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Trackers› Clinical trials› Donostia / San Sebastian
Clinical trial register · Spain

Clinical Trials in Donostia / San Sebastian, 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 3238 Madrid 3046 Valencia 1215 Seville 1054 Málaga 746
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca11 Hoffmann-La Roche8 Bristol-Myers Squibb5 Fundación EPIC3 Novartis Pharmaceuticals3
Site location
Barcelona3238 Madrid3046 Valencia1215 Seville1054 Málaga746
All 453 locations
Target enrolment
to

Trials with a site in Donostia / San Sebastian

109 of 5875 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in Spain
Start
Recruiting
Carolina Ortiz Cortes
Observational
430
Santiago de Compostela, Donostia / San Sebastian, Úbeda, Las Palmas de Gran Canaria, Alcorcón, Boadilla del Monte, Leganés, Majadahonda
2026-09-17
Recruiting
AstraZeneca
Phase 3
150
Badajoz, Badalona, Barcelona, Burgos, Donostia / San Sebastian, Huelva, Jaén, Las Palmas de Gran Canaria
2026-06-15
Not yet open
AB Science
Phase 3
600
Albacete, Barcelona, Donostia / San Sebastian, Granada, Madrid, Murcia, Pamplona, Zamora
2026-06
Recruiting
Eisai Inc.
Phase 2
64
Alzira, Barcelona, Donostia / San Sebastian, Madrid, Móstoles, Seville
2026-03-26
Recruiting
AstraZeneca
Phase 3
1,100
A Coruña, Badalona, Barcelona, Córdoba, Donostia / San Sebastian, Girona, L'Hospitalet de Llobregat, Madrid
2025-12-29
Recruiting
LEvetiracetam to Prevent Seizures in Symptomatic Alzheimer's Disease in Adults With Down Syndrome
NCT07234695Down Syndrome, Down Syndrome (DS), Down Syndrome (Trisomy 21), Alzheimer Dementia
DrugLevetiracetam
Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Phase 3
120
Granada, Donostia / San Sebastian, Santander, Barcelona, Madrid
2025-12-22
Recruiting
Eli Lilly and Company
Phase 3
800
Badajoz, Barcelona, Cáceres, Donostia / San Sebastian, Granada, Hospitalet, Jaén, Las Palmas de Gran Canaria
2025-12-22
Recruiting
Fundación EPIC
Not applicable
2,100
Alicante, Badalona, Barakaldo, Barcelona, Castelló, Donostia / San Sebastian, El Palmar, Fuencarral-El Pardo
2025-12-19
Active, closed
Phase 2 Study of SAT-3247 in Pediatric Ambulatory Patients
NCT07287189Duchenne Muscular Dystrophy, Duchenne, DMD, Neuromuscular Diseases
DrugSAT-3247
Satellos Bioscience, Inc.
Phase 2
51
Donostia / San Sebastian, Valencia, Barcelona
2025-12-08
Not yet open
Biogipuzkoa Health Research Institute
Not applicable
104
Donostia / San Sebastian
2025-12-01
Recruiting
Hoffmann-La Roche
Phase 3
900
Elche, Sant Cugat del Vallès, Donostia / San Sebastian, A Coruña, Alcorcón, Pozuelo de Alarcón, Barcelona, Madrid
2025-11-24
Recruiting
AbbVie
Phase 2
400
Santander, Donostia / San Sebastian, Las Palmas de Gran Canaria, Majadahonda, Seville, A Coruña, Barcelona, Girona
2025-11-13
Recruiting
AbbVie
Phase 3
561
Córdoba, Donostia / San Sebastian, Majadahonda, Asturias, Seville, Barcelona, Madrid, Valencia
2025-11-05
Recruiting
Oncomatryx Biopharma S.L.
