Clinical trials in Japan

9,427 studies list at least one site in Japan. 1,298 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-11-10.

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Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

One email a week for all your saved searches. Stop any time.

Status

Completed: 5,925
Recruiting: 1,189
Active, not recruiting: 1,061
Terminated: 721
Status unknown: 359
Enrolling by invitation: 55

Phase

Phase 3: 3,848
Phase 2: 2,296
Phase 1: 1,743
Phase 4: 398
Early Phase 1: 8

Most studied here

Who runs them

AstraZeneca (533) · Novartis Pharmaceuticals (469) · Pfizer (407) · Eli Lilly and Company (383) · GlaxoSmithKline (325) · Boehringer Ingelheim (304) · Bayer (269) · Takeda (263)

What changed recently

From the registry's own updates since Oct 11, 2026.

Started recruiting36

A Study of KarXT + KarX-EC for Treatment of Irritability in Children and Adolescents With Autism Spectrum DisorderNov 10, 2026NCT07285798
A Study of Mezagitamab in Adults With Late Antibody-Mediated Rejection (AMR) After a Kidney TransplantNov 6, 2026NCT07613359
A Study to Learn About Safety and Effects of Once-monthly Treatment With Berobenatide in Adults With Obesity Disease in Japan (VESPER-JM)Nov 6, 2026NCT07794774
Study to Learn About a Respiratory Syncytial Virus Vaccine in Children at High Risk of RSV DiseaseNov 6, 2026NCT07839871
A Study of EloraTZP in Adult Participants With Obesity or Overweight and Type 2 DiabetesNov 4, 2026NCT07881458

Show 31 more

Mo-Rez in First- Line (1L) Maintenance Treatment of Non-Homologous Recombination Deficient Ovarian Cancer (Non-HRd OC) [BEHOLD-Ovarian03]Nov 3, 2026NCT07694427
A Study of JNJ-95597528 in Participants With Inadequately Controlled Moderate to Severe AsthmaNov 3, 2026NCT07746687
Symbiotic-GYN-18: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Advanced or Recurrent MMR-proficient Endometrial CancerOct 30, 2026NCT07578649
A Study to Evaluate Safety and Clinical Activity of GSK5926371 in Adult Participants With Relapsed or Refractory B-NHLOct 30, 2026NCT07607925
The Clinical Trial of Tamibarotene for Patients With HFpEF (RELIEF Trial)Oct 30, 2026NCT07855692
Beamion LUNG-1: A Study to Test Different Doses of Zongertinib in People With Different Types of Advanced Cancer (Solid Tumours With Changes in the HER2 Gene)Oct 28, 2026NCT04886804
Clinical Trial of NS-863 in Participants With Pulmonary Arterial Hypertension (PAH)Oct 28, 2026NCT07441200
A Study of DS-3939a in Participants With Solid TumorsOct 28, 2026NCT07739966
A Research Study Investigating Denecimig (Mim8) in Adults With Acquired Haemophilia AOct 28, 2026NCT07830732
A Study to Test Different Doses of BI 3968621 When Given Alone or With Ezabenlimab in Patients With Advanced CancerOct 28, 2026NCT07851103
A Clinical Trial of NS-863 in Participants With Pulmonary Hypertension Associated With Interstitial Lung Disease (PH-ILD)Oct 27, 2026NCT07441278
