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PRO-DEMET Randomized Controlled Trial on Probiotics in Depression-Pilot Study Results.
Gawlik-Kotelnicka, O, Margulska, A, Skowrońska, A, Strzelecki, D
Nutrients. 2023;15(6)
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Depression often coexists with metabolic abnormalities, and metabolic syndrome (MetS) is diagnosed in 30% of depressed subjects. Importantly, both obesity and MetS have been found to be independently associated with depressive symptoms and inflammation. The aim of this study was to investigate the effect of probiotics in the treatment of depressive disorders with possible comorbid MetS and its components. This study was an internal feasibility study based on the main randomised study - a single-centre, parallel-group, prospective, randomised, double-blind, placebo-controlled pilot trial. Adult patients (≥18 years) with depressive disorders were randomly assigned (1:1) into either the placebo or probiotic group. Results showed a positive association between probiotics supplementation and psychometric parameters together with the metabolic profile, serum inflammation markers, and biomarkers of metabolic-associated fatty liver disease in patients with depressive disorders. Authors conclude that the findings of their study would be suitable for determining the potential clinical use of probiotics and assessing certain key factors such as potential biomarkers of response.
Abstract
There is a pressing need to identify new treatment options for depression and its comorbidities. Depression often coexists with metabolic complications, and the two may share a pathophysiological overlap, including inflammation and microbiota changes. Microbiota interventions (e.g., probiotics) may represent a safe and easy-to-use treatment option as an adjunctive therapy in patients only partially responsive to pharmacologic treatment. (1) Objective: The paper presents the results of a feasibility and pilot study. The study is an internal part of a randomized controlled trail (RCT) of the effect of probiotic supplementation on psychometric, anthropometric, metabolic, and inflammatory parameters in adult patients with depressive disorders depending on the presence of metabolic syndrome. (2) Methods: The trial has a four-arm, parallel-group, prospective, randomized, double-blind, controlled design. Sixty participants received a probiotic preparation containing Lactobacillus helveticus Rosell®-52 and Bifidobacterium longum Rosell®-175 over 60 days. The feasibility of the study design was assessed, as well as the rates of recruitment, eligibility, consent, and study completion. The following were assessed: depressive, anxiety and stress symptoms, quality of life, blood pressure, body mass index and waist circumference, complete blood count with differential, serum levels of C-reactive protein, high-density lipoprotein cholesterol, triglycerides, fasting glucose, some secondary markers of inflammation and metabolic health, as well as noninvasive biomarkers of liver fibrosis (APRI and FIB-4). (3) Results: The study was found to be generally feasible. The eligibility rate was 52% of recruited participants with 80% completing the study protocol. No differences in sociodemographic or anthropometric factors or basic laboratory findings were found between the placebo and probiotic group at the start of the intervention period. Importantly, the proportion of recruited participants fulfilling the criteria of metabolic syndrome was too low. (4) Conclusions: Whilst the whole study protocol was feasible, some different timepoint procedures require modification. The major weakness of the recruitment methods was that the percentage of metabolic arms participants was insufficient. Overall, the full RCT design on probiotics in depression with vs. without metabolic syndrome was shown to be feasible with little modification.
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Metabolic impact of a nutrition education program for the promotion of fruit and vegetable consumption with people with severe mental disorders (DIETMENT).
Foguet-Boreu, Q, Vilamala-Orra, M, Vaqué-Crusellas, C, Roura-Poch, P, Assens Tauste, M, Bori Vila, J, Santos-López, JM, Del Río Sáez, R
BMC research notes. 2022;15(1):122
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In patients with severe mental disorders, motivation to follow a healthy diet and lifestyle might be low. A diet rich in fruits and vegetables may improve metabolic syndrome, cardiovascular health and mental health. This randomised community-based clinical trial included seventy-four patients with severe mental disorders out of which 37.8% of the participants had schizophrenia or related disorders, 29.7% had bipolar disorder, 25.7% had depressive disorder, 4.1% had a personality disorder, and 2.7% had obsessive-compulsive disorder. The intervention group followed a four-week food education programme (DIETMENT) aimed at promoting fruit and vegetable consumption. A five-month post-intervention analysis showed no increase in participants diagnosed with metabolic syndrome in the intervention group, but an increase in participants diagnosed with metabolic syndrome in the control group. There was a significant reduction in the glomerular filtrate rate in the intervention group. In patients with severe mental disorders, more studies should be conducted to examine the health-promoting effects of adding more fruits and vegetables to the diet. Health professionals can use the results of this study to understand how fruits and vegetables contribute to reducing metabolic syndrome and heart disease risk.
