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Effects of vitamin C stimulation on rehabilitation of dysphagia after stroke: a randomized trial.
Wang, J, Chang, E, Jiang, Y
European journal of physical and rehabilitation medicine. 2022;58(4):558-564
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Stroke refers to a clinical syndrome of localized or global brain dysfunction caused by cerebrovascular disease. It has the characteristics of rapid onset, high morbidity, high mortality, and high disability. After a stroke, various dysfunction can be caused, and dysphagia is one of the most common symptoms. The acidity of vitamin C can promote the secretion of saliva by stimulating the tongue, which can accelerate the swallowing action, thereby improving the swallowing function. The aim of this study was to explore the effects of vitamin C stimulation on the rehabilitation process, Nourishment State Index and immune function indicator of stroke patients with dysphagia. This study is a randomised controlled trial which enrolled 120 participants with dysphagia. The participants were randomly assigned into control group and vitamin C stimulation group, with 60 cases in each group. Results show that vitamin C acid stimulation significantly improves rehabilitation, and the Nourishment State Index and Immune Function Index of stroke patients with dysphagia. Authors conclude that Vitamin C acid stimulation can further improve the nutritional status and immune function after stroke and promote post-operative recovery of patients. Thus, vitamin C stimulation therapy can be widely used in stroke rehabilitation management.
Abstract
BACKGROUND Stroke is a clinical syndrome of localized or global brain dysfunction caused by cerebrovascular disease. AIM: The aim of this study was to explore the effect of vitamin C acid stimulation on the rehabilitation process, Nourishment State Index and immune function indicators of stroke patients with dysphagia. DESIGN This is a prospective cohort study. SETTING This study was conducted at our hospital. POPULATION We analyzed stroke patients with dysphagia. METHODS A total of 120 stroke patients with dysphagia were randomly divided into a routine group and a test group, with 60 cases in each group. Routine swallowing training was performed in the routine group, and the test group was stimulated with vitamin C acid. The water swallow test (WST) and video fluoroscopic swallowing study (VFSS) were used to compare the rehabilitation of dysphagia in the two groups. Nourishment State Index was evaluated by BMI, serum albumin, total serum protein and hemoglobin. Immune Function Index was evaluated by IgA, IgM and IgG. RESULTS Compared with the control group, the WST level of patients treated with vitamin C acid stimulation intervention were significantly reduced, and the VFSS score were significantly increased. Serum levels of hemoglobin, albumin, total protein, IgA, IgM and IgG in the vitamin C acid stimulation group were remarkably increased than those in the control group. CONCLUSIONS Vitamin C acid stimulation exhibits a good application effect in patients with dysphagia after stroke. Moreover, vitamin C acid stimulation can further improve the nutritional status and immune function after stroke and promote postoperative recovery of patients. Therefore, we believe that vitamin C stimulation therapy can be widely used in stroke rehabilitation management. CLINICAL REHABILITATION IMPACT Vitamin C acid stimulation significantly improves rehabilitation of stroke patients with dysphagia and ameliorates the nutritional status and immune function of patients.
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Add-On Effect of Selenium and Vitamin D Combined Supplementation in Early Control of Graves' Disease Hyperthyroidism During Methimazole Treatment.
Gallo, D, Mortara, L, Veronesi, G, Cattaneo, SA, Genoni, A, Gallazzi, M, Peruzzo, C, Lasalvia, P, Moretto, P, Bruno, A, et al
Frontiers in endocrinology. 2022;13:886451
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Graves’ disease (GD) is the most frequent cause of hyperthyroidism in iodine-replete geographical areas. Thionamide anti-thyroid drug therapy is the first-line treatment worldwide under most circumstances, but its major limitation is the high rate of relapses after drug discontinuation. Decreased serum concentrations of selenium (Se) and vitamin D (VitD) have been reported in newly diagnosed GD patients in observational studies. The aim of this study was to determine if concurrent supplementation with Se and VitD in Graves’ patients with suboptimal or low Se and VitD levels may improve early control of hyperthyroidism during methimazole (MMI) [thionamide] treatment. This study is a randomised, single-blinded, controlled, intervention trial. Forty-two patients were randomly assigned to treatment with MMI monotherapy (Group 1, MMI alone group) or MMI combined with Se and VitD (Group 2, intervention group). Results show that supplementation favours a significantly better control of hyperthyroidism, both at short-term (45 days) and long-term (180 and 270 days) assessments. In fact, during MMI treatment, Se and VitD supplementation facilitate restoration of euthyroidism and boost the improvement of quality of life. Authors conclude that Se and VitD status should be assessed at diagnosis of GD, and that Se and VitD supplementation should be offered at adequate and safe dosages even if a slight deficiency of these micronutrients is found.
