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 111 Goyang-si 29 Daegu 20 Suwon 19 Seongnam 16

Trials with a site in Seoul

Status

Study

Lead sponsor

Phase

Enrol

Sites in South Korea

Start

Recruiting

A Study of Ifinatamab Deruxtecan in Pediatric Participants With Relapsed or Refractory Solid Tumors (MK-9999-01D/LIGHTBEAM-U01)

NCT07630974Malignant Neoplasm

DrugIfinatamab Deruxtecan

Merck Sharp & Dohme LLC

Phase 1/2

134

Seoul

2026-07-06

Recruiting

A Clinical Trial of MK-1045 and Rituximab in People With Follicular Lymphoma (MK-1045-007)

NCT07634471Follicular Lymphoma

DrugsRituximab Biosimilar·MK-1045·Riabni·Ruxience

Merck Sharp & Dohme LLC

Phase 2/3

960

Seoul

2026-06-22

Recruiting

A Clinical Trial of Calderasib (MK-1084) and Durvalumab in People With Non-Small Cell Lung Cancer (MK-1084-015/KANDLELIT-015)

NCT07554339Non-small Cell Lung Cancer

DrugsCalderasib·Durvalumab

Merck Sharp & Dohme LLC

Phase 3

310

Goyang-si, Suwon, Cheongju-si, Daegu, Seoul

2026-06-18

Recruiting

A Clinical Trial of Adjuvant Intismeran (V940) With or Without Pembrolizumab Coformulated With Berahyaluronidase Alfa (MK-3475A) in High-Risk Stage I Non-Small Cell Lung Cancer (V940-014)

NCT07513376Non-small Cell Lung Cancer

DrugsPembrolizumab Formulated with Berahyaluronidase Alfa·Intismeran autogene

Merck Sharp & Dohme LLC

Phase 3

876

Goyang-si, Seongnam-si, Suwon, Cheongju-si, Seoul

2026-05-04

Recruiting

A Clinical Study of MK-1045 in People With Non-Hodgkin Lymphoma (MK-1045-008)

NCT07519772Lymphoma, Non-Hodgkin, Lymphoma, Follicular, Lymphoma, Large B-Cell, Diffuse

DrugMK-1045

Merck Sharp & Dohme LLC

Phase 1/2

280

Seoul

2026-05-03

Recruiting

A Clinical Study of MK-1084 With Other Treatments for Non-small Cell Lung Cancer (MK-3475-01F)

NCT07286149Lung Neoplasm Malignant

DrugsCalderasib·Patritumab deruxtecan·Erbitux·Sacituzumab tirumotecan

Merck Sharp & Dohme LLC

Phase 1/2

140

Seoul

2026-04-30

Recruiting

A Clinical Study of Belzutifan (MK-6482) and Zanzalintinib in People With Renal Cell Carcinoma (RCC) (LITESPARK-034/LS-034/MK-6482-034)

NCT07489495Carcinoma, Renal Cell

DrugsZanzalintinib·Belzutifan

Merck Sharp & Dohme LLC

Phase 3

758

Seoul

2026-04-09

Recruiting

A Clinical Trial of Ifinatamab Deruxtecan in People With Advanced Esophageal Cancer (MK-3475-06F)

NCT07405151Oesophageal Squamous Cell Carcinoma

DrugIfinatamab Deruxtecan

Merck Sharp & Dohme LLC

Phase 1/2

Goyang-si, Seoul

2026-03-27

Recruiting

A Study to Evaluate Efficacy and Safety of MK-8690 in Participants With Moderately to Severely Active Ulcerative Colitis (MK-8690-002)

NCT07463183Colitis Ulcerative, Ulcerative Colitis

Merck Sharp & Dohme LLC

Phase 2

100

Wŏnju, Ansan-si, Seoul

2026-03-24

Recruiting

Extension Study for Participants in Studies That Include Belzutifan (MK-6482-043/LITESPARK-043)

NCT07405164Von Hippel-Lindau Disease, Malignant Neoplasms

DrugsBelzutifan·Cabozantinib·Lenvatinib·Nivolumab

Merck Sharp & Dohme LLC

Phase 3

450

Gangnam, Seodaemun-gu, Seoul

2026-03-23

Recruiting

MK-3475A±Calderasib (MK-1084) in Completely Resected Stage IIA-IIIB (N2) KRAS G12Cm NSCLC (MK-1084-013)

NCT07431827Non-small Cell Lung Cancer

DrugsPembrolizumab Formulated with Berahyaluronidase Alfa·Calderasib

Merck Sharp & Dohme LLC

Phase 3

400

Goyang-si, Suwon, Daegu, Seoul

2026-03-18

Recruiting

A Clinical Trial of Sac-TMT in People With Non-HRD Positive Advanced Ovarian Cancer (MK-2870-021)

NCT07318558Ovarian Neoplasms, Ovarian Cancer

DrugsMvasi·Sacituzumab tirumotecan·Avastin·Bevacizumab

Merck Sharp & Dohme LLC

Phase 3

900

Seodaemun-Gu, Daegu, Seoul

2026-02-16

Recruiting

KEYMAKER-U04 Substudy 04D: A Clinical Study of New Treatments Given With Enfortumab Vedotin and Pembrolizumab in People With Urothelial Cancer (MK-3475-04D/KEYMAKER-U04)

NCT07232602Bladder Cancer

DrugsMK-3120·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 1/2

Seoul

2026-02-09

Recruiting

A Clinical Study of Gocatamig (MK-6070) and Infinatamab Deruxtecan (MK-2400) in People With Small Cell Lung Cancer (MK-6070-003)

NCT07227597Small Cell Lung Cancer Extensive Stage

DrugsGocatamig·Ifinatamab Deruxtecan·Etoposide·Atezolizumab

Merck Sharp & Dohme LLC

Phase 1/2

170

Seoul

2026-01-29

Recruiting

A Clinical Study of Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab (MK-3475) as First-line Maintenance Treatment of Cervical Cancer (MK-2870-036/TroFuse-036/GOG-3123/ENGOT-cx22)

NCT07216703Cervical Cancer

DrugsMvasi·Sacituzumab tirumotecan·Paraplatin·Avastin

Merck Sharp & Dohme LLC

Phase 3

1,023

Goyang-si, Jongno-gu, Seodaemun-Gu, Seoul

2026-01-19

Recruiting

KEYMAKER-U01 Substudy 01J: A Study of Pembrolizumab Plus MK-1084 in Participants With Non-Small Cell Lung Cancer (NSCLC) With Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) G12C Mutations (MK-3475-01J/KEYMAKER-U01J)