Phase 1
69
Barcelona, Donostia / San Sebastian, L'Hospitalet de Llobregat, Madrid, Pamplona, Santiago de Compostela
2025-10-28
Recruiting
Novo Nordisk A/S
Phase 3
1,280
A Coruña, Badalona, Barcelona, Bilbao, Córdoba, Donostia / San Sebastian, L'Hospitalet de Llobregat, Las Palmas de Gran Canaria
2025-10-02
Active, closed
Hoffmann-La Roche
Phase 3
1,101
Sant Cugat del Vallès, Terrassa, Donostia / San Sebastian, Lleida, Pozuelo de Alarcón, Barcelona, Córdoba, Madrid
2025-09-17
Recruiting
Bristol-Myers Squibb
Phase 2/3
600
A Coruña, Elche, Barcelona, Hospitalet, Donostia / San Sebastian, Madrid, Málaga, Valencia
2025-09-11
Recruiting
AstraZeneca
Phase 2
55
A Coruña, Alcorcón, Badalona, Barcelona, Burgos, Donostia / San Sebastian, Gijón, Madrid
2025-09-05
Recruiting
Inspiratory Muscle Training in Amiotrophyc Lateral Sclerosis
NCT07413718Amyotrophic Lateral Slerosis
University Ramon Llull
Not applicable
44
Donostia / San Sebastian
2025-09-01
Recruiting
Spanish Cooperative Group for the Treatment of Digestive Tumours (TTD)
Phase 1
15
Zaragoza, Barcelona, Santander, Córdoba, Donostia / San Sebastian, Madrid, Málaga, Pamplona
2025-08-08
Recruiting
Bristol-Myers Squibb
Phase 3
586
Barcelona, Donostia / San Sebastian, Santander, Pozuelo de Alarcón, Valencia, Madrid
2025-07-21
Active, closed
Juno Therapeutics, Inc., a Bristol-Myers Squibb Company
Phase 2
89
Barcelona, Esplugues de Llobregat, Donostia / San Sebastian, Madrid, Málaga, Murcia
2025-07-14
Recruiting
BioNTech SE
Phase 3
480
Barcelona, Córdoba, Donostia / San Sebastian, Girona, Madrid, Valencia
2025-06-10
Recruiting
Grupo Español Multidisciplinar de Melanoma
Phase 2
33
A Coruña, Barcelona, Burgos, Santander, Cáceres, Donostia / San Sebastian, Madrid, Majadahonda
2025-05-29
Recruiting
Ultrasound-Innovation Medtech, S.L.
Not applicable
457
A Coruña, Barcelona, Bilbao, Donostia / San Sebastian, Granada, Las Palmas de Gran Canaria, Madrid, Málaga
2025-05-10
By invitation
ESCAPE10: Epidemiology, Risk Factors, and Outcomes of Severe Community-acquired Pneumonia in Elderly Patients Acquired Pneumonia in Elderly Patients
NCT07070284Severe Community-Acquired Pneumonia (sCAP), Elderly Infection, Community-Acquired Infections, Health Care Quality, Access, and Evaluation
Joan Sabater-Riera
Observational
500
Seville, L'Hospitalet de Llobregat, Barcelona, Sabadell, Donostia / San Sebastian
2025-05-01
Recruiting
AstraZeneca
Phase 3
600
A Coruña, Córdoba, Donostia / San Sebastian, El Palmar, L'Hospitalet de Llobregat, Madrid, Palma de Mallorca, Valencia
2025-03-27
Active, closed
Daiichi Sankyo Europe, GmbH, a Daiichi Sankyo Company
Observational
2,000
Albacete, Alicante, Barakaldo, Burgos, Cadiz, Cantabria, Córdoba, Donostia / San Sebastian
2025-02-12
Active, closed
Genmab
Phase 3
584
A Coruña, Donostia / San Sebastian, El Palmar, Madrid, Seville, Valencia, Zaragoza
2025-02-07
Recruiting
Incyte Corporation
Phase 3
240
Barcelona, Donostia / San Sebastian, L'Hospitalet de Llobregat, Las Palmas de Gran Canaria, Madrid, Majadahonda, Salamanca, Seville
2025-01-21
Active, closed
AstraZeneca
Phase 3
101
Alicante, Barcelona, Bilbao (Vizcaya), Córdoba, Donostia / San Sebastian, El Palmar, Girona, Madrid
2025-01-07
Active, closed
Merck Sharp & Dohme LLC
Phase 3
67
Donostia / San Sebastian, Barcelona, Huelva, Seville
2024-11-21
Active, closed
Denali Therapeutics Inc.
