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Priya Life Science Clinical trial register
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Clinical trial register · Poland

Clinical Trials in Siedlce, 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 2709 matching records held by the registry are in this view. Synced 12 Nov 2026, 03:19 UTC
2709
Studies in scope
all four open statuses
1380
Recruiting now
open to new participants
510
Lead sponsors
across recruiting studies
Top sites
Warsaw 1318 Krakow 881 Poznan 697 Gdansk 663 Lodz 618
Narrow the registerReset
Recruitment status
Phase
Site location
Warsaw1318 Krakow881 Poznan697 Gdansk663 Lodz618 Wroclaw526 Bydgoszcz525 Lublin525 Katowice510 Bialystok388 Olsztyn190 Rzeszów183 Szczecin183 Gdynia167 Gliwice121 Kielce117 Torun111 Opole106 Koszalin84 Siedlce81 Zabrze69 Elblag67 Otwock56 Przemyśl55 Chorzów53 Tarnów49 Skorzewo48 Częstochowa47 Skórzewo45 Brzozów43 Oświęcim41 Konin40 Nowa Sól38 Biała Podlaska32 Bielsko-Biala32 Chrzanów31 Słupsk30 Gda?sk28 Grudziądz28 Sosnowiec27 Bytom26 Wałbrzych26 Chojnice24 Radom23 Tomaszów Mazowiecki22 Sopot22 Mysłowice21 Ostrowiec Świętokrzyski21 Lubin21 Piotrkow Trybunalski21 Legnica20 Nowy Targ20 Tychy20 Prabuty20 Zamość19 Późna19 Wroc?aw18 Grodzisk Mazowiecki17 Nadarzyn17 Bystra16 Wieliszew15 Malbork15 Sochaczew14 Trzebnica13 Świdnik13 Dębica12 ?ód?12 Nowy Sącz11 Plewiska10 Kłodzko10 Leszno10 Rybnik10 Osielsko10 Ruda Śląska9 Jelenia Góra9 Piaseczno9 Bia?ystok9 Chęciny9 Staszów9 Dąbrowa Górnicza8 Bełchatów8 Skierniewice8 Piła8 Lódz7 Zielona Góra7 Puławy7 Siemianowice Śląskie7 Swidnica6 Gorzów Wielkopolski6 Józefów6 ?ory6 Ustroń6 Knurów6 Krosno6 Cracow6 Gorlice6 Grzepnica6 Pabianice5 Wołomin5 Dziekanów Leśny5 Tarnowskie Góry5 Będzin5 Karczew5 Iława4 Racibórz4 Sanok4 Gmina Świecie4 Łomianki4 Tuszyn4 Ksawerów4 Kędzierzyn-Koźle4 Ostrołęka4 Ścinawa4 Ossy4 Skawina4 Łęczna4 Włocławek4 Wadowice3 Pruszków3 Gdask3 Bielsk Podlaski3 Ostrów Mazowiecka3 Giżycko3 Milówka3 Multiple Locations3 Warszawa3 Słomniki3 Wieliczka3 Dąbrówka3 Bygdoszcz3 Komorniki3 Wejherowo3 Pozna?2 B?dzin2 Stanisławów Pierwszy2 Rzeszw2 Pomorskie2 Jarocin2 Woj. Podkarpackie2 Brodnica2 Pszczyna2 Maków Podhalański2 Myślenice2 Czeladź2 ??czna2 Iwaszkiewicza 52 Gmina Końskie2 Olkusz2 Rabka-Zdrój2 Łańcut2 Krąków2 Śląskie2 Żyrardów2 I?awa2 Suchy Las2 Poland2 Warszewo2 Inowrocław2 Bolesławiec2 Kutno2 Kościan2 Glogow Wielkopolski2 Mrozy2 Płock2 Legionowo1 Dąbrowa Tarnowska1 Toruniak1 Wodzisław Śląski1 Rzwszow1 Ostróda1 Raszyn1 ?cinawa1 Myszków1 Zakopane1 Zawadzkie1 Starogard Gdański1 Podlaski1 Polanica-Zdrój1 Grudzadz1 Pińczów1 Stanisławow Pierwszy Nieporet1 Naklo N. Notecią1 Stalowa Wola1 Tczew1 Węgrów1 Żywiec1 Kraków1 Skarżysko-Kamienna1 Pozman1 Many Locations1 Miechów1 Glogow Mlp.1 Piotrków1 Wrocaw1 Grójec1 Wo?omin1 Grodzisk Wielkopolski1 Kalisz1 Kazimierza Wielka1 Grudzi?dz1 Katowice - Ochojec1 Gniezno1 Mińsk Mazowiecki1 Dobry Lekarz1 Poniatowa1 Radzionków1 Kwidzyn1 Krakow (Cracow)1 Mielec1 Długa1 Wiele1 Wrocław1 Swietokrzyski1 Brzeziny1 Małogoskie1 L DZ1 Żychlin1 Ód1 Cracov1 Janki1 Bialystok-Podlaskie1 Chojncie1 Środa Wielkopolska1 Kracow1 Mikołów1 Kobylniki1 ?Od?1 Chelmie1 Działdowo1 Gryfice1 Pi?a1 Libiąż1 Lodzkie1 Janów Lubelski1 Kraśnik1 Chełm1 Klinika Nowotworow Ukladu Chlonnego1 Ostrów Wielkopolski1 Poznań1 Jasło1 Sandomierz1 Bolesławice1 Ełk1 Tomaszow Mazowiecki1 Mazowieckie1 Stupsk1 Kajetany1 Elbl?g1 Myslowice1 Warszawa Targówek1 Plońsk1 Żarów1 Warsawawa1 Rzeszáw1 Świnoujście1 Płońsk1 Bychawa1 Lodź1 Strzelce Opolskie1 Ciechanów1 Cieszyn1 Iwonicz-Zdrój1 Skorzewo (Poznan)1 Uniwersyteckie Centrum Kliniczne1
All 264 locations
Target enrolment
to

