ClinicalTrials.gg
RecruitingNCT07027436DARTSUpdated Sep 17, 2026

Radiation Therapy Followed by Durvalumab (MEDI4736) and Tremelimumab And Surgery Versus Radiation Therapy Followed by Surgery for Resectable Hepatocellular Carcinoma.

A Phase 3 interventional study of Chemotherapy/Radiation in Hepatocellular Carcinoma (HCC), sponsored by Hamilton Health Sciences Corporation. Recruiting at 2 sites in Canada. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-09-17.

Sponsored by Hamilton Health Sciences Corporation · Phase 3, Interventional, and Treatment

From the registry’s dates

  • Started Nov 2025; still recruiting 1 year later.

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Phase
Phase 3
Study type
Interventional
Enrollment
30
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Where this study stands

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

Among 128 studies in Carcinoma, Hepatocellular with a site in Canada — 23 open to participants now, 39 under way, 12 of them phase 3. Carcinoma, Hepatocellular · Canada.

Planned enrollment
84th of 114
30 · median 127
Started
2025
with 5 others
Phase 3
41 of 128
5 open now
Primary completion
2027-10
later than 23 of 38 live
Registered
123rd of 128
by date

Among the 128 studies in Carcinoma, Hepatocellular with a site in Canada, this one is the 84th largest by planned enrollment of the 114 interventional ones that give a count, is one of 6 that started in 2025, is one of 41 in phase 3, reaches primary completion later than 23 of the 38 other live ones, and was the 123rd 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

23 of the 128 studies in Carcinoma, Hepatocellular with a site in Canada are open now. Recruiting first, the newest first:

17 more — sign in →

All 23 open studies →

A study can be open while its sites in Canada have not opened yet or have stopped. Only those recruiting at a site in Canada →

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 and older · all sexes · no healthy volunteers.

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Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 128 studies in Carcinoma, Hepatocellular with a site in Canada, or all of them as a file.
02

Study summary

The objectives of this study is to estimate the biological activity of combination chemotherapy and radiation versus radiation alone in patients with Hepato Cellular Carcinoma (HCC).

The study hypothesizes is that combination chemotherapy and radiation is superior to radiation alone in inducing a biological response. The study hypothesizes that combination chemotherapy and radiation is superior to radiation alone in inducing a biological response. A biological response, or change in the tumor microenvironment (TME), is defined by reduced infiltration of intra-tumoral regulatory T cells (Tregs), a decrease in tumour-associated macrophages (TAMs) of the M2 phenotype, and an increase in immune cells such as effector CD8+ T-cells. An increased rate of biological response is therefore expected in participants receiving the combination of Durvalumab, Tremelimumab, and stereotactic body radiation therapy (SBRT), compared to those receiving SBRT alone. Additionally, biological response is hypothesized to correlate with pathological response.

The study has been conducted within a WOO window of opportunity randomized clinical trial in order to obtain data in the quickest and safest manner. Patients undergoing surgery are very healthy by definition and will be able to tolerate treatment without any major complications, leading to adequate tissue samples before and after treatment.

03

Conditions studied

  • Hepatocellular Carcinoma (HCC)

Keywords

  • Durvalumab/tremelimumab, SBRT, radiation, HCC
  • WOO, Window of Opportunity
04

Who can participate

Ages eligible
18 Years and older
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

  • Radiologically or proven solitary HCC without biliary invasion or , Liver Imaging Reporting and Data Systems (LI- RADS) 4 or 5 only. Participants with satellite tumour nodules are eligible. Satellitosis or a satellite nodule is defined as a tumour (LI-RADS 4 or 5 only) less than or equal to 2 cm and located less than or equal to 2 cm from the main tumour.

Tumour less than 12 cm in maximum size on CT or MRI.

Planned surgical resection of HCC with a of at least 12 weeks

Age >18 years at time of study entry.

Class A within 14 days prior to study enrollment

(ECOG) of 0 or 1 (see Appendix 3)

Body weight >30 kg at time of study enrollment

Adequate normal organ and marrow function as defined below:

≥9.0 g/dL

(ANC ≥1.0 × 109 /L)

count ≥75 × 109/L

Serum ≤1.5 x institutional (ULN).

(SGOT)/ALT (SGPT) ≤2.5 x institutional upper limit of normal

Measured (CL) >40 mL/min or Calculated creatinine clearance CL>40 mL/min by the Cockcroft-Gault formula (Cockcroft and Gault 1976) or by 24-hour urine collection for determination of creatinine clearance:

Males:

Creatinine CL (mL/min) = Weight (kg) x (140 - Age)72 x serum creatinine (mg/dL)

Females:

Creatinine CL (mL/min) = Weight (kg) x (140 - Age) x 0.85 72 x serum creatinine (mg/dL)

Patient is capable and willing to provide signed .

Exclusion criteria

Exclusion Criteria:

  • Previous therapy for HCC, including systemic therapy, surgery, radiation therapy, ablation or embolization.