Abstract
OBJECTIVES The aim of this study is to determine the metabolic impact of a nutrition education program on metabolic parameters and the presence of metabolic syndrome (MetS). RESULTS Seventy-four patients were included (mean age, 48.7 years [Standard deviation, SD: 10.8], 55.4% men). The diagnoses of SMD were 37.8% schizophrenia and related disorders; 29.7% bipolar disorder; 25.7% depressive disorder; 4.1% personality disorders; and 2.7% obsessive compulsive disorders. Thirty-seven individuals were distributed in both the intervention group (IG) and the control group (CG). In the IG the presence of MetS was 56.3% and in the CG 46.7%, with no statistically significant difference (p = 0.309). At the end of the study, glomerular filtrate decreased in the IG, body mass index and abdominal perimeter increased in both groups, and there were no changes in metabolic parameters between the groups. Between the baseline and the end of the study, there was no increase in the number of patients diagnosed with MetS (14 at both points); and in the CG the increase was from 8 to 12 (p = 0.005). An intervention based on fruit and vegetable intake could prevent progression to MetS in individuals with SMD, decreasing the likelihood of cardiovascular disease. Trial registration The trial was retrospectively registered on International Standard Randomised Controlled Trial Number (ISRCTN) Register on 11 March 2022 (ISRCTN12024347).
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Impact of α-Linolenic Acid, the Vegetable ω-3 Fatty Acid, on Cardiovascular Disease and Cognition.
Sala-Vila, A, Fleming, J, Kris-Etherton, P, Ros, E
Advances in nutrition (Bethesda, Md.). 2022;13(5):1584-1602
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α-Linolenic acid (ALA) is an omega-3 fatty acid found in seeds and nuts such as flaxseeds, chia seeds, and walnuts and in oils such as canola oil, soybean oil, flaxseed oil and walnut oil. It has been shown to reduce the risk of coronary heart disease and cardiovascular disease. This meta-analysis examined the results of various studies, including epidemiologic studies, randomized controlled trials, and systematic reviews, to evaluate the beneficial effects of ALA in improving cognitive function and reducing the risk of cardiovascular disease and coronary heart disease. The included studies showed a correlation between ALA intake and a decreased risk of cardiovascular disease and coronary heart disease, possibly due to ALA's anti-inflammatory properties, as well as its ability to reduce total cholesterol, LDL cholesterol, triglycerides, and blood pressure. The analysis also found that ALA intake may reduce the risk of type 2 diabetes and cognitive impairment. Healthcare professionals can leverage the findings of this analysis to educate individuals about the benefits of dietary ALA in improving cardiovascular and cognitive outcomes. However, further studies are necessary to establish definitive conclusions and determine therapeutic dosage.
Abstract
Given the evidence of the health benefits of plant-based diets and long-chain n-3 (ω-3) fatty acids, there is keen interest in better understanding the role of α-linolenic acid (ALA), a plant-derived n-3 fatty acid, on cardiometabolic diseases and cognition. There is increasing evidence for ALA largely based on its major food sources (i.e., walnuts and flaxseed); however, this lags behind our understanding of long-chain n-3 fatty acids. Meta-analyses of observational studies have shown that increasing dietary ALA is associated with a 10% lower risk of total cardiovascular disease and a 20% reduced risk of fatal coronary heart disease. Three randomized controlled trials (RCTs) [AlphaOmega trial, Prevención con Dieta Mediterránea (PREDIMED) trial, and Lyon Diet Heart Study] all showed benefits of diets high in ALA on cardiovascular-related outcomes, but the AlphaOmega trial, designed to specifically evaluate ALA effects, only showed a trend for benefit. RCTs have shown that dietary ALA reduced total cholesterol, LDL cholesterol, triglycerides, and blood pressure, and epidemiologic studies and some trials also have shown an anti-inflammatory effect of ALA, which collectively account for, in part, the cardiovascular benefits of ALA. A meta-analysis reported a trend toward diabetes risk reduction with both dietary and biomarker ALA. For metabolic syndrome and obesity, the evidence for ALA benefits is inconclusive. The role of ALA in cognition is in the early stages but shows promising evidence of counteracting cognitive impairment. Much has been learned about the health benefits of ALA and with additional research we will be better positioned to make strong evidence-based dietary recommendations for the reduction of many chronic diseases.
