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Clinical trials in Ireland

2,711 studies list at least one site in Ireland. 400 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-11-10.

Get an email when these change. Save the studies in Ireland recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

Watch these studies
See an example email

Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

One email a week for all your saved searches. Stop any time.

Status

Completed
1,558
Recruiting
342
Active, not recruiting
272
Status unknown
251
Terminated
194
Not yet recruiting
35

Phase

Phase 3
954
Phase 2
392
Phase 4
135
Phase 1
102
Early Phase 1
3

Most studied here

Who runs them

University College Cork (113) · University College Dublin (102) · Royal College of Surgeons, Ireland (75) · Novartis Pharmaceuticals (73) · Bristol-Myers Squibb (71) · Cancer Trials Ireland (70) · University of Dublin, Trinity College (69) · Merck Sharp & Dohme LLC (60)

What changed recently

From the registry's own updates since Oct 12, 2026.

Started recruiting2

First site in Ireland9

Show 4 more

Results posted2

Newly registered5

Studies

Recruiting first, then most recently updated. Showing 50 of 2,711 — search for more.