Participation in another clinical study with an product during the last 4 weeks or concurrent enrolment in another clinical study, unless it is an observational (non-interventional) clinical study or during the follow-up period of an interventional study.

Any concurrent chemotherapy, IP, biologic, or hormonal therapy for cancer treatment. Concurrent use of hormonal therapy for non-cancer-related conditions (e.g., hormone replacement therapy) is acceptable.

Previous radiation therapy or surgery within 4 weeks of the randomization.

Previous allogenic organ transplantation

Previous , anti-PD-L1 or anti-CTLA-4 therapy

Previous receipt of durvalumab and / or tremelimumab or allergy to it

Any unresolved toxicity Grade ≥2 from previous anticancer therapy except for alopecia, vitiligo, and the laboratory values defined in the inclusion criteria

Patients with Grade ≥2 neuropathy will be evaluated on a case-by-case basis after consultation with the Study Physician.

Patients with irreversible toxicity not reasonably expected to be exacerbated by treatment with durvalumab or tremelimumab may be included only after consultation with the Study Physician.

Active or prior documented or inflammatory disorders (including inflammatory bowel disease [e.g., colitis or Crohn's disease], diverticulitis [with the exception of diverticulosis], systemic lupus erythematosus, Sarcoidosis syndrome, or Wegener syndrome [granulomatosis with polyangiitis, Graves' disease, rheumatoid arthritis, hypophysitis, uveitis, etc.]). The following are exceptions to this criterion:

Patients with vitiligo or alopecia

Patients with hypothyroidism (e.g., following Hashimoto syndrome) stable on hormone replacement

Any chronic skin condition that does not require systemic therapy

Patients without active disease in the last 5 years may be included but only after consultation with the study physician

Patients with celiac disease controlled by diet alone

History of active primary immunodeficiency

Conditions that would preclude administration of durvalumab and / or tremelimumab

Uncontrolled intercurrent illness, including but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, interstitial lung disease, serious chronic gastrointestinal conditions associated with diarrhea, or psychiatric illness/social situations that would limit compliance with study requirement, substantially increase risk of incurring AEs or compromise the ability of the patient to give written

Known active hepatitis infection, positive virus (HCV) antibody, virus (HBV) surface antigen (HBsAg) or HBV core antibody (anti-HBc), at screening. Patients with a past or resolved HBV infection (defined as the presence of antiHBc and absence of HBsAg) are eligible. Patients positive for HCV antibody are eligible only if polymerase chain reaction is negative for HCV RNA.

b.1. Patients co-infected with HBV and HCV or co-infected with HBV and HDV, namely: HBV positive (presence of HBsAg and/or anti HBcAb with detectable HBV DNA); and

b.2. HCV positive (presence of anti-HCV antibodies); or

b.3. HDV positive (presence of anti-HDV antibodies)

b.4. Patients with HBV infection, characterized by positive HBsAg and/or anti-HBcAb with undetectable HBV DNA (\< 10 IU/ml or under the limit of detection per local lab standard) do not require antiviral therapy prior to enrollment. These patients will be tested once for HBV DNA levels; if HBV DNA is detected (≥ 10 IU/ml or above the limit of detection per local lab standard), antiviral therapy must be initiated, continued for the study duration and for 6 months after the last dose of IP.

Known to have tested positive for (HIV) (positive HIV 1/2 antibodies) which is not well controlled or active tuberculosis infection (clinical evaluation that may include clinical history, physical examination and radiographic findings, or tuberculosis testing in line with local practice).

c.1. All of the following criteria are required to define an HIV infection that is well controlled: undetectable viral RNA load for 3 months, of >200 no history of AIDS-defining opportunistic infection within the past 12 months, and stable for at least 3 months on the same anti-HIV medications.

History of another primary , except for

Malignancy treated with curative intent and with no known active disease ≥2 years before randomization and of low potential risk for recurrence

Adequately treated non-melanoma skin cancer or lentigo maligna without evidence of disease

Adequately treated carcinoma in situ without evidence of disease

Current or prior use of medication within 14 days before enrollment. The following are exceptions to this criterion:

Intranasal, inhaled, topical , or local steroid injections (e.g., intra articular injection)

Systemic corticosteroids at physiologic doses not to exceed 10 mg/day of prednisone or its equivalent

Steroids as premedication for reactions (e.g., CT scan premedication)

Receipt of within 30 days prior to enrollment. Note: Patients, if enrolled, should not receive live vaccine whilst receiving IP and up to 90 days after the last dose of IP.

Female patients who are pregnant or breastfeeding or male or female patients of who are not willing to employ effective from screening to 180 days after the last dose of durvalumab and tremelimumab combination therapy.

Terms in these criteria, in plain language(28)

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.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Metastases

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

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.

Child-Pugh class

A score of how well the liver works in people with liver disease such as cirrhosis: class A is mild, B moderate and C severe.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Absolute neutrophil count (ANC)

The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.

