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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 86 Poznan 43 Bydgoszcz 37 Krakow 36 Gdansk 27
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
Warsaw86 Poznan43 Bydgoszcz37 Krakow36 Gdansk27
All 54 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
Merck Sharp & Dohme LLC
Phase 3
900
Poznan, Siedlce, Bialystok, Szczecin
2026-02-16
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,000
Bydgoszcz, Warsaw, Bialystok, Słupsk, Olsztyn, Koszalin, Lodz
2025-07-21
Recruiting
A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)
NCT06966700Breast Neoplasms, Triple Negative Breast Neoplasms, HR Low-Positive/HER2-Negative Breast Neoplasms
DrugsEpirubicin·Adriamycin·Xeloda·Sacituzumab tirumotecan
Merck Sharp & Dohme LLC
Phase 3
2,400
Bydgoszcz, Krakow, Wałbrzych, Warsaw, Bialystok, Słupsk, Olsztyn, Koszalin
2025-06-30
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,123
Poznan, Siedlce, Warsaw, Bialystok, Gdansk, Gliwice, Kielce
2025-05-22
Active, closed
Merck Sharp & Dohme LLC
Phase 2
440
Krakow, Lublin, Bialystok
2025-04-16
Recruiting
Merck Sharp & Dohme LLC
Phase 3
770
Poznan, Warsaw, Bialystok, Szczecin, Kielce
2025-04-09
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,000
Poznan, Bydgoszcz, Krakow, Siedlce, Warsaw, Wieliszew, Bialystok, Gdynia
2025-03-16
Active, closed
Merck Sharp & Dohme LLC
Phase 3
686
Poznan, Warsaw, Bialystok
2024-07-24
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,530
Bydgoszcz, Krakow, Warsaw, Wieliszew, Bialystok, Gdynia, Gliwice, Szczecin
2024-06-24
Active, closed
Merck Sharp & Dohme LLC
Phase 3
550
Bydgoszcz, Warsaw, Bialystok, Gliwice
2024-06-11
Active, closed
Merck Sharp & Dohme LLC
Phase 3
473
Bydgoszcz, Warsaw, Bialystok, Gdynia, Poland, Kielce
2024-05-03
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,200
Bydgoszcz, Siedlce, Warsaw, Wieliszew, Rzeszów, Bialystok, Gdynia, Gliwice
2024-04-14
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 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
1,089
Poznan, Bydgoszcz, Siedlce, Warsaw, Bialystok, Gdansk, Gliwice, Szczecin
2023-07-19
Active, closed
Merck Sharp & Dohme LLC
Phase 3
280
Poznan, Lublin, Siedlce, Warsaw, Bialystok, Gliwice, Kielce
2022-02-03
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
342
Bydgoszcz, Krakow, Siedlce, Warsaw, Wieliszew, Przemyśl, Bialystok, Gliwice
2021-06-18
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
1,240
Bydgoszcz, Wroclaw, Ostrołęka, Warsaw, Wieliszew, Bialystok, Gdansk, Gdynia
2018-12-27
Recruiting
Merck Sharp & Dohme LLC
Phase 3
3,500
Konin, Poznan, Bydgoszcz, Krakow, Warsaw, Opole, Bialystok, Gdansk
2018-08-21
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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 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?

10 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, 13 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 3221095.7%
Phase 2104.3%

Most active sponsors

Lead sponsors with the most studies (Bialystok)
Lead sponsorStudiesRecruiting
Merck Sharp & Dohme LLC2310
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.