Clinical trial · Interventional
IBI343 Combined With Sintilimab Plus Chemotherapy in Gastric Cancer
IBI343 Combined With Sintilimab Plus Chemotherapy in Previously Untreated, Claudin (CLDN) 18.2-positive, HER2-negative, Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma (Dragon15)
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This is a Single-arm, Open-label, Phase 1b/2 Study of IBI343 Combined with Sintilimab Plus Chemotherapy in Previously Untreated, Claudin (CLDN) 18.2-positive, HER2-negative, Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Gastric Cancer | Malignant Gastric Neoplasm | CURATED_BROADER | 0.80 |
Interventions
Interventions (4)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| IBI343 | Drug | — | UNRESOLVED |
| Oxaliplatin | Drug | Oxaliplatin | ALIAS |
| S-1 | Drug | — | UNRESOLVED |
| Sintilimab | Drug | Sintilimab | ALIAS |
Design
Arms and outcomes
Arms (1)
- type
- EXPERIMENTAL
- label
- Experimental arm
- description
- IBI343 Combined with Sintilimab Plus SOX
- interventionNames
- Drug: IBI343
- Drug: Sintilimab
- Drug: Oxaliplatin
- Drug: S-1
Primary outcomes (1)
- measure
- Objective response rate (ORR)
- timeFrame
- up to 2 years
- description
- ORR is defined as the proportion of subjects in the analysis population who achieve confirmed objective response (CR or PR) as assessed by the IRRC per RECIST v1.1 criteria.
Secondary outcomes (4)
- measure
- Overall survival (OS)
- timeFrame
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * 1\. Able and willing to sign a written Informed Consent Form (ICF) and to comply with protocol-specified visits and related procedures. 2\. Age was 18-75 years at the time of signing the ICF, and gender was unlimited. 3\. Has histopathologically confirmed unresectable locally advanced or metastatic adenocarcinoma of the gastric/gastroesophageal junction (G/GEJ AC). 4\. No received systemic therapy. 5. Has histopathologically confirmed CLDN18.2-positive disease. 6. Has an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1. Exclusion Criteria: * 1\. Has HER2-positive (defined as immunohistochemistry \[IHC\] 3+, or IHC 2+ and positive by in situ hybridization) disease. 2\. Is currently participating in another interventional clinical study, except when the subject is during survival follow-up of an interventional clinical study. 3\. Has a history of treatment with topoisomerase inhibitor-based antibody-drug conjugate(s).
References
Publications (0)
Data not yet available