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ClinicalTrials.gov 24 recruiting now official registry

Gastroesophageal Junction Adenocarcinoma clinical trials

Every US clinical trial registered for Gastroesophageal Junction Adenocarcinoma — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

41 US clinical trials · 24 currently recruiting

The research picture

Gastroesophageal Junction Adenocarcinoma has 41 registered US clinical trials, 24 of them open to new participants right now — about 59% of the total.

24
recruiting participants now
59%
of trials open to enrollment
5
in Phase 3–4 (later-stage)
3
top sponsor: Seagen, a wholly owned subsidiary of Pfizer

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

RECRUITING Phase 3 2,130 participants

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

AstraZeneca

NCT07431281

RECRUITING 2,000 participants

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

Alliance for Clinical Trials in Oncology

NCT05334069

RECRUITING 1,650 participants

A Multicenter Cancer Biospecimen Collection Study

Cofactor Genomics

NCT04510129

RECRUITING Phase 1 1,006 participants

A Study of Sigvotatug Vedotin in Advanced Solid Tumors

Seagen, a wholly owned subsidiary of Pfizer

NCT04389632

RECRUITING Phase 1 914 participants

A Study of SGN-CEACAM5C in Adults With Advanced Solid Tumors

Seagen, a wholly owned subsidiary of Pfizer

NCT06131840

RECRUITING Phase 3 840 participants

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

AstraZeneca

NCT06764875

RECRUITING Phase 1 768 participants

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

Boehringer Ingelheim

NCT06324357

RECRUITING Phase 2 497 participants

APL-101 Study of Subjects With NSCLC With c-Met EXON 14 Skip Mutations and c-Met Dysregulation Advanced Solid Tumors

Apollomics

NCT03175224

RECRUITING Phase 3 351 participants

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

BeOne Medicines

NCT07043400

RECRUITING Phase 1 310 participants

A Study to Learn About the Study Medicine Called PF-08046876 in People With Advanced Solid Tumors

Pfizer

NCT07090499

RECRUITING Phase 2 180 participants

A Study to Evaluate the Adverse Events, Efficacy, and Optimal Dose of Intravenous (IV) ABBV-400 in Combination With IV Fluorouracil, Leucovorin, and Budigalimab in Adult Participants With Locally Advanced Unresectable or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma

AbbVie

NCT06628310

RECRUITING Phase 2 172 participants

A Study of Disitamab Vedotin With Other Anticancer Drugs in Solid Tumors

Seagen, a wholly owned subsidiary of Pfizer

NCT06157892

RECRUITING Phase 2 148 participants

Testing the Addition of Paclitaxel Administered Into the Abdominal Cavity Combined With Chemotherapy for Patients With Gastric Cancer Spread to the Abdominal Cavity

ECOG-ACRIN Cancer Research Group

NCT07001748

RECRUITING Phase 2 146 participants

A Study of TRK-950 When Used in Combination With Ramucirumab and Paclitaxel in Patients With Gastric Cancer

Toray Industries

NCT06038578

RECRUITING Phase 1 134 participants

Safety and Efficacy of NEO212 in Patients With Astrocytoma IDH-mutant, Glioblastoma IDH-wildtype or Brain Metastasis

Neonc Technologies

NCT06047379

RECRUITING Phase 1 101 participants

A Study of KK2269 in Adult Participants With Solid Tumors

Kyowa Kirin Co.

NCT06266299

RECRUITING Phase 2 78 participants

Evaluating the Effect of Itraconazole on Pathologic Complete Response Rates in Esophageal Cancer

Dallas VA Medical Center

NCT04018872

RECRUITING Phase 1 54 participants

Safety of Combining Irinotecan With 5-FU, Leucovorin/Folinic Acid, Oxaliplatin, and Docetaxel Chemotherapies

University of Chicago

NCT04361708

RECRUITING Phase 2 40 participants

Robotic Cytoreduction and Hyperthermic Intraperitoneal Chemotherapy for Treatment of Gastric Cancer With Limited Peritoneal Metastasis, ROBO-CHIP Study

Mayo Clinic

NCT05753306

RECRUITING Phase 2 40 participants

Folfox+Irinotecan+Chemort In Esophageal Cancer

Massachusetts General Hospital

NCT04656041

RECRUITING Phase 2 27 participants

Study of Suratadenoturev (OBP-301) in Combination With Pembrolizumab in Esophagogastric Adenocarcinoma

Weill Medical College of Cornell University

NCT06340711

RECRUITING Phase 1 24 participants

NBTXR3, Chemotherapy, and Radiation Therapy for the Treatment of Esophageal Cancer

M.D. Anderson Cancer Center

NCT04615013

RECRUITING Phase 1 15 participants

Aldesleukin With Nivolumab and Standard Chemotherapy for Treatment of Gastric Cancer With Peritoneal Metastasis

Mayo Clinic

NCT05802056

RECRUITING Phase 2 10 participants

Tadalafil Effect + Chemotherapy in Resectable Gastric/GEJ Cancer

University of Arizona

NCT05709574

ACTIVE NOT RECRUITING Phase 1 1,410 participants

Phase I-II, FIH, TROP2 ADC, Advanced Unresectable/Metastatic Solid Tumors, Refractory to Standard Therapies (KL264-01)

