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Trackers› Clinical trials› Seoul
Clinical trial register · South Korea

Clinical Trials in Seoul, 2026

Every study on the ClinicalTrials.gov registry that lists a site in South Korea and is open, about to open, active-but-closed, or enrolling by invitation. Filter it, cite it, and take it away as a file.

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Source: ClinicalTrials.gov, U.S. National Library of Medicine. Complete coverage — all 3365 matching records held by the registry are in this view. Synced 11 Oct 2026, 03:17 UTC
3365
Studies in scope
all four open statuses
1831
Recruiting now
open to new participants
500
Lead sponsors
across recruiting studies
Top sites
Seoul 183 Seongnam-si 20 Daegu 12 Busan 8 Seongnam 7
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca195 Seoul National University Hospital183 Yonsei University143 Samsung Medical Center142 Merck Sharp & Dohme LLC111 Clear sponsor filter
Site location
Seoul183 Seongnam-si20 Daegu12 Busan8 Seongnam7
All 29 locations
Target enrolment
to

Trials with a site in Seoul

183 of 3365 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in South Korea
Start
Recruiting
EOI Block in Otoplasty With Rib Cartilage Graft
NCT07262944Postoperative Pain, Acute
Seoul National University Hospital
Not applicable
60
Seoul
2026-12-01
Not yet open
Remimazolam Concentration and Sedation Depth During Lower Extremity Surgery Under Spinal Anesthesia
NCT07863063Sedation During Lower Extremity Surgery Under Spinal Anesthesia
DrugRemimazolam
Seoul National University Hospital
Phase 4
60
Seoul
2026-10-30
Not yet open
Effects of Remimazolam on Postoperative Cognitive Dysfunction and Neuroinflammatory Biomarkers in Patients Undergoing Aortic Arch Surgery
NCT07816068Aortic Aneurysm of the Proximal Arch, Aortic Aneurysms Arch, Aortic Arch Disease, Postoperative Delirium (POD)
DrugsRemimazolam Besylate·Propofol
Seoul National University Hospital
Phase 4
80
Seoul
2026-10-01
Not yet open
Effect of Remimazolam Versus Propofol Total Intravenous Anesthesia on Intraoperative Hemodynamic Stability in Patients Undergoing Thoracic or Abdominal Endovascular Aortic Repair
NCT07806006Aortic Aneurysm, Thoracoabdominal, Aortic Aneurysm, Abdominal, Intraoperative Hypotension, Hemodynamic Instability During Anesthesia
DrugsRemimazolam Besylate·Propofol
Seoul National University Hospital
Phase 4
44
Seoul
2026-09-15
Recruiting
CD19 CAR-T Therapy for Refractory Childhood-Onset Systemic Lupus Erythematosus
NCT07855302Childhood-Onset Systemic Lupus Erythematosus, Refractory SLE, CD19 CAR-T Cell Therapy
Seoul National University Hospital
Phase 1
8
Seoul
2026-09-14
Not yet open
Remote Exercise Program for Pediatric ICU Survivors
NCT07741942Pediatric Post-Intensive Care Syndrome, Critical Illness
Seoul National University Hospital
Not applicable
10
Seoul
2026-09
Recruiting
Intravenous Dexamethasone With Single-Shot Versus Continuous Brachial Plexus Block for Rebound Pain After Shoulder Surgery
NCT07699744Pain, Postoperative, Rebound Pain, Shoulder Injuries, Rotator Cuff Injuries
DrugDexamethasone
Seoul National University Hospital
Phase 4
92
Seoul
2026-08-25
Not yet open
Seoul National University Hospital
Not applicable
3,000
Seongnam-si, Uijeongbu-si, Daegu, Seoul
2026-08-24
Not yet open
Angiotensin Receptor Blocker After TAVR in Severe Aortic Stenosis With Left Ventricular Hypertrophy (ARBITAR)
NCT07735130Transcatheter Aortic Valve Replacement (TAVR), Left Ventricular Hypertrophy, Severe Aortic Stenosis
Seoul National University Hospital
Phase 4
632
Seoul
2026-08-15
Recruiting
Seoul National University Hospital
Observational
50
Seoul
2026-08-11
Recruiting
Seoul National University Hospital
Not applicable
30
Seoul
2026-07-15