Abstract
Prompt and stable control of hyperthyroidism is fundamental to avoid the detrimental effects of thyroid hormone excess, and antithyroid drugs, mainly methimazole (MMI), represent the first-line treatment for Graves' disease (GD) hyperthyroidism. Decreased serum concentrations of selenium (Se) and calcifediol (25(OH)D, VitD) have been reported in newly diagnosed GD patients in observational studies. Low Se levels might exacerbate oxidative stress by compromising the antioxidant machinery's response to reactive oxygen species, and low VitD levels might hamper the anti-inflammatory immune response. We performed a randomized controlled clinical trial (EudraCT 2017-00505011) to investigate whether Se and cholecalciferol (VitD) addition to MMI is associated with a prompter control of hyperthyroidism. Forty-two consecutive patients with newly-onset GD and marginal/insufficient Se and VitD levels were randomly assigned to treatment with either MMI monotherapy or MMI combined with Se and VitD. Se treatment was withdrawn after 180 days, while the other treatments were continued. Combination therapy resulted in a significantly greater reduction in serum FT4 concentration at 45 days (-37.9 pg/ml, CI 95%, -43.7 to -32.2 pg/ml) and 180 days (-36.5 pg/ml, CI 95%, -42 to -30.9 pg/ml) compared to MMI monotherapy (respectively: -25.7 pg/ml, CI 95%, -31.6 to -19.7 pg/ml and -22.9 pg/ml, CI 95%, -28 to -17.3 pg/ml, p 0.002). Data at 270 days confirmed this trend (-37.8 pg/ml, CI 95%, -43.6 to -32.1 pg/ml vs -24.4 pg/ml, CI 95%, -30.3 to -18.4 pg/ml). The quality of life (QoL) score was investigated by the validated "Thyroid-related Patient-Reported Outcome" questionnaire (ThyPRO). ThyPRO composite score showed a greater improvement in the intervention group at 45 days (-14.6, CI 95%, -18.8 to -10.4), 180 (-9, CI 95%, -13.9 to -4.2) and 270 days (-14.3, CI 95%, -19.5 to -9.1) compared to MMI group (respectively, -5.2, CI 95%, -9.5 to -1; -5.4, CI 95%, -10.6 to -0.2 and -3.5, CI 95%, -9 to -2.1, p 0-6 months and 6-9 months <0.05). Our results suggest that reaching optimal Se and VitD levels increases the early efficacy of MMI treatment when Se and VitD levels are suboptimal.
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High-dose versus standard-dose vitamin D supplementation in older adults with COVID-19 (COVIT-TRIAL): A multicenter, open-label, randomized controlled superiority trial.
Annweiler, C, Beaudenon, M, Gautier, J, Gonsard, J, Boucher, S, Chapelet, G, Darsonval, A, Fougère, B, Guérin, O, Houvet, M, et al
PLoS medicine. 2022;19(5):e1003999
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The Coronavirus Disease 2019 (COVID-19) caused hundreds of thousands of deaths, mostly in older adults. The aim of this study was to test whether a single oral high-dose of cholecalciferol (vitamin D3) administered within 72 hours after the diagnosis of COVID-19 improves, compared to standard-dose cholecalciferol, the 14-day overall survival among at-risk older adults who are positive to COVID-19. This study is an investigator-initiated, multicentre, open-label, parallel group, intent-to-treat, randomised controlled superiority clinical trial which involves the collaboration of 9 medical centres. Eligible participants (n=260) were randomly assigned to receive a single oral dose of either 400,000 IU (n=130) or 50,000 IU (n=130) cholecalciferol on the day of inclusion. Results show: - reduced overall mortality at day 14. - that high-dose cholecalciferol was safe and did not result in more frequent adverse effects compared to the standard dose. - that some benefits were also found on the 14-day mortality due to COVID-19 as well as on the overall mortality between day 6 and day 14. - that there was no evidence that the single high-dose vitamin D3 administered early in COVID-19 provided any benefit on overall mortality for up to 28 days. Authors conclude that high-dose oral cholecalciferol supplementation is a simple, safe, and inexpensive treatment which may be of interest as an adjuvant to provide a bridge to recovery for at-risk older adults facing the emergence of immune escape variants.
