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Clinical trial register · South Korea

Gastric Cancer Trials in South Korea, 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 3364 matching records held by the registry are in this view. Synced 26 Sep 2026, 19:49 UTC
3364
Studies in scope
all four open statuses
1829
Recruiting now
open to new participants
503
Lead sponsors
across recruiting studies
Top sites
Seoul 34 Seongnam-si 10 Daegu 9 Busan 7 Seongnam 5
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
AstraZeneca7 Gangnam Severance Hospital5 Yonsei University4 National Cancer Center, Korea3 TORL Biotherapeutics, LLC2
Site location
Seoul34 Seongnam-si10 Daegu9 Busan7 Seongnam5
All 29 locations
Target enrolment
to

Gastric Cancer trials in South Korea

43 of 3364 studies
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Status
Study
Lead sponsor
Phase
Enrol
Sites in South Korea
Start
Not yet open
RCT Comparing Reduced-port Robotic and Conventional Laparoscopic Subtotal Gastrectomy
NCT07467174Gastric Cancer
Yonsei University
Phase 4
538
Seoul
2026-04
Not yet open
Comparison of the Postoperative Analgesic Effects of the Temperature-responsive Gel Mixed With Local Anesthetics Application and Ultrasound-guided Transversus Abdominis Plane Block in Patients Undergoing Laparoscopic Gastrectomy
NCT07452471Gastric Cancer, Postoperative Pain
Gyeong-Jo Byeon, MD, PhD
Not applicable
80
Yangsan
2026-02-12
Recruiting
Sonesitatug Vedotin in Combination With Capecitabine With or Without Rilvegostomig in Participants With Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma Expressing Claudin18.2
NCT07431281Gastric Cancer, Gastroesophageal Junction Adenocarcinoma, Esophageal Cancer
DrugsSonesitatug Vedotin·Zolbetuximab·Rilvegostomig·Leucovorin
AstraZeneca
Phase 3
2,130
Daegu, Hwasun-gun, Seongnam-si, Seoul
2026-02-03
Recruiting
Lenvatinib in Combination With Nivolumab Plus Chemotherapy in Metastatic Gastric Cancer Patients With Malignant Ascites
NCT07149090STOMACH NEOPLASM, Gastric Cancer, Gastric Cancer Adenocarcinoma Metastatic
DrugLenvatinib
Asan Medical Center
Phase 1/2
61
Seoul
2025-11-11
Recruiting
Study of TDXd, Chemotherapy, Pembrolizumab, and Trastuzumab in First-Line Metastatic HER2-Positive Gastric or Gastroesophageal Junction Cancer
NCT06731478Gastric Cancer, Gastroesophageal Junction Cancer
DrugsTrastuzumab deruxtecan·Trastuzumab·Pembrolizumab
Daiichi Sankyo
Phase 3
726
Cheongju-si, Daegu, Goyang-si, Hwasun-gun, Incheon, Jeonju, Seongnam, Seongnam-si
2025-02-27
Recruiting
Comparison of Full Robotic Instrumentation and Assistant-Controlled Laparoscopic Instrumentation in Robotic Distal Gastrectomy
NCT06841484Gastric Cancer
Gangnam Severance Hospital
Not applicable
36
Seoul
2025-02-01
Recruiting
Comparison of Ropivacaine-Poloxamer 407 Hydrogel and TAP Block for Postoperative Pain Management in Laparoscopic/Robotic Gastrectomy
NCT06839716Gastric Cancer
Gangnam Severance Hospital
Not applicable
134
Seoul
2025-02-01
Recruiting
Ropivacaine-Poloxamer 407 Gel for Pain Control After Open Gastrectomy
NCT06778954Gastric Cancer
Gangnam Severance Hospital
Not applicable
48
Seoul
2025-01-30
Active, closed
Study of Anti-CEACAM5 ADC M9140 in Participants With Advanced Solid Tumors (PROCEADE PanTumor)
NCT06710132Solid Tumors, Gastric Cancer, Non-Small Cell Lung Cancer (NSCLC), Pancreatic Cancer
DrugM9140
EMD Serono Research & Development Institute, Inc.
Phase 1/2
184
Hwasun-gun, Busan, Daegu, Seongnam, Seoul
2025-01-29
Recruiting
A Phase 2 Study of Zanidatamab in Patients With HER2-expressing Tumors
