Gastroesophageal Junction Clinical Trials

152 recruitingLast updated: June 17, 2026

There are 152 actively recruiting gastroesophageal junction clinical trials across 43 countries. Studies span Phase 2, Phase 1, Phase 3, Not Applicable, Early Phase 1. Top locations include Houston, Texas, United States, New York, New York, United States, Shanghai, Shanghai Municipality, China. Updated daily from ClinicalTrials.gov.


Gastroesophageal Junction Trials at a Glance

152 actively recruiting trials for gastroesophageal junction are listed on ClinicalTrialsFinder across 6 cities in 43 countries. The largest study group is Phase 2 with 84 trials, with the heaviest enrollment activity in Houston, New York, and Shanghai. Lead sponsors running gastroesophageal junction studies include Mayo Clinic, Fudan University, and Akeso.

Browse gastroesophageal junction trials by phase

Treatments under study

About Gastroesophageal Junction Clinical Trials

Looking for clinical trials for Gastroesophageal Junction? There are currently 5 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Gastroesophageal Junction trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Gastroesophageal Junction clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 152 trials

Recruiting
Phase 3

A Phase Ⅲ Study of Rilvegostomig in Combination With Fluoropyrimidine and Trastuzumab Deruxtecan as the First-line Treatment for HER2-positive Gastric Cancer

Gastroesophageal Junction AdenocarcinomaHER2-positive Gastric Cancer
AstraZeneca840 enrolled293 locationsNCT06764875
Recruiting
Phase 2Phase 3

Adding Nivolumab to Usual Treatment for People With Advanced Stomach or Esophageal Cancer, PARAMUNE Trial

Clinical Stage III Gastric Cancer AJCC v8Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8Clinical Stage IV Gastric Cancer AJCC v8+13 more
National Cancer Institute (NCI)224 enrolled372 locationsNCT06203600
Recruiting
Phase 1Phase 2

A Study to Investigate Safety of AZD6750 in Adult Participants With Select Advanced or Metastatic Solid Tumors

Triple-Negative Breast CancerMelanomaNon-small Cell Lung Cancer+6 more
AstraZeneca60 enrolled13 locationsNCT07115043
Recruiting
Phase 2Phase 3

Symbiotic-GI-16: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Gastroesophageal Cancer

Gastroesophageal-junction CancerEsophageal AdenocarcinomaMetastatic Gastric Cancer+1 more
Pfizer840 enrolled71 locationsNCT07392892
Recruiting
Phase 1

First-in-Human Study of PLX-61639 in Locally Advanced or Metastatic Solid Tumors

Advanced Solid TumorMetastatic Solid TumorEsophageal Squamous Cell Carcinoma+7 more
Plexium, Inc.155 enrolled10 locationsNCT07284186
Recruiting
Phase 1

A Study of ASP2138 Given by Itself or Given With Other Cancer Treatments in Adults With Stomach Cancer, Gastroesophageal Junction Cancer, or Pancreatic Cancer

Gastric AdenocarcinomaPancreatic AdenocarcinomaGastroesophageal Junction (GEJ) Adenocarcinoma
Astellas Pharma Global Development, Inc.398 enrolled46 locationsNCT05365581
Recruiting
Phase 1

A Phase 1, First-in-human Study of OKN4395 and Pembrolizumab in Patients With Solid Tumors

SarcomaNon-small Cell Lung CancerNSCLC+12 more
Epkin146 enrolled10 locationsNCT06789172
Recruiting
Phase 2

Avapritinib for the Treatment of CKIT or PDGFRA Mutation-Positive Locally Advanced or Metastatic Malignant Solid Tumors

Anatomic Stage IV Breast Cancer AJCC v8Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8+26 more
M.D. Anderson Cancer Center50 enrolled1 locationNCT04771520
Recruiting
Phase 2

Comparison of In-Home Versus In-Clinic Administration of Subcutaneous Nivolumab Through Cancer CARE (Connected Access and Remote Expertise) Beyond Walls (CCBW) Program