Abstract
BACKGROUND Vitamin D supplementation has been proposed as a treatment for Coronavirus Disease 2019 (COVID-19) based on experimental data and data from small and uncontrolled observational studies. The COvid19 and VITamin d TRIAL (COVIT-TRIAL) study was conducted to test whether a single oral high dose of cholecalciferol (vitamin D3) administered within 72 hours after the diagnosis of COVID-19 improves, compared to standard-dose cholecalciferol, the 14-day overall survival among at-risk older adults infected with Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). METHODS AND FINDINGS This multicenter, randomized, controlled, open-label, superiority trial involved collaboration of 9 medical centers in France. Patients admitted to the hospital units or living in nursing homes adjacent to the investigator centers were eligible if they were ≥65 years, had SARS-CoV-2 infection of less than 3 days, and at least 1 COVID-19 worsening risk factor (among age ≥75 years, SpO2 ≤94%, or PaO2/FiO2 ≤300 mm Hg). Main noninclusion criteria were organ failure requiring ICU, SpO2 ≤92% despite 5 L/min oxygen, life expectancy <3 months, vitamin D supplementation >800 IU/day during the preceding month, and contraindications to vitamin D supplements. Eligible and consenting patients were randomly allocated to either a single oral high-dose (400,000 IU) or standard-dose (50,000 IU) cholecalciferol administered under medical supervision within 72 hours after the diagnosis of COVID-19. Participants and local study staff were not masked to the allocated treatment, but the Steering Committee and the Data and Safety Monitoring Board were masked to the randomization group and outcome data during the trial. The primary outcome was 14-day overall mortality. Between April 15 and December 17, 2020, of 1,207 patients who were assessed for eligibility in the COVIT-TRIAL study, 254 met eligibility criteria and formed the intention-to-treat population. The median age was 88 (IQR, 82 to 92) years, and 148 patients (58%) were women. Overall, 8 (6%) of 127 patients allocated to high-dose cholecalciferol, and 14 (11%) of 127 patients allocated to standard-dose cholecalciferol died within 14 days (adjusted hazard ratio = 0.39 [95% confidence interval [CI], 0.16 to 0.99], P = 0.049, after controlling for randomization strata [i.e., age, oxygen requirement, hospitalization, use of antibiotics, anti-infective drugs, and/or corticosteroids] and baseline imbalances in important prognostic factors [i.e., sex, ongoing cancers, profuse diarrhea, and delirium at baseline]). The number needed to treat for one person to benefit (NNTB) was 21 [NNTB 9 to ∞ to number needed to treat for one person to harm (NNTH) 46]. Apparent benefits were also found on 14-day mortality due to COVID-19 (7 (6%) deaths in high-dose group and 14 (11%) deaths in standard-dose group; adjusted hazard ratio = 0.33 [95% CI, 0.12 to 0.86], P = 0.02). The protective effect of the single oral high-dose administration was not sustained at 28 days (19 (15%) deaths in high-dose group and 21 (17%) deaths in standard-dose group; adjusted hazard ratio = 0.70 [95% CI, 0.36 to 1.36], P = 0.29). High-dose cholecalciferol did not result in more frequent adverse effects compared to the standard dose. The open-label design and limited study power are the main limitations of the study. CONCLUSIONS In this randomized controlled trial (RCT), we observed that the early administration of high-dose versus standard-dose vitamin D3 to at-risk older patients with COVID-19 improved overall mortality at day 14. The effect was no longer observed after 28 days. TRIAL REGISTRATION ClinicalTrials.gov NCT04344041.
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A randomized, phase 1, placebo-controlled trial of APG-157 in oral cancer demonstrates systemic absorption and an inhibitory effect on cytokines and tumor-associated microbes.
