Clinical Trials in Japan

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

Total Trials: 75 // Recruiting: 75 // Updated: Daily

Japan currently has 75 clinical trials with at least one registered site in the country, of which 75 are actively recruiting participants. The most studied conditions at Japan sites are Breast Cancer, Solid Tumor, Cardiovascular Diseases, reflecting where local investigators and sponsors are concentrating enrolment.

Studies are led by sponsors including Bristol-Myers Squibb, AstraZeneca, Astellas Pharma Inc. By stage, active Japan trials break down as Phase 1 (17), Phase 2 (23), Phase 3 (11), Phase 4 (4). All figures update daily from ClinicalTrials.gov — select a condition below for full listings, eligibility and site contacts.

Top Conditions in Japan

Breast Cancer 3 Solid Tumor 2 Cardiovascular Diseases 2 Atherosclerosis 2 Hypercholesterolemia 2 Pancreatic Cancer 2 Gastric Cancer 2 Urothelial Carcinoma 2 Non-small Cell Lung Cancer (NSCLC) 2 Prostate Cancer 2 Ovarian Cancer 2 Solid Tumors 2 Amyotrophic Lateral Sclerosis (ALS) 2 Biliary Tract Cancer 2 Osteoporotic Fractures 1 Osteoporosis 1 Migraine Disorders 1 Non-Small-Cell Lung Cancer 1 Pancreatic Ductal Adenocarcinoma 1 Colorectal Cancer 1

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Other Countries in This Region

🇦🇺Australia 🇰🇷South Korea

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