Biologically-based Target Volumes to Treat Newly Diagnosed Glioblastoma

Status Withdrawn

Clinical Trial Summary

This clinical trial increases radiation to areas of the brain considered to be at risk for cancer. The at-risk areas are identified by a biological MRI scan. The study will look at side effects of the radiation and overall survival.

Clinical Trial Description

This study evaluates if increasing radiation dose to at-risk areas impacts overall survival without causing a decrease in quality of life or an increase in radiation side effects.

Standard radiation dose for glioblastoma (GBM) is 60 Gray in 30 fractions, with patients receiving 1 fraction per day, Monday through Friday.

This trial will use a total of 75 Gray in 30 fractions, with participants receiving 1 fraction per day, Monday through Friday. Participants will still receive the standard chemotherapy (temozolomide) at the standard dose (75 mg/m2, once daily, 7 days a week).

This study also uses a different imaging technique to identify the tumor target and the tissues at risk. Normal imaging techniques will be used to define the standard target volume and will receive the standard radiation dose (60 Gray). A special MRI sequence will identify at risk areas based on diffusion and perfusion abnormalities. This area will receive the higher radiation dose (75 Gray).

Participants will also be asked to complete quality of life questionnaires and neurocognitive evaluations at specific time points. This is to identify any side effects from the higher radiation dose. Preliminary work done at University of Michigan suggests a lack of side effects from the higher dose of radiation. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03506139
Study type	Interventional
Source	University of Iowa
Contact
Status	Withdrawn
Phase	Phase 2
Start date	May 15, 2019
Completion date	December 31, 2026

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