Recruiting
Efficacy and Safety of Eleveld PK/PD Model-based Dosing During General Anesthesia
NCT07675850Remimazolam, Pharmacokinetics and Pharmacodynamics
Seoul National University Hospital
Phase 4
68
Seoul
2026-07-05
Recruiting
Seoul National University Hospital
Phase 4
1,292
Daejeon, Seoul
2026-06-22
Active, closed
Seoul National University Hospital
Observational
160
Seoul
2026-06-17
Recruiting
Agentic AI Personalized Dietary Management Study
NCT07638241Dietary Behavior; Metabolic Health; Obesity; Lifestyle Modification; Metabolic Syndrome Risk
Seoul National University Hospital
Not applicable
200
Seoul
2026-06-11
Not yet open
Seoul National University Hospital
Phase 2
150
Seoul
2026-06-01
Not yet open
Seoul National University Hospital
Not applicable
292
Seoul
2026-06-01
Not yet open
Seoul National University Hospital
Not applicable
140
Seoul
2026-06-01
Not yet open
Nemtabrutinib, Bortezomib, and Rituximab for WM
NCT07464210Waldenstrom Macroglobulinemia
Seoul National University Hospital
Phase 2
19
Seoul
2026-06-01
Not yet open
Naltrexone for Nonsuicidal Self-Injury
NCT07641283Nonsuicidal Self-Injury, Self-Injurious Behavior
DrugNaltrexone
Seoul National University Hospital
Not applicable
150
Uijeongbu-si, Seoul
2026-06
Recruiting
Seoul National University Hospital
Observational
100
Seoul
2026-05-27
Recruiting
Transition of Care in Pediatric Rare Endocrine Disorders
NCT07786142Endocrine Disorder, Rare Disorders
Seoul National University Hospital
Not applicable
150
Daegu, Daejeon, Gwangju, Hwasun, Incheon, Jeonju, Seongnam, Seoul
2026-05-20
Recruiting
Seoul National University Hospital
Not applicable
45
Seoul
2026-05-01
Recruiting
Scout Dose of Resin Microspheres
NCT07476651Radioembolization, Hepatocellular Carcinoma (HCC), Intrahepatic Cholangiocarcinoma (ICC), Liver Metastasis
Seoul National University Hospital
Not applicable
30
Seoul
2026-04-13
Not yet open
Samsung S-Viscosity vs Canon Dispersion Slope in Steatotic Liver Disease (SAVID-SLD)
NCT07530419Metabolic Dysfunction-Associated Steatotic Liver Disease, Fatty Liver, Liver Fibrosis
Seoul National University Hospital
Observational
95
Seoul
2026-04-10
Recruiting
Seoul National University Hospital
Observational
150
Seoul
2026-04-01
Recruiting
Seoul National University Hospital
Not applicable
96
Seoul
2026-04-01
Active, closed
Seoul National University Hospital
Not applicable
124
Seoul
2026-02-20
Not yet open
Risk Prediction Model for Older Adults Undergoing Noncardiac Surgery
NCT07409467Major Noncardiac Surgery, Geriatric Anesthesia, Postoperative Complications
Seoul National University Hospital
Observational
520
Seoul
2026-02-19
Recruiting
Evaluation of Mixed Reality Cardiopulmonary Resuscitation Training
NCT07363772Cardiopulmonary Resuscitation (CPR), Basic Life Support Training Course, Cardiac Arrest (CA)
Seoul National University Hospital
Not applicable
120
Seoul
2026-02-01
Recruiting
Seoul National University Hospital
Observational
21
Seoul
2026-01-27
Not yet open
Seoul National University Hospital
Phase 1/2
20
Seoul
2026-01-01
Not yet open
Seoul National University Hospital
Not applicable
494
Seoul
2026-01-01
Not yet open
Association of Nutrition and T Cell Immune Activity With Disease Progression in Nontuberculous Mycobacterial Pulmonary Disease
NCT07363798Nontuberculous Mycobacterial Pulmonary Disease, Nontuberculous Mycobacterial Lung Disease
Seoul National University Hospital
Observational
50
Seoul
2026-01
Not yet open
Seoul National University Hospital
Observational
60
Seoul
2026-01
Recruiting
Seoul National University Hospital
Observational
40
Seoul
2025-12-26
Not yet open
CRESCENDO: ChildREn's muSiC ENhancement in Cochlear Implant Users
NCT07297524Cochlear Implant, Hearing Loss
Seoul National University Hospital
Not applicable
25