Basak, SK, Bera, A, Yoon, AJ, Morselli, M, Jeong, C, Tosevska, A, Dong, TS, Eklund, M, Russ, E, Nasser, H, et al
Cancer. 2020;126(8):1668-1682
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APG-157 is a botanical drug containing multiple polyphenols that delivers the active components to oromucosal tissues near the tumour target. APG-157 slowly disintegrates in the oral cavity over 15 to 20 minutes to release the drug substance. The drug substance is a precise, rational combination of multiple molecules derived from Curcuma longa wherein curcumin is the principal component. The main aim of this study was to determine the pharmacokinetics and safety of the orally delivered pastille (APG-157) when used by normal subjects and patients with cancer. This study is a randomised, double-blind, placebo-controlled trial. A total of 32 subjects were enrolled, and 25 completed the study (13 normal individuals and 12 patients with oral cancer). Results demonstrated that transoral APG-157 treatment leads to systemic absorption of curcumin and its analogs. There was a statistically significant concentration reduction in inflammatory cytokines and Bacteroides species noted in the salivary cells. Pre-treatment and post-treatment tumour samples from patients with cancer demonstrated T-cell recruitment to the tumour microenvironment. Authors conclude that APG-157 is absorbed well, reduces inflammation, and attracts T-cells to the tumour thus, it can be potentially used in combination with immunotherapy drugs. Furthermore, a long-term evaluation of immune checkpoint blockade with and without APG-157 could provide a clear understanding of the usefulness of APG-157 as either an adjuvant or neoadjuvant therapeutic agent for patients with advanced or recurrent head and neck cancer.
Abstract
BACKGROUND Although curcumin's effect on head and neck cancer has been studied in vitro and in vivo, to the authors' knowledge its efficacy is limited by poor systemic absorption from oral administration. APG-157 is a botanical drug containing multiple polyphenols, including curcumin, developed under the US Food and Drug Administration's Botanical Drug Development, that delivers the active components to oromucosal tissues near the tumor target. METHODS A double-blind, randomized, placebo-controlled, phase 1 clinical trial was conducted with APG-157 in 13 normal subjects and 12 patients with oral cancer. Two doses, 100 mg or 200 mg, were delivered transorally every hour for 3 hours. Blood and saliva were collected before and 1 hour, 2 hours, 3 hours, and 24 hours after treatment. Electrocardiograms and blood tests did not demonstrate any toxicity. RESULTS Treatment with APG-157 resulted in circulating concentrations of curcumin and analogs peaking at 3 hours with reduced IL-1β, IL-6, and IL-8 concentrations in the salivary supernatant fluid of patients with cancer. Salivary microbial flora analysis showed a reduction in Bacteroidetes species in cancer subjects. RNA and immunofluorescence analyses of tumor tissues of a subject demonstrated increased expression of genes associated with differentiation and T-cell recruitment to the tumor microenvironment. CONCLUSIONS The results of the current study suggested that APG-157 could serve as a therapeutic drug in combination with immunotherapy. LAY SUMMARY Curcumin has been shown to suppress tumor cells because of its antioxidant and anti-inflammatory properties. However, its effectiveness has been limited by poor absorption when delivered orally. Subjects with oral cancer were given oral APG-157, a botanical drug containing multiple polyphenols, including curcumin. Curcumin was found in the blood and in tumor tissues. Inflammatory markers and Bacteroides species were found to be decreased in the saliva, and immune T cells were increased in the tumor tissue. APG-157 is absorbed well, reduces inflammation, and attracts T cells to the tumor, suggesting its potential use in combination with immunotherapy drugs.
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The study evaluating the effect of probiotic supplementation on the mental status, inflammation, and intestinal barrier in major depressive disorder patients using gluten-free or gluten-containing diet (SANGUT study): a 12-week, randomized, double-blind, and placebo-controlled clinical study protocol.
