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Trackers› Clinical trials› Poznan
Clinical trial register · Poland

Clinical Trials in Poznan, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Poland 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 2705 matching records held by the registry are in this view. Synced 28 Oct 2026, 03:18 UTC
2705
Studies in scope
all four open statuses
1389
Recruiting now
open to new participants
512
Lead sponsors
across recruiting studies
Top sites
Warsaw 86 Poznan 43 Bydgoszcz 37 Krakow 36 Gdansk 27
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca67 Merck Sharp & Dohme LLC43 Poznan University of Medical Sciences35 Janssen Research & Development, LLC27 Bristol-Myers Squibb23 Clear sponsor filter
Site location
Warsaw86 Poznan43 Bydgoszcz37 Krakow36 Gdansk27
All 54 locations
Target enrolment
to

Trials with a site in Poznan

43 of 2705 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Poland
Start
Recruiting
Merck Sharp & Dohme LLC
Phase 3
876
Poznan, Warsaw, Lodz, Chęciny
2026-05-04
Recruiting
Merck Sharp & Dohme LLC
Phase 3
900
Poznan, Siedlce, Bialystok, Szczecin
2026-02-16
Recruiting
Merck Sharp & Dohme LLC
Phase 2
180
Poznan, Warsaw, Przemyśl
2025-12-12
Recruiting
Merck Sharp & Dohme LLC
Phase 3
477
Poznan, Warsaw, Rzeszów, Gliwice, Koszalin
2025-07-16
Recruiting
Merck Sharp & Dohme LLC
Phase 1/2
360
Poznan, Warsaw, Gdansk, Koszalin
2025-07-03
Recruiting
Merck Sharp & Dohme LLC
Phase 2
160
Poznan, Warsaw
2025-05-29
Recruiting
Merck Sharp & Dohme LLC
Phase 2
144
Poznan, Warsaw, Gdansk, Koszalin
2025-05-28
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,123
Poznan, Siedlce, Warsaw, Bialystok, Gdansk, Gliwice, Kielce
2025-05-22
Recruiting
Merck Sharp & Dohme LLC
Phase 2
96
Poznan, Warsaw, Gdansk, Koszalin
2025-05-13
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,440
Poznan, Bydgoszcz, Krakow, Siedlce, Warsaw, Katowice
2025-05-13
Recruiting
Merck Sharp & Dohme LLC
Phase 3
770
Poznan, Warsaw, Bialystok, Szczecin, Kielce
2025-04-09
Recruiting
Merck Sharp & Dohme LLC
Phase 2
90
Poznan, Warsaw, Gdansk, Koszalin
2025-03-30
Recruiting
Merck Sharp & Dohme LLC
Phase 1/2
270
Poznan, Krakow, Warsaw, Koszalin
2025-03-25
Active, closed
Merck Sharp & Dohme LLC
Phase 2
60
Poznan, Warsaw, Gdansk
2025-03-20
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,000
Poznan, Bydgoszcz, Krakow, Siedlce, Warsaw, Wieliszew, Bialystok, Gdynia
2025-03-16
Recruiting
A Clinical Study of Intismeran Autogene (V940) and BCG in People With Bladder Cancer (V940-011/INTerpath-011)
NCT06833073Urinary Bladder Neoplasms, Non-Muscle Invasive Bladder Neoplasms, Carcinoma in Situ
DrugIntismeran autogene
Merck Sharp & Dohme LLC
Phase 2
308
Poznan, Tarnów, Warszawa
2025-03-11
Recruiting
Merck Sharp & Dohme LLC
Phase 3
3,082
Poznan, Bydgoszcz, Krakow, Wroclaw, Warsaw, Gdynia, Bielsko-Biala, Katowice
2024-12-02
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,380
Poznan, Włocławek, Krakow, Wroclaw, Lublin, Warsaw, Katowice, Szczecin
2024-11-25
Recruiting
Merck Sharp & Dohme LLC
Phase 3
680
Poznan, Krakow, Wroclaw, Warsaw, Przemyśl, Gdansk, Olsztyn, Kielce
2024-10-21
Active, closed
Merck Sharp & Dohme LLC
Phase 3
686
Poznan, Warsaw, Bialystok
2024-07-24
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,200
Poznan, Bydgoszcz, Torun, Krakow, Nowy Targ, Oświęcim, Jelenia Góra, Wroclaw
2024-06-05
Recruiting
Merck Sharp & Dohme LLC
Phase 3
780
Poznan, Krakow, Lublin, Warsaw, Przemyśl, Bialystok, Gdansk, Prabuty
2024-04-03
Active, closed
Merck Sharp & Dohme LLC
Phase 1/2
230
