A Study of Individualized Stereotactic Body Radiation Therapy (SBRT) for Intrahepatic Cancer

2015-05-31 23:05:35 | BioPortfolio


This is a Phase II trial to characterize the safety and efficacy of individualized stereotactic body radiation therapy (SRBT) for patients who have had previous liver treatment or who have primary hepatocellular carcinoma (HCC).


The trial endpoints are toxicity, survival and progression-free survival. DCE-MRI and plasma biomarkers will also be collected to explore their use as tools for treatment individualization in future trials. During the current trial, an indicator of liver function, indocyanine green (ICG), will be used to identify during treatment patients who are at excess risk for radiation-induced liver disease (RILD) so that their radiation dose may be reduced. The model used for individualization will be updated as trial data accrue, so this is an adaptive trial of an individualized therapy. The planned accrual is seventy (70) evaluable patients over three years.

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Liver Cancer


individualized Stereotactic Body Radiation Therapy (SBRT)


University of Michigan Comprehensive Cancer Center
Ann Arbor
United States


Active, not recruiting


University of Michigan Cancer Center

Results (where available)

View Results


Published on BioPortfolio: 2015-05-31T23:05:35-0400

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Medical and Biotech [MESH] Definitions

A radiological stereotactic technique developed for cutting or destroying tissue by high doses of radiation in place of surgical incisions. It was originally developed for neurosurgery on structures in the brain and its use gradually spread to radiation surgery on extracranial structures as well. The usual rigid needles or probes of stereotactic surgery are replaced with beams of ionizing radiation directed toward a target so as to achieve local tissue destruction.

Preliminary cancer therapy (chemotherapy, radiation therapy, hormone/endocrine therapy, immunotherapy, hyperthermia, etc.) that precedes a necessary second modality of treatment.

Drug therapy given to augment or stimulate some other form of treatment such as surgery or radiation therapy. Adjuvant chemotherapy is commonly used in the therapy of cancer and can be administered before or after the primary treatment.

Irradiation of one half or both halves of the body in the treatment of disseminated cancer or widespread metastases. It is used to treat diffuse metastases in one session as opposed to multiple fields over an extended period. The more frequent treatment modalities are upper hemibody irradiation (UHBI) or lower hemibody irradiation (LHBI). Less common is mid-body irradiation (MBI). In the treatment of both halves of the body sequentially, hemibody irradiation permits radiotherapy of the whole body with larger doses of radiation than could be accomplished with WHOLE-BODY IRRADIATION. It is sometimes called "systemic" hemibody irradiation with reference to its use in widespread cancer or metastases. (P. Rubin et al. Cancer, Vol 55, p2210, 1985)

Organs which might be damaged during exposure to a toxin or to some form of therapy. It most frequently refers to healthy organs located in the radiation field during radiation therapy.

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