Gastroesophageal junction adenocarcinoma
Also known as adenocarcinoma - GEJ, adenocarcinoma of cardioesophageal junction, adenocarcinoma of gastroesophageal junction, adenocarcinoma of the EG junction+6 more
adenocarcinoma - GEJ, adenocarcinoma of cardioesophageal junction, adenocarcinoma of gastroesophageal junction, adenocarcinoma of the EG junction, adenocarcinoma of the GE junction, adenocarcinoma of the cardioesophageal junction, adenocarcinoma of the esophagogastric junction, adenocarcinoma of the gastroesophageal junction, esophagogastric junction adenocarcinoma, esophagogastric adenocarcinoma.
Recent clinical, regulatory, research and industry developments relating to this disease.
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
- 6 clinical trials expected to report results, the earliest in Q3 2027.
- 2 industry developments reported.
- Q3 2027An Open, Randomized,Positive Control, Multicenter Phase III Clinical Study of SHR A1904 for Injection Compared With Investigator's Choice of Therapy in Claudin18.2 Positive Patients With Second-line Advanced or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma
- Q4 2027JS107 vs Investigator's Choice as Second-line or Later Therapy for Advanced CLDN18.2-Positive Gastricor GEJ Adenocarcinoma.
- Q2 2029A Randomized, Phase Ⅲ Study of Rilvegostomig in Combination With Fluoropyrimidine and Trastuzumab Deruxtecan Versus Trastuzumab, Chemotherapy, and Pembrolizumab for the First Line Treatment of HER2-positive Gastric Cancer (ARTEMIDE-Gastric01)
- Q4 2029A Randomized Controlled Phase III Clinical Study Comparing BL-M05D1 for Injection 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
- Q3 2030A Multi-national, Open-label, Randomized Phase II/III Clinical Study of Utidelone Capsule (UTD2) Combined With Fluoropyrimidine- and Platinum-containing Therapy in First-line Treatment of Patients With Locally Advanced or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma
Clinical MilestonesView all 9Hide
- 2026-07-08A Randomized Controlled Phase III Clinical Study Comparing BL-M05D1 for Injection 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 TreatmentResults expected Q4 2029
- 2026-06-16A Randomized, Phase Ⅲ Study of Rilvegostomig in Combination With Fluoropyrimidine and Trastuzumab Deruxtecan Versus Trastuzumab, Chemotherapy, and Pembrolizumab for the First Line Treatment of HER2-positive Gastric Cancer (ARTEMIDE-Gastric01)Results expected Q2 2029
- 2026-05-15An Open, Randomized,Positive Control, Multicenter Phase III Clinical Study of SHR A1904 for Injection Compared With Investigator's Choice of Therapy in Claudin18.2 Positive Patients With Second-line Advanced or Metastatic Gastric or Gastroesophageal Junction AdenocarcinomaResults expected Q3 2027
- 2026-02-11A Phase III, Randomized, Multicenter, Open-label Study to Evaluate SHR-A1811 in Combination With Chemotherapy and Adebrelimab Versus Trastuzumab in Combination With Chemotherapy and Pembrolizumab in Patients With Previously Untreated, Unresectable, Locally Advanced or Metastatic, Gastric or Gastroesophageal Junction Adenocarcinoma ExpressingResults expected Q4 2030
- 2026-01-22JS107 vs Investigator's Choice as Second-line or Later Therapy for Advanced CLDN18.2-Positive Gastricor GEJ Adenocarcinoma.Results expected Q4 2027
Industry & MarketViewHide
- 2026-09-24First-Line Retlirafusp Alfa Plus Chemotherapy for Human Epidermal Growth Factor Receptor 2–Negative Gastric or Gastroesophageal Junction Adenocarcinoma: A Randomized, Double-Blind, Phase III Study (RELIGHT)Trial news · Journal of Clinical Oncology
- 2026-06-26First-Line Disitamab Vedotin, Tislelizumab, and S-1 in HER2-Overexpressing Advanced Gastric or Gastroesophageal Junction Adenocarcinoma: A Single-Arm, Phase II TrialTrial news · Journal of Clinical Oncology
- 2026-09-24IndustryFirst-Line Retlirafusp Alfa Plus Chemotherapy for Human Epidermal Growth Factor Receptor 2–Negative Gastric or Gastroesophageal Junction Adenocarcinoma: A Randomized, Double-Blind, Phase III Study (RELIGHT)Trial news · Journal of Clinical Oncology
- 2026-07-08ClinicalA Randomized Controlled Phase III Clinical Study Comparing BL-M05D1 for Injection 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 TreatmentResults expected Q4 2029
