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Case report: durable response of gliomatosis cerebri with concurrent tumor-treating fields (TTFields) and chemoradiotherapy treatment
Journal article   Open access   Peer reviewed

Case report: durable response of gliomatosis cerebri with concurrent tumor-treating fields (TTFields) and chemoradiotherapy treatment

Alex M DesJarlais, Ryan Miller, Ayesha S Ali, Muneeb Z Niazi, Louis Cappelli, Jon Glass, Christopher J Farrell and Wenyin Shi
Chinese clinical oncology, v 12(6), 69
Dec 2023
DOI: https://doi.org/10.21037/cco-23-114
PMID: 38195076
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.21037/cco-23-114View
Published, Version of Record (VoR) Open CC BY-NC-ND V4.0

Abstract

Bevacizumab Chemoradiotherapy Glioblastoma Glioma - therapy Humans Male Middle Aged Neoplasm Recurrence, Local United States
Gliomatosis cerebri (GC) is a rare and aggressive form of widely disseminated glioma infiltrating at least 3 lobes of the brain. It is a diffuse pattern of growth seen in glioma rather than a distinct pathological diagnosis based on new Word Health Organization (WHO) classification. Despite this, it is associated with worse prognosis than equally graded gliomas. Tumor treating fields (TTFields) treatment is a more recent advancement in glioma treatment delivered through low energy, intermediate frequency (200 kHz) electromagnetic fields, with multi-modal mechanisms of action. It is Food and Drug Administration (FDA) approved for newly diagnosed and recurrent glioblastoma (GBM). The aim of this case report is to present a durable response of GBM associated GC to concurrent TTFields with chemoradiation. We report a 64-year-old male with left parietal GBM, IDH wild type, WHO grade 4 with extensive GC change. After resection of the enhancing lesion, the patient received concurrent tumor-treating fields (TTFields) with radiation and temozolomide, enrolled in SPARE trial (NCT03477110). The patient had a rapid response in the areas of gliomatosis change demonstrated on the magnetic resonance imaging 1 month post-radiation treatment. The response of GC was durable. His glioma recurred 11 months after surgery with new enhancing lesions, treated with radiosurgery. He had further extensive progression of enhancing lesions 13 months after surgery, and received bevacizumab treatment. The patient ultimately passed away 17 months after surgery. Despite progression of enhancing lesions, the GC changes remained controlled. He also had favorable progression-free survival of 11 months and overall survival of 17 months. This case serves as an example of how combination TTFields with chemoradiation may elicit a durable response of GC in patients with GBM.

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Collaboration types
Domestic collaboration
Web of Science research areas
Oncology
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