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Efficacy and Safety of Q10 Ubiquinol With Vitamins B and E in Neurodevelopmental Disorders: A Retrospective Chart Review.
Cucinotta, F, Ricciardello, A, Turriziani, L, Mancini, A, Keller, R, Sacco, R, Persico, AM
Frontiers in psychiatry. 2022;13:829516
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The literature shows that oxidative stress represents a shared feature present in many brain disorders and more specifically in neurodevelopmental disorders (NDDs) including autism spectrum disorder, attention-deficit/hyperactivity disorder, and intellectual disability. The aim of this study was to verify retrospectively the clinical efficacy and safety of a metabolic support therapy (MST) with coenzyme Q10 (Q10 ubiquinol), vitamin E and complex-B vitamins in various neurodevelopmental disorders. This study is a retrospective chart review of 59 patients with NDDs. Results show that in terms of efficacy, MST was associated with clinical improvement in 45/59 (76.27%) patients. Whereas in terms of safety, side effects were mild and always manageable. Thus, this study provides retrospective evidence of efficacy and tolerability for a MST encompassing Q10-ubiquinol, vitamin E and complex-B vitamins in patients with different neurodevelopmental disorders. Authors conclude that their findings encourage further investigations of MST efficacy in neurodevelopmental disorders in order to confirm the generalisability of the study’s observations, verifying both efficacy, safety, treatment response rates and therapeutic effect size, separately in each major neurodevelopmental disorder.
Expert Review
Conflicts of interest:
None
Take Home Message:
- Oxidative stress and mitochondrial dysfunction are reported to play a role in brain and neurological disorders.
- This retrospective chart review suggests that metabolic support therapy with Q10 ubiquinol, vitamin E and complex-B vitamins is well tolerated and produces some improvement in most patients with neurodevelopmental disorders, especially in the presence of intellectual disability.
Evidence Category:
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A: Meta-analyses, position-stands, randomized-controlled trials (RCTs)
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B: Systematic reviews including RCTs of limited number
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C: Non-randomized trials, observational studies, narrative reviews
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D: Case-reports, evidence-based clinical findings
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E: Opinion piece, other
Summary Review:
Introduction
A retrospective chart review study was conducted on the clinical efficacy and safety of metabolic support therapy (MST) with Q10 ubiquinol, vitamin E and complex-B vitamins in various neurodevelopmental disorders.
59 patients (49 Children and 6 Adults) between the ages of 2.5–39 years old diagnosed with Autism Spectrum Disorder (n=17), Autism Spectrum Disorder with co-morbid Intellectual Disability (n=19), Intellectual Disability or Global Developmental Delay (n=15), Attention-Deficit/Hyperactivity Disorder (n=3), and Intellectual Disability in Phelan-McDermid syndrome due to chr. 22q13.33 deletions (n=5) were included in the study.
Methods
Participants received 50-100mg Q10 ubiquinol, 30-60mg of vitamin E, 5.5mg-11mg of nicotinamide, 3mg-6mg of dexpanthenol, 0.45mg-0.09mg of riboflavin-5’-sodium phosphate, 5mg-10mg of inositol, pyridoxine hydrochloride, and 0.07mcg -1.40mcg of cyanocobalamin for three months. Different dosage levels were administered based on the participant’s body weight and the maximum daily allowance stated by Italy’s Ministry of Health. Patients remained on their prescribed antipsychotic medications during the study.
The Clinical Global Impression of Severity (CGI-S) scale, as well as the Clinical Global Impression of Improvement (CGI-I) scale was assessed by experienced Child and Adolescent or Adult Psychiatrists.
The clinical diagnosis was further confirmed using the Autism Diagnostic Observation Schedule – 2nd ed (ADOS-2) and the Autism Diagnostic Interview-Revised (ADIR) for ASD, the Griffiths Mental Development Scale (GMDS) for GDD, a cognitive test (Leiter-R,WPPSI-III,WISC-IV,WAISIV) for ID, the Conners Parent Rating Scale (CPRS) also in Teacher version (TRF) and the Batteria Italiana per l’ADHD (BIA) for ADHD.
