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The Effectiveness of Modified Mediterranean and Traditional Persian Diets in Fatigue and Depressive Severity in People With Multiple Sclerosis: A Randomized Controlled Clinical Trial Publisher Pubmed



Sharifi MH1, 2 ; Poursadeghfard M3 ; Afshari M2 ; Alizadeh Z4 ; Vatanpour M5 ; Soltani M4, 6 ; Molavi Vardanjani H1 ; Jaladat AM1 ; Nimrouzi M1
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Authors Affiliations
  1. 1. Research Center for Traditional Medicine and History of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
  2. 2. Non-Communicable Diseases Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
  3. 3. Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  4. 4. Imam Reza Specialized and Subspecialized Polyclinic, Shiraz University of Medical Sciences, Shiraz, Iran
  5. 5. Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
  6. 6. Department of Clinical Nutrition, Tehran University of Medical Sciences, Tehran, Iran

Source: Iranian Journal of Medical Sciences Published:2025


Abstract

Background: Research into managing depression and fatigue, two typical symptoms of multiple sclerosis (MS), is constantly expanding. This study aimed to assess the efficacy of the modified Mediterranean (MED) diet or the Traditional Persian (TP) diet in terms of fatigue and depression severity in patients with MS. Methods: In this single-center, single-blind, randomized clinical trial, 90 patients were enrolled. The patients were randomly assigned to either the MED or TP diet intervention and control groups for two months between July 2022 and February 2023, in Shiraz, Iran. The Krupp Questionnaire for Fatigue Severity Scale and the Beck Depression questionnaire were used. The Chi square test, Kruskal-Wallis test, One-way ANOVA, and backward elimination technique were employed. STATA statistical software (version 17) was utilized for data analysis. P≤0.05 was considered statistically significant. Results: The mean age of 90 participants was 35.64±9.12, and 82.2% were women. The analysis revealed a negative correlation between fatigue severity and MED diet intervention (-4.17 [-8.18-0.16]; P=0.04). However, there was no association between fatigue severity and TP diet intervention (-3.82 [-7.96, 0.32]; P=0.07). The analysis showed that there was a statistically significant relationship between lower depression scores and TP diet intervention (-2.89 [-5.59,-0.19]; P=0.03). However, there was no association between depression scores and MED diet intervention (P=0.22). Lower depression score was also associated with older age and higher socioeconomic status (P=0.002 and P=0.006). It was also shown that longer duration of disease (P=0.05) and higher fatigue severity (P=0.001) were associated with higher depression scores. Conclusion: Adhering to the MED diet could reduce fatigue scores in MS patients while having no effect on the depression score. In contrast, adhering to the TP diet recommendation could reduce depression scores without affecting fatigue scores in MS patients. © Iranian Journal of Medical Sciences.
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