A Study of AK104 (SC) in Combination With Oxaliplatin and Capecitabine (XELOX) Versus AK104 (IV) in Combination With XELOX in Participants With Unresectable Locally Advanced or Metastatic Gastric Adenocarcinoma or Gastroesophageal Junction Adenocarcinoma
A Randomized, Open-Label, Multicenter, Phase I/III Clinical Study to Evaluate the Pharmacokinetics, Efficacy and Safety of AK104 (SC) in Combination With Oxaliplatin and Capecitabine (XELOX) Regimen Versus AK104 (IV) in Combination With XELOX Regimen as First-Line Treatment for Unresectable Locally Advanced or Metastatic Gastric Adenocarcinoma or Gastroesophageal Junction Adenocarcinoma
1 other identifier
interventional
422
0 countries
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Brief Summary
A Study of AK104 (SC) in Combination With Oxaliplatin and Capecitabine (XELOX) Versus AK104 (IV) in Combination With XELOX in Participants With Unresectable Locally Advanced or Metastatic Gastric Adenocarcinoma or Gastroesophageal Junction Adenocarcinoma
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Mar 2026
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 27, 2026
CompletedFirst Posted
Study publicly available on registry
March 4, 2026
CompletedStudy Start
First participant enrolled
March 31, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 17, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
February 15, 2028
March 4, 2026
February 1, 2026
1.6 years
February 27, 2026
February 27, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Measured serum trough concentration (Ctrough) of AK104 after the first administration (i.e., prior to dosing in Cycle 2).
Measured serum trough concentration (Ctrough) of AK104 after the first administration (i.e., prior to dosing in Cycle 2).
up to 4 weeks
Measured area under the concentration-time curve from 0 to 21 days of AK104 after the first administration.
Measured area under the concentration-time curve from 0 to 21 days of AK104 after the first administration.
up to 4 weeks
Secondary Outcomes (7)
Objective Response Rate (ORR) per RECIST 1.1
up to 24 months
Disease Control Rate (DCR) per RECIST 1.1
Up to 24 months
Progression-free survival (PFS) assessed by investigator per RECIST v1.1
Up to 24 months
Duration of Response (DOR) assessed by investigator per RECIST v1.1
Up to 24 months
Time to Response (TTR) assessed by investigator per RECIST v1.1
Up to 24 months
- +2 more secondary outcomes
Study Arms (2)
AK104(SC)+XELOX
EXPERIMENTALAK104 SC plus XELOX
AK104(IV)+XELOX
ACTIVE COMPARATORAK104 IV plus XELOX
Interventions
Eligibility Criteria
You may qualify if:
- Histologically confirmed adenocarcinoma of the stomach or gastroesophageal junction (GEJ).
- Unresectable locally advanced or metastatic adenocarcinoma of the stomach or gastroesophageal junction (GEJ).
- Participants have not received prior systemic therapy for locally advanced or metastatic gastric or gastroesophageal junction adenocarcinoma.
- Adequate organ and bone marrow function.
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 at enrollment.
- Measurable disease by RECIST 1.1.
You may not qualify if:
- Receipt of systemic non-specific immunomodulatory therapy (e.g., interleukins, interferons, thymic peptides, etc.) within 2 weeks prior to the first dose.Receipt of Chinese herbal medicines or Chinese patent medicines with anti-tumor indications within 2 weeks prior to the first dose.
- Deep venous thrombosis within 3 months before first treatment.
- Uncontrolled arterial hypertension.
- Bleeding events within the last 1 months.
- Prior treatment with immune checkpoint inhibitors.
- Known history of allogeneic organ transplantation and allogeneic hematopoietic stem cell transplantation.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Akesolead
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Yanqiao Zhang
The Second Affiliated Hospital of Harbin Medical University
- PRINCIPAL INVESTIGATOR
Tao Zhang
UNIVERSITY OF SCIENCE AND TECHNOLOGY UNION HOSPITAL TONG JI MEDICAL COLLEGE HUA ZHONG
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 27, 2026
First Posted
March 4, 2026
Study Start
March 31, 2026
Primary Completion (Estimated)
November 17, 2027
Study Completion (Estimated)
February 15, 2028
Last Updated
March 4, 2026
Record last verified: 2026-02