Phase 2
50
Barcelona, Donostia / San Sebastian, Madrid, Santander, Seville
2024-10-24
Recruiting
Study of ATX-01 in Participants With DM1
NCT06300307Myotonic Dystrophy 1
ARTHEx Biotech S.L.
Phase 1/2
56
Donostia / San Sebastian
2024-10-15
Recruiting
Fundación Pública Andaluza para la gestión de la Investigación en Sevilla
Phase 4
284
Alava, Barakaldo, Barcelona, Donostia / San Sebastian, Granada, Logroño, Madrid, Málaga
2024-10-09
Recruiting
Fundación para la investigación biomética Hospital Infantil Universitario Niño Jesús
Not applicable
42
A Coruña, Almería, Seville, Palma, Salamanca, Barcelona, Donostia / San Sebastian, Madrid
2024-10-01
Active, closed
Takeda
Phase 3
2,099
Donostia / San Sebastian, Manises
2024-09-04
Active, closed
Celgene
Phase 3
850
A Coruña, Badalona, L'Hospitalet Del Llobregat, Barakaldo, Santa Cruz de Tenerife, Donostia / San Sebastian, Majadahonda, El Palmar, Murcia
2024-06-19
Recruiting
Immunological Characteristics of Preclinical IBD
NCT05698745Crohn Disease, Ulcerative Colitis, IBD
Grupo Espanol de Trabajo en Enfermedad de Crohn y Colitis Ulcerosa
Observational
450
Santiago de Compostela, Badalona, Manresa, Terrassa, Donostia / San Sebastian, Vigo, Gijón, Oviedo
2024-06-01
Active, closed
Hoffmann-La Roche
Phase 2
256
Sant Cugat del Vallès, Donostia / San Sebastian, Pozuelo de Alarcón, Salamaca, Barcelona, Córdoba, Madrid, Seville
2024-05-02
Active, closed
Dimethyl Fumarate in Adrenomyeloneuropathy
NCT06513533Adrenomyeloneuropathy Without Cerebral Involvement
DrugDimethyl Fumarate
Pujol, Aurora, M.D.
Phase 2/3
40
L'Hospitalet de Llobregat, Donostia / San Sebastian, Madrid
2024-04-23
Active, closed
AstraZeneca
Phase 2
76
Barcelona, Donostia / San Sebastian, Granada, Madrid
2024-04-21
Active, closed
A Study to Investigate Long-term Safety and Tolerability of Tolebrutinib in Participants With Multiple Sclerosis.
NCT06372145Relapsing Multiple Sclerosis, Secondary Progressive Multiple Sclerosis, Progressive Relapsing Multiple Sclerosis
DrugTeriflunomide
Sanofi
Phase 3
2,500
A Coruña, Seville, Barcelona, L'Hospitalet de Llobregat, Barakaldo, Santiago de Compostela, Donostia / San Sebastian, Salt
2024-04-16
Recruiting
Verastem, Inc.