At the endpoint, 45/59 (76.2%) of the subjects completed the study. No reasons were given for dropouts.
Results
Primary clinical outcomes were:
- Most widespread improvements were recorded in cognition (n=26 44,1%), adaptive functioning (n=26 44,1%) and social motivation (n=19 32.2%).
- Based on clinical chart reviews 45/59 (76.27%) patients responded to MST according to Clinical Global Impression of Severity scores.
- One 13-year-old boy with an intellectual disability, gained over 20 IQ points after consuming metabolic support therapy for 6 months.
- Mild side effects of hyperactivity and insomnia were reported in 18/59 (30%) of patients.
Clinical practice applications:
- Pharmacological treatments are prescribed to correct comorbid symptoms like sleep disorders, aggressiveness, and irritability in neurodevelopmental disorders like ASD. The efficacy of these treatments displays great interindividual variability depending not only on the treatment approach, therapist experience, and therapeutic setting but also on the genetic background of the patient.
- Oxidative stress and mitochondrial dysfunction have been described in many different brain and neurological disorders.
- Minimising the mitochondrial dysfunction produced by oxidative stress damage in brain disorders, while not directly correcting the primary mechanism responsible for the pathology, may nonetheless help to improve the clinical condition, acting as an indirect therapy.
- This study provides preliminary evidence of the efficacy and tolerability of a ‘metabolic support therapy’ encompassing Q10- ubiquinol, Vitamin E and complex-B vitamins in patients with different neurological disorders.
Considerations for future research:
- This study was based on a retrospective design using a small sample size.
- Randomised controlled trials for each single neurodevelopmental disorder are needed to conclusively demonstrate the efficacy of these mitochondrial bioenergetic and antioxidant agents and to estimate their therapeutic effect size.
Abstract
Increased oxidative stress and defective mitochondrial functioning are shared features among many brain disorders. The aim of this study was to verify retrospectively the clinical efficacy and safety of a metabolic support therapy with Q10 ubiquinol, vitamin E and complex-B vitamins in various neurodevelopmental disorders. This retrospective chart review study included 59 patients (mean age 10.1 ± 1.2 y.o., range 2.5-39 years; M:F = 2.47:1), diagnosed with Autism Spectrum Disorder (n = 17), Autism Spectrum Disorder with co-morbid Intellectual Disability (n = 19), Intellectual Disability or Global Developmental Delay (n = 15), Attention-Deficit/Hyperactivity Disorder (n = 3) and Intellectual Disability in Phelan-McDermid syndrome due to chr. 22q13.33 deletion (n = 5). After a minimum of 3 months of therapy, a positive outcome was recorded in 45/59 (76.27%) patients, with Clinical Global Impression-Improvement scores ranging between 1 ("very much improved") and 3 ("minimally improved"). The most widespread improvements were recorded in cognition (n = 26, 44.1%), adaptative functioning (n = 26, 44.1%) and social motivation (n = 19, 32.2%). Improvement rates differed by diagnosis, being observed most consistently in Phelan-McDermid Syndrome (5/5, 100%), followed by Intellectual Disability/Global Developmental Delay (13/15, 86.7%), Autism Spectrum Disorder with co-morbid Intellectual Disability (15/19, 78.9%), Autism Spectrum Disorder (11/17, 64.7%) and ADHD (1/3, 33.3%). No significant adverse event or side effect leading to treatment discontinuation were recorded. Mild side effects were reported in 18 (30.5%) patients, with the most frequent being increased hyperactivity (9/59, 15.3%). This retrospective chart review suggests that metabolic support therapy with Q10 ubiquinol, vitamin E and complex-B vitamins is well tolerated and produces some improvement in the majority of patients with neurodevelopmental disorders, especially in the presence of intellectual disability. Randomized controlled trials for each single neurodevelopmental disorder are now warranted to conclusively demonstrate the efficacy of these mitochondrial bioenergetic and antioxidant agents and to estimate their therapeutic effect size.
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Amino Acids, B Vitamins, and Choline May Independently and Collaboratively Influence the Incidence and Core Symptoms of Autism Spectrum Disorder.
