Multimodality MRI and Liquid Biopsy in Gliblastoma

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Study Overview

We are seeking to enroll up to 30 subjects with newly diagnosed or recurrent GBM who will undergo a clinical brain MRI examination with and without contrast prior to surgery. Participants will also have a blood draw pre-operatively to collect samples for cfDNA and ctDNA analysis. MRI imaging will include an injection of intravenous infusion of 5 mg/kg ferumoxytol in addition to routine pre and post-contrast sequences after gadolinium injection. Subsequently, three different sites in the enhancing component of the tumor of each participant will be selected for intraoperative sampling based on hypointense signal on multi-echo gradient-recalled echo sequence that reflect ferumoxytol-induced signal drop.

  • Study Identifier: 843601

Recruitment Status


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