Clinical trial Recruiting at 4 sites Interventional Ages 18 and up

Improving Immunotherapy Use in Liver Cancer

Official title: Optimizing and Improving Immunotherapy for Hepatocellular Carcinoma: the IO-MARC Study

Run by Universitaire Ziekenhuizen KU Leuven · NCT07623265 · Data updated 2026-11-12

This study tests whether biomarkers can identify hepatocellular carcinoma patients who are more likely to respond to immunotherapy.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment300 (estimated)
SponsorUniversitaire Ziekenhuizen KU Leuven
Academic / other
Drugs / interventionsimmunotherapy
Locations4 sites (Antwerp and 3 other locations)
StatusRecruiting
StartedMarch 4, 2025
Main results expectedJanuary 2029
Study endsJanuary 2032
Registry record updatedJune 3, 2026
Trial IDNCT07623265 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with hepatocellular carcinoma (HCC) who are undergoing standard of care treatment and consent to tissue and blood sample collection for research.

Probably not a fit

Patients whose tumors do not show biomarker signals of immunotherapy sensitivity may not experience additional benefit from this research.

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

What this trial studies

This multicenter, low-intervention study collects tumor tissue and blood samples from adults with hepatocellular carcinoma to identify biomarkers that predict immunotherapy sensitivity. It uses archival and prospective samples to map the tumor microenvironment and T-cell receptor relationships between blood and tumor tissue. No experimental drugs are given; patient management remains standard of care, and samples are taken during routine procedures. The study includes three cohorts totaling 300 patients and aims to improve patient selection for systemic or local therapies based on biomarker findings.

Why it matters

Potential benefit: If successful, patients with biomarker-predicted sensitivity to immunotherapy may receive more effective, personalized treatment.

How similar studies have gone: Prior studies have shown that tumor and blood biomarkers can correlate with immunotherapy response in liver cancer, supporting the approach's relevance, though this exact biomarker strategy is being explored in this context.

Who can join: the full rules

Show full inclusion / exclusion criteria
* General inclusion Criteria:

  1. Male or female, age \> 18 years
  2. Diagnosis or suspected diagnosis of hepatocellular carcinoma based on imaging
* Specific inclusion criteria cohort 1 (retrospective/prospective data may be applicable):

  1. Pathologically confirmed HCC
  2. Treated with systemic treatment \[tyrosine kinase inhibitor (TKI) or immunotherapy (ICI)\] in the last 7 years and follow-up data (at least one imaging on treatment) available until 01/01/2025
  3. Biopsy obtained between 01/01/2018 until 01/01/2025
  4. Left-over tissue from previous diagnostic biopsies or resection specimens available
  5. Time between biopsy and initiation of systemic treatment \< 1 year
  6. Ability to sign informed consent for secondary use of archival tissue and data collection for study-specific research for patients who are alive
* Specific inclusion criteria cohort 2 (aHCC \& prospective):

  1. Suspicion of hepatocellular carcinoma (imaging criteria or recurrent disease of previously treated HCC)
  2. Indication for tumor biopsy per standard of care
  3. Eligible for systemic treatment (any) after pathological confirmation of HCC
  4. Ability to sign informed consent for primary use of tissue and blood samples and data collection for study-specific research
* Specific inclusion criteria cohort 3 (eHCC \& prospective):

  1. Suspicion of hepatocellular carcinoma (imaging criteria or recurrent disease of previously treated HCC)
  2. Indication for local treatment (resection or ablation)
  3. Ability to sign informed consent for primary use of tissue and blood samples and for data collection for study-specific research

     Due to the observational nature of this study, participation in other (interventional) clinical trials is permitted, if biological materials can be collected per protocol.
* General exclusion criteria:

  1. Poor liver function and/or performance status which prohibits active treatment
  2. Pathologically proven other malignancies of the liver, including primary cholangiocarcinoma or liver metastases
  3. Treatment plan other than systemic treatment or local treatment (resection or ablation), such as TACE, TARE, liver transplantation

Where it's running

  • Uza
    Antwerp, Belgium
    Recruiting
  • Jessa ziekenhuis
    Hasselt, Belgium
    Recruiting
  • AZ Groeninge
    Kortrijk, Belgium
    Recruiting
  • AZ Delta
    Roeselare, Belgium
    Recruiting

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.