Jennings, L, Basiri, R
Nutrients. 2022;14(14)
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Autistic disorder, Asperger syndrome, and pervasive developmental disorder can be categorized under autism spectrum disorder (ASD). ASD can result in restrictive, repetitive, and stereotypical behaviour patterns and cause impairments in social interaction and verbal and nonverbal communication. The aim of this study was to examine the effects of nutritional status and supplementation on the incidence and or severity of ASD symptoms using currently available resources. This study is a literature review of fifteen studies. Results show that children with ASD have higher rates of abnormal amino acids and lower blood levels of choline, vitamin B6, vitamin B12, and folate when compared to those without ASD. Furthermore, increasing dietary intake of choline could improve anxious behaviours, receptive language skills, social behaviour, sensory processing, and other symptoms which rely on ion transport in individuals with ASD. Authors conclude that altering nutritional status can be an affordable and effective way to prevent ASD and improve the quality of life for families and individuals impacted by ASD.
Abstract
Autism spectrum disorder (ASD) is a developmental disorder of variable severity, characterized by difficulties in social interaction, communication, and restricted or repetitive patterns of thought and behavior. In 2018, the incidence of ASD was 2.4 times higher than estimated in 2000. Behavior and brain development abnormalities are present in the complex disorder of ASD. Nutritional status plays a key role in the incidence and severity of the core symptoms of ASD. The aim of this study was to review the available peer-reviewed studies that evaluated the relationship between amino acids, choline, B vitamins, and ASD incidence and/or severity of symptoms. Through examining plasma profiles, urine samples, and dietary intake, researchers found that low choline, abnormal amino acid, and low B vitamin levels were present in children with ASD compared to those without ASD. The evidence supports the need for future research that implements simultaneous supplementation of all essential nutrients in individuals with ASD and among prenatal mothers. Future evidence could lead to scientific breakthroughs, ultimately reducing the rates of ASD incidence and severity of symptoms by applying nutritional interventions in at-risk populations.
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A Randomized Controlled Trial of Fasting and Lifestyle Modification in Patients with Metabolic Syndrome: Effects on Patient-Reported Outcomes.
Jeitler, M, Lauche, R, Hohmann, C, Choi, KA, Schneider, N, Steckhan, N, Rathjens, F, Anheyer, D, Paul, A, von Scheidt, C, et al
Nutrients. 2022;14(17)
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The metabolic syndrome (MetS) is a condition characterized by the presence of at least three cardiovascular risk factors, such as abdominal obesity, hypertension, insulin resistance, and dyslipidaemia. The aim of this study was to assess effects of fasting followed by the Mind-Body Medicine in Integrative and Complementary Medicine (MICOM) lifestyle modification intervention in patients with MetS on patient-reported outcomes, compared to a lifestyle modification intervention only. This study is a single-blind, bicentre, randomized controlled study. Patients (n=145) were randomly assigned in a 1:1 ratio into one of the 2 groups: fasting and lifestyle modification or the lifestyle modification. They started with 2 vegan days (max. 1200 kcal/day), followed by 5 days of fasting (max. 350 kcal/day), and a stepwise reintroduction of food. Then they participated in the 10-week MICOM comprehensive multimodal lifestyle modification intervention with weekly 6-h sessions. Results show that after the multimodal lifestyle modification intervention, there were improvements for all outcome measures, namely quality of life, anxiety, depression, stress, mood as well as self-efficacy, mindfulness, and self-compassion, which persisted at the follow-up after 24 weeks. Authors conclude that their findings show beneficial and clinically relevant effects of fasting and intensified lifestyle modification on quality of life and psychological parameters.
Expert Review
Conflicts of interest:
None
Take Home Message:
For clients with Metabolic syndrome a 5-day fast consisting of max. 350 kcal/day, in conjunction with therapies that focus on improved emotional, mental, social, spiritual, and behavioural factors may directly affect health and support improved mood.
Therapies include mindfulness and specific group training rooted in psycho-neuroendocrinology, and the use of formal meditation and gentle yoga exercises. As well as nutritional education included lectures, cooking workshops, as well as group support.
Bottom line: The use of complimentary therapies such as mindfulness, yoga and medication in conjunction with nutritional advice and may be effective to support improved mood in clients with Metabolic syndrome.