It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Creatinine clearance (CrCl)

How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

PD-1, PD-L1 and checkpoint inhibitors

PD-1, PD-L1 and CTLA-4 are proteins that act as brakes on the immune system. Checkpoint inhibitors, such as pembrolizumab or nivolumab, block them so the immune system can attack a cancer.

PD-L1 can also be measured in a tumour sample. Some scores count stained tumour cells only (TPS); others also count certain immune cells (CPS). The study names the score and the minimum it uses.

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.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

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.

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.

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.

CD4 count

The number of CD4 cells, a type of white blood cell, in a given amount of blood. It is used to follow how well the immune system is doing in HIV.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

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.

Live vaccines

Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.

Reproductive potential

Able to have children. For women this usually means from the first period until menopause, unless permanently unable to through surgery; for men, unless permanently sterile. Read who the line is about — participants, women, men, or their partners.

Criteria about it usually ask for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    SBRT and Chemotherapy

    Study participants randomized to treatment Group 1, will receive SBRT prior to surgery on Day 1, and receive one infusion of Durvalumab (1500mg IV) / Tremelimumab 300mg IV) on Day 15.

    Drug: Chemotherapy/Radiation

  • No intervention
    SBRT alone

    The patients receive radiation only without chemotherapy SBRT prior to the surgery.

Interventions

  • DrugChemotherapy/Radiation

    Combination of radiation and chemotherapy

    Also known as: Group 1

This study also gives Durvalumab, Tremelimumab. No intervention listed here names it: that was found by reading the record.

06

What researchers measure

Primary outcomes

  1. Intratumoral immune cells (regulatory T lymphocytes or Tregs).

    This will be measured pre and post treatment through proteomic analysis with digital spatial profiling (DSP) technology. This will determine with high resolution the area of infiltration (tumour versus stroma), to assess the relative immune status of the tumor (i.e., hot or cold). The primary endpoint is the percentage change in Tregs in the TME. The percentage change in Tregs is defined as the: (number of Tregs at surgery) / (number of Tregs at baseline) \*100%.

    Time frame: Baseline and immediately after the intervention

Secondary outcomes

  1. Intratumoural immune cells including M2-TAMs measured similarly to the primary outcome measure.

    measured similarly to the primary outcome measure.

    Time frame: Baseline and immediately after the intervention

  2. Intratumoural immune cells

    Intratumoural immune cells (such as B cells, CD8+ T cells)

    Time frame: Baseline and immediately after the intervention

  3. TMB

    which will be defined as the number of somatic nonsynonymous mutations or variants present in the coding region expressed as mutations per megabase (muts/Mb) of sequence. TMB will be measured using DNA/RNA seq, which will be analysed in the specimen pre- treatment. RNA seq will be analysed post treatment using ThermoFisher's Oncomine Comprehensive Assay Plus Assay (DNA-seq) and ThermoFisher's Ion AmpliSeqTM Transcriptome Human Gene Expression Kit (RNA-seq).

    Time frame: Baseline and immediately after the intervention

  4. PD-L1 expression

    PD-L1 expression before and after treatment will be performed using immunohistochemistry in the specimen

    Time frame: Baseline and immediately after the intervention

  5. The percent change in peripheral blood immune repertoire.

    TCR-sequencing using ThermoFisher's Oncomine TCR Beta-LR Assay: changes in the immune repertoire produced by therapy will be analysed in peripheral blood using DNA from the buffy coat at baseline and post treatment. Relevant T cell clonotypes will be identified through TCR analysis of the resected tumour.

    Time frame: Baseline and immediately after the intervention

Other outcomes

  1. Exploratory outcome

    Pathologic response

    Time frame: Baseline and immediately after the intervention

07

Study locations

1 of 2 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 Nov 2025 (actual). Primary completion is estimated for Oct 2027, 23 months after the start.

Of 86 non-industry phase 3 interventional studies under Carcinoma, Hepatocellular, half reached primary completion within 70 months of starting (the median), counting those still running; a quarter within 49 and three quarters within 109. This study's planned 23 months is below that.

Counting every sponsor, half of 138 studies reached it within 56 months; a quarter within 43 and three quarters within 83.

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

Registered
Jun 3, 2025
First posted
Jun 18, 2025
StartActual
Nov 7, 2025
Primary completionEst.
Oct 12, 2027
CompletionEst.
Oct 10, 2028
Last update
Sep 17, 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 Sep 17, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07027436
Collaborators
McMaster University, London Health Sciences Centre
Responsible party
Pablo Serrano (Local principal Investigator, Hamilton Health Sciences Corporation) — Principal investigator
First posted
Jun 18, 2025
Start date
Nov 7, 2025
Primary completion
Oct 12, 2027 (estimated)
Completion
Oct 10, 2028 (estimated)
Last update
Sep 17, 2026

Oversight

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

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Studies of the drugs tested here: Durvalumab · Tremelimumab

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