Seoul
2025-12-22
Recruiting
Seoul National University Hospital
Not applicable
94
Seoul
2025-12-02
Recruiting
Seoul National University Hospital
Phase 2
20
Seoul
2025-11-03
By invitation
Watch and Wait or Worry and Wait in Indolent Lymphoma
NCT07173790Chronic Lymphocytic Leukemia (CLL) / Small Lymphocytic Lymphoma (SLL), Marginal Zone Lymphoma(MZL), Follicular Lymphoma, Grade 1, Follicular Lymphoma, Grade 2
Seoul National University Hospital
Observational
250
Seoul
2025-10-01
Recruiting
Seoul National University Hospital
Phase 2
40
Seoul
2025-09-11
Recruiting
Seoul National University Hospital
Not applicable
160
Seoul
2025-09-03
Recruiting
Seoul National University Hospital
Not applicable
60
Seoul
2025-08-07
Recruiting
Seoul National University Hospital
Not applicable
158
Seoul
2025-08-03
Recruiting
Prospective CT Assessment After DCB
NCT07373145Coronary Artery Disease
Seoul National University Hospital
Observational
165
Seoul
2025-08-01
Recruiting
Seoul National University Hospital
Not applicable
40
Seoul
2025-08
Not yet open
Prospective Validation of DL Model for Postoperative MACCE Prediction
NCT07054502Major Adverse Cardiovascular and Cerebrovascular Events (MACCE)
Seoul National University Hospital
Observational
7,000
Seoul
2025-07-10
Not yet open
Seoul National University Hospital
Not applicable
30
Seoul
2025-07-01
Not yet open
Seoul National University Hospital
Not applicable
323
Seoul
2025-07-01
Recruiting
PETAL Trial: Impact of Gallium-68 Pentixafor PET-CT on Surgical Outcomes in Primary Aldosteronism
NCT07027254Primary Aldosteronism, Secondary Hypertension, Aldosterone-Producing Adenoma, Idiopathic Hyperaldosteronism
Seoul National University Hospital
Not applicable
90
Seoul
2025-06-25
Recruiting
Quantitative Ultrasound(DeepUSFF) vs MRI-PDFF for Liver Fat Assessment in MASLD
NCT07192159Metabolic Dysfunction-Associated Steatotic Liver Disease, Hepatic Steatosis, Liver Disease Parenchymal
Seoul National University Hospital
Not applicable
62
Seoul
2025-06-24
By invitation
The Video System to Provide a Developmental Training Guide for Preterm Infants
NCT06965842Premature Infants, Very Low Birth Weight Infants
Seoul National University Hospital
Not applicable
12
Seoul
2025-06-24
Recruiting
Streamlining Radioembolization for CCC and Metastatic Liver Cancer
NCT07043387Metastatic Colorectal Carcinoma (mCRC), Metastatic Liver Cancer, Cholangiocarcinoma
Seoul National University Hospital
Observational
60
Goyang-si, Seoul
2025-06-22
Recruiting
Effectiveness of ERAS on Postoperative Recovery After Minimally Invasive Gastrectomy
NCT06984952Enhanced Recovery After Surgery, Gastrectomy for Gastric Cancer
Seoul National University Hospital
Not applicable
308
Busan, Daegu, Daejeon, Goyang, Seongnam, Seoul, Suwon
2025-06-13
Recruiting
Streamlining Radioembolization for Small HCC
NCT06979219Hepatocellular Carcinoma (HCC)
Seoul National University Hospital
Observational
146
Goyang, Seongnam-si, Seoul
2025-06-10
Recruiting
Seoul National University Hospital
Phase 3
464
Seoul
2025-06-04
Not yet open
Community-Based Remote Cardiac Rehabilitation Program for Pediatric Patients With Complex Congenital Heart Disease
NCT06912412Congenital Heart Disease (CHD), Complex Congenital Heart Disease, Congenital Heart Disease in Children
Seoul National University Hospital
Not applicable
10
Seoul
2025-05-31
Recruiting
Proactive Immune Tolerance Induction in Chemotherapy for Gynecologic Cancer
NCT06977594Ovarian Cancer, Endometrial Cancer, Cervical Cancer
DrugPaclitaxel and Carboplatin
Seoul National University Hospital
Not applicable
1,000
Seoul
2025-05-21
By invitation
Seoul National University Hospital
Not applicable
74
Seoul
2025-05-09
Not yet open
Clinical Trial for the Validation of AR Based Neuronavigation System