Phase 3
270
El Palmar, Donostia / San Sebastian, Barcelona, Córdoba, Madrid, Santiago de Compostela, Valencia
2024-03-18
Active, closed
Acumen Pharmaceuticals
Phase 2
542
Sant Cugat del Vallès, Cuarte de Huerva, Barcelona, Donostia / San Sebastian, Getxo, Madrid, Seville, Valencia
2024-02-29
Active, closed
Astellas Gene Therapies
Not applicable
119
Albacete, Barcelona, Donostia / San Sebastian, L'Hospitalet de Llobregat, Madrid, Valencia
2024-02-01
Active, closed
Janssen Research & Development, LLC
Phase 3
838
Asturias, Barcelona, Burgos, Cáceres, Donostia / San Sebastian, Granada, Lugo, Madrid
2024-01-22
Recruiting
Hospital Universitario Central de Asturias
Observational
100
A Coruña, Badalona, Barcelona, Burgos, Donostia / San Sebastian, Madrid, Málaga, Oviedo
2024-01-12
Recruiting
Daiichi Sankyo
Phase 3
250
Barcelona, Donostia / San Sebastian, Granada, Las Palmas de Gran Canaria, Madrid, Majadahonda, Murcia, Pamplona
2023-12-30
Active, closed
Sanofi
Phase 3
943
Murcia, Barcelona, Barakaldo, L'Hospitalet de Llobregat, Donostia / San Sebastian, Girona, Las Palmas de Gran Canaria, Lleida
2023-12-27
By invitation
Edgewise Therapeutics, Inc.
Phase 2
260
Barcelona, Donostia / San Sebastian, Valencia
2023-11-02
Recruiting
Centre Hospitalier Universitaire de Nice
Not applicable
50
Donostia / San Sebastian
2023-10-03
Recruiting
Asociación Europea y Latinoamericana SELNET para la Investigación en Sarcomas
Phase 2
88
Santa Cruz de Tenerife, Barcelona, Donostia / San Sebastian, Madrid, Murcia, Valencia, Zaragoza
2023-09-28
Recruiting
GlaxoSmithKline
Phase 3
892
Badajoz, BaracaldoVizcaya, Barcelona, Córdoba, Donostia / San Sebastian, Elche Alicante, Granada, Jaén
2023-08-01
Active, closed
AC Immune SA
Phase 2
150
Barcelona, Donostia / San Sebastian, Madrid, Majadahonda, Pozuelo de Alarcón
2023-07-24
Active, closed
Swedish Orphan Biovitrum
Observational
165
Badalona, Barakaldo, Barcelona, Bilbao, Donostia / San Sebastian, El Palmar, Huelva, Las Palmas de Gran Canaria
2023-06-26
Recruiting
Development and Validation of a Blood Test for Early Diagnosis of Colorectal Cancer
NCT06889883Colorectal Carcinoma, Advanced Adenomas (AA)
ADVANCED MARKER DISCOVERY S.L.
Observational
510
Zaragoza, Bilbao, Donostia / San Sebastian, Santander, Salamanca, Barcelona, Madrid, Oviedo
2023-06-06
Active, closed
PIK3CA/PTEN-altered Advanced Breast Cancer Treated With MEN1611 Monotherapy or in Combination With Eribulin
NCT05810870Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer
DrugEribulin
MedSIR
Phase 2
14
Granada, Seville, Donostia / San Sebastian, Santander, A Coruña, Torrejón de Ardoz, Vigo, Barcelona
2023-05-24
Recruiting
Debiopharm International SA
Phase 1/2
116
Barcelona, Donostia / San Sebastian, Madrid, Pamplona, Valencia
2023-05-15
Active, closed
Fundación de Investigación Biomédica - Hospital Universitario de La Princesa
Observational
350
Zaragoza, Donostia / San Sebastian, Santander, Valladolid, Barcelona, Madrid, Valencia
2023-04-26
Active, closed
Karyopharm Therapeutics Inc
Phase 3
257
Donostia / San Sebastian, Zaragoza, Badalona, Barcelona, Córdoba, Girona, Granada, Madrid
2023-04-18
Active, closed
Bristol-Myers Squibb
Phase 3
579
A Coruña, Barcelona, Donostia / San Sebastian, Jaén, Madrid, Valencia, Badalona, Las Palmas de Gran Canaria
2023-03-06
Active, closed
Pfizer
Phase 3
624
A Coruña, Elche, Badalona, Barcelona, Bilbao, L'Hospitalet de Llobregat, Donostia / San Sebastian, Lleida
2023-03-03
Active, closed
Agenus Inc.