A Study to Evaluate the Effect of ARGX-121 on the Change in Proteinuria in Adult Participants With IgANOct 27, 2026NCT07773727
An Observational Study to Learn More About How Well Damoctocog Alfa Pegol Works in Previously Treated Children With Hemophilia AOct 26, 2026NCT07088458
Risankizumab for Refractory Perianal Fistulizing Crohn's DiseaseOct 23, 2026NCT07872449
Endocardial Delivery for Myocardial Regeneration Using Allogeneic iPSC-derived Cardiomyocyte Spheroids for HF With Systolic Dysfunction (EMERALD Study)Oct 22, 2026NCT07347197
A Study of the Safety and Effectiveness of Onasemnogene Abeparvovec (Zolgensma) Intrathecal Injection in Spinal Muscular Atrophy PatientsOct 22, 2026NCT07767890
A Study of LY4405094 in Healthy Participants and Participants With Alzheimer's DiseaseOct 22, 2026NCT07787182
Study to Test the Safety and Tolerability of PF-07220060 in Participants With Advance Solid TumorsOct 21, 2026NCT04557449
A Phase III, Multicentre Study to Evaluate Consolidation Treatment With AZD0120 Compared With ASCT, in Participants With Newly Diagnosed Multiple Myeloma Who Are Transplant Eligible (DURGA-6).Oct 21, 2026NCT07735637
A Study of Orforglipron (LY3502970) Compared With Dulaglutide in Pediatric Participants With Type 2 DiabetesOct 19, 2026NCT07668336
A Study to Assess the Effectiveness and Safety of Pacritinib in Patients With VEXAS Syndrome (PAXIS)Oct 16, 2026NCT06782373
Torvutatug Samrotecan With or Without Bevacizumab as Maintenance Treatment of Platinum-sensitive Relapsed Epithelial Ovarian CancerOct 16, 2026NCT07816666
A Study to Test Whether BI 764524 Helps People With an Eye Condition Called Diabetic RetinopathyOct 15, 2026NCT06321302
A Study to Evaluate the Safety and Efficacy of MK-1406/CD388 for Prevention of Influenza (MK-1406-005/CD388.SQ.3.06)Oct 15, 2026NCT07159763
A Study to Investigate Mocertatug Rezetecan as Maintenance Treatment for Participants With MMRp Endometrial Cancer (BEHOLD-Endometrial02)Oct 15, 2026NCT07684599
Saruparib in Combination With Physician's Choice of ARPI in Patients With mHSPC Previously Treated With Docetaxel or 177Lu-PSMA Therapy Without Disease Progression and PSA ≥ 0.2 ng/mL (EvoPAR-PR05)Oct 15, 2026NCT07711002
A Study to Learn About Safety and Effects of Once-weekly Treatment With Berobenatide in Adults With Obesity Disease in Japan (VESPER-JW)Oct 15, 2026NCT07794761
A Study to Assess the Efficacy and Safety of GSK5784283 (Felcorekibart) in Participants With Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)Oct 14, 2026NCT07782970
A Study to Test How Well Different Doses of BI 4060107 Are Tolerated by People With Advanced Cancer (Solid Tumours)Oct 14, 2026NCT07827144
A Study to Assess Zipalertinib Versus Placebo in Participants With Early Stage NSCLC With Uncommon EGFR Mutations, Following Complete Tumor ResectionOct 13, 2026NCT07128199
A Study to Test Obrixtamig in Combination With Pumitamig in People With Advanced Small Cell Lung Cancer (Dareon®-Rosetta35)Oct 13, 2026NCT07843940

