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Trackers› Clinical trials› Harderwijk
Clinical trial register · Netherlands

Clinical Trials in Harderwijk, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Netherlands 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 3171 matching records held by the registry are in this view. Synced 10 Nov 2026, 03:17 UTC
3171
Studies in scope
all four open statuses
1789
Recruiting now
open to new participants
601
Lead sponsors
across recruiting studies
Top sites
Amsterdam 1239 Rotterdam 853 Groningen 601 Nijmegen 565 Utrecht 543
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Eli Lilly and Company5 Merck Sharp & Dohme LLC4 AbbVie3 AstraZeneca3 Mirati Therapeutics Inc.2 Bristol-Myers Squibb2 Janssen Research & Development, LLC2 Hoffmann-La Roche2 GlaxoSmithKline2 Amgen2 Daiichi Sankyo2 Shanghai Henlius Biotech1 NovoCure GmbH1 Taiho Oncology, Inc.1 Pfizer1 Radboud University Medical Center1 Genmab1 Liselot Ribbert1 Gilead Sciences1 Amsterdam UMC, location VUmc1 ArriVent BioPharma, Inc.1
Site location
Amsterdam1239 Rotterdam853 Groningen601 Nijmegen565 Utrecht543 Maastricht420 Leiden385 Eindhoven208 Arnhem182 Breda172 Nieuwegein149 The Hague121 's-Hertogenbosch119 Tilburg114 Zwolle109 Enschede107 Dordrecht103 Amersfoort96 Leeuwarden87 Alkmaar86 Heerlen65 Delft60 Deventer59 Apeldoorn52 Almelo51 Show all 164
All 164 locations
Target enrolment
to