NCT07252739Malignant Neoplasm

DrugsCalderasib·Sacituzumab tirumotecan·Cetuximab·Keytruda

Merck Sharp & Dohme LLC

Phase 2

140

Seoul

2025-12-19

Recruiting

A Clinical Study of MK-4716 in People With Certain Solid Tumors (MK-4716-001)

NCT07247110Malignant Neoplasm

DrugsCetuximab·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 1

250

Seoul

2025-12-16

Recruiting

A Study of Intismeran Autogene (V940)/Placebo + Pembrolizumab and Chemotherapy in Metastatic Squamous Non-Small Cell Lung Cancer (V940-013)

NCT07221474Squamous Non-small Cell Lung Cancer

DrugsIntismeran autogene·Nab-paclitaxel·Keytruda·Paclitaxel

Merck Sharp & Dohme LLC

Phase 2

180

Goyang-si, Seongnam-si, Cheongju-si, Seoul

2025-12-12

Recruiting

A Clinical Study of Calderasib (MK-1084) in People With Advanced Solid Tumors (MK-1084-014)

NCT07209111Neoplasm Malignant

DrugsCalderasib·Cetuximab

Merck Sharp & Dohme LLC

Phase 2

150

Seoul

2025-12-04

Recruiting

A Clinical Study of Belzutifan and Zanzalintinib in People With Recurrent Kidney Cancer Following Adjuvant Therapy (MK-6482-033)

NCT07227402Renal Cell Carcinoma

DrugsZanzalintinib·Belzutifan·Cabozantinib

Merck Sharp & Dohme LLC

Phase 3

904

Hwasun-gun, Seongnam, Taejŏn, Seoul

2025-11-26

Recruiting

A Clinical Study of Calderasib (MK-1084) and Other Treatments for Participants With Non-Small Cell Lung Cancer (MK-1084-007/KANDLELIT-007)

NCT07190248Non-small Cell Lung Cancer

Drugs) Berahyaluronidase alfa·Calderasib·Paraplatin·Pemetrexed

Merck Sharp & Dohme LLC

Phase 3

675

Jeollanam-do, Yangsan, Busan, Daejeon, Seoul

2025-10-08

Active, closed

A Clinical Study of Tulisokibart (MK-7240) to Treat Rheumatoid Arthritis (RA) (MK-7240-014)

NCT07176390Arthritis, Rheumatoid

DrugsTulisokibart·Methotrexate

Merck Sharp & Dohme LLC

Phase 2

185

Cheonan-si, Daejeon, Seoul

2025-10-08

Recruiting

A Clinical Study of Tulisokibart (MK-7240) to Treat Radiographic Axial Spondyloarthritis (MK-7240-013)

NCT07133633Radiographic Axial Spondyloarthritis

DrugTulisokibart

Merck Sharp & Dohme LLC

Phase 2

315

Seoul

2025-09-26

Recruiting

Substudy 06E: Umbrella Study of Combination Therapies in Esophageal Cancer (MK-3475-06E/KEYMAKER-U06)

NCT06780111Esophageal Squamous Cell Carcinoma

DrugsIfinatamab Deruxtecan·Sacituzumab tirumotecan·Leucovorin·Adrucil

Merck Sharp & Dohme LLC

Phase 1/2

298

Goyang-si, Seoul

2025-07-30

Recruiting

A Clinical Study of Patritumab Deruxtecan to Treat Breast Cancer (MK-1022-016)

NCT07060807Breast Neoplasms

DrugsPatritumab deruxtecan·Pegylated liposomal doxorubicin·Abraxane·Xeloda

Merck Sharp & Dohme LLC

Phase 3

1,000

Seongnam, Gangnam-gu, Jongno-Gu, Seoul

2025-07-21

Recruiting

Substudy 03C: A Study of Combination Therapies in Participants With Renal Cell Carcinoma With Recurrent Disease During or After Anti-PD-(L)1 Therapy (MK-3475-03C/KEYMAKER-U03)

NCT07049926Renal Cell Carcinoma

DrugsZanzalintinib·Belzutifan

Merck Sharp & Dohme LLC

Phase 1/2

140

Seoul

2025-07-20

Recruiting

A Clinical Study of Calderasib (MK-1084) With Targeted Therapy and Chemotherapy in People With Colorectal Cancer (MK-1084-012/KANDLELIT-012)

NCT06997497Colon Adenocarcinoma, Rectal Adenocarcinoma

DrugsBevacizumab biosimilar·Calderasib·Mvasi·Erbitux

Merck Sharp & Dohme LLC

Phase 3

477

Goyang-si, Seongnam-si, Suwon, Gangnam, Songpa-gu, Buk-Gu, Seoul

2025-07-16

Recruiting

A Clinical Study of MK-2214 in People With Early Alzheimer's Disease (MK-2214-004)

NCT07033494Early Alzheimer's Disease

Merck Sharp & Dohme LLC

Phase 2

340

Seoul

2025-07-16

Recruiting

A Clinical Study of Ifinatamab Deruxtecan Based Treatment Combinations or as Monotherapy to Treat Metastatic Castrate Resistant Prostate Cancer (mCRPC) (MK-2400-01A/IDeate-Prostate02)

NCT06863272Castration-Resistant Prostatic Cancer, Metastasis

DrugsOpevesostat·Ifinatamab Deruxtecan·Abiraterone·Enzalutamide

Merck Sharp & Dohme LLC

Phase 1/2

360

Songpagu, Seoul

2025-07-03

Recruiting

A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)

NCT06966700Breast Neoplasms, Triple Negative Breast Neoplasms, HR Low-Positive/HER2-Negative Breast Neoplasms

DrugsEpirubicin·Adriamycin·Xeloda·Sacituzumab tirumotecan

Merck Sharp & Dohme LLC

Phase 3

2,400

Goyang-si, Kyonggi-do, Taegu, Seoul

2025-06-30

Recruiting

A Study of Patritumab Deruxtecan in Pediatric Participants With Relapsed or Refractory Solid Tumors (MK-9999-01C/LIGHTBEAM-U01)