NCT06695845Breast Cancer, Gastric Cancer, Esophageal Cancer, Gastroesophageal Cancer
DrugZanidatamab
Jazz Pharmaceuticals
Phase 2
200
Suwon, Hwasun-Eup, Gangnam-gu, Guro-gu, Jongno-gu, Seodaemun-gu, Seoul
2025-01-14
Recruiting
Efficacy of RUS GA Surgical Navigation for Robot-assisted Distal Gastrectomy in Gastric Cancer Patients
NCT06639490Gastric Cancer
Yonsei University
Not applicable
330
Seoul
2024-12-03
Recruiting
A Phase Ⅲ Clinical Study of HLX22 in Combination With Trastuzumab and Chemotherapy for the Treatment of Gastroesophageal Junction and Gastric Cancer
NCT06532006Gastroesophageal-junction Cancer, Monoclonal Antibody, Gastric Cancer, HER2-positive Gastric Cancer
DrugsHLX22·Trastuzumab·Capecitabine·Oxaliplatin
Shanghai Henlius Biotech
Phase 3
550
Cheongju-si, Jinju, Seoul
2024-11-22
Recruiting
Comparison Partial Versus Total Omentectomy in Minimal Invasive Distal Gastrectomy for cT3/4a Gastric Cancer (KLASS-10)
NCT06608381Gastric Cancer
Gangnam Severance Hospital
Phase 3
440
Seoul
2024-06-26
Recruiting
Wecare Study in Gastric Cancer Survivors
NCT06395935Gastric Cancer
Gyeongsang National University Hospital
Not applicable
88
Changwon
2024-04-01
Active, closed
AZD0901 Compared With Investigator's Choice of Therapy in Participants With Second- or Later-line Advanced or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma Expressing Claudin18.2
NCT06346392Gastric Cancer, Gastroesophageal Junction Cancer
DrugsSonesitatug Vedotin·Ramucirumab·Trifluridine/Tipiracil·Apatinib
AstraZeneca
Phase 3
594
Gyeonggi-do, Seoul
2024-03-04
Recruiting
A Study of HER3-DXd in Subjects With Locally Advanced or Metastatic Solid Tumors
NCT06172478Advanced Solid Tumor, Melanoma, Head and Neck Cancer, Gastric Cancer
DrugPatritumab deruxtecan
Daiichi Sankyo
Phase 2
740
Daegu, Gyeonggi-do, Seongnam, Seoul
2024-02-26
Recruiting
T-Dxd in Combination With Ramucirumab as HER2 Low Gastric or Gastroesophageal Junction (GEJ) Adenocarcinoma
NCT05894824Gastric Cancer, Gastroesophageal Junction (GEJ) Cancer
DrugRamucirumab
Yonsei University
Phase 1/2
58
Seoul
2024-02-05
Active, closed
A Study to Investigate the Efficacy and Safety of ONO-4578 in Combination With Nivolumab and Chemotherapy in Chemotherapy-naïve Participants With HER2-negative Unresectable Advanced or Recurrent Gastric Cancer (Including Esophagogastric Junction Cancer)
NCT06256328Gastric Cancer
DrugsONO-4578·Tislelizumab·Nivolumab·Capecitabine
Ono Pharmaceutical Co., Ltd.
Phase 2
226
Busan, Anyang-si, Goyang-si, Seongnam-si, Suwon, Yangsan, Jeonju, Hwasun-gun
2024-01-10
Recruiting
Pilot Study for High Output Drainage Removal After Gastrectomy
NCT06690112Gastric Cancer
Gangnam Severance Hospital
Not applicable
60
Seoul
2024-01-01
Recruiting
AZD0901 in Participants With Advanced Solid Tumours Expressing Claudin18.2
NCT06219941Gastric Cancer, Gastroesophageal Junction Cancer, Biliary Tract Cancer, Pancreatic Ductal Adenocarcinoma
DrugsOnivyde·Nanoliposomal Irinotecan·Sonesitatug Vedotin·5-FU
AstraZeneca
Phase 2
226
Gyeonggi-do, Seoul
2023-12-13
Recruiting
A Study of TRK-950 When Used in Combination With Ramucirumab and Paclitaxel in Patients With Gastric Cancer
NCT06038578Gastric Adenocarcinoma, Gastric Cancer, Gastroesophageal Junction Adenocarcinoma
DrugsTRK-950·Ramucirumab·Paclitaxel
Toray Industries, Inc
Phase 2
146
Seongnam-si, Hwasun, Daegu, Seoul
2023-10-04
Recruiting
Study of AZD5863 in Adult Participants With Advanced or Metastatic Solid Tumors
NCT06005493Gastric Cancer, Gastro-esophageal Junction Cancer, Pancreatic Ductal Adenocarcinoma, Esophageal Adenocarcinoma
AstraZeneca
Phase 1/2
392
Seoul
2023-07-11
Recruiting
