- The ketogenic diet is described in the sources as a high-fat, low-carbohydrate dietary pattern studied in cancer across prevention, treatment, and survivorship contexts. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28]28 sources
- The sources discuss ketogenic diets in cancer mainly as a metabolic strategy studied in glioblastoma, lung cancer, breast cancer, and broader cancer reviews. [29][30][31][32][33][34]6 sources
- The sources include studies of ketogenic diets in cancer survivors, glioma, liver cancer, and cancer-related biomarkers. [35][36][37][38][39]5 sources
- The sources include clinical cancer studies of ketogenic diets used alongside surgery, radiotherapy, chemotherapy, or targeted therapy, and reviews reporting outcomes such as body composition and quality of life. [4][6][8][40][5]5 sources
- The sources describe ketogenic or very-low-carbohydrate diets as being studied in advanced cancer, endometrial cancer, breast cancer models, and hepatocellular carcinoma immunotherapy settings. [41][42][43][44][45]5 sources
- The sources describe ketogenic diet research in cancer across prevention, tumor growth, and cancer-survivor use contexts. [46][47][48][49][50]5 sources
- One source describes ketogenic diets as reprogramming energy metabolism from glucose to ketone bodies, including acetoacetate and β-hydroxybutyrate, and another reports elevated circulating β-hydroxybutyrate with ketogenic diet feeding. [51][52][53][54][55]5 sources
- The sources discuss ketogenic diet research in cancer mainly in glioma and hepatocellular carcinoma, with additional discussion of broader cancer treatment contexts. [26][27][56][28][57]5 sources
- The sources report that ketogenic diets have been studied in cancer across several settings, including during chemotherapy, during radiotherapy, and in breast, pancreatic, rectal, head and neck, and prostate cancer contexts. [9][58][59][11]4 sources
- The cancer evidence in the provided sources includes controlled clinical trials, glioma studies, and a prospective cohort meta-analysis of low-carbohydrate dietary patterns and cancer mortality. [60][61][62]3 sources
- The sources discuss ketogenic diet-related research in colorectal cancer, brain tumors, and cancer-associated cachexia. [63][64][65]3 sources
- The sources state that ketogenic diets were originally developed for intractable epilepsy and are also discussed as a weight-loss pattern and as a cancer-related research topic. [20][21][22]3 sources
- The cancer-focused sources discuss ketogenic diets in relation to tumor metabolism, immunotherapy outcomes, and ketone-body biology, and one source describes ketogenic diets as an adjunct strategy rather than a standard treatment. [66][21][22]3 sources
- In cancer-related reviews, the ketogenic diet is discussed as an area of research for possible effects on tumor biology, immunotherapy response, and interactions with standard cancer treatments. [67][24][23]3 sources
- The sources also note that evidence remains uncertain and that more thorough testing or larger studies are needed before broad application in patients. [67][24][23]3 sources
- The cancer-focused sources include randomized and non-randomized studies in people with several cancer types, including breast cancer, glioblastoma or gliosarcoma, ovarian or endometrial cancer, pancreatic biliary cancer, rectal cancer, colorectal cancer, and mixed cancer groups. [1][68]
- The cancer meta-analyses report that study durations ranged from 6 days to 24 weeks in one review and from 4 to 16 weeks in another review. [1][68]
- Ketogenic diets are described in the sources as high-fat, low-carbohydrate diets, and several different ketogenic diet types were used in the cancer studies, including classic ketogenic diet, modified Atkins diet, medium-chain triglyceride ketogenic diet, and modified ketogenic diet. [61][60]
- The sources describe ketogenic diet studies in cancer as mostly small and heterogeneous, with evidence that is limited for many outcomes. [69][70]
- The sources describe the ketogenic diet as a high-fat, low-carbohydrate diet, and one source discusses ketone bodies including β-hydroxybutyrate in the context of ketogenic therapy. [71][72]
- The 2025 EASO position statement says evidence on ketogenic diet use in cancer is limited and inconsistent. [73]
- The 2026 systematic review of systematic reviews and meta-analyses describes the ketogenic diet as a low-carbohydrate, high-fat diet that induces ketosis. [74]
- The 2022 glioblastoma guideline says ketogenic diet is not suggested as a stand-alone therapy for adult patients with progressive glioblastoma. [75]
- One review focused on malignant glioma described ketogenic metabolic therapy as a nutritional intervention using ketogenic or low-glycemic diets. [76]
- A 2026 preliminary randomized trial in gynecologic malignancies studied a modified Atkins-style ketogenic diet during radiotherapy. [77]
- The sources describe the ketogenic diet as a dietary pattern that lowers carbohydrate intake and shifts the body toward ketone production. [33]
- The sources state that ketogenic diets are not integrated into standard glioblastoma guidelines. [34]
- The breast cancer review says ketogenic diets are being discussed as part of precision nutrition, but clinical translation is still at an early stage. [31]
- In cancer-related literature, one review states that ketogenic diet interventions have been studied in breast cancer care and are discussed as part of medical nutrition therapy. [78]
- Another review states that dietary interventions including the ketogenic diet have been discussed as potential adjuvant therapies in cancer and other immune-related conditions. [79]
- The sources describe ketogenic diets as high-fat, low-carbohydrate diets that increase ketone body production, including beta-hydroxybutyrate, through increased fatty acid oxidation. [63]
- The 2026 scoping review found limited evidence for ketogenic diet interventions in advanced cancer and stated that evidence was insufficient for definitive recommendations. [41]
- In an Irish survey of cancer survivors, 15.5% of respondents who reported using biologically based complementary and alternative medicine said they had used a ketogenic diet. [49]
- A 2025 review discussed ketogenic diets among chrononutrition approaches for obesity-related cancers and stated that future research should focus on integrating chrononutritional strategies into clinical practice. [80]
Show 3 lab & early-research findings
- The sources discuss ketogenic diets in cancer across preclinical studies and some clinical or translational contexts, but the evidence base is mixed by cancer type and setting. [53][51][81][55][52]5 sources
- Among the provided sources, there is detailed evidence for colorectal cancer in a mouse model and a systematic review of pediatric brain tumors, along with broader review-level discussion of chemotherapy toxicities and cancer cachexia. [82][15][14][17]4 sources
- The sources describe ketogenic diet research in cancer as relying largely on preclinical studies and small clinical studies, with discussion including glioblastoma, breast and ovarian cancers, pancreatic cancer, prostate cancer, and neuroendocrine neoplasms. [83][84][85]3 sources