Molecular genetics and metabolism · 2024
Ketogenic diet in adult patients with mitochondrial myopathy.
СтатьяКлиническое исследованиеНазвание и аннотация: Перевод в очереди
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Zweers Heidi E E, Kroesen Sophie H, Beerlink Gijsje, Buit Elke, Gerrits Karlijn, Dorhout Astrid, van Wegberg Annemiek M J, Janssen Mirian C H, Wortmann Saskia B, Timmers Silvie, Saris Christiaan G J
Аннотация
BACKGROUND: This study aimed to explore the feasibility, safety and efficacy of a Modified Atkins Diet (MAD) in patients with mitochondrial myopathy (MM).
METHODS: Patients with genetically proven mitochondrial disorder and exercise intolerance or muscle weakness followed a twelve week MAD. Feasibility was measured by diet duration and ketone levels. Safety was assessed by monitoring adverse events (AE). Efficacy was assessed by a maximal incremental test and a muscle performance test.
RESULTS: Eight out of twenty patients completed the twelve week intervention. Reasons to discontinue were the occurrence of AE: rhabdomyolysis (n = 3), vomiting (n = 1), fatigue (n = 6), constipation (n = 1), in combination with a lack of improvement and adherence difficulties. On an individual level, various positive effects were reported including improvements in VO2peak (n = 6), anaerobic threshold (n = 9), muscle fatigue resistance (n = 5), muscle strength (n = 7), fatigue (n = 6), glucose tolerance (n = 7), migraine (n = 3), sleep (n = 3), and gastrointestinal complaints (n = 2). Lipid profile improved and thirteen patients lost weight. All patients with mitochondrial DNA (mtDNA) deletions, experienced muscle related AE. The five patients with the m.3243A>G mutation achieved the longest diet duration.
DISCUSSION/CONCLUSION: MAD feasibility, safety and efficacy is variable in MD patients. MAD appears to be unsuitable for MD patients with mtDNA deletions. All patients should be monitored closely for adverse events when initiating the diet. Further research should focus on predictive factors to consider the diet, effectiveness of less stringent carbohydrate restricted diets.
METHODS: Patients with genetically proven mitochondrial disorder and exercise intolerance or muscle weakness followed a twelve week MAD. Feasibility was measured by diet duration and ketone levels. Safety was assessed by monitoring adverse events (AE). Efficacy was assessed by a maximal incremental test and a muscle performance test.
RESULTS: Eight out of twenty patients completed the twelve week intervention. Reasons to discontinue were the occurrence of AE: rhabdomyolysis (n = 3), vomiting (n = 1), fatigue (n = 6), constipation (n = 1), in combination with a lack of improvement and adherence difficulties. On an individual level, various positive effects were reported including improvements in VO2peak (n = 6), anaerobic threshold (n = 9), muscle fatigue resistance (n = 5), muscle strength (n = 7), fatigue (n = 6), glucose tolerance (n = 7), migraine (n = 3), sleep (n = 3), and gastrointestinal complaints (n = 2). Lipid profile improved and thirteen patients lost weight. All patients with mitochondrial DNA (mtDNA) deletions, experienced muscle related AE. The five patients with the m.3243A>G mutation achieved the longest diet duration.
DISCUSSION/CONCLUSION: MAD feasibility, safety and efficacy is variable in MD patients. MAD appears to be unsuitable for MD patients with mtDNA deletions. All patients should be monitored closely for adverse events when initiating the diet. Further research should focus on predictive factors to consider the diet, effectiveness of less stringent carbohydrate restricted diets.