Clinical trials
Observational trials in Spain
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
4,511 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 7 |
| 2002 | 5 |
| 2003 | 11 |
| 2004 | 27 |
| 2005 | 22 |
| 2006 | 35 |
| 2007 | 40 |
| 2008 | 67 |
| 2009 | 85 |
| 2010 | 92 |
| 2011 | 113 |
| 2012 | 139 |
| 2013 | 140 |
| 2014 | 181 |
| 2015 | 182 |
| 2016 | 211 |
| 2017 | 204 |
| 2018 | 275 |
| 2019 | 360 |
| 2020 | 385 |
| 2021 | 368 |
| 2022 | 368 |
| 2023 | 336 |
| 2024 | 318 |
| 2025 | 297 |
| 2026 | 217 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 2,423 |
| Unknown status | 790 |
| Recruiting | 691 |
| Active, not recruiting | 263 |
| Not yet recruiting | 122 |
| Terminated | 115 |
| Enrolling by invitation | 74 |
| Withdrawn | 28 |
| Suspended | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau | 137 |
| AstraZeneca | 93 |
| Corporacion Parc Tauli | 87 |
| Hospital Universitari Vall d'Hebron Research Institute | 74 |
| Bayer | 63 |
| Hospital Clinic of Barcelona | 50 |
| University of Valencia | 47 |
| Fundación Pública Andaluza para la gestión de la Investigación en Sevilla | 45 |
| Parc de Salut Mar | 40 |
| Hoffmann-La Roche | 39 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| COVID-19 | 143 |
| Breast Neoplasms | 86 |
| Atrial Fibrillation | 82 |
| Neoplasms | 75 |
| Heart Failure | 74 |
| Stroke | 74 |
| Coronary Artery Disease | 71 |
| Pulmonary Disease, Chronic Obstructive | 65 |
| Obesity | 54 |
| Cardiovascular Diseases | 51 |
Trials
Showing 1 to 25 of 4,511. Each trial links to its page on Pharma Observatory.
4,411 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
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