NCT06941272Malignant Neoplasm

DrugPatritumab deruxtecan

Merck Sharp & Dohme LLC

Phase 1/2

Seoul

2025-05-26

Recruiting

A Study to Compare Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab (MK-3475) Versus Pembrolizumab Alone as Treatment in Participants With Mismatch Repair Proficient Endometrial Cancer (MK-2870-033/TroFuse-033/GOG-3119/ENGOT-en29)

NCT06952504Endometrial Cancer

DrugsSacituzumab tirumotecan·Docetaxel·Keytruda·Paclitaxel

Merck Sharp & Dohme LLC

Phase 3

1,123

Gyeonggi-do, Daegu, Seoul

2025-05-22

Recruiting

A Clinical Study of Ifinatamab Deruxtecan (I-DXd) in People With Metastatic Prostate Cancer (MK-2400-001)

NCT06925737Prostate Cancer, Prostatic Neoplasms

DrugsIfinatamab Deruxtecan·Prednisolone·Prednisone·Docetaxel

Merck Sharp & Dohme LLC

Phase 3

1,440

Hwasun Gun, Seocho-gu, Songpagu, Tonggu, Seoul

2025-05-13

Active, closed

A Clinical Study of Sotatercept (MK-7962) in People With Pulmonary Arterial Hypertension (MK-7962-031/LIGHTRAY EXTENSION)

NCT06925750Pulmonary Arterial Hypertension

DrugSotatercept

Merck Sharp & Dohme LLC

Phase 2

130

Gwangju, Seogu, Seoul

2025-05-12

Recruiting

A Study to Evaluate the Efficacy and Safety of Sacituzumab Tirumotecan (MK-2870) Maintenance Treatment Versus Standard of Care in Participants With Platinum-sensitive Recurrent Ovarian Cancer (MK-2870-022/TroFuse-022/ENGOT-ov84/GOG-3103)

NCT06824467Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer

DrugsSteroid mouthwash (dexamethasone·Mvasi·Acetaminophen·Sacituzumab tirumotecan

Merck Sharp & Dohme LLC

Phase 3

770

Goyang-si, Seodaemun-Gu, Songpa-gu, Seoul

2025-04-09

Recruiting

A Study to Evaluate the Safety and Efficacy of MK-3120 in Participants With Advanced Solid Tumors (MK-3120-002)

NCT06818643Advanced Solid Tumors, Malignant Neoplasm

DrugMK-3120

Merck Sharp & Dohme LLC

Phase 1/2

270

Seoul

2025-03-25

Recruiting

Study of Patritumab Deruxtecan Plus Pembrolizumab With Other Anticancer Agents in Participants With High-Risk Early-Stage Triple-Negative or Hormone Receptor-Low Positive/HER-2 Negative Breast Cancer (MK-1022-010, HERTHENA-Breast-03)

NCT06797635Breast Neoplasms, Breast Cancer

DrugsPatritumab deruxtecan·Doxorubicin Hydrochloride·Epirubicin·Adriamycin

Merck Sharp & Dohme LLC

Phase 2

372

Seoul

2025-03-20

Recruiting

A Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) as Monotherapy and in Combination With Pembrolizumab (MK-3475) in Participants With Triple-Negative Breast Cancer (MK-2870-011/TroFuse-011)

NCT06841354Triple Negative Breast Neoplasms

DrugsAbraxane·Sacituzumab tirumotecan·Paraplatin·Taxol

Merck Sharp & Dohme LLC

Phase 3

1,000

Goyang-si, Seongnam, Daegu, Seoul

2025-03-16

Recruiting

A Study to Evaluate the Safety and Efficacy of Gocatamig (MK-6070) and Ifinatamab Deruxtecan (I-DXd) in Participants With Relapsed/Refractory Extensive-Stage Small Cell Lung Cancer (MK-6070-002)

NCT06780137Small Cell Lung Cancer

DrugsGocatamig·Ifinatamab Deruxtecan·Durvalumab

Merck Sharp & Dohme LLC

Phase 1/2

327

Seoul

2025-02-27

Recruiting

Study of Patritumab Deruxtecan With Other Anticancer Agents in Participants With HER2 Positive Breast Cancer That Has Spread and Cannot Be Surgically Removed (MK-1022-009)

NCT06686394Breast Neoplasms, Breast Cancer

DrugsOgivri·Herzuma·Patritumab deruxtecan·Tucatinib

Merck Sharp & Dohme LLC

Phase 1/2

181

Seoul

2025-02-26

Recruiting

A Study to Evaluate Zilovertamab Vedotin (MK-2140) Combination With Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) in Participants With Previously Untreated DLBCL (MK-2140-010)

NCT06717347Diffuse Large B-Cell Lymphoma

DrugsRituximab Biosimilar·Zilovertamab vedotin·Riabni·Ruxience

Merck Sharp & Dohme LLC

Phase 3

1,046

Goyang-si, Busan, Daejeon, Seoul

2025-01-27

Recruiting

A Clinical Study of Molnupiravir to Prevent Severe Illness From Coronavirus Disease 2019 (COVID-19) in People Who Are High Risk (MK-4482-023)

NCT06667700Coronavirus Disease (COVID-19)

DrugMolnupiravir

Merck Sharp & Dohme LLC

Phase 3

3,082

Wŏnju, Gwangju, Ansan-si, Jinju, Pusan, Deagu, Seoul

2024-12-02

Active, closed

Study of Belzutifan (MK-6482) Plus Fulvestrant for ER+/HER2- Metastatic Breast Cancer (MK-6482-029/LITESPARK-029)

NCT06428396Metastatic Breast Cancer

DrugsBelzutifan·Exemestane·Everolimus·Fulvestrant

Merck Sharp & Dohme LLC

Phase 2

120

Seoul

2024-11-27

Active, closed

A Clinical Study of Pembrolizumab (+) Berahyaluronidase Alfa (MK-3475A) to Treat Newly-diagnosed Metastatic Non-small Cell Lung Cancer (MK-3475A-F84)

NCT06698042Lung Cancer, Non-Small Cell Lung Cancer

Drugs) Berahyaluronidase alfa·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

Pusan Kwangyokshi, Daejeon, Seoul

2024-11-21

Active, closed

Study of Patritumab Deruxtecan in Participants With Gastrointestinal Cancers (MK-1022-011) (HERTHENA-PanTumor02)

