ClinicalTrials.gg
RecruitingNCT07557251Updated Aug 31, 2026

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

A Phase 1 interventional study of BRII-5395 and Sintilimab in Advanced HBV-Related Hepatocellular Carcinoma, sponsored by Cancer Institute and Hospital, Chinese Academy of Medical Sciences. Recruiting at 1 site in China. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2026-08-31.

Sponsored by Cancer Institute and Hospital, Chinese Academy of Medical Sciences · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Started Aug 2026; still recruiting 3 months later.

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Phase
Phase 1
Study type
Interventional
Enrollment
21
Allocation
Non-randomized
Ages
18 Years to 70 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-14

Among 16 studies in Carcinoma, Hepatocellular by Cancer Institute and Hospital, Chinese Academy of Medical Sciences — 8 open to participants now, 9 under way, 1 of them phase 3. Carcinoma, Hepatocellular · Cancer Institute and Hospital, Chinese Academy of Medical Sciences.

Planned enrollment
13th of 15
21 · median 36
Started
2026
with 1 other
Phase 1
2 of 16
2 open now
Registered
15th of 16
by date

Among the 16 studies in Carcinoma, Hepatocellular by Cancer Institute and Hospital, Chinese Academy of Medical Sciences, this one is the 13th largest by planned enrollment of the 15 interventional ones that give a count, is one of 2 that started in 2026, is one of 2 in phase 1, and was the 15th registered.

Carcinoma, Hepatocellular

3,650 studies on the registry are indexed under Carcinoma, Hepatocellular; 1,062 are open to participants now.

Browse Carcinoma, Hepatocellular studies →

Open to participants now

8 of the 16 studies in Carcinoma, Hepatocellular by Cancer Institute and Hospital, Chinese Academy of Medical Sciences are open now, in 1 country. Recruiting first, the newest first:

2 more — sign in →

By country, each count listing its studies:

All 8 open studies →

Where they have run

Who these studies take

Of the 737 Carcinoma, Hepatocellular studies recruiting now, 382 (52%) set no upper age limit and 249 (34%) stop at 75 or younger; 31 take children under 18; 31 take healthy volunteers.

This study: 18 Years to 70 Years · all sexes · no healthy volunteers.

The full table on the hub →

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02

Study 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.

03

Conditions studied

  • Advanced HBV-Related Hepatocellular Carcinoma
04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Diagnosis of locally advanced or HCC that is deemed unsuitable for surgical resection or transplant.
  2. BCLC stages Intermediate (B) or Advanced (C).
  3. Failed at least 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. > 3 months.
  6. > 0.05 IU/mL at screening.

Exclusion criteria

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 prior to the first dose of study treatment.
  4. Known hypersensitivity to polyethylene glycol or any component of sintilimab or bevacizumab formulation, or any to sintilimab or bevacizumab.
  5. Presence of cancer or in the central nervous system with clinical symptoms.
  6. Remaining ≥ grade 2 toxicities from previous anticancer therapy, unless otherwise specified.
  7. Current or past history of infection with , , or active tuberculosis.
Terms in these criteria, in plain language(9)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Line of therapy

A line of therapy is one course of treatment, which may combine several drugs. First-line is the first course given; second-line follows when that stops working or is not tolerated.

“Two prior lines” means two courses that count separately under the study’s rules — not simply two drugs. Ask the study team if you are unsure how yours are counted.

Life expectancy

The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

CTCAE grade

The US National Cancer Institute’s scale of how severe an adverse event is — any unwanted medical event during a study, such as a symptom, an illness or an abnormal test result, whether or not a treatment caused it. Whether it did is judged separately.

1
Mild.
2
Moderate.
3
Severe.
4
Life-threatening.
5
Death due to the event.

“Side effects of earlier treatment resolved to grade 1 or less” means they have settled to mild or gone.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
21 participants (estimated)

Study arms

  • Experimental
    BRII-5395 dose escalation

    Participants will receive BRII-5395 at protocol-specified dose and schedule, and in combination with sintilimab 200 mg and bevacizumab 15 mg/kg, every 3 weeks. Treatment will continue until disease progression, unacceptable toxicity, withdrawal of consent, or loss to follow-up, whichever occurs first.

    Drug: BRII-5395 · Drug: Sintilimab · Drug: Bevacizumab

  • Experimental
    BRII-5395 dose expansion

    Participants will receive BRII-5395 at a dose level selected from Arm 1, and in combination with sintilimab 200 mg and bevacizumab 15mg/kg, every 3 weeks. Treatment will continue until disease progression, unacceptable toxicity, withdrawal of consent, or loss to follow-up, whichever occurs first.

    Drug: BRII-5395 · Drug: Sintilimab · Drug: Bevacizumab

Interventions

  • DrugBRII-5395

    BRII-5395 will be given via IM injection

  • Sintilimab will be given via IV infusion

  • Bevacizumab will be given via IV infusion

06

What researchers measure

Primary outcomes

  1. Incidence and type of dose-limiting toxicities (DLTs)

    Time frame: Up to 30 days post last dose

  2. Adverse events (AEs) and serious AEs (SAEs)

    Time frame: Up to 30 days post last dose

  3. Abnormalities in laboratory and other clinical assessments

    Time frame: Up to 30 days post last dose

Secondary outcomes

  1. Objective response rate (ORR)

    Time frame: Up to 2 years

  2. Disease control rat (DCR)

    Time frame: Up to 2 years

  3. Duration of response (DOR)

    Time frame: Up to 2 years

  4. Progression-free survival (PFS)

    Time frame: Up to 2 years

  5. Overall survival (OS)

    Time frame: Up to 2 years

07

Study locations

1 of 1 sites recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Started Aug 2026 (actual). Primary completion is estimated for Dec 2028, 28 months after the start.

Of 145 non-industry phase 1 interventional studies under Carcinoma, Hepatocellular, half reached primary completion within 51 months of starting (the median), counting those still running; a quarter within 33 and three quarters within 80. This study's planned 28 months is below that.

Counting every sponsor, half of 248 studies reached it within 49 months; a quarter within 32 and three quarters within 77.

How these figures are worked out, and which studies are left out of them.

Registered
Apr 7, 2026
First posted
Apr 29, 2026
StartActual
Aug 12, 2026
Primary completionEst.
Dec 2028
CompletionEst.
Dec 2028
Last update
Aug 31, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Aug 31, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07557251
Responsible party
Sponsor
First posted
Apr 29, 2026
Start date
Aug 12, 2026
Primary completion
Dec 2028 (estimated)
Completion
Dec 2028 (estimated)
Last update
Aug 31, 2026

Study contacts

Ning Li, Dr.
Contact
lining@cicams.ac.cn
+8601087788713
Shuhang Wang, Dr.
Contact
wangshuhang@cicams.ac.cn
+8613581809307
Shuhang Wang, Dr.
study director · Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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