Phase 3
N=512
A Study of Tislelizumab (BGB-A317) Versus Chemotherapy as Second Line Treatment in Participants With Advanced Esophageal Squamous Cell Carcinoma
Esophageal Squamous Cell Carcinoma (ESCC)
Bottom Line
View on ClinicalTrials.gov: NCT03430843 ↗Enrolled (actual)
512
Serious AEs
43.4%
Results posted
Dec 2023
Primary outcome: Primary: Overall Survival (OS) in the Intent-to-Treat (ITT) Analysis Set — 8.6; 6.3 Months — p=0.0001
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 3
- Interventions
- Tislelizumab (Drug); Paclitaxel (Drug); Docetaxel (Drug); Irinotecan (Drug)
- Age
- Adult, Older Adult · 18+ yrs
- Sex
- All
- Sponsor
- BeiGene
- Primary completion
- Dec 2020
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Overall Survival (OS) in the Intent-to-Treat (ITT) Analysis Set |
8.6; 6.3 | 0.0001 sig |
| SECONDARY Overall Survival (OS) in the PDL-1 Positive Analysis Set |
10.2; 5.1 | — |
| SECONDARY Objective Response Rate (ORR) in the ITT Analysis Set |
20.3; 9.8 | — |
| SECONDARY Overall Response Rate (ORR) in the PD-L1 Positive Analysis Sets |
26.3; 11.3 | — |
| SECONDARY Progression-free Survival (PFS) in the ITT Analysis Set |
1.6; 2.1 | — |
| SECONDARY Progression-free Survival (PFS) in the PDL-1 Positive Analysis Set |
2.7; 2.3 | — |
| SECONDARY Duration of Response (DOR) in the ITT Analysis Set |
7.1; 4.0 | — |
| SECONDARY Duration of Response (DOR) in the PDL-1 Positive Analysis Set. |
7.1; 5.7 | — |
| SECONDARY Health-Related Quality of Life (HRQoL) as Assessed by European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C-30) in the ITT Analysis Set |
16.2; 18.3; 0.2; 4.8 | — |
| SECONDARY HRQoL as Assessed by EORTC QLQ-C30 in the PDL-1 Positive Analysis Set |
16.8; 18.8; 0.5; 0.5 | — |
| SECONDARY HRQoL as Assessed by EORTC QLQ-Oesophagus Cancer Module (EORTC QLQ-OES18) Reported in ITT Analysis Set |
14.7; 16.3; -0.6; 3.0 | — |
| SECONDARY HRQoL as Assessed by EORTC QLQ-OES18) in the PDL-1 Positive Analysis Set. |
16.5; 18.1; -0.9; -2.9 | — |
| SECONDARY HRQoL as Assessed by European Quality of Life 5-Dimensions 5-Level Questionnaire (EQ-5D-5L) in the ITT Analysis Set |
73.7; 72.5; -0.6; -5.9 | — |
| SECONDARY HRQoL as Assessed by EQ-5D-5L in the PD-L1 Positive Analysis Set |
74.1; 70.5; -0.5; 4.4 | — |
| SECONDARY Number of Participants Experiencing Adverse Events (AEs) |
245; 236; 109; 106 | — |
Summary
The purpose of this study was to evaluate the efficacy and safety of tislelizumab as second line treatment in participants with advanced unresectable/metastatic ESCC that had progressed during or after first line therapy.
Eligibility Criteria
Key Inclusion Criteria
- Histologically confirmed diagnosis of esophageal squamous cell carcinoma (ESCC)
- Tumor progression during or after first-line treatment for advanced unresectable / metastatic ESCC
- At least one measurable/evaluable lesion by Response Evaluation Criteria in Solid Tumors (RECIST) v1.1
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 prior to randomization
Key Exclusion Criteria
- Receipt of 2 or more prior systemic treatments for advanced/metastatic unresectable ESCC
- History of gastrointestinal perforation and /or fistula or aorto-esophageal fistula within 6 months prior to randomization
- Tumor invasion into organs located adjacent to the esophageal disease site (eg, aorta or respiratory tract) at an increased risk of fistula in the study treatment assessed by investigator
- Uncontrollable pleural effusion, pericardial effusion, or ascites requiring frequent drainage
- Received prior therapies targeting programmed death 1 (PD-1) or programmed death ligand 1 (PD-L1)
- Prior malignancy active within the previous 2 years (exceptions include the tumor under investigation in this trial, and locally recurring cancers that have undergone curative treatment, such as resected basal or squamous cell skin cancer, superficial bladder cancer or carcinoma in situ of the prostate, cervix or breast)
- Active brain or leptomeningeal metastasis.
- Has active autoimmune disease or history of autoimmune diseases at high risk for relapse
- Known history of, or any evidence of interstitial lung disease, non-infectious pneumonitis, pulmonary fibrosis diagnosed based on imaging or clinical findings, or uncontrolled systemic diseases, including diabetes, hypertension, acute lung diseases, etc
- Known history of Human Immunodeficiency Virus (HIV)
- Has cardiovascular risk factors
- Pregnant or breastfeeding woman.
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.
Data sourced from ClinicalTrials.gov (NCT03430843). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.