Trials with a site in Siedlce

81 of 2709 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Poland
Start
Not yet open
Vortosiran for VTE Prevention
NCT07850453Venous Thromboembolism (VTE), Cancer, Pulmonary Embolism (Diagnosis)
Ribocure Pharmaceuticals AB
Phase 2
150
Gdynia, Grodzisk Mazowiecki, Krakow, Otwock, Poznan, Siedlce, Skorzewo, Szczecin
2026-10
Recruiting
Vividion Therapeutics, Inc.
Phase 2
140
Skórzewo, Krakow, Wroclaw, Otwock, Siedlce, Warsaw, Opole, Przemyśl
2026-09-11
Recruiting
AstraZeneca
Phase 3
915
Gdansk, Koszalin, Poznan, Siedlce, Skórzewo, Wroclaw
2026-07-16
Recruiting
Eli Lilly and Company
Phase 2
60
Katowice, Krakow, Lublin, Poznan, Siedlce, Szczecin, Warsaw, Zamość
2026-05-04
Recruiting
Eli Lilly and Company
Phase 2
60
Katowice, Krakow, Lublin, Poznan, Siedlce, Szczecin, Warsaw, Zamość
2026-05-04
Recruiting
K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc
Phase 3
420
Gdansk, Krakow, Poznan, Siedlce, Szczecin
2026-04-17
Recruiting
Merck Sharp & Dohme LLC
Phase 3
758
Skórzewo, Krakow, Siedlce, Warsaw, Gliwice
2026-04-09
Recruiting
Hoffmann-La Roche
Phase 3
1,600
Bialystok, Bydgoszcz, Dębica, Lublin, Pabianice, Poznan, Ruda Śląska, Siedlce
2026-03-23
Recruiting
Merck Sharp & Dohme LLC
Phase 3
900
Poznan, Siedlce, Bialystok, Szczecin
2026-02-16
Active, closed
Kailera
Phase 3
1,270
Bydgoszcz, Torun, Krakow, Lublin, Siedlce, Warsaw, Bialystok, Gdynia
2026-01-12
Active, closed
Kailera
Phase 3
2,530
Poznan, Torun, Krakow, Siedlce, Warsaw, Skierniewice, Zamość
2025-12-18
Recruiting
Incyte Corporation
Phase 3
466
Bialystok, Gdansk, Kielce, Siedlce, Szczecin
2025-12-09
Recruiting
Zai Lab (Shanghai) Co., Ltd.
Phase 3
480
Lodz, Poznan, Przemyśl, Siedlce, Warsaw
2025-11-30
Recruiting
Genmab
Phase 3
660
Lublin, Siedlce, Bialystok, Szczecin, Kielce, Lodz
2025-11-28
Recruiting
Merck Sharp & Dohme LLC
Phase 3
904
Skórzewo, Bydgoszcz, Krakow, Siedlce, Warsaw, Przemyśl, Koszalin
2025-11-26
Recruiting
Eli Lilly and Company
Phase 3
1,630
Bialystok, Gdansk, Krakow, Poznan, Siedlce
2025-10-22
Active, closed
Gesynta Pharma AB
Phase 2
213
Bialystok, Bydgoszcz, Katowice, Krakow, Lublin, Siedlce, Skorzewo, Szczecin
2025-10-15
Recruiting
Daiichi Sankyo
Phase 3
710
Bialystok, Gdynia, Poznan, Siedlce
2025-09-30
Recruiting
GlaxoSmithKline
Phase 3
420
Gliwice, Kielce, Lodz, Olsztyn, Otwock, Poznan, Przemyśl, Siedlce
2025-08-11
Recruiting
AstraZeneca
Phase 3
800
Lodz, Siedlce
2025-08-01
Recruiting
Celcuity Inc
Phase 3
1,180
Siedlce, Bydgoszcz, Konin, Krakow, Lodz, Opole, Szczecin, Warsaw
2025-07-24
Active, closed
Immunovant Sciences GmbH
Phase 2
180
Bydgoszcz, Krakow, Lodz, Lublin, Poznan, Siedlce, Warsaw, Wołomin
2025-06-30
Recruiting
BioNTech SE
Phase 3
480
Bialystok, Poznan, Siedlce
2025-06-10
Recruiting
Eikon Therapeutics
Phase 2/3
740
Gdansk, Konin, Siedlce, Gliwice, Warsaw
2025-05-22
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,440