NCT06596694Gastrointestinal Cancer

DrugPatritumab deruxtecan

Merck Sharp & Dohme LLC

Phase 1/2

180

Seodaemun-gu, Seoul

2024-11-03

Recruiting

A Study of Pembrolizumab (MK-3475) With or Without Intismeran Autogene (V940) in Participants With Non-small Cell Lung Cancer (V940-009/INTerpath-009)

NCT06623422Carcinoma, Non-Small-Cell Lung

DrugsIntismeran autogene·Paraplatin·Taxol·Pemetrexed

Merck Sharp & Dohme LLC

Phase 3

680

Goyang-si, Suwon, Seoul

2024-10-21

Active, closed

A Study to Evaluate the Safety and Efficacy of Pembrolizumab (MK-3475) Coformulated With Berahyaluronidase Alfa (MK-3475A) in Participants With Relapsed or Refractory Classical Hodgkin Lymphoma (rrcHL) or Relapsed or Refractory Primary Mediastinal Large B-cell Lymphoma (rrPMBCL)(MK-3475A-F65)

NCT06504394Classical Hodgkin Lymphoma Recurrent, Classical Hodgkin Lymphoma Refractory, Primary Mediastinal Large B-cell Lymphoma Recurrent, Primary Mediastinal Large B-cell Lymphoma Refractory

Drugs) Berahyaluronidase alfa·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 2

Seoul

2024-10-14

Recruiting

Substudy 06C: A Study of Investigational Agents With Pembrolizumab (MK-3475) and Chemotherapy in Participants With First-Line Locally Advanced Unresectable/Metastatic Gastroesophageal Adenocarcinoma (MK-3475-06C/KEYMAKER-U06)

NCT06469944Gastroesophageal Junction, Gastroesophageal Adenocarcinoma, Esophageal Neoplasms, Esophageal Cancer

DrugsPatritumab deruxtecan·Xeloda·Sacituzumab tirumotecan·Leucovorin

Merck Sharp & Dohme LLC

Phase 1/2

160

Seoul

2024-09-20

Recruiting

Substudy 01A: Zilovertamab Vedotin in Pediatric and Young Adult Participants With Hematologic Malignancies or Solid Tumors (MK-9999-01A/LIGHTBEAM-U01)

NCT06395103B-cell Acute Lymphoblastic Leukemia, Diffuse Large B-cell Lymphoma, Burkitt Lymphoma, Neuroblastoma

DrugZilovertamab vedotin

Merck Sharp & Dohme LLC

Phase 1/2

Seoul

2024-08-16

Recruiting

Substudy 06D: Combination Therapies in Second Line (2L) Gastroesophageal Adenocarcinoma (MK-3475-06D/Keymaker-U06)

NCT06445972Gastroesophageal Junction, Gastroesophageal Adenocarcinoma, Esophageal Neoplasms, Esophageal Cancer

DrugsPatritumab deruxtecan·Ramucirumab·Sacituzumab tirumotecan·Paclitaxel

Merck Sharp & Dohme LLC

Phase 1/2

210

Seoul

2024-08-07

Active, closed

A Study to Compare Sacituzumab Tirumotecan (MK-2870) Monotherapy Versus Treatment of Physician's Choice as Second-line Treatment for Participants With Recurrent or Metastatic Cervical Cancer (MK-2870-020/TroFuse-020/Gog-3101/ENGOT-cx20)

NCT06459180Cervical Cancer

DrugsTisotumab Vedotin·Vinorelbine·Topotecan·Sacituzumab tirumotecan

Merck Sharp & Dohme LLC

Phase 3

686

Seoul

2024-07-24

Active, closed

A Study of Efficacy and Safety of Sacituzumab Tirumotecan (MK-2870) Plus Enfortumab Vedotin (EV) With and Without Pembrolizumab in Advanced Urothelial Carcinoma (MK-3475-04C/KEYMAKER-U04)

NCT06483334Metastatic Urothelial Carcinoma, Locally Advanced Urothelial Carcinoma

DrugsEnfortumab Vedotin·Sacituzumab tirumotecan·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 1/2

Seoul

2024-07-17

Recruiting

Sacituzumab Tirumotecan (MK-2870) Plus Pembrolizumab Versus TPC in TNBC Who Did Not Achieve pCR (MK-2870-012)

NCT06393374Triple-Negative Breast Cancer

DrugsXeloda·Sacituzumab tirumotecan·Keytruda·Capecitabine

Merck Sharp & Dohme LLC

Phase 3

1,530

Seoul

2024-06-24

Recruiting

A Clinical Study of MK-2870 Alone or With Other Treatments to Treat Gastrointestinal Cancers (MK-9999-02A)

NCT06428409Colorectal Cancer, Pancreatic Ductal Adenocarcinoma, Biliary Tract Cancer

DrugsSacituzumab tirumotecan·Fluorouracil·Leucovorin·Adrucil

Merck Sharp & Dohme LLC

Phase 1/2

220

Seoul

2024-06-20

Recruiting

Pembrolizumab With or Without Maintenance Sacituzumab Tirumotecan (Sac-TMT; MK-2870) in Metastatic Squamous Non-small Cell Lung Cancer (NSCLC) [MK-2870-023]

NCT06422143Non-small Cell Lung Cancer, NSCLC

DrugsSacituzumab tirumotecan·Nab-paclitaxel·Keytruda·Paclitaxel

Merck Sharp & Dohme LLC

Phase 3

851

Bupyeong-gu, Yangsan, Busan, Deagu, Daejeon, Seoul

2024-06-10

Recruiting

A Study of Calderasib (MK-1084) Plus Pembrolizumab (MK-3475) in Participants With KRAS G12C Mutant Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥50% (MK-1084-004/KANDLELIT-004)

NCT06345729Non-small Cell Lung Cancer

DrugsCalderasib·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

348

Bupyeong-gu, Hwasun, Suwon, Yangsan, Daegu, Junggu, Incheon, Seoul

2024-05-24

Recruiting

Substudy 01A: Safety and Efficacy of Opevesostat (MK-5684)-Based Treatment Combinations or Opevesostat Alone in Participants With Metastatic Castration-resistant Prostate Cancer (mCRPC) (MK-5684-01A)

NCT06353386Prostatic Neoplasms, Castration-Resistant

DrugsFludrocortisone acetate·Opevesostat·Cabazitaxel·Taxotere

Merck Sharp & Dohme LLC

Phase 1/2

220

Songpagu, Seoul

2024-05-20

Active, closed

A Study to Evaluate Sacituzumab Tirumotecan (MK-2870) in Advanced/Metastatic Gastroesophageal Adenocarcinoma (MK-2870-015)

