P17.11.A Experience of ketogenic diet with support of liquid formula 3:1 and high-grade gliomas: Case series

alexandrossfakianakis shared this article with you from Inoreader P17.11.A Experience of ketogenic diet with support of liquid formula 3:1 and high-grade gliomas: Case series via # Neuro-Oncology Current Issue Abstract Background High-grade gliomas, including glioblastoma, are the most common primary malignant brain tumors in adults. Despite the efforts to develop new therapies, treatment options remain limited and the prognosis is poor. Ketogenic diet, is an emerging complementary therapy for high-grade gliomas. It is hypothesized that through the change of the energy source from glucose to ketones and the inability of glioma cells to metabolize ketone bodies with the same ease due to inefficient oxidative phosphorylation, tumor growth is slowed. The feasibility of a ketogenic diet is a matter of concern. Its influence on the quality of life of patients with advanced cancers showing that even though it may cause constipation and reflux, quality of life is generally not affected Material and Methods We reported a case series of patients with high-grade gliomas using ketogenic diet with liquid formula 3:1 ratio (KDS) as a complementary treatme nt. We describe baseline characteristics, and EORTC-QLQ30 score and symptom evaluation Results We describe the case of 3 patients (2 women and 1 man) with diagnoses of grade 4 glioblastoma (2) and grade 3 oligodendroglioma (1), mean age 46.7 years (38- 56 years), ECOG 1 (2) and ECOG2 (1), gross tumor resection (1 glioblastoma patient), subtotal resection (1 glioblastoma patient), and biopsy (1 oligodendroglioma patient). All patients received radiotherapy, 66.7% (n=2) stupp protocol, and 33.3% (n=1) received hypofractionated therapy and adjuvant treatment with temozolomide. All patients received first line with temozolomide, and 33.3% received a total of four lines of chemotherapy. All the patients were fed orally and managed with KDS at the last progression. Median follow up time was 4 months. KDS didn't impact corporal weight and a positive impact was noted in seizure episodes (> 3 per day before vs < 3 per day after DKS) and quality of life (EORTC-QLQ30 61,3 [60 - 66,8] at the begining vs 70,9 [69,8 - 71,2] at the last visit). Regarding tolerance, one patient presented diarrhea and/or constipation grade 1 the first 5 days of treatment. Compliance was measured by days with a median adherence of 90%. Current disease status is stable disease (RANO criteria) in the three patients. Conclusion KDS could be an interesting therapy complementary to standard treatment in patients with high grade gliomas, especially in those patients who debut with seizures, improving quality of life and number of convulsive crises. More studies in adult patients are required to confirm this hypothesis View on Web

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