Iwona Żarnowska · Nutrients 2020 · narrative review · n=?

Therapeutic Use of the Ketogenic Diet in Refractory Epilepsy: What We Know and What Still Needs to Be Learned

Cited 124 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Narrative review without systematic methodology or primary human data

OpenAlex W3080376907 · doi:10.3390/nu12092616 · record verified 2026-08-27

What was done

This narrative review synthesizes historical and clinical applications of the ketogenic diet and its modified variants (such as the modified Atkins diet and low-glycemic-index treatment) for refractory epilepsy, examining proposed mechanisms, clinical utility, and implementation barriers.

What was found

The abstract reports no primary quantitative data, sample sizes, or effect estimates. It qualitatively describes that ketogenic diets offer seizure protection in difficult-to-treat epilepsy by fundamentally shifting cerebral energy production from carbohydrates to fat.

Why it matters

Refractory epilepsy remains difficult to manage despite modern anti-seizure medications. Summarizing metabolic dietary strategies outlines alternative therapeutic pathways when standard pharmacotherapy fails.

Limits

The abstract provides no primary data, systematic search protocol, quantitative response rates, or safety metrics. The precise underlying mechanisms and real-world implementation hurdles remain incompletely characterized.

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