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Trackers› Clinical trials› Bialystok
Clinical trial register · Poland

Clinical Trials in Bialystok, 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 44 Bydgoszcz 42 Lublin 36 Krakow 36 Gdansk 30
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca52 Janssen Research & Development, LLC23 Merck Sharp & Dohme LLC23 Eli Lilly and Company20 Medical University of Bialystok19 Clear sponsor filter
Site location
Warsaw44 Bydgoszcz42 Lublin36 Krakow36 Gdansk30
All 60 locations
Target enrolment
to

Trials with a site in Bialystok

23 of 2705 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Poland
Start
Recruiting
Janssen Research & Development, LLC
Phase 2
240
Bialystok, Bydgoszcz, Elblag, Krakow, Lublin, Nadarzyn, Olsztyn, Torun
2026-01-15
Recruiting
Janssen Research & Development, LLC
Phase 3
1,203
Bialystok, Bydgoszcz, Koszalin, Warsaw
2025-09-02
Recruiting
Janssen Research & Development, LLC
Phase 3
600
Bialystok, Bydgoszcz, Gdansk, Kielce, Lodz, Wroclaw
2025-06-04
Active, closed
Janssen Research & Development, LLC
Phase 3
752
Bialystok, Elblag, Katowice, Krakow, Lodz, Olsztyn, Poznan, Skierniewice
2025-04-15
Active, closed
Janssen Research & Development, LLC
Phase 3
552
Bialystok, Bydgoszcz, Elblag, Gdynia, Krakow, Lodz, Lublin, Nadarzyn
2025-02-21
Recruiting
Janssen Research & Development, LLC
Phase 3
750
Bialystok, Bydgoszcz, Elblag, Gdynia, Krakow, Lodz, Lublin, Nadarzyn
2025-01-09
Recruiting
Janssen Research & Development, LLC
Phase 3
700
Bialystok, Biała Podlaska, Brzozów, Gdansk, Gliwice, Lodz, Olsztyn, Opole
2024-12-12
Recruiting
Janssen Research & Development, LLC
Phase 3
1,000
Bialystok, Biała Podlaska, Brzozów, Gdansk, Gliwice, Lodz, Olsztyn, Opole
2024-10-18
Recruiting
Janssen Research & Development, LLC
Phase 3
641
Bialystok, Bydgoszcz, Lublin, Przemyśl, Tarnów, Torun, Wieliszew, Wroclaw
2024-04-18
Active, closed
Janssen Research & Development, LLC
Phase 3
272
Bialystok, Bydgoszcz, Krakow, Lublin, Przemyśl, Tarnów, Torun, Wieliszew
2024-04-09
Active, closed
Janssen Research & Development, LLC
Phase 3
731
Bialystok, Katowice, Kielce, Krakow, Olsztyn, Warsaw, Wroclaw
2024-03-09
Active, closed
Janssen Research & Development, LLC
Phase 3
774
Bialystok, Elblag, Krakow, Lodz, Osielsko, Poznan, Warsaw, Wroclaw
2024-01-17
Active, closed
Janssen Research & Development, LLC
Phase 3
311
Bialystok, Krakow, Lodz, Osielsko, Poznan, Warsaw, Wroclaw
2023-10-12
Active, closed
Janssen Research & Development, LLC
Phase 3
684
Bialystok, Elblag, Krakow, Lodz, Osielsko, Poznan, Warsaw, Wroclaw
2023-10-12
Active, closed
Janssen Research & Development, LLC
Phase 3
1,135
Bialystok, Bydgoszcz, Lublin, Piotrkow Trybunalski, Poznan, Słupsk, Warsaw, Wroclaw
2023-03-23
Active, closed
Janssen Research & Development, LLC
Phase 3
12,523
Bialystok, Bolesławiec, Bydgoszcz, Chelmie, Działdowo, Grodzisk Mazowiecki, Gryfice, Katowice
2023-02-15
Active, closed
Janssen Research & Development, LLC
Phase 3
418
Bialystok, Bydgoszcz, Chojnice, Krakow, Lublin, Poznan, Rzeszów, Szczecin
2022-09-13
Active, closed
Janssen Research & Development, LLC
Phase 3
350
Bialystok, Bydgoszcz, Chojnice, Chrzanów, Knurów, Krakow, Lodz, Lublin
2022-01-19
Active, closed
Janssen Research & Development, LLC
Phase 4
411
Bialystok, Bydgoszcz, Bytom, Elblag, Krakow, Lodz, Lublin, Nadarzyn
2021-08-30
Active, closed
Janssen Research & Development, LLC
Phase 3
1,054
Bialystok, Bydgoszcz, Elblag, Gdynia, Krakow, Lublin, Nadarzyn, Nowa Sól
2021-06-17
Active, closed
Janssen Research & Development, LLC
Phase 2/3
1,064
Bialystok, Bydgoszcz, Krakow, Lublin, Oświęcim, Rzeszów, Sopot, Szczecin
2019-09-26
Active, closed
Janssen Research & Development, LLC
Phase 2/3
118
Bialystok, Gdansk, Katowice, Lodz, Opole, Warsaw
2019-08-15
Active, closed
Janssen Research & Development, LLC
Phase 1/2
234
Bialystok, Warsaw
2016-11-21
Rows per page Showing 1–23 of 23
1
Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Polish investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 29 October 2026. https://priyalifescience.com/clinical-trials-poland/city/bialystok

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 23 of those studies with a site in Bialystok that also match the filters currently applied.

How many clinical trials are recruiting in Bialystok?

7 of the 23 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, 16 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 (Bialystok), 23 studies
PhaseStudiesRecruitingShare
Phase 318678.3%
Phase 2/3208.7%
Phase 1/2104.3%
Phase 2114.3%
Phase 4104.3%

Most active sponsors

Lead sponsors with the most studies (Bialystok)
Lead sponsorStudiesRecruiting
Janssen Research & Development, LLC237
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.