Clinical trial Recruiting at 189 sites Phase 3 Interventional Ages 18 and up

Rilvegostomig plus bevacizumab, with or without tremelimumab, versus atezolizumab plus bevacizumab for advanced liver cancer

Official title: A Phase III, Randomised, Open-label, Sponsor-blinded, Multicentre Study of Rilvegostomig in Combination With Bevacizumab With or Without Tremelimumab as First-line Treatment in Patients With Advanced Hepatocellular Carcinoma

Run by AstraZeneca · NCT06921785 · Data updated 2026-11-12

This trial tests whether rilvegostomig combined with bevacizumab, with or without tremelimumab, works better than atezolizumab plus bevacizumab as first-line treatment for people with advanced hepatocellular carcinoma who are not candidates for curative or locoregional therapy.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment1220 (estimated)
SponsorAstraZeneca
Industry-sponsored
Drugs / interventionsbevacizumab, tremelimumab, atezolizumab
Locations226 sites (Phoenix, Arizona and 225 other locations)
StatusRecruiting
StartedMay 6, 2025
Main results expectedMarch 15, 2030
Study endsMarch 15, 2030
Registry record updatedOctober 13, 2026
Trial IDNCT06921785 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults with locally advanced, unresectable, or metastatic HCC (BCLC B not eligible for locoregional therapy or BCLC C), ECOG 0–1, Child-Pugh A, at least one measurable lesion, no prior systemic therapy for advanced HCC, and controlled active HBV or HCV infections as required by protocol.

Probably not a fit

Patients with decompensated liver disease (Child-Pugh B or C), uncontrolled HBV or HCV, ECOG performance status >1, prior systemic therapy for advanced HCC, or those eligible for curative or locoregional therapies are unlikely to benefit from participation.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a global, phase III, randomized, open-label, three-arm study with a single-arm safety lead-in to check tolerability of the rilvegostomig combination before randomization. Participants with locally advanced, unresectable, or metastatic hepatocellular carcinoma who have not received prior systemic therapy will be enrolled. The randomized period compares rilvegostomig plus bevacizumab with or without tremelimumab against the standard combination of atezolizumab plus bevacizumab. Efficacy and safety outcomes will be collected across multiple centers to determine whether the new combinations provide improved clinical benefit.

Why it matters

Potential benefit: If successful, the combinations with rilvegostomig could provide a new first-line option that improves tumor control or survival while maintaining acceptable tolerability.

How similar studies have gone: Atezolizumab plus bevacizumab has previously shown a first-line survival benefit in advanced HCC and other immunotherapy-plus-anti-VEGF combinations have been successful, but rilvegostomig-containing regimens are novel and still unproven in this setting.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Locally advanced or metastatic and/or unresectable HCC
* WHO/ECOG performance status of 0 or 1
* BCLC stage B (that is not eligible for locoregional therapy) or stage C.
* Child-Pugh Score class A
* At least one measurable target lesion
* Participants with active HBV infection must receive antiviral therapy for a minimum of 14 days prior to randomization to show evidence of HBV stabilization or signs of viral response.
* Participants with active HCV infection must be well controlled. Participants co-infected with HBV and HCV are not eligible.
* Adequate organ and bone marrow function measured during the screening period.
* Adequate organ and bone marrow function measured during the screening period
* Must not have received prior systemic therapy for intermediate, advanced, or metastatic HCC.
* Disease that is not amenable to curative surgical and/or locoregional therapies. For participants who received locoregional therapy for HCC, locoregional therapy must have been completed ≥ 28 days prior to the baseline scan for the current study.

Exclusion Criteria:

Medical condition

* Any evidence of uncontrolled intercurrent diseases
* Active or prior documented autoimmune or inflammatory disorders requiring chronic treatment with steroids or other immunosuppressive treatment
* History of another primary malignancy
* Persistent toxicities caused by previous anti-cancer therapy excluding alopecia, not yet improved to Grade ≤ 1 or baseline.
* Clinically meaningful ascites, pleural effusion, or pericardial effusion requiring non-pharmacologic intervention to maintain symptomatic control within 6 months prior to the first scheduled dose.
* History of active primary immunodeficiency or active infection
* History of hepatic encephalopathy
* Current or recent (within 10 days of first dose of study treatment) use of aspirin (≥ 325 mg/day) or treatment with dipyridamole, ticlopidine, clopidogrel, and cilostazol
* Current or recent (within 10 days prior to study treatment start) use of full-dose oral or parenteral anticoagulants or thrombolytic agents for therapeutic (as opposed to prophylactic) purposes is ineligible
* History of significant bleeding disorders, vasculitis, or a significant bleeding episode from the GI tract within 6 months prior to study randomization.
* Participants with untreated or incompletely treated varices with bleeding or high-risk (red wale signs or other high-risk factors) for bleeding.