NCT06356311Gastroesophageal Cancer

DrugsTrifluridine/Tipiracil·Sacituzumab tirumotecan·Irinotecan·Docetaxel

Merck Sharp & Dohme LLC

Phase 3

450

Seongnam, Seoul

2024-05-03

Recruiting

A Study of Sacituzumab Tirumotecan (MK-2870) as a Single Agent and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With HR+/HER2- Unresectable Locally Advanced or Metastatic Breast Cancer (MK-2870-010)

NCT06312176Breast Neoplasms

DrugsLiposomal doxorubicin·Abraxane·Xeloda·Sacituzumab tirumotecan

Merck Sharp & Dohme LLC

Phase 3

1,200

Seoul

2024-04-14

Active, closed

A Study of Adjuvant Intismeran Autogene (V940) and Pembrolizumab in Renal Cell Carcinoma (V940-004).

NCT06307431Renal Cell Carcinoma

DrugsIntismeran autogene·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 2

272

Seoul

2024-04-10

Recruiting

A Study to Assess Efficacy and Safety of Pembrolizumab With or Without Sacituzumab Tirumotecan (MK- 2870) in Adult Participants With Resectable Non Small Cell Lung Cancer (NSCLC) Not Achieving Pathological Complete Response (pCR) (MK-2870-019)

NCT06312137Non Small Cell Lung Cancer

DrugsSacituzumab tirumotecan·Pemetrexed·Gemcitabine·Paclitaxel

Merck Sharp & Dohme LLC

Phase 3

780

Goyang-si, Seongnam, Suwon, Cheongju-si, Daegu, Seoul

2024-04-03

Active, closed

A Clinical Study of Intismeran Autogene (V940) Treatment and Pembrolizumab in People With Bladder Cancer (V940-005/INTerpath-005)

NCT06305767Bladder Cancer

DrugsIntismeran autogene·Enfortumab Vedotin·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 1/2

230

Seoul

2024-03-28

Recruiting

Study of Opevesostat (MK-5684) Versus Alternative NHA in mCRPC (MK-5684-003)

NCT06136624Prostate Cancer Metastatic

DrugsFludrocortisone acetate·Opevesostat·Zytiga·Hydrocortisone

Merck Sharp & Dohme LLC

Phase 3

1,310

Songpagu, Seoul

2023-12-31

Active, closed

A Study of Bomedemstat (IMG-7289/MK-3543) Compared to Best Available Therapy (BAT) in Participants With Essential Thrombocythemia and an Inadequate Response or Intolerance of Hydroxyurea (MK-3543-006)

NCT06079879Essential Thrombocythemia

DrugsAnagrelide·Bomedemstat·Busulfan·Ruxolitinib

Merck Sharp & Dohme LLC

Phase 3

340

Seongnam, Seoul

2023-12-31

Recruiting

A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)

NCT06136650Metastatic Castration-resistant Prostate Cancer (mCRPC), Prostatic Neoplasms

DrugsFludrocortisone acetate·Opevesostat·Prednisone Acetate·Zytiga

Merck Sharp & Dohme LLC

Phase 3

1,314

Goyang-si, Seongnam, Buk-gu, Pusan, Seoul

2023-12-18

Recruiting

Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab Versus Pembrolizumab Alone in Metastatic Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥ 50% (MK-2870-007)

NCT06170788Non-small Cell Lung Cancer (NSCLC)

DrugsSacituzumab tirumotecan·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

614

Wŏnju, Goyang-si, Suwon, Cheongju-si, Daegu, Seoul

2023-12-15

Active, closed

Sacituzumab Tirumotecan (MK-2870) in Post Platinum and Post Immunotherapy Endometrial Cancer (MK-2870-005)

NCT06132958Endometrial Cancer

DrugsAbraxane·Adriamycin·Sacituzumab tirumotecan·Taxol

Merck Sharp & Dohme LLC

Phase 3

710

Seongnam, Seoul

2023-12-06

Active, closed

A Study of Intismeran Autogene (V940) Plus Pembrolizumab (MK-3475) Versus Placebo Plus Pembrolizumab in Participants With Non-small Cell Lung Cancer (V940-002)

NCT06077760Non-small Cell Lung Cancer

DrugsIntismeran autogene·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

868

Goyang-si, Seongnam, Suwon, Cheongju-si, Daegu, Seoul

2023-12-06

Active, closed

A Study to Evaluate Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderately to Severely Active Ulcerative Colitis (MK-7240-001)

NCT06052059Ulcerative Colitis

DrugTulisokibart

Merck Sharp & Dohme LLC

Phase 3

1,109

Wŏnju, Suwon, Busan, Haeundae-gu, Dongjak-gu, Daegu, Daejeon, Seoul

2023-10-25

Active, closed

Enlicitide Decanoate (MK-0616 Oral PCSK9 Inhibitor) Cardiovascular Outcomes Study (MK-0616-015) CORALreef Outcomes

NCT06008756Arteriosclerosis, Hypercholesterolaemia

DrugEnlicitide Decanoate

Merck Sharp & Dohme LLC

Phase 3

14,550

Seongnam, Suwon, Busan, Daegu, Seoul

2023-10-09

Active, closed

A Clinical Study of Intismeran Autogene (V940) Plus Pembrolizumab in People With High-Risk Melanoma (V940-001)

NCT05933577Melanoma

DrugsIntismeran autogene·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

1,089

Daegu, Daejeon, Seoul

2023-07-19

Active, closed

A Study of Efficacy and Safety of Pembrolizumab Plus Enfortumab Vedotin (EV) +/- Investigational Agents in First-Line Metastatic Urothelial Carcinoma (mUC) (MK-3475-04B/KEYMAKER-U04)

NCT05845814Metastatic Urothelial Carcinoma, Urothelial Neoplasms

DrugsPembrolizumab/Vibostolimab·Pembrolizumab/Favezelimab·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 1/2

390

Seoul

2023-06-23

Recruiting

Efficacy, Safety, and Pharmacokinetics of Vericiguat in Pediatric Participants With Heart Failure Due to Left Ventricular Systolic Dysfunction (MK-1242-036)