Novel Combinations in Participants With Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma
NCT05702229Gastric Cancer
DrugsSonesitatug Vedotin·Volrustomig·Xelox·Rilvegostomig
AstraZeneca
Phase 2
163
Seoul
2023-01-16
Active, closed
Oral Axl/Mer/CSF1R Selective Tyrosine Kinase Inhibitor Q702 in Combination With Pembrolizumab in Patients With Selected Advanced Solid Tumors
NCT05438420Esophageal Cancer, Gastric Cancer, Hepatocellular Cancer, Cervical Cancer
DrugsAdrixetinib·Pembrolizumab
Qurient Co., Ltd.
Phase 1/2
120
Seongnam-si, Seoul
2023-01-12
Recruiting
BAL0891 in Patients With Advanced Solid Tumors or Relapsed or Refractory Acute Myeloid Leukemia
NCT05768932Advanced Solid Tumor, TNBC - Triple-Negative Breast Cancer, Gastric Cancer, Leukemia Acute Myeloid Leukemia (AML)
SillaJen, Inc.
Phase 1
260
Seoul
2022-12-14
Recruiting
Study of Dato-DXd as Monotherapy and in Combination With Anti-cancer Agents in Patients With Advanced Solid Tumours (TROPION-PanTumor03)
NCT05489211Endometrial Cancer, Gastric Cancer, Metastatic Castration-resistant Prostate Cancer, Ovarian Cancer
DrugsPrednisone/Prednisolone·Volrustomig·Xeloda·Rilvegostomig
AstraZeneca
Phase 2
454
Seoul
2022-09-06
Active, closed
First in Human Study of TORL-2-307-ADC in Participants With Advanced Cancer
NCT05156866Advanced Solid Tumor, Gastric Cancer, Pancreas Cancer, Gastroesophageal Junction Adenocarcinoma
TORL Biotherapeutics, LLC
Phase 1
163
Seoul
2022-02-02
Active, closed
First in Human Study of TORL-2-307-MAB in Participants With Advanced Cancer
NCT05159440Advanced Solid Tumor, Gastric Cancer, Pancreas Cancer, Gastroesophageal Junction Adenocarcinoma
TORL Biotherapeutics, LLC
Phase 1
70
Seoul
2022-01-20
Active, closed
A Study of Evorpacept (ALX148) in Patients With Advanced HER2+ Gastric Cancer (ASPEN-06)
NCT05002127Gastric Cancer, Gastroesophageal Junction Adenocarcinoma, Gastric Adenocarcinoma
DrugsEvorpacept·Herceptin·Ramucirumab·Taxol
ALX Oncology Inc.
Phase 2/3
127
Busan, Daegu, Daejeon, Dongan, Goyang-si, Jeonju, Seongnam, Seoul
2022-01-15
Active, closed
Safety and Efficacy of Single or Reduced Ports Laparoscopic Gastrectomy for Advanced Gastric Cancer (SPACE-01)
NCT05076279Gastric Cancer, Gastric Adenocarcinoma
Seoul National University Bundang Hospital
Not applicable
108
Seongnam-si
2021-11-15
Active, closed
A Study to Evaluate the Efficacy and Safety of ONO-4538 in Combination With Ipilimumab and Chemotherapy in Chemotherapy-naïve Participants With HER2-negative Unresectable Advanced or Recurrent Gastric Cancer (Including Esophagogastric Junction Cancer)
NCT05144854Gastric Cancer
DrugsIpilimumab·Tislelizumab·Nivolumab·Capecitabine
Ono Pharmaceutical Co., Ltd.
Phase 3
626
Busan, Anyang-si, Goyang-si, Seongnam-si, Suwon, Daegu, Yangsan, Jeonju
2021-11-05
Recruiting
Optimal Duration of Oxaliplatin in Adjuvant XELOX for Gastric Cancer Patients (EXODOX)
NCT04787354Gastric Cancer
DrugsCapecitabine·Oxaliplatin
Hallym University Medical Center
Phase 3
976
Gyeonggi-do
2021-11-01
Active, closed
Study to Assess the Safety, Tolerability, and Efficacy of IDX-1197 in Combination With XELOX or Irinotecan in Patients With Advanced Gastric Cancer
NCT04725994Gastric Cancer
DrugsXelox·Irinotecan
Idience Co., Ltd.
Phase 1/2
87
Jeonju, Busan, Seongnam, Seoul
2021-06-28
Active, closed
Phase 1/2 Study Evaluating MCLA-129, a Human Anti-EGFR, Anti-c-MET Bispecific Antibody, in Advanced NSCLC and Other Solid Tumors, Alone and in Combination
NCT04868877Non-Small Cell Lung Cancer Metastatic, Gastric Cancer, Esophageal Squamous Cell Carcinoma, Head and Neck Squamous Cell Carcinoma