Phase 2
150
Barcelona, Donostia / San Sebastian, Madrid, Seville, Valencia
2022-12-12
Recruiting
Gilead Sciences
Phase 3
1,514
A Coruña, Badalona, Barakaldo, Barcelona, Castellon, Cáceres, Córdoba, Donostia / San Sebastian
2022-12-12
Recruiting
Janssen Research & Development, LLC
Phase 2/3
201
Alicante, Barcelona, Bilbao, Donostia / San Sebastian, Madrid, Seville
2022-09-23
Active, closed
Regeneron Pharmaceuticals
Phase 3
1,546
Córdoba, Badalona, Barcelona, Donostia / San Sebastian, El Palmar, Oviedo, A Coruña, Girona
2022-07-14
Active, closed
Biohaven Pharmaceuticals, Inc.
Phase 3
269
Donostia / San Sebastian, Esplugues de Llobregat, Málaga, Valencia
2022-07-06
Active, closed
Fundación Pública Andaluza para la gestión de la Investigación en Sevilla
Phase 4
306
Palma de Mallorca, L'Hospitalet de Llobregat, Sabadell, Barakaldo, Jerez de la Frontera, Puerto Real, Donostia / San Sebastian, Logroño
2022-04-28
Active, closed
AstraZeneca
Phase 3
760
Barcelona, Córdoba, Donostia / San Sebastian, Madrid
2022-03-28
Active, closed
Denali Therapeutics Inc.
Phase 1/2
85
Barcelona, Donostia / San Sebastian, Seville
2022-02-01
Active, closed
Prospective Registry of ihtDEStiny® Coronary Stent in Regular PCI Practice
NCT04899141Coronary Artery Disease, Ischemic Heart Disease
Fundación EPIC
Observational
400
Málaga, Barakaldo, Barcelona, Cáceres, Ciudad Real, Donostia / San Sebastian, Elche, Galdakao
2021-10-29
Recruiting
Hoffmann-La Roche
Phase 1
542
Donostia / San Sebastian, Majadahonda, Barcelona, Madrid, Valencia, Zaragoza
2021-10-22
Active, closed
Nelum Corp
Phase 1/2
28
Santiago de Compostela, Málaga, Zaragoza, Donostia / San Sebastian, Barcelona, Santander
2021-09-01
Active, closed
Novartis Pharmaceuticals
Phase 3
208
Santiago Compostela, Donostia / San Sebastian, Barcelona
2021-07-27
Active, closed
Hoffmann-La Roche
Phase 3
761
Sabadell, Santander, Córdoba, Donostia / San Sebastian, Barcelona, Madrid, Seville, Valencia
2021-05-03
Active, closed
ANGiographic Evaluation of Left Main Coronary Artery INtErvention
NCT04604197Coronary Occlusion, Left Main Coronary Artery Disease, Coronary Artery Stenosis, Coronary Disease
Fundación EPIC
Not applicable
400
Badalona, Barakaldo, Donostia / San Sebastian, Málaga, Galdakao, A Coruña, Albacete, Alicante
2021-04-16
Active, closed
Hoffmann-La Roche
Phase 1/2
241
Sant Cugat del Vallès, Donostia / San Sebastian, Barcelona, Madrid, Valencia
2021-03-15
Recruiting
Syndax Pharmaceuticals
Phase 2
296
Seville, Barcelona, Donostia / San Sebastian, Granada, Madrid, Majadahonda, Salamanca, Santander
2021-03-04
Active, closed
Prevail Therapeutics
Phase 1/2
35
Barcelona, Donostia / San Sebastian
2020-11-09
Active, closed
Hoffmann-La Roche
Phase 3
992
L'Hospitalet de Llobregat, Donostia / San Sebastian, Pozuelo de Alarcón, A Coruña, Barcelona, Madrid, Seville, Valencia
2020-10-09
Active, closed
AstraZeneca
Phase 3
185
Badalona, Barcelona, Córdoba, Donostia / San Sebastian, Granada, Madrid, Pamplona, Valencia
2020-08-04
Active, closed
Eisai Inc.
