Clinical Trials in Spain

Active recruiting clinical trials with sites in Spain. Select a condition below to see detailed trial listings.

Total Trials: 272 // Recruiting: 272 // Updated: Daily

Spain currently has 272 clinical trials with at least one registered site in the country, of which 272 are actively recruiting participants. The most studied conditions at Spain sites are Breast Cancer, Stroke, Melanoma, reflecting where local investigators and sponsors are concentrating enrolment.

Studies are led by sponsors including University of Valencia, Universidad Complutense de Madrid, Hospital Clinic of Barcelona. By stage, active Spain trials break down as Phase 1 (33), Phase 2 (44), Phase 3 (11), Phase 4 (8). All figures update daily from ClinicalTrials.gov — select a condition below for full listings, eligibility and site contacts.

Top Conditions in Spain

Breast Cancer 6 Stroke 5 Melanoma 5 Ovarian Cancer 5 Obesity 4 Heart Failure 4 Quality of Life 4 Colorectal Cancer 3 Postoperative Complications 3 Acute Ischemic Stroke 3 Sarcopenia 3 University Students 2 Breast Cancer Early Stage Breast Cancer (Stage 1-3) 2 Multiple Sclerosis 2 Cancer 2 Advanced Solid Tumors 2 Nevi and Melanomas 2 Pelvic Pain 2 Systemic Lupus Erythematosus 2 Infertility 2

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Other Countries in This Region

🇬🇷Greece 🇩🇪Germany 🇫🇷France 🇮🇹Italy 🇬🇧United Kingdom 🇳🇱Netherlands 🇧🇪Belgium 🇵🇱Poland 🇸🇪Sweden 🇦🇹Austria

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer · Last Reviewed: July 2026 · Data Methodology