First site in Japan33

A Study of Enlicitide Decanoate (MK-0616, an Oral PCSK9 Inhibitor) in Children and Adolescents With Heterozygous Familial Hypercholesterolemia (MK-0616-029)Nov 10, 2026NCT07058077
Real-World Study of Foslevodopa/Foscarbidopa to Assess Quality of Life Outcomes in Adult Participants Earlier Within Advanced Parkinson DiseaseNov 10, 2026NCT07227896
Tezepelumab CRSwNP Real World Study (CREW Study)Nov 10, 2026NCT07790198
A Phase III Study of Eque-cel in Subjects With Len-refractory RRMM (FUMANBA-03)Nov 6, 2026NCT06464991
A Study of Trontinemab in Cognitively Unimpaired Individuals at Risk for Progression to Symptomatic Alzheimer's DiseaseNov 6, 2026NCT07717411

Show 28 more

A Study to Investigate the Efficacy and Safety of GSK5784283 (Felcorekibart) Compared With Placebo in Participants With Moderate to Very Severe COPD (PERSIST COPD-1)Nov 5, 2026NCT07780669
A Study to Assess the Efficacy and Safety of GSK5784283 (Felcorekibart) in Participants With Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)Nov 5, 2026NCT07782970
ADAPT Forward 2 - ISA2 - a Study to Evaluate the Safety, Tolerability and Efficacy of Empasiprubart IV Monotherapy in Participants With AChR-Ab Seropositive Generalized Myasthenia GravisNov 4, 2026NCT07673627
A Study of JNJ-95597528 in Participants With Inadequately Controlled Moderate to Severe AsthmaNov 3, 2026NCT07746687
A Study of JNJ-101556143 in Participants With Metastatic Prostate CancerNov 3, 2026NCT07832292
Assessment of Worldwide Acute Kidney Injury Epidemiology in Neonates 2.0Oct 28, 2026NCT06823115
Clinical Trial of NS-863 in Participants With Pulmonary Arterial Hypertension (PAH)Oct 28, 2026NCT07441200
A Study of DS-3939a in Participants With Solid TumorsOct 28, 2026NCT07739966
Phase 2b Open-Label Repeat Kidney Biopsy StudyOct 27, 2026NCT06740526
A Study to Evaluate the Safety and Efficacy of MK-1406/CD388 for Prevention of Influenza (MK-1406-005/CD388.SQ.3.06)Oct 27, 2026NCT07159763
A Clinical Trial of NS-863 in Participants With Pulmonary Hypertension Associated With Interstitial Lung Disease (PH-ILD)Oct 27, 2026NCT07441278
Study of Advanced Therapies for the Treatment of Adult Participants With Moderately to Severely Active Crohn's Disease or Ulcerative ColitisOct 27, 2026NCT07697456
A Study to Assess Adverse Events, Change in Disease Activity and Optimal Dose of Intravenous (IV) Telisotuzumab Adizutecan With IV Pembrolizumab for First-Line Treatment of Adult Participants With Recurrent or Metastatic Head and Neck Squamous Cell CarcinomaOct 27, 2026NCT07744126
An Observational Study to Learn More About How Well Damoctocog Alfa Pegol Works in Previously Treated Children With Hemophilia AOct 26, 2026NCT07088458
A Study to Evaluate the Safety and Effectiveness of Upadacitinib in Pediatric Participants With Alopecia AreataOct 23, 2026NCT07772492
Endocardial Delivery for Myocardial Regeneration Using Allogeneic iPSC-derived Cardiomyocyte Spheroids for HF With Systolic Dysfunction (EMERALD Study)Oct 22, 2026NCT07347197
Long-Term Follow-up Study of Cantharidin (YCANTH [VP-102/TO-208]) in Patients With Common Warts (Verruca Vulgaris)Oct 22, 2026NCT07457918
A Study of the Safety and Effectiveness of Onasemnogene Abeparvovec (Zolgensma) Intrathecal Injection in Spinal Muscular Atrophy PatientsOct 22, 2026NCT07767890
Prevail Global StudyOct 21, 2026NCT06535854
A Phase III, Multicentre Study to Evaluate Consolidation Treatment With AZD0120 Compared With ASCT, in Participants With Newly Diagnosed Multiple Myeloma Who Are Transplant Eligible (DURGA-6).Oct 21, 2026NCT07735637
A Study to Evaluate the Effect of ARGX-121 on the Change in Proteinuria in Adult Participants With IgANOct 16, 2026NCT07773727
A Study to Investigate Mocertatug Rezetecan as Maintenance Treatment for Participants With MMRp Endometrial Cancer (BEHOLD-Endometrial02)Oct 15, 2026NCT07684599
Saruparib in Combination With Physician's Choice of ARPI in Patients With mHSPC Previously Treated With Docetaxel or 177Lu-PSMA Therapy Without Disease Progression and PSA ≥ 0.2 ng/mL (EvoPAR-PR05)Oct 15, 2026NCT07711002
A Study to Learn About the Study Medicine Called Tilrekimig in People With Moderate-to-Severe EczemaOct 15, 2026NCT07765888
Dose-finding Study of YMI024 to Assess Efficacy, Safety, and Tolerability in Adults With Stable Coronary Artery Disease and Elevated hsCRPOct 15, 2026NCT07830719
Study of Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice in Patients With Triple Negative Breast Cancer Who Have Residual Invasive Disease After Surgery and Neoadjuvant Therapy (ASCENT-05/AFT-65 OptimICE-RD/GBG 119/NSABP B-63)Oct 13, 2026NCT05633654
A Study to Evaluate the Efficacy and Safety of Divarasib Compared With Investigator's Choice of Immunotherapy or Observation in Participants With Resected Stage II-III KRAS G12C-Positive Non-Small Cell Lung Cancer (NSCLC)Oct 13, 2026NCT07541170
Investigation of a Remibrutinib- and Omalizumab-based Treatment Algorithm in Adult Patients With Chronic Spontaneous Urticaria Inadequately Controlled by H1-antihistamines Within 24 WeeksOct 13, 2026NCT07816328