Phase 3
1,400
Barcelona, Donostia / San Sebastian, Madrid, Santander
2020-07-14
Recruiting
Michael J. Fox Foundation for Parkinson's Research
Observational
4,500
Barcelona, Donostia / San Sebastian
2020-07-01
Recruiting
University Hospital Muenster
Phase 3
683
Alicante, Almería, Badajoz, Barakaldo, Barcelona, Donostia / San Sebastian, Esplugues de Llobregat, Granada
2019-08-23
Recruiting
Bristol-Myers Squibb
Phase 2
1,500
Donostia / San Sebastian, Majadahonda, Pamplona, A Coruña, Alicante, Badalona, Barcelona, Burgos
2019-08-09
Active, closed
Tesaro, Inc.
Phase 3
785
Barcelona, Donostia / San Sebastian, Madrid, Málaga, Murcia, Valencia
2019-07-18
Active, closed
Grupo Español de Investigación en Cáncer de Ovario
Phase 2
134
Elche, Donostia / San Sebastian, Girona, Madrid, Vigo, Seville, Valencia, Barcelona
2019-06-28
Active, closed
Eisai Inc.
Phase 3
1,906
Sant Cugat del Vallès, Getxo, Donostia / San Sebastian, Barcelona, Córdoba, Madrid, Salamanca, Seville
2019-03-27
Active, closed
AstraZeneca
Phase 2
367
Córdoba, Donostia / San Sebastian, Madrid, Málaga, Valencia, Zaragoza
2019-01-09
Active, closed
Novartis Pharmaceuticals
Phase 3
1,882
Cadiz, L'Hospitalet de Llobregat, Barcelona, Donostia / San Sebastian, Salt, Majadahonda, Pozuelo de Alarcón, El Palmar
2018-12-28
Active, closed
AstraZeneca
Phase 3
825
Alicante, Barcelona, Donostia / San Sebastian, Madrid, Málaga, Oviedo, Pamplona, Santiago de Compostela (A Coruña)
2018-12-06
Recruiting
Efficacy of Daromun Neoadjuvant Intratumoral Treatment in Clinical Stage IIIB/C/D Melanoma Patients
NCT03567889Melanoma Stage IIIB, Melanoma Stage IIIC, Melanoma Stage IIID
DrugDaromun
Philogen S.p.A.
Phase 3
186
Badalona, Barcelona, Las Palmas de Gran Canaria, Donostia / San Sebastian, Madrid, Málaga, Murcia, Seville
2018-09-20
Active, closed
Merck Sharp & Dohme LLC
Phase 3
976
Donostia / San Sebastian, Valencia, Barcelona, Madrid, Seville
2018-09-12
Active, closed
Xynomic Pharmaceuticals, Inc.
Phase 2
139
Donostia / San Sebastian, Barcelona, Córdoba, Madrid
2018-08-27
Active, closed
Biotronik SE & Co. KG
Observational
3,030
Alicante, Barcelona, Burgos, Donostia / San Sebastian, Madrid, Málaga, Valencia, Vigo
2018-05-14
Active, closed
Centre Hospitalier Universitaire de Besancon
Not applicable
989
Barcelona, Castellon, Donostia / San Sebastian, Girona, Madrid, Vigo
2018-05-03
Active, closed
Bristol-Myers Squibb
Phase 3
545
Barcelona, Córdoba, Donostia / San Sebastian, Madrid, Pamplona, Sabadell (Barcelona), Seville, Valencia
2018-04-18
Active, closed
Novartis Pharmaceuticals
Phase 3
206
Donostia / San Sebastian, Barcelona, Madrid, Seville, Valencia
2017-08-23
Active, closed
Hoffmann-La Roche
Phase 2
316
Sant Cugat del Vallès, Donostia / San Sebastian, Alcorcón, Pamplona/iruña, Barcelona, Madrid, Seville
2017-06-27
Active, closed
Tesaro, Inc.
