Skip to content

A Phase 3, Multi-center, Randomized, Open-Label Clinical Study of Tislelizumab Administered as Subcutaneous Injection Versus Intravenous Infusion Plus Chemotherapy as First-Line Treatment in Patients With Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-522862-58-00
Acronym
BGB-A317-316
Enrollment
63
Registered
2025-11-10
Start date
2025-12-29
Completion date
Unknown
Last updated
2025-11-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Locally advanced unresectable or metastatic gastric or gastroesophageal junction adenocarcinoma

Brief summary

Model-predicted trough serum concentration (Ctrough) at steady-state (predose C5D1) and model-predicted AUC0-21d of Cycle 1

Detailed description

Overall response rate (ORR), progression-free survival (PFS), duration of response (DOR), and disease control rate (DCR) each assessed by investigator per RECIST v1.1, and overall survival (OS), Adverse events (AE) and serious adverse events (SAE) as characterized by type, frequency, severity (NCI-CTCAE v5.0), timing, seriousness, and relationship to study treatment, Model-predicted and observed Cycle 1 Ctrough, observed Cycle 1 AUC, and model-predicted AUC at steady-state (AUCss), Percentage of patients with antidrug antibodies (ADAs) to tislelizumab after subcutaneous (SC) or intravenous (IV) administration

Interventions

DRUGTislelizumab 300 mg solution for injection

Sponsors

BeOne Medicines AG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Model-predicted trough serum concentration (Ctrough) at steady-state (predose C5D1) and model-predicted AUC0-21d of Cycle 1

Secondary

MeasureTime frame
Overall response rate (ORR), progression-free survival (PFS), duration of response (DOR), and disease control rate (DCR) each assessed by investigator per RECIST v1.1, and overall survival (OS), Adverse events (AE) and serious adverse events (SAE) as characterized by type, frequency, severity (NCI-CTCAE v5.0), timing, seriousness, and relationship to study treatment, Model-predicted and observed Cycle 1 Ctrough, observed Cycle 1 AUC, and model-predicted AUC at steady-state (AUCss), Percentage of patients with antidrug antibodies (ADAs) to tislelizumab after subcutaneous (SC) or intravenous (IV) administration

Countries

Austria, Czechia, France, Italy, Poland, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026