NCT03088423

HCC Response Assessment by MRI After SBRT

Tumor Response Assessment by MRI Following Stereotactic Body Radiation Therapy for Hepatocellular Carcinoma

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 35 (actual)
• Sponsor: Institut de Cancérologie de Lorraine · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

The aim of this work was to describe SBRT different presentations, to study predictive factors for tumor responses following treatment, and to compare tumor response assessments according to the Response Evaluation Criteria

Conditions

• Carcinoma, Hepatocellular

Interventions

Type	Name	Description
RADIATION	SBRT delivers high dose selective irradiation with millimeter precision to a small volume. The Cyberknife® is a robotic SBRT dedicated device that can deliver 100 to 200 photobeams to the target	Seven to ten days before the scheduled CT, 2-4 fiducial markers were implanted percutaneously 2 to 5 cm next to the lesion under sonographic guidance following administration of local anesthesia, thus allowing real-time tracking during treatment. The total dose delivered was 45 Gy on the 80% isodose, in three fractions over 10 days. Gross tumor volume (GTV) was defined as the tumor mass that could be discerned by diagnostic imaging. An isotropic margin of 5 mm was added to account for the microscopic extension (clinical target volume, CTV) and another 3 mm margin was added to compensate for uncertainties regarding the position (previsional target volume, PTV)

Timeline

• Start date: 2011-10-01
• Primary completion: 2013-04-01
• Completion: 2015-02-01
• First posted: 2017-03-23
• Last updated: 2017-03-23