Proton therapy for patients with liver cancer

Is this trial a fit for you?

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

What this trial studies

This national phase II study investigates the use of proton therapy as a treatment for hepatocellular carcinoma (HCC) in Denmark. The study aims to provide a safer and more effective radiation option for patients who are not candidates for surgery or other local treatments. A total of 50 patients will be enrolled over three years, receiving proton therapy while undergoing regular monitoring through CT scans and blood tests for circulating tumor DNA. The goal is to improve treatment outcomes and prognosis for patients with HCC.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Patients with HCC based on classical radiologic findings as defined by the American Association for the Study of Liver Diseases (AASLD) criteria or verified by biopsy
* No extra-hepatic disease
* Deemed ineligible for resection or Radiofrequency Ablation (RFA), or the patients should refuse RFA or surgery
* Age ≥ 18 years
* Performance status ≤ 2
* Total diameter of tumor(s) ≤ 12 cm and a maximum of 3 tumors
* Adequate liver function as measured by Child-Pugh score (Child-Pugh score ≤ 8), or absence of cirrhosis
* Has recovered adequately from toxicity and/or complications from any previous local interventions
* Patients with past or ongoing hepatitis C infection are allowed, but treatment for hepatitis C must have been completed one month before study entry
* Patients with hepatitis B infection is allowed if antiviral therapy have been given for at least 4 weeks and Hepatitis B Virus (HBV) viral load is less than 100 IU/ml. The active therapy must continue throughout the radiation therapy. Patients who are Total hepatitis B core antibody (anti-HBc)(+), negative for Hepatitis B surface antigen (HbsAg) and negative or positive for Hepatitis B surface antibody (anti-HBs) with a HBV viral load under 100 IU/mL do not require HBV anti-viral prophylaxis
* Adequate organ function

  * hematological: hemoglobin ≥ 6 mmol/l, absolute neutrophil count (ANC) ≥ 1,5 x 109/L, platelets ≥ 50 x 109/L
  * hepatic: bilirubin ≤ 1.5 x ULN, alanin-aminotransferase (ALAT) ≤ 1.5 x ULN
  * renal: creatinine ≤ 1.5 x ULN
* Ability to adhere to procedures for study and follow-up
* Signed informed consent to participate
* Final decisions on inclusion and treatment with proton therapy are at the discretion of the investigator

Exclusion Criteria:

* Previous x-ray-based radiotherapy in the liver
* Child Pugh score \>8
* Tumor less than 1 cm from any critical organs at risk (OAR) (duodenum, kidney, stomach, intestines).
* Previous Selective internal radiation therapy (SIRT)
* Episode of hepatic encephalopathy within the last 6 months
* Uncontrolled ascites with need for drainage \> 1 per month
* Episode of bleeding esophageal varices within the past month. If active bleeding from esophageal varices has occurred, a gastroscopy should be performed 4 weeks after the bleeding episode to ensure maximum grade 1 varices.
* Patients with metal implants where beam entrance through the metal implants cannot be avoided (not applicable for fiducial markers implanted for radiotherapy use)
* Patients for whom it is not possible to produce a robust treatment plan following the technical guidelines (Appendix A)
* Patients for whom it is not possible to implant fiducial markers e.g. due to insufficient coagulation of the blood.

Where it's running

• Herlev Hospital
  Herlev, Capital Region, Denmark Recruiting
• Aarhus University Hospital
  Aarhus, Central Jutland, Denmark Recruiting
• Odense University Hospital
  Odense, Syd, Denmark Not yet recruiting

Study contacts

• Principal investigator: Britta Weber, MD PhD — Danish Center of Particle Therapy
• Study coordinator: Britta Weber, MD PhD
• Email: britta.weber@auh.rm.dk
• Phone: +4526236694

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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.