NCT05714085Heart Failure, Left Ventricular Systolic Dysfunction

DrugVericiguat

Merck Sharp & Dohme LLC

Phase 2/3

342

Pusan, Seoul

2023-05-31

Recruiting

A Study to Evaluate Investigational Agents With or Without Pembrolizumab (MK-3475) in Participants With Advanced Esophageal Cancer Previously Exposed to Programmed Cell Death 1 Protein (PD-1)/ Programmed Cell Death Ligand 1 (PD-L1) Treatment (MK-3475-06B)

NCT05319730Esophageal Squamous Cell Carcinoma

DrugsMK-4830·Steroid mouthwash (dexamethasone·Acetaminophen·Sacituzumab tirumotecan

Merck Sharp & Dohme LLC

Phase 1/2

230

Seoul

2023-05-16

Active, closed

Frespaciguat (MK-5475) INSIGNIA-PH-COPD: A Study of the Efficacy and Safety of Frespaciguat (an Inhaled sGC Stimulator) in Adults With PH-COPD

NCT05612035Pulmonary Hypertension, Chronic Obstructive Pulmonary Disease

Merck Sharp & Dohme LLC

Phase 2

129

Namdong-gu, Seoul

2023-03-16

Active, closed

Study of Pembrolizumab (MK-3475) Monotherapy Versus Sacituzumab Govitecan in Combination With Pembrolizumab for Participants With Metastatic Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥50% (MK-3475-D46)

NCT05609968Carcinoma, Non-Small-Cell Lung

DrugsSacituzumab Govitecan·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

614

Hwasun, Pusan, Daejeon, Seoul

2023-02-06

Recruiting

A Substudy of Investigational Agents in Programmed Cell Death-1/Ligand 1 (PD-1/L1) Refractory Locally Advanced or Metastatic Urothelial Carcinoma (mUC) (MK-3475-04A)

NCT05562830Urothelial Carcinoma

DrugsMK-3120·Zilovertamab vedotin·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 1/2

Seoul

2022-11-16

Active, closed

A Study of Zilovertamab Vedotin (MK-2140) as Monotherapy and in Combination in Participants With Aggressive and Indolent B-cell Malignancies (MK-2140-006)

NCT05458297Chronic Lymphocytic Leukemia, Mantle Cell Lymphoma, Follicular Lymphoma, Richter Transformation Lymphoma

DrugsZilovertamab vedotin·Nemtabrutinib

Merck Sharp & Dohme LLC

Phase 2

189

Seoul

2022-07-21

Active, closed

A Study of Zilovertamab Vedotin (MK-2140) in Combination With Cyclophosphamide, Doxorubicin, and Prednisone Plus Rituximab or Rituximab Biosimilar (Truxima) (R-CHP) in Participants With Diffuse Large B-Cell Lymphoma (DLBCL) (MK-2140-007)

NCT05406401Lymphoma, Large B-Cell, Diffuse (DLBCL)

DrugsRituximab Biosimilar·Zilovertamab vedotin·Truxima·Adriamycin

Merck Sharp & Dohme LLC

Phase 2

Seoul

2022-07-14

Active, closed

Pembrolizumab/Vibostolimab (MK-7684A) or Atezolizumab in Combination With Chemotherapy in First Line Treatment of Extensive-Stage Small Cell Lung Cancer (MK-7684A-008/KEYVIBE-008)

NCT05224141Small Cell Lung Carcinoma

DrugsPembrolizumab/Vibostolimab·Tecentriq·Paraplatin·Etoposide

Merck Sharp & Dohme LLC

Phase 3

460

Hwasun, Deagu, Daejeon, Seoul

2022-03-24

Active, closed

A Study of Belzutifan (MK-6482) Plus Pembrolizumab (MK-3475) Versus Placebo Plus Pembrolizumab in Participants With Clear Cell Renal Cell Carcinoma Post Nephrectomy (MK-6482-022)

NCT05239728Carcinoma, Renal Cell

DrugsBelzutifan·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

1,800

Goyang-si, Seongnam, Songpagu, Seoul

2022-03-15

Recruiting

Posaconazole (MK-5592) Intravenous and Oral in Children (<2 Years) With Invasive Fungal Infection (MK-5592-127)

NCT04665037Invasive Fungal Infection

DrugPosaconazole

Merck Sharp & Dohme LLC

Phase 2

Seoul

2022-02-22

Active, closed

Study of Pembrolizumab (MK-3475) Versus Chemotherapy in Mismatch Repair Deficient (dMMR) Advanced or Recurrent Endometrial Carcinoma (MK-3475-C93/KEYNOTE-C93/GOG-3064/ENGOT-en15)

NCT05173987Endometrial Neoplasms

DrugsTaxotere·Paraplatin·Taxol·Docetaxel

Merck Sharp & Dohme LLC

Phase 3

280

Seoul

2022-02-03

Recruiting

A Study of Zilovertamab Vedotin (MK-2140) in Combination With Standard of Care in Participants With Relapsed or Refractory Diffuse Large B-Cell Lymphoma (rrDLBCL) (MK-2140-003)

NCT05139017DLBCL, Diffuse Large B-Cell Lymphoma

DrugsZilovertamab vedotin·Granulocyte Colony-Stimulating Factor·Riabni·G-Csf

Merck Sharp & Dohme LLC

Phase 2/3

290

Seoul

2022-01-14

Recruiting

A Study of Calderasib (MK-1084) in KRAS Mutant Advanced Solid Tumors (MK-1084-001)

NCT05067283Advanced Solid Tumors

DrugsCalderasib·Leucovorin·Cetuximab·Adrucil

Merck Sharp & Dohme LLC

Phase 1

830

Seoul

2021-12-17

Active, closed

Pembrolizumab/Placebo Plus Paclitaxel With or Without Bevacizumab for Platinum-resistant Recurrent Ovarian Cancer (MK-3475-B96/KEYNOTE-B96/ENGOT-ov65).

