Evaluation of the Modified Atkins Diet in Children With Epileptic Spasms

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE2/PHASE3

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-01-15

Study Completion Date

2022-03-31

Brief Summary

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Epileptic spasms are a difficult to treat epileptic condition in young children. The first line treatment is hormonal treatment, in the form of ACTH or oral steroids, which are effective in 60-70% of children. The condition does not respond well to other anti-epileptic drugs except vigabatrin which is not approved and hence has limited availability and high cost in India. The ketogenic diet, a high fat low carbohydrate diet has been found to be effective in refractory childhood epilepsy especially epileptic spasms. However, the ketogenic diet restricts calories and proteins and required strict weighing of foods. The modified Atkins diet (MAD) is a less restrictive diet which is easier for the parents to prepare and for the children to consume. In this study, it is planned to evaluate the efficacy of the MAD in children with epileptic spasms refractory to hormonal treatment in a randomized controlled trial.

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Detailed Description

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Epileptic spasms comprise an infantile epileptic encephalopathy characterized by hypsarrhythmia on EEG, and frequent neurodevelopmental regression. Unfortunately the treatment of this disorder remains difficult. The first-line options which include hormonal therapy, i.e., adrenocorticotropic hormone (ACTH) or oral corticosteroids, and vigabatrin are effective in 60-70% of the patients. Hormonal therapy is considered the best available treatment. Vigabatrin being expensive and of limited availability is not a feasible option for most patients in our setting. Also, these are associated with significant side effects, and high relapse rates. Newer drugs such as topiramate, zonisamide, and levetiracetam have also been evaluated; however these drugs are less effective than ACTH. The ketogenic diet (KD) is a high fat, low carbohydrate diet. It has been used for treatment of intractable childhood epilepsy. The KD has also been shown in three retrospective studies to be effective for intractable infantile spasms; often after ACTH and vigabatrin have failed. A few previous studies have shown good efficacy of the ketogenic diet on infantile spasms. The traditional ketogenic diet, with 4:1 ratio of fat: carbohydrate + protein has its drawbacks. It restricts calories and fluids, and requires weighing of foods. Protein is generally restricted to 1 g/kg/day, with the majority of remaining calories in the form of fat. This may lead to hypoproteinemia and growth problems. Hospitalization is generally advocated for diet initiation, both for fasting and non-fasting initiation. Side effects of the diet include kidney stones, constipation, acidosis, diminished growth, weight loss, and hyperlipidemia.

The modified Atkins diet is a non-pharmacologic therapy for intractable childhood epilepsy that was designed to be a less restrictive alternative to the traditional ketogenic diet. This diet is started on an outpatient basis without a fast, allows unlimited protein and fat, and does not restrict calories or fluids. Early studies have demonstrated efficacy and safety. Preliminary data have shown efficacy in refractory infantile spasms. Modified Atkins diet may be of special importance in infants, as proteins are not restricted; hence fewer problems with growth are expected. This diet is also ideal for resource-constraint settings with paucity of trained dieticians. Hence this study has been planned to evaluate the efficacy and tolerability of the modified Atkins diet in children with epileptic spasms refractory to hormonal treatment in a randomized controlled trial.

Conditions

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Epileptic Spasms

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized controlled trial

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Diet arm

Modified Atkins diet will be administered with carbohydrate restriction to 10 grams per day. Proteins will be allowed unrestricted and fats will be actively encouraged.

The ongoing antiepileptic medication will be continued unchanged

Group Type EXPERIMENTAL

Modified Atkins diet

Intervention Type OTHER

This is a modified version of the ketogenic diet where-in carbohydrates are restricted without any protein or calorie restriction.

Control

The control group will continue their anti-epileptic medication unchanged with no additional dietary input

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Modified Atkins diet

This is a modified version of the ketogenic diet where-in carbohydrates are restricted without any protein or calorie restriction.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Age 9 months to 3 years
* Presence of epileptic spasms in clusters in child 9 months to \<3years of age, with electroencephalographic evidence of hypsarrhythmia or its variants, persisting, at least one cluster per day, despite treatment with either oral corticosteroids or adrenocorticotrophic hormone (ACTH) and one additional anticonvulsant (valproate/ benzodiazepine/ vigabatrin/ topiramate/ zonisamide/ levetiracetam) for at least 4 weeks.

Exclusion Criteria

* Children with known or suspected inborn error of metabolism
* Children with renal, pulmonary, cardiac or hepatic dysfunction
* Severe malnutrition (weight for length or weight for height less than -3 Z score as per WHO growth charts)
* Motivational or psychosocial issues in the family which might affect the compliance

Minimum Eligible Age

9 Months

Maximum Eligible Age

3 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No