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Updated: May 14, 2026

Lipidomics and Transcriptomics in Neurological Diseases
Published on: March 18, 2022
Can children with hyperlipidemia receive ketogenic diet for medication-resistant epilepsy?
Yeou-Mei Christiana Liu1, Helen Lowe, Maria M Zak
1Department of Pediatrics, Division of Neurology, The Hospital for Sick Children, Toronto, Ontario, Canada. christiana.liu@sickkids.ca
Insights
The ketogenic diet, while potentially worsening lipids initially, significantly improved cholesterol and lipoprotein levels in children with hyperlipidemia over 12 months. This suggests the diet can help control lipid levels in both children and adults.
Area of Science:
- Pediatric Endocrinology
- Nutritional Science
- Cardiovascular Health
Background:
- The ketogenic diet, characterized by very-high fat content, is known to potentially exacerbate lipid profiles in individuals with pre-existing hyperlipidemia.
- This diet increases serum lipoproteins and decreases antiatherogenic high-density lipoproteins, posing a risk for cardiovascular health.
Purpose of the Study:
- To evaluate the impact of the ketogenic diet on lipid profiles in children with pre-existing hyperlipidemia.
- To assess the long-term effects of ketogenic diet treatment on total cholesterol, low-density lipoprotein, and high-density lipoprotein levels.
Main Methods:
- A retrospective chart review was conducted on 160 children treated with a ketogenic diet between September 2000 and May 2011.
- Lipid levels (total cholesterol, low-density lipoprotein, triglycerides, high-density lipoprotein, and total cholesterol/high-density lipoprotein ratio) were measured pre-diet and at 3, 6, and 12 months post-initiation.
Main Results:
- Twelve children with pre-existing hyperlipidemia were identified and analyzed.
- Significant reductions in mean total cholesterol, low-density lipoprotein, and total cholesterol/high-density lipoprotein ratio were observed during ketogenic diet treatment.
- Normalization of total cholesterol and low-density lipoprotein levels occurred in a majority of children by 12 months, with diet modifications aiding in achieving healthy lipid levels.
Conclusions:
- The ketogenic diet, with appropriate modifications, can effectively control and normalize lipid levels in children diagnosed with hyperlipidemia.
- Extrapolated data suggests potential efficacy in managing lipid levels for both pediatric and adult populations through ketogenic diet interventions.
Abstract:
The very-high-fat ketogenic diet can worsen lipid levels in children with pre-existing hyperlipidemia by increasing serum lipoproteins and reducing antiatherogenic high-density lipoproteins. A retrospective chart review of 160 children treated with the ketogenic diet from September 2000 to May 2011 was performed. Twelve children with pre-existing hyperlipidemia were identified. Lipid levels including total cholesterol, low-density lipoprotein, triglycerides, high-density lipoprotein, and total cholesterol/high-density lipoprotein were measured pre-diet and at 3, 6, and 12 months of treatment. During treatment, there was a significant reduction in mean total cholesterol, low-density lipoprotein, and total cholesterol/high-density lipoprotein. Total cholesterol and low-density lipoprotein were normalized in 8 and 7 children at 6 months; and 9 and 9 children at 12 months respectively. At 6 and 12 months, tot cholesterol/HDL ratio was normalized in 5 and 7 children respectively. Diet modifications were made to achieve healthy lipid levels. By extrapolating the data, it suggests lipid levels can be controlled in children and adults with ketogenic diet treatment.
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