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Ketogenic diet in relapsing multiple sclerosis: Patient perceptions, post-trial diet adherence & outcomes.


ABSTRACT:

Background

Ketogenic diets (KDs) are safe and tolerable in people with multiple sclerosis (MS). While many patient-reported and clinical benefits are noted, the sustainability of these diets outside of a clinical trial is unknown.

Aims

Evaluate patient perceptions of the KD following intervention, determine the degree of adherence to KDs post-trial, and examine what factors increase the likelihood of KD continuation following the structured diet intervention trial.

Methods

Sixty-five subjects with relapsing MS previously enrolled into a 6-month prospective, intention-to-treat KD intervention. Following the 6-month trial, subjects were asked to return for a 3-month post-study follow-up, at which time patient reported outcomes, dietary recall, clinical outcome measures, and laboratory values were repeated. In addition, subjects completed a survey to evaluate sustained and attenuated benefits following completion of the intervention phase of the trial.

Results

Fifty-two subjects (81%) returned for the 3-month post-KD intervention visit. Twenty-one percent reported continued adherence to a strict KD and an additional 37% reported adhering to a liberalized, less restrictive form of the KD. Those subjects with greater reductions in body mass index (BMI) and fatigue at 6-months on-diet were more likely to continue on KD following trial completion. Using intention-to-treat analysis, patient-reported and clinical outcomes at 3-months post-trial remained significantly improved from baseline (pre-KD), though the degree of improvement was slightly attenuated relative to outcomes at 6-months on KD. Regardless of diet type following the KD intervention, dietary patterns shifted toward greater protein and polyunsaturated fats and less carbohydrate/added sugar consumption.

Conclusions

Following the 6-month KD intervention study, the majority of subjects elected to continue on KD, though many pursued a more liberal limit for carbohydrate restriction. Those who experienced a greater reduction in BMI or fatigue were more likely to continue with strict KD. The 6-month KD intervention induced persistent changes to dietary habits in the months following study completion.

Trial registration information

Registered on Clinicaltrials.gov under registration number NCT03718247, posted on Oct 24, 2018. First patient enrollment date: Nov 1, 2018. Link: https://clinicaltrials.gov/ct2/show/NCT03718247?term=NCT03718247&draw=2&rank=1.

SUBMITTER: Wetmore E 

PROVIDER: S-EPMC10528668 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature

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Publications

Ketogenic diet in relapsing multiple sclerosis: Patient perceptions, post-trial diet adherence & outcomes.

Wetmore Emma E   Lehner-Gulotta Diana D   Florenzo Brian B   Banwell Brenda B   Bergqvist A G Christina AGC   Coleman Rachael R   Conaway Mark M   Goldman Myla D MD   Brenton J Nicholas JN  

Clinical nutrition (Edinburgh, Scotland) 20230704 8


<h4>Background</h4>Ketogenic diets (KDs) are safe and tolerable in people with multiple sclerosis (MS). While many patient-reported and clinical benefits are noted, the sustainability of these diets outside of a clinical trial is unknown.<h4>Aims</h4>Evaluate patient perceptions of the KD following intervention, determine the degree of adherence to KDs post-trial, and examine what factors increase the likelihood of KD continuation following the structured diet intervention trial.<h4>Methods</h4>  ...[more]

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