Results posted33

Show 28 more

A Study of Nipocalimab in Adults With Primary Sjogren's Syndrome (pSS)Nov 5, 2026NCT04968912
Study to Compare Bictegravir/Lenacapavir Versus Current Therapy in People With HIV-1 Who Are Successfully Treated With BiktarvyNov 5, 2026NCT06333808
Ravulizumab in Thrombotic Microangiopathy After Hematopoietic Stem Cell TransplantNov 4, 2026NCT04543591
Study of Efficacy and Safety of LNP023 in Primary IgA Nephropathy PatientsNov 4, 2026NCT04578834
An International Prospective Open-label, Randomized, Phase III Study Comparing 177Lu-PSMA-617 in Combination With Standard of Care (SoC), Versus SoC Alone, in Adult Male Patients With Metastatic Hormone Sensitive Prostate Cancer (mHSPC)Nov 4, 2026NCT04720157
Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)Nov 4, 2026NCT04863664
A Study of TAK-279 in Adult Participants With Generalized Pustular Psoriasis or Erythrodermic PsoriasisNov 4, 2026NCT06323356
A Phase 3 Trial of Epcoritamab vs Investigator's Choice Chemotherapy in Relapsed/Refractory (R/R) Diffuse Large B-cell Lymphoma (DLBCL)Nov 3, 2026NCT04628494
Research Study to Look at How Well Semaglutide Works in People Living With Heart Failure, Obesity and Type 2 DiabetesNov 2, 2026NCT04916470
A Study Evaluating the Efficacy, Safety, Pharmacokinetics and Pharmacodynamics of Crovalimab in Adult and Adolescent Participants With Atypical Hemolytic Uremic Syndrome (aHUS)Oct 30, 2026NCT04861259
ARTEMIS: Ravulizumab to Protect Patients With CKD From CSA-AKI and MAKEOct 29, 2026NCT05746559
Efficacy and Safety of Erenumab in Pediatric Subjects With Chronic MigraineOct 28, 2026NCT03832998
A Study to Evaluate Astegolimab in Participants With Chronic Obstructive Pulmonary DiseaseOct 28, 2026NCT05595642
A Study to Evaluate AZD2693 in Participants Who Are Carriers of the PNPLA3 148M Risk Allele With Non-cirrhotic Non-alcoholic Steatohepatitis With FibrosisOct 28, 2026NCT05809934
A Study of AZD3427 in Participants With Heart Failure and Pulmonary Hypertension Group 2Oct 27, 2026NCT05737940
TRISCEND JAPAN StudyOct 27, 2026NCT05760989
A Study of E7130 in Participants With Solid TumorsOct 23, 2026NCT03444701
Study of Pembrolizumab (MK-3475) Plus Chemotherapy vs Placebo Plus Chemotherapy as Neoadjuvant Therapy and Pembrolizumab vs Placebo as Adjuvant Therapy in Participants With Triple Negative Breast Cancer (TNBC) (MK-3475-522/KEYNOTE-522)Oct 22, 2026NCT03036488
A Study of Dazostinag as Single Agent and Dazostinag in Combination With Pembrolizumab in Adults With Advanced or Metastatic Solid TumorsOct 22, 2026NCT04420884
To Assess the Safety and Tolerability of Tafasitamab Alone or in Combination With Other Drugs in Japanese Participants With Non-Hodgkins Lymphoma (NHL)Oct 21, 2026NCT04661007
Study to Assess Change in Disease Activity and Adverse Events of Oral Venetoclax in Combination With Intravenous (IV) Obinutuzumab or Oral Ibrutinib in Adult Participants With Untreated Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)Oct 21, 2026NCT05105841
Study to Compare Bictegravir/Lenacapavir Versus Current Therapy in People With HIV-1 Who Are Successfully Treated With a Complicated Regimen (ARTISTRY-1)Oct 21, 2026NCT05502341
A Study of Ustekinumab in Pediatric Participants With Moderately to Severely Active Ulcerative Colitis (UC)Oct 20, 2026NCT04630028
A Study of Adeno-Associated Virus Serotype 8-Mediated Gene Transfer of Glucose-6-Phosphatase in Patients With Glycogen Storage Disease Type Ia (GSDIa)Oct 14, 2026NCT05139316
A Study of Nivolumab and Relatlimab in Combination With Bevacizumab in Advanced Liver CancerOct 14, 2026NCT05337137
Brightline-2: A Study to Test Whether Brigimadlin (BI 907828) Helps People With Cancer in the Biliary Tract, Pancreas, Lung or BladderOct 14, 2026NCT05512377
A Study to Evaluate the Efficacy and Safety of Obinutuzumab Versus MMF in Participants With Childhood Onset Idiopathic Nephrotic SyndromeOct 14, 2026NCT05627557
A Study of LY3844583 in Healthy Participants and Participants With Atopic DermatitisOct 13, 2026NCT05486208