Evidence Category:
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X
A: Meta-analyses, position-stands, randomized-controlled trials (RCTs)
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B: Systematic reviews including RCTs of limited number
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C: Non-randomized trials, observational studies, narrative reviews
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D: Case-reports, evidence-based clinical findings
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E: Opinion piece, other
Summary Review:
Metabolic syndrome (MetS) is a condition characterised by the presence of at least three cardiovascular risk factors such as abdominal obesity, hypertension, insulin resistance, and dyslipidemia.
The authors refer to epidemiological studies that have identified the role of psychological risk factors such as psychosocial stress, depression and anxiety in patients with MetS and cardiovascular disease.
This single-blind, bi-centre RCT assessed the effects of fasting followed by a comprehensive lifestyle modification program MICOM (Mind-Body Medicine in Integrative and Complementary Medicine) in 145 participants with Metabolic Syndrome (MetS) (62.8% women; 59.7 ± 9.3 years) randomised to:
1. 5-day fasting followed by 10 weeks of lifestyle modification (F + LM; modified DASH diet, exercise, mindfulness; n = 73) or
2. 10 weeks of lifestyle modification only (LM; n = 72)
The study duration was 24 weeks occurring from April 2014 to December 2014, with the last follow-up assessment in December 2015. 73 Participants were randomised into an F + LM group and 72 participants into an LM group between the ages of 59 and 60.
Outcomes were assessed at weeks 0, 1, 12, and 24, for quality of life (Short-Form 36 Health Survey Questionnaire, SF-36), anxiety/depression (Hospital Anxiety and Depression Scale, HADS), stress (Cohen Perceived Stress Scale, CPSS), mood (Profile of Mood States, POMS), self-efficacy (General Self-Efficacy Scale, GSE), mindfulness (Mindfulness Attention Awareness Scale, MAAS), and self-compassion (Self-Compassion Scale, SCS).
At week 1, POMS depression and fatigue scores were significantly lower in F + LM compared to LM. At week 12, most self-report outcomes improved in both groups—only POMS vigour was significantly higher in F + LM than in LM. Most of the beneficial effects within the groups persisted at week 24.
Clinical practice applications:
This randomised controlled trial highlights fasting-induced mood-modulating effects in the short term (<24 months).
LM induced several positive effects on quality of life and psychological parameters in participants with MetS.
The compliance rate for this study was good and there were no adverse effects reported suggesting a potentially effective lifestyle modification intervention for adults with metabolic syndrome.
The authors did note the extent to which participants adhered to the program by using stress reduction techniques at home was not assessed.
Considerations for future research:
MBM lifestyle modification intervention led to an improvement of self-efficacy, mindfulness, and self-compassion.
Further studies to explore explanatory models for the effects of MBM are needed.
Mediating variables on mindfulness, self-efficacy, and compassion, and the effects on physical and psychological parameters, need to be examined more closely.
Future studies could use condition-specific questionnaires in addition to generic ones, which have previously been used to facilitate the comparison of the study results with those in the population.
Abstract
Lifestyle interventions can have a positive impact on quality of life and psychological parameters in patients with metabolic syndrome (MetS). In this randomized controlled trial, 145 participants with MetS (62.8% women; 59.7 ± 9.3 years) were randomized to (1) 5-day fasting followed by 10 weeks of lifestyle modification (F + LM; modified DASH diet, exercise, mindfulness; n = 73) or (2) 10 weeks of lifestyle modification only (LM; n = 72). Outcomes were assessed at weeks 0, 1, 12, and 24, and included quality of life (Short-Form 36 Health Survey Questionnaire, SF-36), anxiety/depression (Hospital Anxiety and Depression Scale, HADS), stress (Cohen Perceived Stress Scale, CPSS), mood (Profile of Mood States, POMS), self-efficacy (General Self-Efficacy Scale, GSE), mindfulness (Mindfulness Attention Awareness Scale, MAAS), and self-compassion (Self-Compassion Scale, SCS). At week 1, POMS depression and fatigue scores were significantly lower in F + LM compared to LM. At week 12, most self-report outcomes improved in both groups-only POMS vigor was significantly higher in F + LM than in LM. Most of the beneficial effects within the groups persisted at week 24. Fasting can induce mood-modulating effects in the short term. LM induced several positive effects on quality of life and psychological parameters in patients with MetS.
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Nutritional intervention for diabetes mellitus with Alzheimer's disease.
