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Trackers› Clinical trials› Pozuelo de Alarcón
Clinical trial register · Spain

Clinical Trials in Pozuelo de Alarcón, 2026

Every study on the ClinicalTrials.gov registry that lists a site in Spain 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 5875 matching records held by the registry are in this view. Synced 11 Oct 2026, 03:18 UTC
5875
Studies in scope
all four open statuses
3096
Recruiting now
open to new participants
1137
Lead sponsors
across recruiting studies
Top sites
Barcelona 113 Madrid 106 Seville 47 Valencia 38 L'Hospitalet de Llobregat 35
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Merck Sharp & Dohme LLC20 Hoffmann-La Roche16 Janssen Research & Development, LLC12 AstraZeneca9 Eli Lilly and Company8 Clear sponsor filter
Site location
Barcelona113 Madrid106 Seville47 Valencia38 L'Hospitalet de Llobregat35
All 70 locations
Target enrolment
to

Trials with a site in Pozuelo de Alarcón

20 of 5875 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Spain
Start
Recruiting
Merck Sharp & Dohme LLC
Phase 1/2
140
Hospitalet, Pozuelo de Alarcón, Barcelona, Seville
2026-04-30
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
L'Hospitalet de Llobregat, Bilbao, Salamanca, Jaén, Santiago de Compostela, Pozuelo de Alarcón, Valencia, Barcelona
2025-06-30
Recruiting
Merck Sharp & Dohme LLC
Phase 3
680
Canarias, A Coruña, Pozuelo de Alarcón, Barcelona, Madrid, Málaga
2024-10-21
Active, closed
Merck Sharp & Dohme LLC
Phase 3
3,000
Málaga, Centelles, Barcelona, Figueres, A Coruña, Santiago de Compostela, Pozuelo de Alarcón, Alcorcón
2024-08-05
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,200
Pozuelo de Alarcón, Madrid, Valencia, Barcelona, Córdoba, Seville
2024-04-14
Recruiting
Merck Sharp & Dohme LLC
Phase 3
780
L'Hospitalet de Llobregat, Santiago de Compostela, Las Palmas de Gran Canaria, Pozuelo de Alarcón, Barcelona, Madrid
2024-04-03
Active, closed
Merck Sharp & Dohme LLC
Phase 1/2
230
Badalona, Pozuelo de Alarcón, Madrid, Barcelona, Seville
2024-03-28
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,314
Sabadell, Barcelona, Girona, A Coruña, Las Palmas de Gran Canaria, Pozuelo de Alarcón, Burgos, Málaga
2023-12-18
Recruiting
Merck Sharp & Dohme LLC
Phase 3
614
Jerez de la Frontera, A Coruña, Pozuelo de Alarcón, Málaga, Valencia, Barcelona, Madrid, Santa Cruz de Tenerife
2023-12-15
Recruiting
Merck Sharp & Dohme LLC
Phase 3
1,200
L'Hospitalet Del Llobregat, Barcelona, Pozuelo de Alarcón, Majadahonda, San Cristóbal de La Laguna, Salamanca
2023-12-13
Active, closed
Merck Sharp & Dohme LLC
Phase 3
868
L'Hospitalet de Llobregat, Pozuelo de Alarcón, Majadahonda, Málaga, Barcelona, Seville
2023-12-06
Active, closed
Merck Sharp & Dohme LLC
Phase 3
556
Barcelona, Las Palmas de Gran Canaria, Pozuelo de Alarcón, Madrid, Málaga
2023-11-12
Recruiting
Merck Sharp & Dohme LLC
Phase 3
735
L'Hospitalet Del Llobregat, Pozuelo de Alarcón, Valencia
2023-08-08
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,089
Barcelona, Pozuelo de Alarcón, Madrid, Málaga, Valencia
2023-07-19
Active, closed
Merck Sharp & Dohme LLC
Phase 3
342
Barcelona, Pozuelo de Alarcón, Madrid, Valencia
2021-06-18
Active, closed
Merck Sharp & Dohme LLC
Phase 3
870
Majadahonda, Pozuelo de Alarcón, Málaga, Barcelona, Seville, Valencia
2020-07-06
Active, closed
Merck Sharp & Dohme LLC
Phase 3
595
Badalona, Barcelona, Cáceres, Girona, Pozuelo de Alarcón, Valencia, Madrid, Seville
2019-07-24
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,240
L'Hospitalet de Llobregat, A Coruña, Pozuelo de Alarcón, Madrid, Valencia, Barcelona, Jaén, Seville
2018-12-27
Active, closed
Merck Sharp & Dohme LLC
Phase 3
1,397
Lugo, Pozuelo de Alarcón, Pamplona, Barcelona, Madrid, Valencia
2018-12-24
Active, closed
Merck Sharp & Dohme LLC
Phase 2
329
Pozuelo de Alarcón, Barcelona
2018-12-12
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a Spanish investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 13 October 2026. https://priyalifescience.com/clinical-trials-spain/city/pozuelo-de-alarc-n

Query this register directly
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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 Spain and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 5,875 studies in total at the last sync on 11 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 20 of those studies with a site in Pozuelo de Alarcón that also match the filters currently applied.

How many clinical trials are recruiting in Pozuelo de Alarcón?

9 of the 20 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:18 UTC sync. A further 0 have not yet opened recruitment, 11 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 (Pozuelo de Alarcón), 20 studies
PhaseStudiesRecruitingShare
Phase 317885%
Phase 1/22110%
Phase 2105%

Most active sponsors

Lead sponsors with the most studies (Pozuelo de Alarcón)
Lead sponsorStudiesRecruiting
Merck Sharp & Dohme LLC209
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.