir, Konya, Samsun
2018-09-27
Active, closed
AstraZeneca
Phase 3
1,246
Adana, Adapazarı, Ankara, Edirne, Istanbul, Izmir
2018-09-27
Active, closed
AstraZeneca
Phase 3
216
Adana, Adapazarı, Ankara, Istanbul, Izmir
2018-07-19
Active, closed
AstraZeneca
Phase 3
987
Ankara, Edirne, Istanbul, Izmir
2017-03-27
Active, closed
AstraZeneca
Phase 3
669
Ankara, Istanbul, Malatya, Pamukkale
2017-01-02
Active, closed
AstraZeneca
Phase 3
953
Adana, Ankara, Istanbul, Izmir
2015-11-03
Active, closed
AstraZeneca
Phase 3
682
Ankara, Bursa, Istanbul, Izmir
2015-10-21
Active, closed
AstraZeneca
Phase 3
510
Ankara, Istanbul, Izmir, Manisa
2013-09-25
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Turkish investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 11 October 2026. https://priyalifescience.com/clinical-trials-turkey/city/istanbul

Query this register directly
GET /api/trials?country=in&status=recruiting&format=json Try it now →

About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every study on the registry that lists at least one investigative site in Turkey and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 5,418 studies in total at the last sync on 11 Oct 2026, 03:18 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 81 of those studies with a site in Istanbul that also match the filters currently applied.

How many clinical trials are recruiting in Istanbul?

43 of the 81 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:18 UTC sync. A further 0 have not yet opened recruitment, 37 are active but closed to new participants, and 1 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Istanbul), 81 studies
PhaseStudiesRecruitingShare
Phase 3683284%
Observational444.9%
Phase 2444.9%
Phase 1/2323.7%
Phase 1212.5%

Most active sponsors

Lead sponsors with the most studies (Istanbul)
Lead sponsorStudiesRecruiting
AstraZeneca8143
Listing here is informational and not medical advice; eligibility is determined by each study team. See also the Ireland, UK, EU, USA and China registers.