Poznan, Bydgoszcz, Warsaw, Koszalin, Kielce
2024-03-28
Active, closed
Merck Sharp & Dohme LLC
Phase 3
868
Poznan, Bydgoszcz, Krakow, Warsaw, Przemyśl, Bialystok, Gdansk, Olsztyn
2023-12-06
Active, closed
Merck Sharp & Dohme LLC
Phase 3
710
Poznan, Siedlce, Warsaw, Bialystok
2023-12-06
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,109
Poznan, Torun, Krakow, Nowy Targ, Wadowice, Wroclaw, Warsaw, Chorzów
2023-10-25
Active, closed
Merck Sharp & Dohme LLC
Phase 3
14,550
Poznan, Bydgoszcz, Torun, Chrzanów, Krakow, Tarnów, Legnica, Lublin
2023-10-09
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,089
Poznan, Bydgoszcz, Siedlce, Warsaw, Bialystok, Gdansk, Gliwice, Szczecin
2023-07-19
Active, closed
Merck Sharp & Dohme LLC
Phase 3
614
Poznan, Bydgoszcz, Siedlce, Warsaw, Przemyśl, Prabuty, Racibórz
2023-02-06
Active, closed
Merck Sharp & Dohme LLC
Phase 3
460
Konin, Poznan, Siedlce, Warsaw, Przemyśl, Prabuty, Bystra
2022-03-24
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,800
Konin, Poznan, Bydgoszcz, Torun, Tarnów, Siedlce, Warsaw, Przemyśl
2022-03-15
Active, closed
Merck Sharp & Dohme LLC
Phase 3
280
Poznan, Lublin, Siedlce, Warsaw, Bialystok, Gliwice, Kielce
2022-02-03
Recruiting
Merck Sharp & Dohme LLC
Phase 1
830
Poznan, Warsaw, Gdansk, Koszalin
2021-12-17
Active, closed
Merck Sharp & Dohme LLC
Phase 3
643
Poznan, Warsaw, Bialystok, Gdansk, Gliwice, Kielce
2021-12-13
Active, closed
Merck Sharp & Dohme LLC
Phase 3
808
Poznan, Siedlce, Warsaw, Przemyśl, Wrocław, Koszalin
2021-04-21
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,688
Konin, Poznan, Bydgoszcz, Radom, Warsaw, Koszalin
2021-04-14
Active, closed
Merck Sharp & Dohme LLC
Phase 3
747
Poznan, Bydgoszcz, Krakow, Warsaw
2021-02-25
Active, closed
Merck Sharp & Dohme LLC
Phase 3
990
Poznan, Siedlce, Warsaw, Bialystok, Gliwice, Olsztyn, Kielce
2021-01-10
Active, closed
Merck Sharp & Dohme LLC
Phase 3
595
Poznan, Bydgoszcz, Tarnów, Wroclaw, Otwock, Warsaw, Bialystok, Słupsk
2019-07-24
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,397
Poznan, Torun, Krakow, Tarnów, Wroclaw, Siedlce, Warsaw, Przemyśl
2018-12-24
Active, closed
Merck Sharp & Dohme LLC
Phase 3
976
Poznan, Bydgoszcz, Krakow, Warsaw, Rzeszów, Gdansk, Bielsko-Biala, Katowice
2018-09-12
Recruiting
Merck Sharp & Dohme LLC
Phase 3
3,500
Konin, Poznan, Bydgoszcz, Krakow, Warsaw, Opole, Bialystok, Gdansk
2018-08-21
Active, closed
Merck Sharp & Dohme LLC
Phase 3
797
Poznan, Bydgoszcz, Bystra, Wroclaw, Prabuty, Lodz
2018-04-24
Rows per page Showing 1–43 of 43
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Polish investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 28 October 2026. https://priyalifescience.com/clinical-trials-poland/city/poznan

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 Poland and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 2,705 studies in total at the last sync on 28 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 43 of those studies with a site in Poznan that also match the filters currently applied.

How many clinical trials are recruiting in Poznan?

22 of the 43 studies on this page are recruiting new participants as of the 28 Oct 2026, 03:18 UTC sync. A further 0 have not yet opened recruitment, 21 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 (Poznan), 43 studies
PhaseStudiesRecruitingShare
Phase 3321374.4%
Phase 27616.3%
Phase 1/2327%
Phase 1112.3%

Most active sponsors

Lead sponsors with the most studies (Poznan)
Lead sponsorStudiesRecruiting
Merck Sharp & Dohme LLC4322
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.