Phase 3
733
Badalona, Barcelona, Córdoba, Donostia / San Sebastian, Elche Alicante, Girona, Madrid, Seville
2016-07-11
Active, closed
AstraZeneca
Phase 3
682
A Coruña, Barcelona, Donostia / San Sebastian, Elche, Las Palmas de Gran Canaria, Madrid, Majadahonda, Málaga
2015-10-21
Recruiting
The European NAFLD Registry
NCT04442334NAFLD, NASH, NASH - Nonalcoholic Steatohepatitis, Fibrosis, Liver
Newcastle University
Observational
10,000
Barcelona, Donostia / San Sebastian, Majadahonda, Santander, Seville, Valladolid
2015-05-01
Active, closed
ETOP IBCSG Partners Foundation
Not applicable
518
El Palmar, Barcelona, Donostia / San Sebastian, Girona, Madrid, Málaga, Oviedo, Palma
2014-12-04
Active, closed
Eli Lilly and Company
Phase 3
493
Badajoz, Barcelona, Donostia / San Sebastian, Lleida, Madrid, Valencia
2014-11-06
Active, closed
University of Sydney
Phase 3
802
Badalona, Donostia / San Sebastian, Salamanca
2014-03
Active, closed
MedImmune LLC
Phase 2
571
Barcelona, Donostia / San Sebastian, Madrid, Sabadell (Barcelona), Seville
2013-05-17
Active, closed
Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer
NCT01272037Breast Ductal Carcinoma In Situ, Invasive Breast Carcinoma, Multicentric Breast Carcinoma, Multifocal Breast Carcinoma
DrugsTamoxifen Citrate·Tamoxifen·Exemestane·Anastrozole
National Cancer Institute (NCI)
Phase 3
5,018
A Coruña, Albacete, Barcelona, Castellon, Cáceres, Donostia / San Sebastian, Girona, Madrid
2011-02-28
Active, closed
Genentech, Inc.
Phase 2
378
Elche, Jerez de la Frontera, Donostia / San Sebastian, Barcelona, Cáceres, Lleida, Madrid, Zaragoza
2008-10-16
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Priya Life Science (2026). Clinical trial register: studies with a Spanish investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 12 October 2026. https://priyalifescience.com/clinical-trials-spain/city/donostia-san-sebastian

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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 109 of those studies with a site in Donostia / San Sebastian.

How many clinical trials are recruiting in Donostia / San Sebastian?

43 of the 109 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:18 UTC sync. A further 2 have not yet opened recruitment, 62 are active but closed to new participants, and 2 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Donostia / San Sebastian), 109 studies
PhaseStudiesRecruitingShare
Phase 3501745.9%
Phase 223721.1%
Observational12611%
Not applicable1059.2%
Phase 1/2625.5%
Phase 1332.8%
Phase 2/3322.8%
Phase 4211.8%

Most active sponsors

Lead sponsors with the most studies (Donostia / San Sebastian)
Lead sponsorStudiesRecruiting
AstraZeneca114
Hoffmann-La Roche82
Bristol-Myers Squibb53
Eisai Inc.31
Fundación EPIC31
Novartis Pharmaceuticals30
AbbVie22
Denali Therapeutics Inc.20
Eli Lilly and Company21
Fundación Pública Andaluza para la gestión de la Investigación en Sevilla21
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.