NCT05776706Brain Neoplasms, Cerebral Aneurysm, Cerebral Arteriovenous Malformation, Navigation, Spatial
Seoul National University Hospital
Not applicable
80
Seoul
2025-05-01
Recruiting
Seoul National University Hospital
Observational
80
Seoul
2025-04-25
Recruiting
Same-day Radioembolization for Large HCC
NCT06944483Hepatocellular Carcinoma (HCC)
Seoul National University Hospital
Observational
138
Goyang, Seoul
2025-04-25
Recruiting
Seoul National University Hospital
Phase 2
100
Gangneung, Anyang-si, Ilsan, Seongnam-si, Seoul
2025-03-11
Not yet open
Seoul National University Hospital
Not applicable
60
Seoul
2025-03-01
Recruiting
Trastuzumab Emtansine(T-DM1) After Trastuzumab Deruxtecan(T-DXd) in HER2-Positive Breast Cancer in Korea
NCT06928818Cancer of Breast, Trastuzumab Emtansine, Trastuzumab Deruxtecan
Seoul National University Hospital
Observational
100
Seoul
2025-02-26
Recruiting
Seoul National University Hospital
Phase 4
140
Seongnam-si, Seoul
2025-02-06
Recruiting
Smartwatch-Based AI Model for OSA Prediction (SWOSA)
NCT06792188Obstructive Sleep Apnea of Adult, Screening, Smart Watch
Seoul National University Hospital
Observational
147
Seoul
2025-02-03
Not yet open
Transanal Irrigation for Low Anterior Resection Syndrome
NCT06796296Low Anterior Resection Syndrome, Rectal Cancer Surgery, Insomnia
Seoul National University Hospital
Not applicable
94
Seoul
2025-02-01
Recruiting
Venetoclax and Decitabine in R/R T-ALL
NCT06712121T Lymphoblastic Leukemia/Lymphoma
DrugsDecitabine·Venetoclax
Seoul National University Hospital
Phase 2
28
Seongnam-si, Seoul
2025-01-30
Recruiting
Seoul National University Hospital
Not applicable
50
Seoul
2025-01-27
Recruiting
Seoul National University Hospital
Phase 1/2
21
Seoul
2025-01-17
Recruiting
Seoul National University Hospital
Not applicable
104
Seoul
2025-01-15
Recruiting
Seoul National University Hospital
Not applicable
190
Seoul
2025-01-09
Recruiting
Seoul National University Hospital
Observational
30
Seoul
2024-12-24
Recruiting
Seoul National University Hospital
Phase 4
80
Seoul
2024-12-09
By invitation
Seoul National University Hospital
Not applicable
500
Seoul
2024-12-01
Active, closed
Head Position Monitoring After Pars Planar Vitrectomy
NCT06985030Retinal Detachment, Macular Hole
Seoul National University Hospital
Observational
100
Seoul
2024-11-28
Recruiting
Deep Neuromuscular Blockade on Postoperative Pain
NCT06679569Neuromuscular Blockade
Seoul National University Hospital
Not applicable
106
Seoul
2024-11-06
Not yet open
Seoul National University Hospital
Phase 4
160
Seoul
2024-11-01
Recruiting
Shared Decision Making for Choosing Autosomal DOminant Polycystic Kidney Disease Treatment
NCT06618638ADPKD (autosomal Dominant Polycystic Kidney Disease)
Seoul National University Hospital
Not applicable
340
Anyang-si, Seoul, Busan, Daegu, Gwangju
2024-10-21
Recruiting
Seoul National University Hospital
Phase 4
84
Seoul
2024-10-09
Recruiting
Reduced Vaccine Response to HZ/su in SLE
NCT07636044Vaccine Reaction, Zoster, Systemic Lupus Erythematosus
Seoul National University Hospital
Observational
80
Seoul
2024-10-01
Recruiting
Nostril Side on Epistaxis
NCT06605989Nasotracheal Intubation
Seoul National University Hospital
Not applicable
208
Seoul
2024-09-26
Recruiting
Seoul National University Hospital
Not applicable
200
Seoul
2024-08-27
Active, closed
TME Alteration in HER2 Positive Breast Cancer
NCT06533670Breast Cancer, HER2-positive Breast Cancer, Chemotherapy Effect
Seoul National University Hospital
Observational
30
Seoul
2024-07-19
Recruiting
Seoul National University Hospital
Observational
30
Seoul
2024-07-18
Recruiting
Prevention of Acute Cholecystitis With ETGBD
NCT06287112Biliary Obstruction, Acute Cholecystitis
Seoul National University Hospital
Not applicable