NCT05116189Ovarian Cancer, Carcinoma, Ovarian Epithelial, Fallopian Tube Neoplasms

DrugsZirabev·Taxotere·Avastin·Docetaxel

Merck Sharp & Dohme LLC

Phase 3

643

Seoul

2021-12-13

Active, closed

Safety and Efficacy Study of Investigational Agents as Monotherapy or in Combination With Pembrolizumab (MK-3475) for the Treatment of Extensive-Stage Small Cell Lung Cancer (ES-SCLC) in Need of Second-Line Therapy (MK-3475-B98/KEYNOTE-B98)

NCT04938817Small Cell Lung Carcinoma

DrugsMK-4830·Pembrolizumab/Favezelimab·Pembrolizumab/Quavonlimab·R-DXd

Merck Sharp & Dohme LLC

Phase 1/2

110

Seongnam, Cheongju-si, Seoul

2021-08-19

Active, closed

Pembrolizumab Plus Lenvatinib in Combination With Belzutifan in Solid Tumors (MK-6482-016)

NCT04976634Neoplasm Malignant

DrugsBelzutifan·Lenvatinib·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 2

730

Hwasun Gun, Daegu, Seoul

2021-08-18

Active, closed

Evaluation of Co-formulated Pembrolizumab/Quavonlimab (MK-1308A) Versus Other Treatments in Participants With Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) Stage IV Colorectal Cancer (CRC) (MK-1308A-008/KEYSTEP-008).

NCT04895722Colorectal Cancer

DrugsPembrolizumab/Vibostolimab·MK-4830·Pembrolizumab/Favezelimab·Pembrolizumab/Quavonlimab

Merck Sharp & Dohme LLC

Phase 2

302

Daegu, Seoul

2021-06-25

Active, closed

Study of Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy for HR+/HER2- Locally Recurrent Inoperable or Metastatic Breast Cancer (MK-3475-B49/KEYNOTE-B49)

NCT04895358Breast Neoplasms

DrugsLiposomal doxorubicin·Abraxane·Xeloda·Taxol

Merck Sharp & Dohme LLC

Phase 3

342

Goyang-si, Seongnam, Seoul

2021-06-18

Active, closed

A Clinical Study of Sotatercept (MK-7962) in People With Pulmonary Arterial Hypertension (MK-7962-038)

NCT07218029Pulmonary Arterial Hypertension

DrugSotatercept

Merck Sharp & Dohme LLC

Phase 3

815

Incheon, Seoul

2021-05-12

Active, closed

Perioperative Enfortumab Vedotin (EV) Plus Pembrolizumab (MK-3475) Versus Neoadjuvant Chemotherapy for Cisplatin-Eligible Muscle Invasive Bladder Cancer (MIBC) (MK-3475-B15/ KEYNOTE-B15 / EV-304)

NCT04700124Bladder Cancer

DrugsEnfortumab Vedotin·Keytruda·Gemcitabine·Cisplatin

Merck Sharp & Dohme LLC

Phase 3

808

Jeollanam-do, Gyeonggi-do, Songpagu, Daegu, Incheon, Seoul

2021-04-21

Active, closed

A Study of Pembrolizumab (MK-3475) in Combination With Belzutifan (MK-6482) and Lenvatinib (MK-7902), or Pembrolizumab/Quavonlimab (MK-1308A) in Combination With Lenvatinib, Versus Pembrolizumab and Lenvatinib, for Treatment of Advanced Clear Cell Renal Cell Carcinoma (MK-6482-012)

NCT04736706Carcinoma, Renal Cell

DrugsPembrolizumab/Quavonlimab·Belzutifan·Lenvatinib·Keytruda

Merck Sharp & Dohme LLC

Phase 3

1,688

Goyang-si, Daejeon, Seoul

2021-04-14

Recruiting

Efficacy and Safety of Nemtabrutinib (MK-1026) in Participants With Hematologic Malignancies (MK-1026-003)

NCT04728893Hematologic Malignancies, Waldenstroms Macroglobulinaemia, Non-Hodgkins Lymphoma, Chronic Lymphocytic Leukaemia

DrugNemtabrutinib

Merck Sharp & Dohme LLC

Phase 2

490

Seoul

2021-04-05

Active, closed

A Study of Belzutifan (MK-6482) in Combination With Lenvatinib Versus Cabozantinib for Treatment of Renal Cell Carcinoma (MK-6482-011)

NCT04586231Carcinoma, Renal Cell

DrugsBelzutifan·Cabozantinib·Lenvatinib

Merck Sharp & Dohme LLC

Phase 3

747

Hwasun, Seoul

2021-02-25

Active, closed

Study of Pembrolizumab (MK-3475) in Combination With Adjuvant Chemotherapy With or Without Radiotherapy in Participants With Newly Diagnosed Endometrial Cancer After Surgery With Curative Intent (MK-3475-B21 / KEYNOTE-B21 / ENGOT-en11 / GOG-3053)

NCT04634877Endometrial Neoplasms

DrugsDocetaxel·Keytruda·Paclitaxel·Cisplatin

Merck Sharp & Dohme LLC

Phase 3

990

Goyang-si, Seongnam-si, Seoul

2021-01-10

Active, closed

Placebo-controlled, Study of Concurrent Chemoradiation Therapy With Pembrolizumab Followed by Pembrolizumab and Olaparib in Newly Diagnosed Treatment-Naïve Limited-Stage Small Cell Lung Cancer (LS-SCLC) (MK 7339-013/KEYLYNK-013)

NCT04624204Small Cell Lung Cancer

DrugsOlaparib·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

672

Goyang-si, Seongnam-si, Suwon, Busan, Songpagu, Daegu, Seoul

2020-12-08

Active, closed

Study of Pembrolizumab With Concurrent Chemoradiation Therapy Followed by Pembrolizumab With or Without Olaparib in Stage III Non-Small Cell Lung Cancer (NSCLC) (MK-7339-012/KEYLYNK-012)

NCT04380636Lung Neoplasms, Carcinoma, Non-Small-Cell Lung

DrugsParaplatin·Taxol·Olaparib·Etoposide

Merck Sharp & Dohme LLC

Phase 3

870

Goyang-si, Seongnam-si, Suwon, Jinju, Cheongju-si, Daegu, Seoul

2020-07-06

Active, closed

Efficacy and Safety of Pembrolizumab (MK-3475) in Combination With Chemoradiotherapy (CRT) Versus CRT Alone in Muscle-invasive Bladder Cancer (MIBC) (MK-3475-992/KEYNOTE-992)

NCT04241185Urinary Bladder Neoplasms

DrugsMitomycin C·Fluorouracil·Adrucil·Keytruda

Merck Sharp & Dohme LLC

Phase 3

520

Gyeonggi-do, Seongnam-si, Daejeon, Seoul

2020-05-19

Active, closed

Efficacy Against Oral Persistent Infection, Immunogenicity and Safety of the 9-valent Human Papillomavirus Vaccine (9vHPV) in Men Aged 20-45 Years (V503-049)