Li, Z, Li, S, Xiao, Y, Zhong, T, Yu, X, Wang, L
Frontiers in nutrition. 2022;9:1046726
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Diabetes Mellitus (DM) affects more than 463 million people worldwide. Similarly, the number of deaths related to Alzheimer’s disease (AD) has increased by 145%. There are several common risk factors for Type 2 Diabetes and AD, including obesity, insulin resistance, and ageing, as well as common pathological mechanisms, including altered insulin signalling, oxidative stress, neuroinflammation, mitochondrial dysfunction, formation of glycated proteins and metabolic syndrome. This review aims to summarize the therapeutic effects of different nutritional therapy strategies on the reduction of DM and AD risk. Controlling blood sugar levels and reducing calorie intake is crucial to preventing diabetes and Alzheimer's disease. The low-carbohydrate, ketogenic, and Mediterranean diets have been found to improve glucose control in people with Type 2 diabetes (T2D). In addition, MIND (Mediterranean-DASH Diet Intervention for Neurodegenerative Delay) and a ketogenic diet may improve cognition in AD patients. Lactobacillus, Bifidobacterium probiotics, and prebiotics, such as inulin, may inhibit the progression of T2D and AD diseases by suppressing inflammation and modulating gut microbes. In addition, vitamins A, C, D, E, B6, B12, folate, long-chain polyunsaturated fatty acids, zinc, magnesium, and polyphenols may improve cognitive decline, homocysteine levels, and insulin resistance in AD and T2D patients. Healthcare professionals can use the results of this review to understand the beneficial effects of dietary strategies and multi-nutrient supplementation on DM and AD. However, further robust studies are required to investigate the risk factors and underlying mechanisms behind DM-combined AD progression.
Abstract
The combined disease burden of diabetes mellitus (DM) and Alzheimer's disease (AD) is increasing, and the two diseases share some common pathological changes. However, the pharmacotherapeutic approach to this clinical complexity is limited to symptomatic rather than disease-arresting, with the possible exception of metformin. Whether nutritional intervention might extend or synergize with these effects of metformin is of interest. In particular, dietary patterns with an emphasis on dietary diversity shown to affect cognitive function are of growing interest in a range of food cultural settings. This paper presents the association between diabetes and AD. In addition, the cross-cultural nutritional intervention programs with the potential to mitigate both insulin resistance (IR) and hyperglycemia, together with cognitive impairment are also reviewed. Both dietary patterns and nutritional supplementation showed the effects of improving glycemic control and reducing cognitive decline in diabetes associated with AD, but the intervention specificity remained controversial. Multi-nutrient supplements combined with diverse diets may have preventive and therapeutic potential for DM combined with AD, at least as related to the B vitamin group and folate-dependent homocysteine (Hcy). The nutritional intervention has promise in the prevention and management of DM and AD comorbidities, and more clinical studies would be of nutritional scientific merit.
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Intellectual disability and nutrition-related health.
Kolset, SO
EMBO molecular medicine. 2020;12(10):e12899
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Certain inborn errors of metabolism have been linked to several conditions with intellectual disability (ID). Treating these preventable or treatable forms of ID require the support of experts in nutrition and medicine. However, nutritional measures and diet must be adjusted to the different syndromes and their inherent implications, which requires knowledge of ID in general, and of specific diagnosis groups in particular. In addition, challenging behaviour, lower cognitive functions, and capacity in daily-life activities translate into nutritional problems such as shopping, cooking and eating patterns, including snacking, that require systematic professional support. This study shows that the development of adapted mobile phone programs and apps will be of great value in interventions, educational studies and for persons with ID to help them manage their daily chores and their diet, particularly those with moderate and light ID. Addressing the multifaceted challenges of nutrition and health in persons with ID requires more research and increased priority from funding agencies, along with increased visibility and knowledge of the various forms of ID in general.
Abstract
Intellectual disability (ID) is a condition that affects approximately 1% of the population (Maulik et al, 2011). The numbers may differ across nations, owing to different systems and diagnosis entries or lack of such, but usually range between 0.6 and 3% (Stromme & Valvatne, 1998). Persons with ID are a heterogeneous group with different diagnoses and different levels of intellectual ability. These range from profound (IQ < 20) and serious ID (IQ 20-34) to moderate (IQ 35-49) and light ID (IQ 50-69); this roughly translates into the intellectual capacity of children between 3-12 years of age. More than 75% of persons with ID have the mild form and their intellectual capacity and potential may be underestimated in some cases if IQ is the only diagnostic criteria. However, the range in itself is an important factor to take into account when addressing nutrition and health issues. It is further important to recognize that ID is also a feature of several rare disorders, and many disorders not yet identified, adding to the complexity of this group.