35
Seoul
2024-06-20
Recruiting
Cohort Study for Gastric MALT Lymphoma
NCT06454149Gastric MALT Lymphoma
Seoul National University Hospital
Observational
300
Ansan-si, Seongnam-si, Seoul
2024-06-06
Recruiting
Seoul National University Hospital
Observational
90
Seoul
2024-05-20
Recruiting
Seoul National University Hospital
Not applicable
128
Seoul
2024-04-30
Recruiting
Seoul National University Hospital
Observational
260
Seoul
2024-03-01
Recruiting
Seoul National University Hospital
Not applicable
400
Seoul
2024-02-01
Active, closed
Seoul National University Hospital
Not applicable
1,896
Seongnam, Seoul, Suwon
2024-01-29
Recruiting
Seoul National University Hospital
Not applicable
86
Seoul
2024-01-25
Recruiting
Seoul National University Hospital
Phase 2
50
Seoul
2024-01-19
Recruiting
Pharmacological Reversal of Neuromuscular Blockade in Critically Ill Patients
NCT05993390Neuromuscular Blockade, Critical Illness, Neurologic Findings
DrugsNeostigmine·Sugammadex
Seoul National University Hospital
Not applicable
30
Seoul
2024-01-11
Recruiting
Seoul National University Hospital
Observational
98
Seoul
2024-01-01
Recruiting
Double Unit Cord Blood Transplant in Hematologic Malignancies.
NCT06712108Adult Double Unit Cord Blood Transplant
Seoul National University Hospital
Observational
40
Jeonju, Daegu, Pusan, Seongnam, Seoul
2023-12-21
Recruiting
Seoul National University Hospital
Not applicable
52
Seoul
2023-12-06
Recruiting
Seoul National University Hospital
Not applicable
94
Seoul
2023-11-24
Recruiting
Seoul National University Hospital
Phase 2
30
Ilsan, Seongnam-si, Seoul
2023-11-20
Recruiting
Seoul National University Hospital
Phase 2
30
Seoul
2023-11-08
Recruiting
Seoul National University Hospital
Not applicable
150
Seoul
2023-11-07
Recruiting
Seoul National University Hospital
Not applicable
24
Seoul
2023-10-25
Recruiting
Intestinal Metaplasia Cohort for Gastric Cancer Prediction
NCT06075199Intestinal Metaplasia of Gastric Mucosa
Seoul National University Hospital
Observational
1,000
Seoul
2023-09-13
Recruiting
Seoul National University Hospital
Observational
1,000
Seoul
2023-08-17
By invitation
Seoul National University Hospital
Phase 2/3
30
Seoul
2023-07-19
Recruiting
Seoul National University Hospital
Phase 2
29
Guri-si, Seoul
2023-07-07
Recruiting
Seoul National University Hospital
Not applicable
84
Seoul
2023-06-13
Recruiting
High Dimensional Analysis of Immune Cells in Pediatric Patients
NCT05820802Drug Allergy, Neuromuscular Blockade
Seoul National University Hospital
Observational
294
Seoul
2023-04-27
Active, closed
Seoul National University Hospital
Observational
200
Seoul
2023-04-10
Recruiting
NeoFOL-R Trial (Perioperative Versus Adjuvnat FOLFIRINOX in Resectable Pancreatic Cancer)
NCT05529940Resectable Pancreatic Cancer, Neoadjuvant Chemotherapy, Effects of Chemotherapy
DrugFolfirinox
Seoul National University Hospital
Phase 3
609
Seoul
2023-04-01
Recruiting
Seoul National University Hospital
Not applicable
212
Seoul
2023-03-27
Recruiting
Seoul National University Hospital
Phase 4
11,086
Seoul, Andong, Busan, Changwon, Cheonan, Cheongju-si, Chuncheon, Daegu
2023-03-22
Recruiting
Seoul National University Hospital
Not applicable
204
Seoul
2023-02-01
Recruiting
The Effect and Safety of Omitting Preoperative Alpha-adrenergic Blockade for Normotensive Pheochromocytoma
NCT05702944Pheochromocytoma, Paraganglioma, Adrenalectomy; Status, Adrenergics Causing Adverse Effects in Therapeutic Use
Seoul National University Hospital
Phase 4
24
Seoul
2023-01-18
Active, closed
Seoul National University Hospital
Not applicable
199
Seoul
2023-01-06
Recruiting
Seoul National University Hospital
Phase 2
64
Seoul
2022-12-31
Recruiting
Seoul National University Hospital
Phase 3
236
Busan, Daegu, Goyang, Hwasun, Seongnam, Seoul, Suwon
