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Trackers› Clinical trials› Izmir
Clinical trial register · Turkey

Clinical Trials in Izmir, 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
Istanbul 49 Ankara 47 Izmir 34 Antalya 16 Samsun 16
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca54 Ege University37 Janssen Research & Development, LLC34 Merck Sharp & Dohme LLC32 Izmir Katip Celebi University30 Clear sponsor filter
Site location
Istanbul49 Ankara47 Izmir34 Antalya16 Samsun16
All 28 locations
Target enrolment
to

Trials with a site in Izmir

34 of 5418 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Turkey
Start
Recruiting
Janssen Research & Development, LLC
Phase 3
1,000
Ankara, Antalya, Istanbul, Izmir, Samsun
2026-09-09
Recruiting
Janssen Research & Development, LLC
Phase 3
700
Ankara, Antalya, Istanbul, Izmir, Mersin, Samsun
2026-05-31
Recruiting
Janssen Research & Development, LLC
Phase 3
644
Antalya, Gaziantep, Istanbul, Izmir, Kocaeli, Mersin
2026-05-23
Recruiting
Janssen Research & Development, LLC
Phase 3
460
Antalya, Istanbul, Izmir, Kocaeli, Mersin
2026-05-22
Recruiting
Janssen Research & Development, LLC
Phase 3
600
Ankara, Elâzığ, Gaziantep, Istanbul, Izmir, Konya
2026-03-05
Recruiting
Janssen Research & Development, LLC
Phase 3
800
Adana, Ankara, Istanbul, Izmir
2025-12-19
Recruiting
Janssen Research & Development, LLC
Phase 2/3
1,092
Ankara, Antalya, Istanbul, Izmir, Kocaeli, Mersin
2025-10-03
Recruiting
Janssen Research & Development, LLC
Phase 3
882
Ankara, Antalya, Istanbul, Izmir, Kocaeli, Mersin
2025-10-01
Recruiting
Janssen Research & Development, LLC
Phase 2/3
274
Ankara, Izmir
2024-09-19
Recruiting
Janssen Research & Development, LLC
Phase 3
641
Adana, Ankara, Istanbul, Izmir
2024-04-18
Active, closed
Janssen Research & Development, LLC
Phase 2
305
Adana, Ankara, Istanbul, Izmir, Samsun
2024-02-16
Active, closed
Janssen Research & Development, LLC
Phase 1/2
71
Adana, Ankara, Istanbul, Izmir, Sakarya
2023-05-18
Active, closed
Janssen Research & Development, LLC
Phase 3
20,284
Afyonkarahisar, Ankara, Antalya, Istanbul, Izmir, Kayseri, Mersin, Samsun
2023-04-11
Active, closed
Janssen Research & Development, LLC
Phase 3
12,523
Ankara, Bursa, Diyarbakır, Elâzığ, Erciyes, Istanbul, Izmir, Konya
2023-02-15
Active, closed
Janssen Research & Development, LLC
Phase 3
213
Izmir
2022-12-15
Recruiting
Janssen Research & Development, LLC
Phase 3
1,590
Ankara, Antalya, Denizli, Istanbul, Izmir, Samsun
2022-10-25
Active, closed
Janssen Research & Development, LLC
Phase 3
864
Ankara, Antalya, Istanbul, Izmir, Samsun
2022-10-13
Active, closed
Janssen Research & Development, LLC
Phase 3
418
Istanbul, Izmir, Mersin
2022-09-13
Active, closed
Janssen Research & Development, LLC
Phase 3
418
Adana, Ankara, Edirne, Istanbul, Izmir, Samsun
2022-08-05
Active, closed
Janssen Research & Development, LLC
Phase 3
350
Ankara, Istanbul, Izmir, Mersin, Samsun, Zonguldak
2022-01-19
Active, closed
Janssen Research & Development, LLC
Phase 3
776
Adana, Ankara, Edirne, Istanbul, Izmir
2021-11-17
Active, closed
Janssen Research & Development, LLC
Phase 3
587
Ankara, Atakum, Istanbul, Izmir
2021-10-14
Active, closed
Janssen Research & Development, LLC
Phase 3
1,054
Istanbul, Izmir, Kocaeli, Konya
2021-06-17
Active, closed
Janssen Research & Development, LLC
Phase 3
518
Adana, Ankara, Balçova, Fatih, Gaziantep, Istanbul, Izmir, Malatya
2020-12-07
Active, closed
Janssen Research & Development, LLC
Phase 3
308
Adana, Ankara, Edirne, Istanbul, Izmir
2020-10-13
Active, closed
Janssen Research & Development, LLC
Phase 3
1,074
Adana, Ankara, Edirne, Istanbul, Izmir, Konya
2020-09-30
Active, closed
Janssen Research & Development, LLC
Phase 3
696
Adana, Ankara, Bursa, Edirne, Istanbul, Izmir, Sakarya, Samsun
2020-09-23
Active, closed
Janssen Research & Development, LLC
Phase 2/3
1,064
Ankara, Edirne, Istanbul, Izmir, Kocaeli, Mersin
2019-09-26
Active, closed
Janssen Research & Development, LLC
Phase 3
765
Adana, Ankara, Antalya, Edirne, Istanbul, Izmir, Kocaeli
2019-01-25
Active, closed
Janssen Research & Development, LLC
Phase 3
211
Ankara, Istanbul, Izmir, Samsun
2018-04-17
Active, closed
Janssen Research & Development, LLC
Phase 2/3
1,409
Ankara, Elâzığ, Hatay, Istanbul, Izmir
2018-04-13
Active, closed
Janssen Research & Development, LLC
Phase 1/2
125
Adana, Ankara, Aydin, Edirne, Istanbul, Izmir, Kocaeli, Konya
2018-04-05
Active, closed
Janssen Research & Development, LLC
Phase 3
629
Adana, Ankara, Istanbul, Izmir, Kocaeli, Malatya
2018-03-23
Active, closed
A Long-term Extension Study of PCI-32765 (Ibrutinib)
NCT01804686Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, Mantle Cell Lymphoma, Follicular Lymphoma
DrugIbrutinib
Janssen Research & Development, LLC
Phase 3
539
Ankara, Istanbul, Izmir, Kayseri
2013-09-09
Rows per page Showing 1–34 of 34
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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/izmir

Query this register directly
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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 34 of those studies with a site in Izmir that also match the filters currently applied.

How many clinical trials are recruiting in Izmir?

11 of the 34 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, 23 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Izmir), 34 studies
PhaseStudiesRecruitingShare
Phase 327979.4%
Phase 2/34211.8%
Phase 1/2205.9%
Phase 2102.9%

Most active sponsors

Lead sponsors with the most studies (Izmir)
Lead sponsorStudiesRecruiting
Janssen Research & Development, LLC3411
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.