NCT04199689Papillomavirus Infections

DrugNonavalent HPV vaccine

Merck Sharp & Dohme LLC

Phase 3

6,033

Ansan-si, Seoul

2020-02-27

Active, closed

A Study of Belzutifan (MK-6482) Versus Everolimus in Participants With Advanced Renal Cell Carcinoma (MK-6482-005)

NCT04195750Carcinoma, Renal Cell

DrugsBelzutifan·Everolimus

Merck Sharp & Dohme LLC

Phase 3

755

Gyeonggi-do, Daejeon, Seoul

2020-02-27

Recruiting

KEYMAKER-U01 Substudy 01A: Efficacy and Safety Study of Pembrolizumab (MK-3475) With or Without Chemotherapy When Used With Investigational Agents in Treatment-naïve Participants With Stage IV Non-small Cell Lung Cancer (NSCLC) (MK-3475-01A/KEYMAKER-U01A)

NCT04165070Carcinoma, Non-Small-Cell Lung

DrugsMK-4830·Ifinatamab Deruxtecan·Patritumab deruxtecan·Abraxane

Merck Sharp & Dohme LLC

Phase 1/2

450

Seongnam-si, Seoul

2019-12-19

Recruiting

KEYMAKER-U01 Umbrella Master Study: Studies of Investigational Agents With Either Pembrolizumab (MK-3475) Alone or With Pembrolizumab PLUS Chemotherapy in Participants With Non-small Cell Lung Cancer (NSCLC) (MK-3475-U01/KEYMAKER-U01)

NCT04165798Carcinoma, Non-Small-Cell Lung

Merck Sharp & Dohme LLC

Observational

1,065

Seongnam-si, Seoul

2019-12-19

Active, closed

Perioperative Pembrolizumab (MK-3475) Plus Cystectomy or Perioperative Pembrolizumab Plus Enfortumab Vedotin Plus Cystectomy Versus Cystectomy Alone in Participants Who Are Cisplatin-ineligible or Decline Cisplatin With Muscle-invasive Bladder Cancer (MK-3475-905/KEYNOTE-905/EV-303)

NCT03924895Urinary Bladder Cancer, Muscle-invasive

DrugsEnfortumab Vedotin·Keytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

595

Goyang-si, Seongnam-si, Songpagu, Deagu, Seoul

2019-07-24

Active, closed

Study of Pembrolizumab (MK-3475) Versus Placebo in Combination With Neoadjuvant Chemotherapy & Adjuvant Endocrine Therapy in the Treatment of Early-Stage Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast Cancer (MK-3475-756/KEYNOTE-756)

NCT03725059Breast Cancer

DrugsEpirubicin·Adriamycin·Cytoxan·Taxol

Merck Sharp & Dohme LLC

Phase 3

1,240

Goyang-si, Seoul

2018-12-27

Active, closed

Efficacy and Safety of Pembrolizumab (MK-3475) in Combination With Bacillus Calmette-Guerin (BCG) in High-Risk Non-Muscle Invasive Bladder Cancer (HR NMIBC) (MK-3475-676/KEYNOTE-676)

NCT03711032High-risk Non-muscle Invasive Bladder Cancer

DrugsKeytruda·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

1,397

Songpagu, Seoul

2018-12-24

Active, closed

Study of Pembrolizumab Given Prior to Surgery and in Combination With Radiotherapy Given Post-surgery for Advanced Head and Neck Squamous Cell Carcinoma (MK-3475-689)

NCT03765918Head and Neck Neoplasms

DrugsKeytruda·Cisplatin·Pembrolizumab

Merck Sharp & Dohme LLC

Phase 3

714

Hwasun Gun, Goyang-si, Seongnam-si, Suwon, Seoul

2018-12-17

Active, closed

Efficacy and Safety of Olaparib (MK-7339) in Participants With Previously Treated, Homologous Recombination Repair Mutation (HRRm) or Homologous Recombination Deficiency (HRD) Positive Advanced Cancer (MK-7339-002 / LYNK-002)

NCT03742895Advanced Solid Neoplasms

DrugOlaparib

Merck Sharp & Dohme LLC

Phase 2

329

Seongnam-si, Seoul

2018-12-12

Active, closed

Efficacy and Safety of Pembrolizumab (MK-3475) With Platinum Doublet Chemotherapy as Neoadjuvant/Adjuvant Therapy for Participants With Resectable Stage II, IIIA, and Resectable IIIB (T3-4N2) Non-small Cell Lung Cancer (MK-3475-671/KEYNOTE-671)

NCT03425643Non-small Cell Lung Cancer

DrugsPemetrexed·Keytruda·Gemcitabine·Cisplatin

Merck Sharp & Dohme LLC

Phase 3

797

Gyeonggi-do, Seoul

2018-04-24

Active, closed

Safety and Efficacy of Pembrolizumab (MK-3475) in Children and Young Adults With Classical Hodgkin Lymphoma (MK-3475-667/KEYNOTE-667)

NCT03407144Hodgkin Lymphoma

DrugsPrednisone/Prednisolone·Vinblastine·Bleomycin·Dacarbazine

Merck Sharp & Dohme LLC

Phase 2

340

Seoul

2018-04-09

Recruiting

A Study of Pembrolizumab (MK-3475) in Pediatric Participants With an Advanced Solid Tumor or Lymphoma (MK-3475-051/KEYNOTE-051)

NCT02332668Melanoma, Lymphoma, Solid Tumor, Classical Hodgkin Lymphoma

DrugPembrolizumab

Merck Sharp & Dohme LLC

Phase 1/2

370

Seoul

2015-03-19

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

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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 111 of those studies with a site in Seoul that also match the filters currently applied.

How many clinical trials are recruiting in Seoul?

64 of the 111 studies on this page are recruiting new participants as of the 11 Oct 2026, 03:17 UTC sync. A further 0 have not yet opened recruitment, 47 are active but closed to new participants, and 0 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Seoul), 111 studies
Phase	Studies	Recruiting	Share
Phase 3	57	27	51.4%
Phase 1/2	27	22	24.3%
Phase 2	21	9	18.9%
Phase 2/3	3	3	2.7%
Phase 1	2	2	1.8%
Observational	1	1	0.9%

Most active sponsors

Lead sponsors with the most studies (Seoul)
Lead sponsor	Studies	Recruiting
Merck Sharp & Dohme LLC	111	64

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.