Karakula-Juchnowicz, H, Rog, J, Juchnowicz, D, Łoniewski, I, Skonieczna-Żydecka, K, Krukow, P, Futyma-Jedrzejewska, M, Kaczmarczyk, M
Nutrition journal. 2019;18(1):50
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Major depressive disorder (MDD) has historically been recognised as a brain disease, however more recently it is being recognised as a whole-body disorder. The immune system and the gut microbiota have been implicated in MDD with particular focus on the gut wall integrity and the resultant immune reaction and its influence on the brain. Gluten may incite an immune reaction in certain individuals and a gluten free diet may be of benefit to symptoms of depression in those who have gluten-related disorders. This randomised prospective control trial of 120 patients with MDD aims to determine the effect of a gluten free diet and probiotic supplementation in symptom management over 12 weeks. As this was a prospective study, no results were achieved. However, the study does indicate that randomised control trials on the effect of diet in MDD are advancing and there may be scientifically proven avenues to support standard therapies.
Abstract
BACKGROUND Current treatment of major depressive disorder (MDD) often does not achieve full remission of symptoms. Therefore, new forms of treatment and/or adjunct therapy are needed. Evidence has confirmed the modulation of the gut-brain-microbiota axis as a promising approach in MDD patients. The overall purpose of the SANGUT study-a 12-week, randomized, double-blind, and placebo-controlled Study Evaluating the Effect of Probiotic Supplementation on the Mental Status, Inflammation, and Intestinal Barrier in Major Depressive Disorder Patients Using Gluten-free or Gluten-containing Diet - is to determine the effect of interventions focused on the gut-brain-microbiota axis in a group of MDD patients. METHODS A total of 120 outpatients will be equally allocated into one of four groups: (1) probiotic supplementation+gluten-free diet group (PRO-GFD), (2) placebo supplementation+ gluten-free diet group (PLA-GFD), (3) probiotic supplementation+ gluten containing diet group (PRO-GD), and (4) placebo supplementation+gluten containing diet group (PLA-GD). PRO groups will receive a mixture of psychobiotics (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175), and GFD groups will follow a gluten-free diet. The intervention will last 12 weeks. The primary outcome measure is change in wellbeing, whereas the secondary outcome measures include physiological parameters. DISCUSSION Microbiota and its metabolites have the potential to influence CNS function. Probiotics may restore the eubiosis within the gut while a gluten-free diet, via changes in the microbiota profile and modulation of intestinal permeability, may alter the activity of microbiota-gut-brain axis previously found to be associated with the pathophysiology of depression. It is also noteworthy that microbiota being able to digest gluten may play a role in formation of peptides with different immunogenic capacities. Thus, the combination of a gluten-free diet and probiotic supplementation may inhibit the immune-inflammatory cascade in MDD course and improve both psychiatric and gut barrier-associated traits. TRIAL REGISTRATION NCT03877393 .
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Cashew apple juice supplementation enhances leukocyte count by reducing oxidative stress after high-intensity exercise in trained and untrained men.
Prasertsri, P, Roengrit, T, Kanpetta, Y, Tong-Un, T, Muchimapura, S, Wattanathorn, J, Leelayuwat, N
Journal of the International Society of Sports Nutrition. 2019;16(1):31
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High-intensity aerobic training has been shown to suppress leukocyte counts in moderately fit athletes. The aim of this study to explore possible advantageous effects of cashew apple juice (CAJ) supplementation, and, if present, to identify the possible mechanisms underlying those effects. The study is a double-blind randomised cross-over design with two treatment arms: CAJ supplementation and placebo. Ten moderately (endurance) trained and untrained men were randomized to one of the two groups for four weeks, with a four-week wash out period. Results showed that CAJ supplementation for four weeks increased leukocyte (a type of blood cell) counts, while simultaneously decreasing oxidative stress, following an acute bout of high-intensity exercise in trained men. Furthermore, the CAJ supplementation increased neutrophil (a type of white blood cell) counts while simultaneously reducing oxidative stress and stress hormone concentrations in untrained men. The antioxidant effects following exercise were observed in both endurance-trained and untrained men. Authors conclude that CAJ supplementation is beneficial to men, both in resting states and in response to an acute bout of high-intensity aerobic exercise.