- 2026-06-30ClinicalRACE-trial: Neoadjuvant Radiochemotherapy Versus Chemotherapy for Patients With Locally Advanced, Potentially Resectable Adenocarcinoma of the Gastroesophageal Junction (GEJ) A Randomized Phase III Joint Study of the AIO, ARO and DGAVCompleted
- 2026-06-26IndustryFirst-Line Disitamab Vedotin, Tislelizumab, and S-1 in HER2-Overexpressing Advanced Gastric or Gastroesophageal Junction Adenocarcinoma: A Single-Arm, Phase II TrialTrial news · Journal of Clinical Oncology
- 2026-06-16ClinicalA Randomized, Phase Ⅲ Study of Rilvegostomig in Combination With Fluoropyrimidine and Trastuzumab Deruxtecan Versus Trastuzumab, Chemotherapy, and Pembrolizumab for the First Line Treatment of HER2-positive Gastric Cancer (ARTEMIDE-Gastric01)Results expected Q2 2029
- 2026-05-15ClinicalAn Open, Randomized,Positive Control, Multicenter Phase III Clinical Study of SHR A1904 for Injection Compared With Investigator's Choice of Therapy in Claudin18.2 Positive Patients With Second-line Advanced or Metastatic Gastric or Gastroesophageal Junction AdenocarcinomaResults expected Q3 2027
- 2026-02-11ClinicalA Phase III, Randomized, Multicenter, Open-label Study to Evaluate SHR-A1811 in Combination With Chemotherapy and Adebrelimab Versus Trastuzumab in Combination With Chemotherapy and Pembrolizumab in Patients With Previously Untreated, Unresectable, Locally Advanced or Metastatic, Gastric or Gastroesophageal Junction Adenocarcinoma ExpressingResults expected Q4 2030
- 2026-01-22ClinicalJS107 vs Investigator's Choice as Second-line or Later Therapy for Advanced CLDN18.2-Positive Gastricor GEJ Adenocarcinoma.Results expected Q4 2027
- 2025-12-29ClinicalA Phase 1b/2, Open-label, Randomized, Multicenter Study Evaluating the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of AUR103 Calcium in Patients With HER2-positive Advanced Gastric/Gastroesophageal Junction Adenocarcinoma (BHARAT-2)Terminated
- 2025-12-11ClinicalA Phase III, Randomized, Double-blind Trial Comparing Trastuzumab Plus Chemotherapy and Pembrolizumab With Trastuzumab Plus Chemotherapy and Placebo as First-line Treatment in Participants With HER2 Positive Advanced Gastric or Gastroesophageal Junction Adenocarcinoma (KEYNOTE 811)Results posted
Therapeutic landscape
Therapies with a regulatory footing for this condition, alongside the wider set of agents co-studied with it in the literature.
Original application approval — Metastatic breast cancer (MBC) For the treatment of adult patients with HER2-positive MBC… (2024)
Original application approval — Non-small cell lung cancer (NSCLC) Tevimbra, in combination with platinum-containing chem… (2023)
Conditional marketing authorisation — Breast cancerHER2-positive breast cancerEnhertu as monotherapy is indicated for the treat… (2021)
Original application approval — Colorectal cancer Lonsurf is indicated in combination with bevacizumab for the treatment… (2016)
Generic approval — Breast cancer Docetaxel Kabi in combination with doxorubicin and cyclophosphamide is indi… (2012)
Clinical trials
The current development programme across all trial phases.
Regulatory timeline
Drug regulatory events matched to this condition by indication — EMA.
European Medicines Agency (CC BY 4.0). Events are matched to this condition by drug indication text — approvals/updates for drugs indicated for it, not disease-specific acts.
Associated genes
Genes associated with this disease in the canonical knowledge graph (Open Targets evidence). Number shows the association score.
Disease biology
Proteins whose encoding gene is associated with this disease, reached through the canonical gene→disease graph. Number shows the gene's association score.
Reference
Authoritative identity, definition & identifiers.
adenocarcinoma - GEJ, adenocarcinoma of cardioesophageal junction, adenocarcinoma of gastroesophageal junction, adenocarcinoma of the EG junction, adenocarcinoma of the GE junction, adenocarcinoma of the cardioesophageal junction, adenocarcinoma of the esophagogastric junction, adenocarcinoma of the gastroesophageal junction, esophagogastric junction adenocarcinoma, esophagogastric adenocarcinoma
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Related entities are derived from literature co-mention (studied together) — associative, not causal.