Stopped7

Phase 3 Efficacy and Safety Study of GTX-102 in Pediatric Subjects With Angelman Syndrome (AS)TerminatedNov 3, 2026NCT06617429
A Study to Learn About the Study Medicine (Called PF-07868489) in People With Pulmonary Arterial Hypertension Who Have Previously Participated in a Clinical Study With PF-07868489TerminatedNov 2, 2026NCT07073820
A Study of MORAb-202 Versus Investigator's Choice Chemotherapy in Female Participants With Platinum-resistant High-grade Serous (HGS) Ovarian, Primary Peritoneal, or Fallopian Tube CancerTerminatedOct 28, 2026NCT05613088
A Study of E7130 in Participants With Solid TumorsTerminatedOct 23, 2026NCT03444701
A Study to Investigate Efficacy and Safety of SAR441566 in Patients With Ulcerative ColitisTerminatedOct 21, 2026NCT06867094

Show 2 more

Study to Explore the Safety, Tolerability, and Pharmacokinetics of AMG 305 in Subjects With Advanced Solid TumorsTerminatedOct 19, 2026NCT05800964
A Study to Investigate Efficacy and Safety of SAR441566 in Patients With Crohn's Disease.TerminatedOct 13, 2026NCT06637631

Newly registered19

A Study of LY4336619 in Adult Participants With Advanced Solid TumorsNov 10, 2026NCT07928258
A Study to Test Obrixtamig Treatment in People With Different Types of Advanced Cancer Who Took Part in a Previous Study With ObrixtamigNov 10, 2026NCT07929051
Real-world Outcome of Zongertinib in Japan (J-HERZ)Nov 9, 2026NCT07926308
A Study to Test Whether BI 3810477 Helps People With Idiopathic Pulmonary Fibrosis When Taken With or Without Standard TreatmentNov 9, 2026NCT07926321
A Study of BI 4015092, Alone or in Combination With Other Cancer Treatment, in Patients With Advanced Cancer That Has a KRAS G12D MutationNov 9, 2026NCT07926334

Show 14 more

A Research Study to Investigate How Well the Medicine CagriSema Lowers High Blood Pressure in People Living With High Blood Pressure and ObesityNov 5, 2026NCT07919405
A Study to Learn How Well People With Bronchiectasis Tolerate Continued Treatment With Verducatib After Earlier Studies (AIRTIVITY®-ON)Nov 4, 2026NCT07915219
Smartphone Enabled Detection of Cognitive Motor Dissociation in the ICUNov 4, 2026NCT07917728
Safety, Dosage, and Microbiome Engraftment Study of MGT-006 for Ulcerative Colitis (ROOT Study)Nov 3, 2026NCT07913347
A Phase II Investigator-initiated Trial of Sacituzumab Tirumotecan Plus Pembrolizumab in Patients With Recurrent ovarIan Clear Cell Carcinoma Previously Treated With Platinum-based Chemotherapy（NCCH2407/MK014）Nov 3, 2026NCT07913568
A Proof-Of-Concept (POC) Study of SFG-02 Transdermal Formulation in Participants With Underactive Bladder (UAB)Oct 30, 2026NCT07906106
A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, Type 2 Diabetes, and Increased Cardiovascular RiskOct 28, 2026NCT07900633
Long-term Safety Study Following to JRM-001 Treatment in Pediatric Patients With Congenital Heart DiseaseOct 20, 2026NCT07884318
A Study of EloraTZP in Adult Participants With Obesity Without Type 2 DiabetesOct 19, 2026NCT07881432
A Study of EloraTZP in Adult Participants With Obesity or Overweight and Type 2 DiabetesOct 19, 2026NCT07881458
Zolbetuximab, Durvalumab, and FLOT Combination Neoadjuvant Chemotherapy for CLDN18.2-Positive Gastric Cancer or Gastroesophageal Junction AdenocarcinomaOct 14, 2026NCT07872722
Head-to-Head (H2H) Comparison of Ambulatory Cardiac ECG Monitors in JapanOct 13, 2026NCT07870837
A Study to Assess The Safety and Tolerability of Pumitamig-Based Therapy Administered Before Surgery in Participants With Early-Stage Non-Small Cell Lung Cancer (ROSETTA Lung-220)Oct 13, 2026NCT07871214
Risankizumab for Refractory Perianal Fistulizing Crohn's DiseaseOct 13, 2026NCT07872449

Studies

Recruiting first, then most recently updated. Showing 50 of 9,427 — search for more.