Urothelial CarcinomaEsophageal CarcinomaHepatocellular Carcinoma+28 more
Mayo Clinic50 enrolled1 locationNCT06265285
Recruiting
Phase 3

A Study of Zolbetuximab Together With Pembrolizumab and Chemotherapy in Adults With Gastric Cancer

Locally Advanced Unresectable Gastroesophageal Junction (GEJ) Adenocarcinoma or CancerLocally Advanced Unresectable Gastric Adenocarcinoma or CancerMetastatic Gastric Adenocarcinoma or Cancer+1 more
Astellas Pharma Global Development, Inc.500 enrolled246 locationsNCT06901531
Recruiting
Phase 3

A Study Comparing BL-M05D1 With the Investigator's Choice of Treatment Regimen in Patients With Claudin (CLDN)18.2-Positive Advanced Gastric Cancer or Gastroesophageal Junction Adenocarcinoma (GC/GEJC) Who Have Received Prior First-Line Treatment

Gastric CancerGastroesophageal Junction Adenocarcinoma
Sichuan Baili Pharmaceutical Co., Ltd.438 enrolled1 locationNCT07518147
Recruiting
Phase 2Phase 3

A Study to Evaluate the Safety and Efficacy of Pumitamig in Combination With Chemotherapy Versus Nivolumab in Combination With Chemotherapy in Participants With Previously Untreated Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma (ROSETTA Gastric-204)

Untreated Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma
Bristol-Myers Squibb690 enrolled163 locationsNCT07221149
Recruiting
Phase 1Phase 2

A Study of BMS-986340 as Monotherapy and as Combination Therapy in Participants With Advanced Solid Tumors

Cervical CancerUrothelial CarcinomaMelanoma+8 more
Bristol-Myers Squibb1,109 enrolled47 locationsNCT04895709
Recruiting
Phase 2

IBI343 in Combination Therapy for Advanced Malignant Solid Tumors

Pancreatic Ductal AdenocarcinomaGastric/Gastroesophageal Junction AdenocarcinomaCLDN18.2 Positive
Innovent Biologics (Suzhou) Co. Ltd.389 enrolled1 locationNCT07483554
Recruiting

Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection

Head and Neck CarcinomaMalignant Solid NeoplasmSarcoma+59 more
Alliance for Clinical Trials in Oncology2,000 enrolled746 locationsNCT05334069
Recruiting
Phase 2

IBI343 in Combination With Sintilimab and SOX Regimen for Perioperative Treatment of Resectable, Locally Advanced Gastric or Gastroesophageal Junction Adenocarcinoma

Gastroesophageal Junction AdenocarcinomaCLDN18.2 PositivePrimary Gastric Adenocarcinoma
Innovent Biologics (Suzhou) Co. Ltd.90 enrolled1 locationNCT07483567
Recruiting
Phase 3

Using 18F-FAPI PET to Detect Metastatic Disease in Patients That Have Gastric or Esophageal Cancer.

Esophageal CancerGastric Cancer (GC)Gastroesophageal Junction
SOFIE200 enrolled14 locationsNCT07217704
Recruiting
Phase 3

A Study to Investigate Tislelizumab Administered as Subcutaneous Injection Versus Intravenous Infusion Plus Chemotherapy in Patients With Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma

Gastroesophageal Junction AdenocarcinomaMetastatic Gastric Adenocarcinoma
BeOne Medicines351 enrolled93 locationsNCT07043400
Recruiting
Phase 3

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

Esophageal CancerGastric CancerGastroesophageal Junction Adenocarcinoma
AstraZeneca2,130 enrolled269 locationsNCT07431281
Recruiting
Phase 1Phase 2

Beamion BCGC-1: A Study to Find a Suitable Dose of Zongertinib Used Alone and in Combination With Other Treatments to Test Whether it Helps People With Different Types of HER2+ Cancer That Has Spread

Metastatic Breast CancerColorectal, CancerEsophageal Adenocarcinoma+2 more
Boehringer Ingelheim768 enrolled108 locationsNCT06324357