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Mediterranean Diet and its Benefits on Health and Mental Health: A Literature Review.
Ventriglio, A, Sancassiani, F, Contu, MP, Latorre, M, Di Slavatore, M, Fornaro, M, Bhugra, D
Clinical practice and epidemiology in mental health : CP & EMH. 2020;16(Suppl-1):156-164
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Mediterranean Diet (MD) is currently considered one of the healthiest dietary models worldwide due to the high intake of antioxidants, dietary fibre, monounsaturated and omega-3 fatty acids, phytosterols and probiotics. The aim of this review was to present current literature showing evidence on the possible impact of MD on health and mental health. The review was based on 27 articles of which 13 were carried out in Spain, 3 in the USA, 3 in Italy, 4 in Australia and 4 in other EU countries. Literature shows that MD improves: - metabolic cardiovascular parameters with a reduced incidence of major cardiovascular events by approximately 30%. - metabolic balance in patients affected by type 2 diabetes mellitus. - biochemical markers for metabolic disorders as well as in patients at risk of specific cancer diseases. Additionally, not enough data is available on the MD effects on specific psychopathological issues. In fact, besides adherence to MD, other factors - which should be further investigated - also play a role in the effectiveness of the MD. Authors conclude that further studies are needed to address the efficacy of diet as an adjunctive treatment for mental disorders as well as for the management of comorbid cardiovascular and metabolic issues.
Abstract
Mediterranean Diet (MD) is currently considered one of the most healthy dietary models worldwide. It is generally based on the daily intake of fruit and vegetables, whole grains, legumes, nuts, fish, white meats, and olive oil. It may also include moderate consumption of fermented dairy products, a low intake of red meat, and red/white wine during the main course. Even if the effect of MD on cancer prevention as well as on human metabolic and cardiovascular balance has been discussed, including the quality of life of the exposed population, the putative effects on mental health are still not properly investigated. This narrative review reports on some emerging pieces of evidence on the possible impact of MD on general health and the outcome of psychiatric disorders (e.g., major depression, anxiety) and encourages further studies to test the benefits of healthy food selection on the health of the general population.
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Mechanisms Underlying Metabolic Syndrome-Related Sarcopenia and Possible Therapeutic Measures.
Rubio-Ruiz, ME, Guarner-Lans, V, Pérez-Torres, I, Soto, ME
International journal of molecular sciences. 2019;20(3)
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Sarcopenia is a multifactorial process in which losses occur in both muscle mass and function. Although several studies indicate an association between sarcopenia and metabolic syndrome (MetS), the connection has not been extensively reviewed. The aim of this study is to examine the relationship between sarcopenia and MetS to better understand the mechanisms underlying disease and assess current therapeutic options. According to the existing literature, this study found insulin resistance, inflammation and obesity to be major underlying factors of MetS-related sarcopenia. Based on this information, the authors suggest the best option for managing MetS-related sarcopenia is preventative lifestyle change around diet and exercise until a consensus on a therapeutic treatment can be established.
Abstract
Although there are several reviews that report the interrelationship between sarcopenia and obesity and insulin resistance, the relation between sarcopenia and the other signs that compose the metabolic syndrome (MetS) has not been extensively revised. Here, we review the mechanisms underlying MetS-related sarcopenia and discuss the possible therapeutic measures proposed. A vicious cycle between the loss of muscle and the accumulation of intramuscular fat might be associated with MetS via a complex interplay of factors including nutritional intake, physical activity, body fat, oxidative stress, proinflammatory cytokines, insulin resistance, hormonal changes, and mitochondrial dysfunction. The enormous differences in lipid storage capacities between the two genders and elevated amounts of endogenous fat having lipotoxic effects that lead to the loss of muscle mass are discussed. The important repercussions of MetS-related sarcopenia on other illnesses that lead to increased disability, morbidity, and mortality are also addressed. Additional research is needed to better understand the pathophysiology of MetS-related sarcopenia and its consequences. Although there is currently no consensus on the treatment, lifestyle changes including diet and power exercise seem to be the best options.