| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
| Irradiation damage to the liver after HDR-brachytherapy of liver metastases. |
|
| E.1.1.1 | Medical condition in easily understood language |
| Radiation damage to the liver after irradiation of malignant liver tumors. |
|
| E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
| MedDRA Classification |
| E.1.3 | Condition being studied is a rare disease | No |
| E.2 Objective of the trial |
| E.2.1 | Main objective of the trial |
| To assess if a combination regimen of pentoxifylline and ursodeoxycholic acid provides a preventive effect regarding irradiation damage to liver parenchyma after HDR-brachytherapy. |
|
| E.2.2 | Secondary objectives of the trial |
To evaluate the relation between hepatocyte dysfunction as assessed in Primovist-enhanced MRI and changes in liver-specific and inflammatory laboratory values.
To evaluate the quality of live comparing both patient groups using the EQ-5D questionnaire and ECOG performance status.
To assess the safety of the study medication given after HDR brachytherapy.
|
|
| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
Age 18 to 85 or ECOG performance status of 0 or 1
If female, postmenopausal or surgically sterilized
Liver metastases scheduled for a CT/MRI-guided single or sequential interstitial HDR brachytherapy
Non-cirrhotic liver
Life expectancy longer than 6 months
Willing and able to undergo all study procedures
Having voluntarily provided written and fully informed consent
|
|
| E.4 | Principal exclusion criteria |
Women who are pregnant, lactating or who are of childbearing potential
Liver cirrhosis
Hepatitis B
Hepatitis C
Patients being clinically unstable
Uncooperative, in the investigator’s opinion
Having been previously enrolled in this study
Participating in another therapy-modulating clinical trial
Contraindication for MRI
Contraindication or hypersensitivity to one or more components of Primovist, Ursodeoxycholic acid and/or Pentoxifylline
Any prior irradiation therapy of the liver up to 6 months before inclusion
Close affiliation with the investigational site; e.g. a close relative of the investigator
Severe coronary artery disease
Autoimmune diseases
Acute bacterial endocarditis
Patients with severe renal impairment (GFR below 45 mL/min/ according to the CKI EPI formula, calculated from a creatinine value obtained at the initial examination)
Patients with medication of coumarins (vitamin K antagonists)
|
|
| E.5 End points |
| E.5.1 | Primary end point(s) |
| HDR-brachytherapy isodose that marks the border between damaged and functioning liver tissue (as defined by GD-EOB-DTPA-enhanced MR imaging). |
|
| E.5.1.1 | Timepoint(s) of evaluation of this end point |
| 6 weeks, 3 months and 6 months after brachytherapy. |
|
| E.5.2 | Secondary end point(s) |
Changes in inflammatory and liver specific parameters.
Quality of live as assessed by EQ-5D questionnaire und ECOG performance status. |
|
| E.5.2.1 | Timepoint(s) of evaluation of this end point |
| 6 weeks, 3 months and 6 months after brachytherapy. |
|
| E.6 and E.7 Scope of the trial |
| E.6 | Scope of the trial |
| E.6.1 | Diagnosis | No |
| E.6.2 | Prophylaxis | Yes |
| E.6.3 | Therapy | Yes |
| E.6.4 | Safety | Yes |
| E.6.5 | Efficacy | No |
| E.6.6 | Pharmacokinetic | No |
| E.6.7 | Pharmacodynamic | No |
| E.6.8 | Bioequivalence | No |
| E.6.9 | Dose response | No |
| E.6.10 | Pharmacogenetic | No |
| E.6.11 | Pharmacogenomic | No |
| E.6.12 | Pharmacoeconomic | No |
| E.6.13 | Others | No |
| E.7 | Trial type and phase |
| E.7.1 | Human pharmacology (Phase I) | No |
| E.7.1.1 | First administration to humans | No |
| E.7.1.2 | Bioequivalence study | No |
| E.7.1.3 | Other | No |
| E.7.1.3.1 | Other trial type description | |
| E.7.2 | Therapeutic exploratory (Phase II) | Yes |
| E.7.3 | Therapeutic confirmatory (Phase III) | No |
| E.7.4 | Therapeutic use (Phase IV) | No |
| E.8 Design of the trial |
| E.8.1 | Controlled | Yes |
| E.8.1.1 | Randomised | Yes |
| E.8.1.2 | Open | Yes |
| E.8.1.3 | Single blind | No |
| E.8.1.4 | Double blind | No |
| E.8.1.5 | Parallel group | No |
| E.8.1.6 | Cross over | No |
| E.8.1.7 | Other | No |
| E.8.2 | Comparator of controlled trial |
| E.8.2.1 | Other medicinal product(s) | No |
| E.8.2.2 | Placebo | No |
| E.8.2.3 | Other | Yes |
| E.8.2.3.1 | Comparator description |
| patients with standard care, without study medication |
|
| E.8.2.4 | Number of treatment arms in the trial | 2 |
| E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
| E.8.4 | The trial involves multiple sites in the Member State concerned | No |
| E.8.5 | The trial involves multiple Member States | No |
| E.8.6 Trial involving sites outside the EEA |
| E.8.6.1 | Trial being conducted both within and outside the EEA | No |
| E.8.6.2 | Trial being conducted completely outside of the EEA | No |
| E.8.7 | Trial has a data monitoring committee | No |
| E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
|
| E.8.9 Initial estimate of the duration of the trial |
| E.8.9.1 | In the Member State concerned years | 2 |
| E.8.9.1 | In the Member State concerned months | 0 |
| E.8.9.1 | In the Member State concerned days | 0 |