Trials with a site in Harderwijk

39 of 3171 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Netherlands
Start
Recruiting
Merck Sharp & Dohme LLC
Phase 2
750
Ede, Harderwijk, Roosendaal, Alkmaar, Sneek, Dordrecht, Groningen
2026-06-30
Recruiting
Eli Lilly and Company
Phase 3
252
Enschede, Harderwijk, Leiderdorp, Venlo
2026-06-01
Recruiting
Mirati Therapeutics Inc.
Phase 2
170
Breda, Amsterdam, Harderwijk, Utrecht
2026-05-06
Recruiting
Merck Sharp & Dohme LLC
Phase 3
876
Harderwijk, Nijmegen, Amsterdam, Tilburg, Zwolle, Leeuwarden, Amersfoort, Groningen
2026-05-04
Recruiting
Taiho Oncology, Inc.
Phase 3
360
Harderwijk, Nijmegen, Leiden
2025-12-22
Recruiting
Bristol-Myers Squibb
Phase 2/3
500
Harderwijk, Amsterdam
2025-11-05
Recruiting
Hoffmann-La Roche
Phase 3
600
Amersfoort, Amsterdam, Arnhem, Breda, Harderwijk, Leidschendam, Zwolle
2025-10-24
Recruiting
Early Versus Delayed Trial Without Catheter in Men With Acute Urinary Retention.
NCT07283484Acute Urinary Retention, Benign Prostate Obstruction, Benign Prostate Hyperplasia, Benign Prostate Hypertrophy(BPH)
Liselot Ribbert
Not applicable
478
Harderwijk, Nijmegen, Heerlen, Maastricht, Eindhoven, Amsterdam, Hoofddorp, Hengelo
2025-08-21
Recruiting
Pfizer
Phase 3
714
Harderwijk, Breda, Zwolle, Leeuwarden, Utrecht
2025-07-23
Recruiting
GlaxoSmithKline
Phase 3
981
Zutphen, Breda, Zwolle, Deventer, Enschede, Harderwijk, Hoofddorp, Nijmegen
2025-06-20
Recruiting
Eli Lilly and Company
Phase 3
700
Amsterdam, Breda, Harderwijk, Maastricht, Tilburg, Utrecht, Zwolle
2025-03-27
Not yet open
Radboud University Medical Center
Not applicable
380
Almelo, Amsterdam, Boxmeer, Harderwijk, Maastricht, Nijmegen, Roermond, Rotterdam
2025-02
Active, closed
Amgen
Phase 2
61
Amsterdam, Harderwijk, Rotterdam
2024-12-26
Active, closed
Genmab
Phase 3
191
Amsterdam, Harderwijk, Heerlen, Leiden, Nijmegen, Rotterdam, Utrecht, Zwolle
2024-11-25
Recruiting
Bristol-Myers Squibb
Phase 3
1,000
Harderwijk, Heerlen, 's-Hertogenbosch, Zwolle, Leiden, The Hague, Arnhem, Groningen
2024-10-07
Active, closed
Hoffmann-La Roche
Phase 3
338
's-Hertogenbosch, Arnhem, Breda, Harderwijk, Leidschendam, Zwolle
2024-09-23
Recruiting
Improved Prescribing for Older Nursing Home Patients
NCT06731361Nursing Home Residents, Older People, Prescribing, Advance Care Planning
Amsterdam UMC, location VUmc
Not applicable
450
Apeldoorn, Harderwijk, Amsterdam, Hilversum, IJsselstein, Vianen, Groningen
2024-09-10
Recruiting
NovoCure GmbH
Phase 3
734
Arnhem, Friesland, Harderwijk, Utrecht
2024-07-31
Recruiting
Merck Sharp & Dohme LLC
Phase 3
348
Ede, Harderwijk, Hengelo, Zwolle, Utrecht
2024-05-24
Active, closed
AbbVie
Phase 2/3
167
Harderwijk, Heerlen, Zwolle
2024-04-10
Active, closed
AstraZeneca
Phase 3
2,554
Alkmaar, Amersfoort, Dordrecht, Hardenberg, Harderwijk, Hilversum, Utrecht
2024-03-29
Recruiting
Eli Lilly and Company
Phase 3
1,264
's-Hertogenbosch, Enschede, Harderwijk, Hilversum, Leeuwarden, Leiden, Rotterdam, Tilburg
2023-12-21
Recruiting
Amgen
Phase 3
750
Amersfoort, Groningen, Harderwijk, Maastricht, Nijmegen, Tilburg, Zwolle
2023-11-16
Active, closed
Merck Sharp & Dohme LLC
Phase 3
14,550
Emmen, Hoogeveen, Apeldoorn, Doetinchem, Ede, Harderwijk, Nijmegen, Tiel
2023-10-09
Active, closed
ArriVent BioPharma, Inc.
Phase 3
398
Amsterdam, Harderwijk
2023-06-01
Active, closed
Gilead Sciences
Phase 3
1,021
Breda, Ede, Groningen, Harderwijk, Tilburg
2022-10-12
Active, closed
Daiichi Sankyo
Phase 3
586
Amsterdam, Arnhem, Harderwijk, Leiden, Rotterdam, Utrecht
2022-07-08
Active, closed
Shanghai Henlius Biotech
Phase 3
511
Harderwijk, Zwolle
2022-05-17
Recruiting
AbbVie
Phase 3
768
Harderwijk, Maastricht, Zwolle, The Hague, 's-Hertogenbosch
2022-03-25
Active, closed
Eli Lilly and Company
Phase 3
152
Harderwijk, Nijmegen
2021-12-20
Active, closed
Janssen Research & Development, LLC
Phase 3
776
Amsterdam, Harderwijk, Rotterdam
2021-11-17
Active, closed
Daiichi Sankyo
Phase 3
605
Amsterdam, Breda, Harderwijk, Rotterdam
2020-12-21
Active, closed
GlaxoSmithKline
Phase 2/3
758
Amersfoort, Enschede, Groningen, Harderwijk, Nijmegen, Utrecht, Zwolle
2020-12-08
Recruiting
Mirati Therapeutics Inc.
Phase 2/3
626
Amsterdam, Dordrecht, Harderwijk, Nijmegen, Rotterdam, The Hague, Utrecht, Zwolle
2020-12-02
Active, closed
Janssen Research & Development, LLC
Phase 3
1,074
's-Hertogenbosch, Arnhem, Harderwijk, Nijmegen
2020-09-30
Active, closed
Eli Lilly and Company
Phase 3
261
Harderwijk, 's-Hertogenbosch, Rotterdam, Amsterdam
2020-02-17
Active, closed
AstraZeneca
Phase 2
401
Blaricum, Harderwijk, Tilburg
2018-12-21
Active, closed
AbbVie
Phase 2
270
Harderwijk, Amsterdam, Amersfoort
2018-10-10
Active, closed
AstraZeneca
Phase 3
730
's-Hertogenbosch, Amsterdam, Groningen, Harderwijk, Hengelo
2018-09-27
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Dutch investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 12 November 2026. https://priyalifescience.com/clinical-trials-netherlands/city/harderwijk

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 Netherlands and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 3,171 studies in total at the last sync on 10 Nov 2026, 03:17 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 39 of those studies with a site in Harderwijk.

How many clinical trials are recruiting in Harderwijk?

19 of the 39 studies on this page are recruiting new participants as of the 10 Nov 2026, 03:17 UTC sync. A further 1 have not yet opened recruitment, 19 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 (Harderwijk), 39 studies
PhaseStudiesRecruitingShare
Phase 3271369.2%
Phase 25212.8%
Phase 2/34210.3%
Not applicable327.7%

Most active sponsors

Lead sponsors with the most studies (Harderwijk)
Lead sponsorStudiesRecruiting
Eli Lilly and Company53
Merck Sharp & Dohme LLC43
AbbVie31
AstraZeneca30
Amgen21
Bristol-Myers Squibb22
Daiichi Sankyo20
GlaxoSmithKline21
Hoffmann-La Roche21
Janssen Research & Development, LLC20
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.