Abstract
BACKGROUND Cashew apple juice (CAJ) was shown to improve immunological mechanisms by regulating a balance between reactive oxygen species and antioxidant concentrations. However, no study exploring the effects of the CAJ and training status on the immune system and oxidative stress induced by exercise. Therefore, we investigated the effects of CAJ supplementation primarily on leukocyte counts and secondary on oxidative stress and cortisol changes after high-intensity exercise in trained and untrained men. METHODS Ten moderately (endurance) trained (Age = 21.5 ± 0.97 yr., VO2max = 45.6 ± 4.12 mL/kgBM/min) and ten sedentary men (Age = 20.4 ± 2.72 yr., VO2peak = 32.2 ± 7.26 mL/kgBM/min) were randomized to ingest either daily CAJ or a placebo at 3.5 mL/kgBM/day for 4 weeks, with a four-week washout period. Before and after each period, they performed 20-min, high-intensity cycling (85% VO2max), with blood samples collected immediately preceding and the following exercise. Samples were analyzed to determine leukocyte counts, malondialdehyde, 8-isoprostane, and cortisol concentrations. A repeated measures analysis of variance was used to examine the effects of supplement and training status over time with an alpha level of 0.05. RESULTS There was no interaction between supplement and training status on those variables before and after exercise. However, CAJ raised resting neutrophil counts and exercise-induced leukocyte counts in the trained group (all p < 0.05). Besides, CAJ significantly reduced plasma malondialdehyde concentrations at rest and after exercise and reduced the post-exercise plasma 8-isoprostane concentration in both groups of subjects (p < 0.05). Moreover, CAJ reduced plasma cortisol after exercise in the untrained subjects. CONCLUSIONS We suggest that 4-week CAJ supplementation can enhance exercise-induced leukocyte and resting neutrophil counts in trained men. The possible mechanism is a reduction in oxidative stress. However, the supplementation did not change the immune responses of untrained men, but it did reduce stress hormone concentrations. TRIAL REGISTRATION NUMBER TCTR20181127002 Registered 26 November 2018 "retrospectively registered".
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Changes in LDL Oxidative Status and Oxidative and Inflammatory Gene Expression after Red Wine Intake in Healthy People: A Randomized Trial.
Di Renzo, L, Marsella, LT, Carraro, A, Valente, R, Gualtieri, P, Gratteri, S, Tomasi, D, Gaiotti, F, De Lorenzo, A
Mediators of inflammation. 2015;2015:317348
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It is recognised that inflammation and oxidative stress may play a role in the development of heart disease. Red wine has previously been shown to lower inflammation and improve antioxidant status. This small, randomised, crossover trial aims to investigate if resveratrol in red wine causes these effects. The trial involved twenty-four healthy adults who took part in the four intervention arms, with a three week washout period in between. Blood markers and genomic information were measured at (1) baseline and after each intervention: (2) a high-fat McDonald’s meal (McDM), (3) McDM + red wine and (4) just red wine. While eating McDM alone raised markers of oxidative stress, having red wine with McDM lowered markers. The authors concluded that having red wine with a meal could reduce the levels of inflammation and oxidative stress normally seen after eating. It was suggested that moderate red wine consumption (2 drinks a day for men and 1 drink a day for women) could potentially lower the risk of heart disease, but longer term studies are needed before definite conclusions can be drawn.
Abstract
Postprandial oxidative stress is characterized by an increased susceptibility of the organism towards oxidative damage after consumption of a meal rich in lipids and/or carbohydrates. Micronutrients modulate immune system and exert a protective action by reducing low density lipoproteins (LDL) oxidation via induction of antioxidant enzymes. We evaluated the gene expression of oxidative stress (HOSp), inflammasome (HIp), and human drug metabolism pathways (HDM) and ox-LDL level at baseline and after the intake of red wine naturally enriched with resveratrol (NPVRW), in association with or without a McDonald's meal (McDM). The ox-LDL levels significantly increase comparing baseline (B) versus McDM and decreased comparing McDM versus McDM + NPVRW (P ≤ 0.05). Percentages of significant genes expressed after each nutritional intervention were the following: (1) B versus McDM, 2.88% HOSp, 2.40% of HIp, and 3.37% of HDMp; (2) B versus McDM + NPVRW, 1.44% of HOSp, 4.81% of HIp, and 0.96% of HDMp; (3) McDM versus McDM + NPVRW, 2.40% of HOSp, 2.40% of HIp, and 5.77% of HDMp; (4) B versus NPVRW, 4.80% HOSp, 3.85% HIp, and 3.85% HDMp. NPVRW intake reduced postprandial ox-LDL and the expression of inflammation and oxidative stress related genes. Chronic studies on larger population are necessary before definitive conclusions.