HCC related

* Known fibrolamellar HCC, sarcomatoid HCC, or mixed cholangiocarcinoma and HCC.
* Central nervous system metastases or spinal cord compression (including asymptomatic and adequately treated disease)
* Prior treatment with anti-CTLA-4 and/or anti-TIGIT.
* Radiotherapy within 28 days and abdominal/ pelvic radiotherapy within 60 days prior to initiation of study treatment, except palliative radiotherapy to bone lesions within 7 days prior to initiation of study treatment

Where it's running

  • Research Site
    Phoenix, Arizona, United States
    Recruiting
  • Research Site
    Tucson, Arizona, United States
    Recruiting
  • Research Site
    Los Angeles, California, United States
    Recruiting
  • Research Site
    Palo Alto, California, United States
    Recruiting
  • Research Site
    New Haven, Connecticut, United States
    Recruiting
  • Research Site
    Newark, Delaware, United States
    Recruiting
Show 44 more locations
  • Research Site
    Jacksonville, Florida, United States
    Recruiting
  • Research Site
    Atlanta, Georgia, United States
    Recruiting
  • Research Site
    Chicago, Illinois, United States
    Recruiting
  • Research Site
    Detroit, Michigan, United States
    Recruiting
  • Research Site
    Grand Rapids, Michigan, United States
    Recruiting
  • Research Site
    Rochester, Minnesota, United States
    Recruiting
  • Research Site
    New Brunswick, New Jersey, United States
    Recruiting
  • Research Site
    New York, New York, United States
    Recruiting
  • Research Site
    New York, New York, United States
    Recruiting
  • Research Site
    Pittsburgh, Pennsylvania, United States
    Recruiting
  • Research Site
    Amarillo, Texas, United States
    Recruiting
  • Research Site
    Austin, Texas, United States
    Recruiting
  • Research Site
    Houston, Texas, United States
    Recruiting
  • Research Site
    San Antonio, Texas, United States
    Recruiting
  • Research Site
    Tyler, Texas, United States
    Recruiting
  • Research Site
    Arlington, Virginia, United States
    Recruiting
  • Research Site
    Salem, Virginia, United States
    Recruiting
  • Research Site
    Seattle, Washington, United States
    Recruiting
  • Research Site
    Milwaukee, Wisconsin, United States
    Recruiting
  • Research Site
    Camperdown, Australia
    Recruiting
  • Research Site
    Clayton, Australia
    Recruiting
  • Research Site
    Heidelberg, Australia
    Recruiting
  • Research Site
    Randwick, Australia
    Recruiting
  • Research Site
    South Brisbane, Australia
    Recruiting
  • Research Site
    Barretos, Brazil
    Recruiting
  • Research Site
    Porto Alegre, Brazil
    Recruiting
  • Research Site
    Santa Maria, Brazil
    Recruiting
  • Research Site
    São Paulo, Brazil
    Recruiting
  • Research Site
    São Paulo, Brazil
    Recruiting
  • Research Site
    Vitória, Brazil
    Recruiting
  • Research Site
    Edmonton, Alberta, Canada
    Recruiting
  • Research Site
    Barrie, Ontario, Canada
    Recruiting
  • Research Site
    Brampton, Ontario, Canada
    Recruiting
  • Research Site
    Toronto, Ontario, Canada
    Recruiting
  • Research Site
    Montreal, Quebec, Canada
    Recruiting
  • Research Site
    Québec, Quebec, Canada
    Recruiting
  • Research Site
    Beijing, China
    Recruiting
  • Research Site
    Beijing, China
    Recruiting
  • Research Site
    Beijing, China
    Recruiting
  • Research Site
    Changchun, China
    Recruiting
  • Research Site
    Changsha, China
    Recruiting
  • Research Site
    Chengdu, China
    Recruiting
  • Research Site
    Chifeng, China
    Recruiting
  • Research Site
    Chongqing, China
    Recruiting

+176 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.