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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 27 Ankara 19 Izmir 16 Mersin 12 Kayseri 9
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
Istanbul27 Ankara19 Izmir16 Mersin12 Kayseri9
All 26 locations
Target enrolment
to

Trials with a site in Izmir

16 of 5418 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Turkey
Start
Recruiting
Sanofi
Phase 2
144
Buca, Istanbul, Izmir, Manisa, Samsun
2025-12-29
Recruiting
Sanofi
Phase 3
85
Istanbul, Izmir
2025-12-18
Recruiting
Sanofi
Phase 2
37
Ankara, Izmir
2025-12-02
Recruiting
Sanofi
Phase 3
942
Adana, Ankara, Gaziantep, Istanbul, Izmir, Mersin
2025-09-16
Active, closed
Sanofi
Phase 2
204
Istanbul, Izmir, Mersin
2025-03-28
Active, closed
Sanofi
Phase 3
2,360
Ankara, Istanbul, Izmir, Trabzon
2025-02-18
Active, closed
Sanofi
Phase 2
229
Antalya, Gaziantep, Istanbul, Izmir, Mersin, Sanliurfa
2024-08-29
Active, closed
A Study to Investigate Long-term Safety and Tolerability of Tolebrutinib in Participants With Multiple Sclerosis.
NCT06372145Relapsing Multiple Sclerosis, Secondary Progressive Multiple Sclerosis, Progressive Relapsing Multiple Sclerosis
DrugTeriflunomide
Sanofi
Phase 3
2,500
Ankara, Eskişehir, Istanbul, Izmir, Kocaeli, Konya, Kütahya, Mersin
2024-04-16
Active, closed
Sanofi
Phase 3
260
Adana, Ankara, Istanbul, Izmir
2024-01-23
Active, closed
Sanofi
Phase 3
943
Ankara, Bursa, Eskişehir, Istanbul, Izmir, İzmit, Kayseri, Konya
2023-12-27
Active, closed
Sanofi
Phase 3
1,655
Ankara, Bursa, Eskişehir, Istanbul, Izmir, İzmit, Kayseri, Konya
2023-12-13
Active, closed
Sanofi
Phase 3
91
Adana, Akdeniz, Çapa, Izmir
2023-02-01
Active, closed
Sanofi
Phase 3
531
Ankara, Istanbul, Izmir
2022-06-23
Active, closed
Sanofi
Phase 4
1,339
Adana, Ankara, Istanbul, Izmir, Kayseri, Kirikkale, Mersin
2021-12-16
Active, closed
Sanofi
Phase 3
337
Ankara, Istanbul, Izmir
2020-06-16
Active, closed
Sanofi
Phase 3
475
Adana, Ankara, Istanbul, Izmir, Kayseri, Samsun
2017-12-07
Rows per page Showing 1–16 of 16
1
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
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 16 of those studies with a site in Izmir that also match the filters currently applied.

How many clinical trials are recruiting in Izmir?

4 of the 16 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, 12 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), 16 studies
PhaseStudiesRecruitingShare
Phase 311268.8%
Phase 24225%
Phase 4106.3%

Most active sponsors

Lead sponsors with the most studies (Izmir)
Lead sponsorStudiesRecruiting
Sanofi164
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.