Klus Pharma

NCT04152499

ACTIVE NOT RECRUITING Phase 1 914 participants

Study of Cabozantinib Alone or in Combination With Atezolizumab to Subjects With Locally Advanced or Metastatic Solid Tumors

Exelixis

NCT03170960

ACTIVE NOT RECRUITING Phase 3 547 participants

Bemarituzumab or Placebo Plus Chemotherapy in Gastric Cancers With Fibroblast Growth Factor Receptor 2b (FGFR2b) Overexpression

Amgen

NCT05052801

ACTIVE NOT RECRUITING Phase 3 515 participants

Bemarituzumab Plus Chemotherapy and Nivolumab Versus Chemotherapy and Nivolumab for FGFR2b Overexpressed Untreated Advanced Gastric and Gastroesophageal Junction Cancer.

Amgen

NCT05111626

ACTIVE NOT RECRUITING Phase 2 240 participants

Testing Immunotherapy (Atezolizumab) With or Without Chemotherapy in Locoregional MSI-H/dMMR Gastric and Gastroesophageal Junction (GEJ) Cancer

National Cancer Institute (NCI)

NCT05836584

ACTIVE NOT RECRUITING Phase 1 163 participants

First in Human Study of TORL-2-307-ADC in Participants With Advanced Cancer

TORL Biotherapeutics

NCT05156866

ACTIVE NOT RECRUITING Phase 2 127 participants

A Study of Evorpacept (ALX148) in Patients With Advanced HER2+ Gastric Cancer (ASPEN-06)

ALX Oncology

NCT05002127

ACTIVE NOT RECRUITING Phase 1 70 participants

First in Human Study of TORL-2-307-MAB in Participants With Advanced Cancer

TORL Biotherapeutics

NCT05159440

ACTIVE NOT RECRUITING Phase 1 64 participants

Durvalumab, an Anti-PDLI Antibody, and Tremelimumab, an Anti-CTLA4 Antibody, and Chemoradiation Before Surgery for Esophageal Cancer

Memorial Sloan Kettering Cancer Center

NCT02962063

ACTIVE NOT RECRUITING NA 53 participants

Telehealth for the Self-Management of Dietary Quality of Life in Patients After Stomach Cancer Surgery

City of Hope Medical Center

NCT05203627

ACTIVE NOT RECRUITING Phase 2 40 participants

Study of Sequential Systemic Therapy + Intraperitoneal Paclitaxel in Gastric/GEJ Peritoneal Carcinomatosis

University of California, Irvine

NCT04762953

ACTIVE NOT RECRUITING 4 participants

A Study of Minimally Invasive Proximal Gastrectomy Versus Minimally Invasive Total Gastrectomy for Gastric and Gastroesophageal Junction Cancers

Memorial Sloan Kettering Cancer Center

NCT06243757

COMPLETED Phase 2 164 participants

A Phase 2 Study of Ramucirumab (LY3009806) in Participants With Gastric or Gastroesophageal Junction (GEJ) Cancer

Eli Lilly and Company

NCT02443883

COMPLETED Phase 2 111 participants

Study of Modified Docetaxel, Cisplatin, and Fluorouracil (mDCF) in Unresectable or Metastatic Gastric and Gastroesophageal Junction Adenocarcinoma

Memorial Sloan Kettering Cancer Center

NCT00515411

COMPLETED Phase 1 85 participants

A Study of Ramucirumab (LY3009806) Plus MEDI4736 in Participants With Advanced Gastrointestinal or Thoracic Malignancies

Eli Lilly and Company

NCT02572687

COMPLETED Phase 2 17 participants

Tucatinib, Trastuzumab, Ramucirumab, and Paclitaxel Versus Paclitaxel and Ramucirumab in Previously Treated HER2+ Gastroesophageal Cancer

Seagen

NCT04499924

COMPLETED Early Phase 1 9 participants

Pembrolizumab in Treating Patients With Metastatic or Unresectable Gastroesophageal Adenocarcinoma

M.D. Anderson Cancer Center

NCT03395847

Phase Distribution

PhaseTrial count
Phase 1 16
Phase 2 16
Phase 3 5

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Gastroesophageal Junction Adenocarcinoma Trial Landscape

ClinicalTrials.gov lists 41 US studies indexed under Gastroesophageal Junction Adenocarcinoma, and 24 of those are currently open to recruitment — roughly 59% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Gastroesophageal Junction Adenocarcinoma shows 5 late-stage studies (Phase 3 and Phase 4 combined) alongside 32 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Gastroesophageal Junction Adenocarcinoma is led by Seagen, a wholly owned subsidiary of Pfizer with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 41 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Gastroesophageal Junction Adenocarcinoma?

PlainTrial tracks 41 US clinical trials for Gastroesophageal Junction Adenocarcinoma, of which 24 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Gastroesophageal Junction Adenocarcinoma?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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