2022-12-15
Recruiting
Seoul National University Hospital
Not applicable
172
Seoul
2022-11-27
Recruiting
Seoul National University Hospital
Observational
16,164
Seoul
2022-11-01
Recruiting
Seoul National University Hospital
Not applicable
533
Seoul
2022-09-22
Active, closed
Seoul National University Hospital
Observational
76
Seoul
2022-08-29
Recruiting
Seoul National University Hospital
Observational
320,000
Seoul
2022-08-22
Active, closed
Seoul National University Hospital
Phase 2
28
Seoul
2022-08-18
Recruiting
Prevention of Delirium in ICU Using Multimodal Interventions
NCT05950958Intensive Care Unit Delirium
Seoul National University Hospital
Not applicable
196
Seoul
2022-08-01
Recruiting
The Postoperative Radiotherapy in N1 Breast Cancer Patients
NCT05440149Radiotherapy, Breast Cancer
Seoul National University Hospital
Phase 3
1,106
Seoul
2022-08-01
Recruiting
SupporTive Care At Home Research for Patients With Advanced Cancer (STAHR-cancer)
NCT05636384Malignant Neoplasm, Home Care Services, Quality of LIfe, Unplanned Hospitalization
Seoul National University Hospital
Not applicable
396
Goyang-si, Seongnam-si, Seoul
2022-07-25
Recruiting
Ate-Bev Early Response Prediction Model in Advanced HCC
NCT05763277Hepatocellular Carcinoma, Atezolizumab-bevacizumab, Response Evaluation
Seoul National University Hospital
Observational
170
Seoul
2022-07-22
Recruiting
Assessment of Quality of Life After Low Anterior Resection During Cytoreductive Surgery for Advanced Ovarian Cancer
NCT05431530Ovarian Cancer, Low Anterior Resection Syndrome, Quality of Life
Seoul National University Hospital
Observational
108
Seoul
2022-06-22
Recruiting
Extremely Preterm Respiratory Outcome Cohort
NCT06726226Infant, Premature, Respiratory Disease
Seoul National University Hospital
Observational
600
Seoul
2022-06-01
Active, closed
GPL in Patients with Relapsed/refractory Diffuse Large B Cell Lymphoma
NCT05335018Relapsed/refractory Diffuse Large B Cell Lymphoma
Seoul National University Hospital
Phase 2
76
Seoul
2022-05-30
Active, closed
Renal Function Prediction in Living Donor Transplant Using Baseline Data
NCT06728995Renal Transplanted Recipients, Kidney Function
Seoul National University Hospital
Observational
3,500
Seoul
2022-05-17
Active, closed
A Prospective Observational Study on Efficacy of TARE for Early Stage HCC
NCT07278102Radioembolization, Hepatocellular Carcinoma (HCC), Early Stage
Seoul National University Hospital
Observational
200
Seoul
2022-03-28
Recruiting
Thrombus Analysis of Ischemic Stroke
NCT07043413Cerebral Infarction
Seoul National University Hospital
Observational
500
Seoul
2022-01-25
Recruiting
Seoul National University Hospital
Observational
500
Seoul
2022-01-07
Active, closed
Seoul National University Hospital
Observational
640
Seoul
2022-01-01
Active, closed
Impact of the Korea Early Childhood Home-visiting Intervention
NCT04749888Child Development, Parenting, Infant Development, Pregnancy Related
Seoul National University Hospital
Not applicable
800
Seoul
2021-10-27
Active, closed
Higher Dose Preoperative taMOxifen in Premenopausal bREast Cancer Patients
NCT04997941Premenopausal Breast Cancer, Hormone Receptor-positive Breast Cancer
Seoul National University Hospital
Phase 2
238
Seoul
2021-10-21
Active, closed
Seoul National University Hospital
Not applicable
45
Seoul
2021-08-24
Recruiting
Seoul National University Hospital
Observational
2,429
Seoul
2021-08-01
By invitation
Seoul National University Hospital
Observational
310
Seoul
2021-06-22
Recruiting
Seoul National University Hospital
Phase 2
70
Seoul
2021-05-25
Recruiting
Seoul National University Hospital
Not applicable
24
Seoul
2021-05-17
Active, closed
Lung Cancer Surgery in Sarcopenia Patients With Old Age
