Clinical Trials in Belgium

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

Total Trials: 251 // Recruiting: 251 // Updated: Daily

Belgium currently has 251 clinical trials with at least one registered site in the country, of which 251 are actively recruiting participants. The most studied conditions at Belgium sites are Breast Cancer, Gender Dysphoria, Ulcerative Colitis, reflecting where local investigators and sponsors are concentrating enrolment.

Studies are led by sponsors including Universitaire Ziekenhuizen KU Leuven, University Hospital, Ghent, University Ghent. By stage, active Belgium trials break down as Phase 1 (19), Phase 2 (36), Phase 3 (37), Phase 4 (6). All figures update daily from ClinicalTrials.gov — select a condition below for full listings, eligibility and site contacts.

Top Conditions in Belgium

Breast Cancer 5 Gender Dysphoria 5 Ulcerative Colitis 4 Prostate Cancer 4 Stroke 4 Transgenderism 4 Erectile Dysfunction 4 Amyotrophic Lateral Sclerosis 3 Sexual Dysfunction 3 Crohn's Disease 2 Older Adults (65 Years and Older) 2 Breast Cancer Related Lymphedema 2 Cardiovascular Diseases 2 Solid Tumor 2 Ischemic Stroke 2 Liver Transplantation 2 Non-small Cell Lung Cancer 2 Colorectal Cancer 2 Esophageal Cancer 2 Atrial Fibrillation (AF) 2

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Other Countries in This Region

🇬🇷Greece 🇩🇪Germany 🇫🇷France 🇮🇹Italy 🇪🇸Spain 🇬🇧United Kingdom 🇳🇱Netherlands 🇵🇱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