Margot Lazow, MD

Funded by the Dick Vitale Pediatric Cancer Research Fund

Brain and spine tumors are the leading cause of cancer-related death in children, adolescents, and young adults. Outcomes for pediatric and young adult patients diagnosed with high-grade gliomas (HGG) remain dismal, with 5-year overall survival tragically <10%, despite intensive surgery, radiation, and/or chemotherapy. There is therefore a critical need to develop effective, well-tolerated therapies for children and young adults with HGGs. Recent scientific discoveries have provided valuable insight into the genomics of these aggressive diseases and identified genetic changes which can serve as targets for therapy. Research has helped develop less toxic medicines, usually oral drugs, which can directly target specific genetic alterations present in the tumor to slow or stop its growth and spare healthy organs. We propose an innovative multi-arm clinical trial offering a precision medicine approach to treat children and young adults newly diagnosed with HGGs. Detailed genetic sequencing using advanced technology will be performed on tumor tissue from all patients upfront, with return of results within 3-4 weeks. Patients will then be assigned to one of several unique molecularly-targeted treatment arms based on (and directly targeting) the genetic alterations identified in their tumor. We will also collect blood samples as well as cerebrospinal fluid and/or future tumor tissue throughout the study. Genomic and immune profiling analyses will be performed on these specimens over time that, in combination with imaging and patient-survey measures, can predict early response or recurrence to treatment (“liquid biopsy” tools) and improve the understanding of why some tumors become resistant to therapy.

Location: Nationwide Children’s Hospital - Ohio
Proposal: Identification of multimodal biomarkers of response, recurrence, and resistance to targeted therapy in a molecularly-guided phase II umbrella trial for pediatric high-grade glioma, including diffuse midline glioma
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