NCT05346185Sarcopenia, Lung Cancer
Seoul National University Hospital
Observational
400
Seoul
2021-04-13
Active, closed
Seoul National University Hospital
Not applicable
159
Seoul
2021-04-05
Recruiting
Patient-Driven Lifestyle Modification Using FreeStyle Libre in Type 2 Diabetes Patients
NCT04932928Diabetes Mellitus, Type 2, Lifestyle Risk Reduction
Seoul National University Hospital
Not applicable
126
Seoul
2021-03-23
Recruiting
Registry for Degenerative Spinal Disease (RDSD)
NCT05332249Degeneration Spine, Surgery
Seoul National University Hospital
Observational
5,000
Seoul
2021-03-08
Recruiting
Seoul National University Hospital
Not applicable
90
Goyang-si, Seoul
2021-02-25
By invitation
Research for the Precision Medicine in the Treatment of Inflammatory Bowel Disease
NCT07166588Crohn Disease (CD), Ulcerative Colitis (UC), IBD (Inflammatory Bowel Disease)
Seoul National University Hospital
Observational
2,000
Seoul
2021-01-20
Recruiting
Seoul National University Hospital
Observational
200
Seoul
2021-01-03
Recruiting
EBD RCT Trial in Living Donor Liver Transplantation
NCT04622540Liver Transplantation, Liver Transplant; Complications, Bile Stricture, Bile Leakage From Biliary Anastomosis
Seoul National University Hospital
Not applicable
124
Seoul
2020-12-09
Active, closed
Seoul National University Hospital
Not applicable
130
Seoul
2020-11-27
Active, closed
Seoul National University Hospital
Not applicable
146
Seoul
2020-11-13
Active, closed
Seoul National University Hospital
Not applicable
200
Seoul
2020-10-28
Active, closed
Seoul National University Hospital
Not applicable
1,734
Seoul
2020-09-15
Not yet open
Seoul National University Hospital
Phase 3
926
Seoul
2020-09
Active, closed
HOST - DAPT Duration According the Bleeding Risk
NCT05631769Coronary Artery Disease, Acute Myocardial Infarction, Stable Angina
Seoul National University Hospital
Phase 4
4,900
Seoul
2020-07-24
Recruiting
Safety of Minimally Invasive Surgery Using Endoscopic Stapler in Early Stage Cervical Cancer Patients (SOLUTION)
NCT04370496Cervical Cancer, Cervical Cancer Stage IB1, Minimally Invasive Surgery
Seoul National University Hospital
Not applicable
124
Seoul, Suwon
2020-07-02
Active, closed
Seoul National University Hospital
Not applicable
400
Seoul
2020-06-17
Recruiting
Seoul National University Hospital
Phase 2
180
Seoul
2020-02-18
Active, closed
Anesthesia and Cancer Study: Colon Cancer
NCT04259398Cancer of Colon, Anesthesia
DrugsSevoflurane·Propofol
Seoul National University Hospital
Not applicable
797
Seoul
2020-02-18
Recruiting
Seoul National University Hospital
Observational
1,000
Seoul
2019-11-11
Active, closed
Seoul National University Hospital
Phase 2
122
Seoul
2019-11-08
By invitation
Seoul National University Hospital
Not applicable
200
Seoul
2019-09-23
Active, closed
Whole Genomic Landscape of Advanced EGFR-mutant NSCLC
NCT03969823Locally Advanced or Metastatic NSCLC
DrugsTagrisso·Osimertinib
Seoul National University Hospital
Not applicable
148
Seongnam, Seoul
2019-05-23
Recruiting
KNOW-CKD Cohort, Phase II Study
NCT03929900Chronic Kidney Diseases
Seoul National University Hospital
Observational
1,500
Seoul
2019-05-15
Recruiting
KOrea Renal Biobank NEtwoRk System TOward NExt-generation Analysis
NCT03929887Glomerular Disease, Minimal Change Disease, IgA Nephropathy, Membranous Nephropathy
Seoul National University Hospital
Observational
3,000
Chuncheon, Daegu, Seoul
2019-05-01
By invitation
A Prospective Cohort Study for Patients With Adrenal Diseases
NCT03474237Adrenal Adenoma, Cushing Syndrome, Pheochromocytoma, Adrenal Incidentaloma
Seoul National University Hospital
Observational
1,500
Seoul
2018-10-01
Active, closed
Seoul National University Hospital
Phase 1/2
54
Seoul
2018-06-29
Active, closed
Seoul National University Hospital