Poznan, Bydgoszcz, Krakow, Siedlce, Warsaw, Katowice
2025-05-13
Active, closed
Otsuka Pharmaceutical Development & Commercialization, Inc.
Phase 2
83
Poznan, Wroclaw, Siedlce, Warsaw, Wołomin, Bydgoszcz, Katowice, Lublin
2025-04-23
Recruiting
Relacorilant in Combination With Different Treatment Regimens in Patients With Gynecological Cancers
NCT06906341Ovarian Cancer, Fallopian Tube Cancer, Peritoneal Neoplasms, Endometrial Cancer
Corcept Therapeutics
Phase 2
270
Gdynia, Siedlce
2025-04-11
Recruiting
Gilead Sciences
Phase 3
695
Lodz, Poznan, Rzeszów, Siedlce, Stupsk, Warsaw
2025-04-04
Recruiting
Daiichi Sankyo
Phase 3
510
Lublin, Siedlce, Warsaw
2025-03-27
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,000
Poznan, Bydgoszcz, Krakow, Siedlce, Warsaw, Wieliszew, Bialystok, Gdynia
2025-03-16
Active, closed
Genmab
Phase 3
584
Krakow, Bialystok, Gdansk, Lodz, Poznan, Siedlce, Szczecin
2025-02-07
Recruiting
FORTIFI-HN01: A Study of Ficerafusp Alfa (BCA101) or Placebo in Combination With Pembrolizumab in First-Line PD-L1-pos, R or M HNSCC
NCT06788990Metastatic Head and Neck Squamous Cell Carcinoma, Recurrent Head and Neck Squamous Cell Carcinoma
Bicara Therapeutics
Phase 2/3
650
Gdansk, Gliwice, Katowice, Konin, Krakow, Siedlce, Warsaw
2025-01-28
Active, closed
Janssen Research & Development, LLC
Phase 3
655
Bydgoszcz, Dębica, Krakow, Lublin, Olsztyn, Poznan, Siedlce, Warsaw
2024-12-04
Active, closed
Merck Sharp & Dohme LLC
Phase 3
67
Siedlce, Warsaw
2024-11-21
Active, closed
Ipsen
Phase 2
670
Częstochowa, Katowice, Krakow, Lodz, Oświęcim, Pomorskie, Puławy, Siedlce
2024-10-10
Recruiting
Daiichi Sankyo
Phase 1/2
680
Krakow, Lodz, Rzeszów, Siedlce, Skorzewo
2024-04-10
Recruiting
GlaxoSmithKline
Phase 3
864
Bielsko-Biala, Gliwice, Katowice, Olsztyn, Przemyśl, Siedlce, Warsaw
2024-03-21
Recruiting
Verastem, Inc.
Phase 3
270
Bialystok, Gdansk, Siedlce
2024-03-18
Recruiting
Daiichi Sankyo
Phase 2/3
860
Bialystok, Gdansk, Poznan, Siedlce
2024-02-27
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,310
Bydgoszcz, Grudziądz, Torun, Siedlce, Koszalin, Szczecin, Kielce
2023-12-31
Recruiting
AstraZeneca
Phase 3
1,145
Bialystok, Bielsko-Biala, Bydgoszcz, Gliwice, Olsztyn, Piotrkow Trybunalski, Siedlce, Tomaszów Mazowiecki
2023-12-14
Active, closed
Merck Sharp & Dohme LLC
Phase 3
710
Poznan, Siedlce, Warsaw, Bialystok
2023-12-06
Active, closed
GlaxoSmithKline
Phase 2
316
Bielsko-Biala, Katowice, Krakow, Przemyśl, Siedlce, Warsaw
2023-11-14
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,089
Poznan, Bydgoszcz, Siedlce, Warsaw, Bialystok, Gdansk, Gliwice, Szczecin
2023-07-19
Active, closed
AbbVie
Phase 3
520
Poznan, Krakow, Siedlce, Gdynia
2023-03-15
Active, closed
Celcuity Inc
Phase 3
701
Bydgoszcz, Konin, Krakow, Lodz, Opole, Siedlce, Szczecin, Warsaw
2022-12-08
Active, closed
GlaxoSmithKline
Phase 2
351
