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Trackers› Clinical trials› Krakow
Clinical trial register · Poland

Clinical Trials in Krakow, 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 31 Wroclaw 29 Krakow 28 Katowice 23 Poznan 21
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca70 Hoffmann-La Roche42 Eli Lilly and Company38 Merck Sharp & Dohme LLC36 Janssen Research & Development, LLC36 Clear sponsor filter
Site location
Warsaw31 Wroclaw29 Krakow28 Katowice23 Poznan21
All 50 locations
Target enrolment
to

Trials with a site in Krakow

28 of 2705 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Poland
Start
Recruiting
Pfizer
Phase 3
1,200
Milówka, Dziekanów Leśny, Krakow, Tarnów, Trzebnica
2026-06-15
Recruiting
Pfizer
Phase 3
2,400
Krakow, Milówka, Bydgoszcz, Dziekanów Leśny, Poznan, Torun, Trzebnica, Wroclaw
2026-05-04
Recruiting
Pfizer
Phase 2/3
1,156
Katowice, Krakow, Tarnów, Warsaw, Wroclaw, Ostrowiec Świętokrzyski
2026-02-11
Active, closed
Pfizer
Phase 3
3,578
Bialystok, Bydgoszcz, Chojnice, Częstochowa, Gdansk, Gdynia, Katowice, Krakow
2025-12-19
Recruiting
Pfizer
Phase 3
800
Katowice, Koszalin, Krakow, Opole, Poznan
2025-12-11
Recruiting
Pfizer
Phase 2
165
Krakow, Szczecin, Katowice
2025-11-20
Recruiting
Pfizer
Phase 3
1,000
Poznan, Wroclaw, Szczecin, Koszalin, Krakow, Lublin, Rzeszów
2025-09-28
Recruiting
Pfizer
Phase 3
140
Krakow, Wroclaw, Lublin, Warsaw, Katowice, Rzeszów, Lodz
2025-09-10
Recruiting
Pfizer
Phase 3
400
Bydgoszcz, Krakow, Wroclaw, Warsaw, Opole
2025-08-05
Active, closed
Pfizer
Phase 3
208
Krakow, Wroclaw, Lublin, Warsaw, Bialystok, Katowice, Ossy, Rzeszów
2025-07-31
Recruiting
Pfizer
Phase 3
150
Krakow, Lublin, Warsaw, Chorzów, Katowice, Lodz, Ostrowiec Świętokrzyski
2025-07-24
Recruiting
Pfizer
Phase 2
252
Poznan, Krakow, Tarnów, Wroclaw, Bychawa, Sosnowiec
2025-05-20
Recruiting
Pfizer
Phase 3
674
Poznan, Krakow, Wroclaw, Lublin, Nowa Sól, Warsaw, Katowice, Sosnowiec
2025-04-01
Recruiting
Pfizer
Phase 3
723
Krakow, Oświęcim, Wroclaw, Lublin, Warsaw, Katowice
2025-03-11
Active, closed
Pfizer
Phase 3
1,035
Krakow, Bialystok, Gdynia, Koszalin, Lodz
2025-01-06
Active, closed
Pfizer
Phase 3
636
Bydgoszcz, Krakow, Wroclaw, Lublin, Warsaw
2024-11-15
Recruiting
Pfizer
Phase 3
900
Krakow, Wroclaw, Lublin, Warsaw, Koszalin, Opole, Piotrkow Trybunalski
2024-10-22
Active, closed
Pfizer
Phase 3
600
Grudziądz, Torun, Krakow, Wroclaw, Opole, Koszalin
2024-10-21
Active, closed
Pfizer
Phase 3
1,571
Bydgoszcz, Krakow, Warsaw, Bialystok, Katowice, Szczecin, Lodz
2023-11-08
Active, closed
Pfizer
Phase 2
507
Poznan, Krakow, Wroclaw, Katowice, Ostrowiec Świętokrzyski
2023-08-22
Recruiting
Pfizer
Phase 3
318
Poznan, Krakow, Warsaw, Bialystok
2023-05-20
Active, closed
Pfizer
Phase 3
624
Krakow, Warsaw, Gdansk, Lodz
2023-03-03
Recruiting
Pfizer
Phase 2
36
Warsaw, Katowice, Krakow, Szczecin, Wroclaw
2022-12-16
Recruiting
Pfizer
Phase 3
640
Poznan, Krakow, Wroclaw, Lublin, Warsaw, Katowice
2022-02-28
Recruiting
Pfizer
Phase 3
600
Katowice, Krakow, Poznan, Wroclaw
2021-04-28
Recruiting
Pfizer
Phase 3
2,100
Wroclaw, Katowice, Krakow, Poznan, Szczecin
2021-01-15
Active, closed
Pfizer
Phase 3
257
Krakow, Poznan, Warsaw
2021-01-15
Recruiting
A Study of Mevrometostat for Treatment of Relapsed/Refractory SCLC, Castration Resistant Prostate Cancer, and Follicular Lymphoma
NCT03460977Metastatic Castration Resistant Prostate Cancer (mCRPC), Small Cell Lung Cancer (SCLC), Follicular Lymphoma (FL)
DrugsMevrometostat·Xtandi·Itraconazole·Enzalutamide
Pfizer
Phase 1
453
Bydgoszcz, Koszalin, Krakow, Rzeszów, Warsaw
2018-04-17
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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/krakow

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 28 of those studies with a site in Krakow that also match the filters currently applied.

How many clinical trials are recruiting in Krakow?

19 of the 28 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, 9 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 (Krakow), 28 studies
PhaseStudiesRecruitingShare
Phase 3221478.6%
Phase 24314.3%
Phase 1113.6%
Phase 2/3113.6%

Most active sponsors

Lead sponsors with the most studies (Krakow)
Lead sponsorStudiesRecruiting
Pfizer2819
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.