DrugsMCLA-129·Osimertinib
Merus B.V.
Phase 1/2
194
Incheon, Seoul, Suwon, Gyeonggi-do
2021-04-28
Recruiting
Surgical TreAtment for Obesity Related Disease and Onco-Metabolic Surgery
NCT04284943Gastric Cancer, Diabetes Mellitus, Type 2
Korea University Anam Hospital
Not applicable
120
Seoul
2020-12-01
Active, closed
Prospective Assessment of nProfiler® 1 on Prognosis and Chemotherapy Response for Gastric Cancer
NCT04487717Gastric Cancer
Novomics. Co., Ltd.
Observational
581
Seoul
2020-07-29
Active, closed
Ph1b/2 Study of the Safety and Efficacy of T-DXd Combinations in Advanced HER2-expressing Gastric Cancer (DESTINY-Gastric03)
NCT04379596Gastric Cancer
DrugsVolrustomig·Rilvegostomig·5-FU·Trastuzumab deruxtecan
AstraZeneca
Phase 2
452
Seongnam-si, Seoul
2020-06-03
Recruiting
Aspirin Use for Gastric Cancer Prevention in the Early Gastric Cancer Patients
NCT04214990Aspirin, Gastric Cancer
DrugAspirin
National Cancer Center, Korea
Phase 3
1,700
Busan, Chuncheon, Daegu, Goyang, Gwangju, Incheon, Seoul
2020-02-15
Active, closed
A Study of Zolbetuximab (IMAB362) in Adults With Gastric Cancer
NCT03505320Pharmacokinetics of Zolbetuximab, Gastric Cancer, Gastro-esophageal Junction (GEJ) Cancer, Pharmacokinetics of Oxaliplatin
DrugsZolbetuximab·Folinic acid·Leucovorin·Fluorouracil
Astellas Pharma Global Development, Inc.
Phase 2
143
Seongnam-si, Seoul
2018-06-29
Recruiting
Trial for Application of Laparoscopic Total Gastrectomy With Lymph Node Dissection for Gastric Cancer (KLASS-06)
NCT03385018Gastric Cancer
Yonsei University
Not applicable
772
Seoul
2018-04-05
Active, closed
Helicobacter Pylori Eradication for Gastric Cancer Prevention in the General Population
NCT02112214Gastric Cancer, Helicobacter Pylori Infection
National Cancer Center, Korea
Phase 3
5,224
Busan, Chuncheon, Daegu, Goyang, Gwangju, Incheon, Seoul, Uijeongbu-si
2014-06
Active, closed
Gastric Cancer Prevention in the Family Members by Helicobacter Pylori Eradication
NCT01678027Gastric Cancer, Helicobacter Pylori Infection, Family Members
National Cancer Center, Korea
Phase 3
1,838
Goyang-si
2004-11
Active, closed
Pepsinogen II and Helicobacter Pylori Test in Gastric Cancer
NCT06301464Gastric Cancer
Seoul National University Bundang Hospital
Observational
24,000
Seongnam-si
2003-03-01
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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 26 September 2026. https://priyalifescience.com/clinical-trials-south-korea/condition/gastric-cancer

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: 3,364 studies in total at the last sync on 26 Sep 2026, 19:49 UTC. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 43 of those studies listing the condition Gastric Cancer.

How many Gastric Cancer trials are recruiting in South Korea?

24 of the 43 studies on this page are recruiting new participants as of the 26 Sep 2026, 19:49 UTC sync. A further 2 have not yet opened recruitment, 17 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 (Gastric Cancer), 43 studies
PhaseStudiesRecruitingShare
Not applicable10823.3%
Phase 310623.3%
Phase 29620.9%
Phase 1/27316.3%
Phase 1317%
Observational204.7%
Phase 2/3102.3%
Phase 4102.3%

Most active sponsors

Lead sponsors with the most studies (Gastric Cancer)
Lead sponsorStudiesRecruiting
AstraZeneca75
Gangnam Severance Hospital55
Yonsei University43
National Cancer Center, Korea31
Daiichi Sankyo22
Ono Pharmaceutical Co., Ltd.20
Seoul National University Bundang Hospital20
TORL Biotherapeutics, LLC20
ALX Oncology Inc.10
Asan Medical Center11
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.