Lublin, Prabuty, Siedlce
2022-10-14
Active, closed
Eli Lilly and Company
Phase 3
8,000
Gdynia, Koszalin, Lodz, Opole, Oświęcim, Siedlce, Torun, Warsaw
2022-10-04
Active, closed
Exelixis
Phase 3
901
Bydgoszcz, Opole, Siedlce, Tomaszów Mazowiecki, Warsaw
2022-09-07
Active, closed
Gilead Sciences
Phase 3
623
Gdansk, Gliwice, Opole, Siedlce, Warsaw
2022-07-20
Active, closed
Corcept Therapeutics
Phase 3
381
Gdynia, Poznan, Siedlce
2022-06-29
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
AstraZeneca
Phase 3
1,051
Bydgoszcz, Gdansk, Koszalin, Poznan, Siedlce, Tomaszów Mazowiecki, Warsaw
2022-02-07
Active, closed
Merck Sharp & Dohme LLC
Phase 3
280
Poznan, Lublin, Siedlce, Warsaw, Bialystok, Gliwice, Kielce
2022-02-03
Active, closed
Gilead Sciences
Phase 3
603
Konin, Lodz, Rzeszáw, Siedlce
2021-11-17
Active, closed
Merck Sharp & Dohme LLC
Phase 3
342
Bydgoszcz, Krakow, Siedlce, Warsaw, Wieliszew, Przemyśl, Bialystok, Gliwice
2021-06-18
Active, closed
Janssen Research & Development, LLC
Phase 3
518
Siedlce, Skorzewo, Warsaw, Wroclaw
2020-12-07
Active, closed
Bayer
Phase 3
774
Lublin, Otwock, Siedlce, Warsaw, Lodz
2020-10-20
Active, closed
AstraZeneca
Phase 3
640
Katowice, Krakow, Lodz, Siedlce, Warsaw
2020-10-19
Active, closed
Merck Sharp & Dohme LLC
Phase 3
870
Siedlce, Warsaw, Gdynia, Olsztyn
2020-07-06
Active, closed
Janssen Research & Development, LLC
Phase 3
765
Bydgoszcz, Gdansk, Gdynia, Lodz, Siedlce, Szczecin, Warsaw, Wroclaw
2019-01-25
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,397
Poznan, Torun, Krakow, Tarnów, Wroclaw, Siedlce, Warsaw, Przemyśl
2018-12-24
Active, closed
Aragon Pharmaceuticals, Inc.
Phase 3
1,052
Bialystok, Bydgoszcz, Krakow, Kutno, Lodz, Lublin, Siedlce, Sochaczew
2015-11-27
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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 12 November 2026. https://priyalifescience.com/clinical-trials-poland/city/siedlce

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: 2,709 studies in total at the last sync on 12 Nov 2026, 03:19 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 81 of those studies with a site in Siedlce.

How many clinical trials are recruiting in Siedlce?

38 of the 81 studies on this page are recruiting new participants as of the 12 Nov 2026, 03:19 UTC sync. A further 1 have not yet opened recruitment, 42 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 (Siedlce), 81 studies
PhaseStudiesRecruitingShare
Phase 3652980.2%
Phase 212514.8%
Phase 2/3333.7%
Phase 1/2111.2%

Most active sponsors

Lead sponsors with the most studies (Siedlce)
Lead sponsorStudiesRecruiting
Merck Sharp & Dohme LLC229
AstraZeneca64
Daiichi Sankyo55
Gilead Sciences51
GlaxoSmithKline52
Eli Lilly and Company43
Janssen Research & Development, LLC40
AbbVie21
Celcuity Inc21
Corcept Therapeutics21
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.