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A Study to Evaluate the Safety, Tolerability, and Preliminary Efficacy of BRII-5395 in Combination With Sintilimab and Bevacizumab in Advanced Hepatitis B Virus Related Hepatocellular Carcinoma

An Open-Label, Dose Escalation Study to Evaluate the Safety, Tolerability, and Preliminary Efficacy of BRII-5395 in Combination With Sintilimab and Bevacizumab in Participants With Advanced Hepatitis B Virus Related Hepatocellular Carcinoma

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07557251
Enrollment
21
Registered
2026-04-29
Start date
2026-08-12
Completion date
2028-12-01
Last updated
2026-08-31

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

Conditions

Advanced HBV-Related Hepatocellular Carcinoma

Brief summary

This early phase (Phase 1) study will evaluate BRII 5395, administered in combination with two approved anticancer agents, sintilimab and bevacizumab, in patients with advanced liver cancer caused by chronic hepatitis B virus (HBV) infection. The primary objective of the study is to assess the safety and tolerability of the combination therapy, as well as to explore preliminary evidence of clinical benefit.

Interventions

DRUGBRII-5395

BRII-5395 will be given via IM injection

DRUGSintilimab

Sintilimab will be given via IV infusion

DRUGBevacizumab

Bevacizumab will be given via IV infusion

Sponsors

Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

1. Diagnosis of locally advanced or metastatic HCC that is deemed unsuitable for surgical resection or transplant. 2. BCLC stages Intermediate (B) or Advanced (C). 3. Failed at least first-line systemic therapy, including ICIs; and disease is not amenable to curative surgical and/or locoregional therapies. 4. Adequate bone marrow and organ function status. 5. Life expectancy \> 3 months. 6. HBsAg \> 0.05 IU/mL at screening.

Exclusion criteria

1. Any systemic anticancer therapy within specified period prior to the first dose of study treatment. 2. Any localized anticancer therapy within specified period prior to the first dose of study treatment. 3. History of anaphylactic hypersensitivity prior to the first dose of study treatment. 4. Known hypersensitivity to polyethylene glycol or any component of sintilimab or bevacizumab formulation, or any contraindications to sintilimab or bevacizumab. 5. Presence of cancer or metastasis in the central nervous system with clinical symptoms. 6. Remaining ≥ NCI-CTCAE grade 2 toxicities from previous anticancer therapy, unless otherwise specified. 7. Current or past history of infection with HIV, HCV, or active tuberculosis.

Design outcomes

Primary

MeasureTime frame
Incidence and type of dose-limiting toxicities (DLTs)Up to 30 days post last dose
Adverse events (AEs) and serious AEs (SAEs)Up to 30 days post last dose
Abnormalities in laboratory and other clinical assessmentsUp to 30 days post last dose

Secondary

MeasureTime frame
Objective response rate (ORR)Up to 2 years
Disease control rat (DCR)Up to 2 years
Duration of response (DOR)Up to 2 years
Progression-free survival (PFS)Up to 2 years
Overall survival (OS)Up to 2 years

Countries

China

Contacts

CONTACTNing Li, Dr.
lining@cicams.ac.cn+8601087788713
CONTACTShuhang Wang, Dr.
wangshuhang@cicams.ac.cn+8613581809307
STUDY_DIRECTORShuhang Wang, Dr.

Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 1, 2026