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Old 10-15-2019, 10:49 AM
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Default Randomized-controlled trial of a modified Mediterranean dietary program for MS

Mult Scler Relat Disord. 2019 Sep 24;36:101403.
doi: 10.1016/j.msard.2019.101403.

Randomized-controlled trial of a modified Mediterranean dietary program for multiple sclerosis: A pilot study.

Katz Sand I1, Benn EKT2, Fabian M3, Fitzgerald KC4, Digga E3, Deshpande R2, Miller A3, Gallo S5, Arab L6.


There is a high level of interest in the potential role of diet among the MS community. There is a limited level of evidence for a Mediterranean-style dietary pattern in MS; the feasibility of conducting studies using educational tools to deliver this type of intervention and study its effects is unknown.

To establish clinical trial feasibility for future studies utilizing educational delivery of a dietary intervention in MS; to explore the effects of a modified Mediterranean dietary intervention in MS.

We randomly assigned women with MS to follow/not follow the prescribed modified Mediterranean dietary intervention for 6 months, delivered through educational sessions. The diet encouraged the intake of fish and other foods high in poly- and monounsaturated fats, fresh fruits, vegetables, and whole grains and eliminated meat, dairy, and most processed foods and limited salt intake to <2 g/day. Primary endpoints related to meeting target enrollment within the specified time frame, adherence, and study completion. Clinical endpoints were evaluated in an exploratory fashion.

We screened 128 potential participants and enrolled 36 within 9 months, surpassing target enrollment of 30 participants at a single center in 1 year. Self-reported adherence was excellent (90.3%), with an overall study completion rate of 94.4%. The intervention group exhibited a statistically significant decline in the trajectory of Neurological Fatigue Index-MS scores (p = 0.01), a trend toward reduced Multiple Sclerosis Impact Scale-29 scores that became significant after outlier removal (p = 0.12; p = 0.023), and a reduction in Expanded Disability Status Scale (p = 0.01) over time as compared to the non-intervention group.

It is reasonable to expect a high level of interest and commitment to this type of dietary intervention study in MS, and feasible to deliver it purely through education in a clinical setting with high adherence levels despite restrictive requirements. In this pilot study, a modified Mediterranean dietary intervention reduced fatigue, impact of MS symptoms, and disability. Further work is needed.

Clinical trial; Diet; Fatigue; Mediterranean; Multiple sclerosis
Dave Bexfield
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