Observational
5,340
Seoul
2017-09-07
Recruiting
SNUH MICU Cohort Study of PICS
NCT03216785Critical Care, Registries
Seoul National University Hospital
Observational
5,000
Seoul
2017-07-01
Recruiting
Controls for Respiratory Diseases
NCT03120481Chronic Obstructive Pulmonary Disease, Asthma, Idiopathic Pulmonary Fibrosis, Nontuberculous Mycobacterium Infection
Seoul National University Hospital
Observational
1,572
Seoul
2017-04-10
Recruiting
Seoul National University Hospital
Observational
410
Seoul
2016-12
Recruiting
Prognosis of Paroxysmal Kinesigenic Choreoathetosis in Korea
NCT04023656Paroxysmal Kinesigenic Choreoathetosis
Seoul National University Hospital
Observational
100
Seoul
2016-11-11
Active, closed
Active Surveillance on Papillary Thyroid Microcarcinoma
NCT02938702Thyroid Cancer, Papillary Thyroid Microcarcinoma
Seoul National University Hospital
Observational
1,211
Seoul
2016-05
Recruiting
Seoul National University Hospital
Observational
3,000
Seongnam-si, Seoul
2014-08
Recruiting
Korean College of Rheumatology Biologics and Targeted Therapy Registry
NCT01965132Rheumatoid Arthritis, Ankylosing Spondylitis, Psoriatic Arthritis
DrugsTargeted synthetic DMARD·Golimumab·Ixekizumab·Abatacept
Seoul National University Hospital
Observational
10,000
Seoul
2012-12-01
Recruiting
Seoul National University Hospital
Observational
800
Seoul
2012-09
Recruiting
Seoul National University Airway Registry
NCT02527486Chronic Obstructive Pulmonary Disease (COPD), Asthma, Asthma With Chronic Obstructive Pulmonary Disease, Bronchiectasis
Seoul National University Hospital
Observational
800
Seongnam-si, Seoul
2011-09
Active, closed
Association Between μFR And CABG Outcomes
NCT06844721Coronary Artery Bypass Graft Surgery (CABG)
Seoul National University Hospital
Observational
945
Seoul
2008-01-01
Recruiting
Repository for Sepsis and Postresuscitation Samples
NCT01670383Cardiac Arrest, Sepsis
Seoul National University Hospital
Observational
500
Seoul
2006-07
Recruiting
SeOuL cOhort of Brain Tumor MONitoring Study (SOLOMON)
NCT05254197Brain Tumor, Primary, Meningioma, Schwannoma, Pituitary Adenoma
Seoul National University Hospital
Observational
3,000
Seoul
2001-01-01
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Cite this view

Priya Life Science (2026). Clinical trial register: studies with a South Korean investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 11 October 2026. https://priyalifescience.com/clinical-trials-south-korea/city/seoul

Query this register directly
GET /api/trials?country=in&status=recruiting&format=json Try it now →

About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every study on the registry that lists at least one investigative site in South Korea and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 3,365 studies in total at the last sync on 11 Oct 2026, 03:17 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 183 of those studies with a site in Seoul that also match the filters currently applied.

How many clinical trials are recruiting in Seoul?

116 of the 183 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:17 UTC sync. A further 27 have not yet opened recruitment, 31 are active but closed to new participants, and 9 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Seoul), 183 studies
PhaseStudiesRecruitingShare
Not applicable754541%
Observational674636.6%
Phase 217119.3%
Phase 41487.7%
Phase 3542.7%
Phase 1/2311.6%
Phase 1110.5%
Phase 2/3100.5%

Most active sponsors

Lead sponsors with the most studies (Seoul)
Lead sponsorStudiesRecruiting
Seoul National University Hospital183116
Listing here is informational and not medical advice; eligibility is determined by each study team. See also the Ireland, UK, EU, USA and China registers.