500 mg of trans-resveratrol, tested at a 12.7% atmospheric oxygen level; the equivalent to 4000m above sea level.

Pharmaceutical grade fumed silica, tested at a 12.7% atmospheric oxygen level; the equivalent to 4000 m above sea level.

500 mg of trans-resveratrol, tested at a 20.9% atmospheric oxygen level; the equivalent to sea level.

Pharmaceutical grade fumed silica, tested at a 20.9% atmospheric oxygen level; the equivalent to sea level.

Hypoxia, Altitude

Brain

Resveratrol

Placebo

The Cerebral Hemodynamic and Cognitive Effects of Acute Resveratrol Administration in Young, Healthy Adults at Stimulated Altitude.

The Cerebral Hemodynamic and Cognitive Effects of Acute Resveratrol Administration in Young, Healthy Adults at 4000 m Stimulated Altitude and at Sea Level: A Double Blind, Crossover Investigation.

Cerebral heamodynamic response (of the prefrontal cortex) was measured at rest and during task performance. The outputs measured here were: oxygenated and deoxygenated haemoglobin concentrations. The addition of these two outputs can also detail total haemoglobin, a proxy for cerebral blood flow. All outputs were reported as concentration change in μmol / L.

Participants completed a number of tasks to measure cognitive performance (as represented by the three main cognitive domains impacted by hypoxia (Memory, Speed of Attention, & Accuracy of Attention)), as part of a 15-minute cognitive battery. Cognitive tasks were scored for accuracy of responses (% correct) and the reaction time to respond to each correct response (in milliseconds (ms)). With the exception of the memory tasks which were scored for the number of correct responses and for the number error responses. Scores across the multiple cognitive tasks were combined to represent the three overall cognitive domains outlined above.

Tim Eschle

Principal Investigator

Northumbria University

500mg of trans-resveratrol, tested at a 16% atmospheric oxygen level; the equivalent to 2134m above sea level.

Pharmaceutical grade fumed silica, tested at a 16% atmospheric oxygen level; the equivalent to 2134m above sea level.

500mg of trans-resveratrol, tested at a 20.9% atmospheric oxygen level; the equivalent to sea level.

Hypoxia, Brain

Supplementation of 500mg Trans-resveratrol Within Hypoxic and Normoxic Conditions, in Healthy Humans.

The Effects of Acute Trans-resveratrol Supplementation on Aspects of Cognitive Function and Cerebral Blood Flow, During Hypoxia and Normoxia, in Healthy, Young Humans.

Cerebral heamodynamic response (of the prefrontal cortex) at rest and during task performance (all concentration change (μmol / L)).
There are 3 outputs to this (oxygenated, de-oxygenated and total heamoglobin, detailing changes of oxygenation and de-oxygenation in the neural tissue at rest and during task performance.

Participants completed a number of tasks to measure cognitive domain performance (Episodic Memory, Speed of Attention, & Accuracy of Attention), as part of a 15 minute cognitive battery. Outcomes were measured in accuracy of responses to each task (% correct), reaction time to respond to each task (in milliseconds (ms), and the number of error responses when completing each task.

Control group will receive placebo medication therapy

resveratrol group will receive oral resveratrol (100 mg per day)

Chronic Kidney Disease

Grape seed extract 100mg Microcrystalline Cellulose 90mg Magnesium Stearate 2mg Gelatin 100mg

resveratrol

The gel contains a mixture of glucose and maltodextrin - a complex carbohydrate - along with fat and a trace of protein.

Dalin Tzu Chi Hospital

The Effects of Resveratrol on the Complications of Patients With Hemodialysis

The Effects of Resveratrol on the Complications of Patients With Hemodialysis: a Prospective, Randomized, Double-blinded Clinical Trial

pure tone thresholds of 250, 500, 1000, 2000, 4000, 8000 Hz were measured.

Speech reception thresholds and speech discrimination scores were tested.

Dalin Tzu Chi General Hospital

Subjects scheduled to undergo bariatric surgery and with Obstructive Sleep Apnea

Subjects scheduled to undergo bariatric surgery and without Obstructive Sleep Apnea, control group

Blood samples, urine, subcutaneous adipose tissue, visceral adipose tissue and liver tissue.

Obesity

Obstructive Sleep Apnea

Aarhus University Hospital

Obstructive Sleep Apnea-induced Changes in Adipose and Liver Tissue and Effects of Massive Weight Loss on Inflammation

Investigation of Inflammation Induced by Obstructive Sleep Apnea: Effects of Continuous Positive Airway Pressure (CPAP), Massive Weight Loss and the Bioactive Compound Resveratrol

Cross-sectional genetic and metabolic analysis of biopsies and blood samples obtained in relation to bariatric surgery on subjects with and without sleep apnea. In tissue samples gene-expression profile is measured using Affymetrix gene array and blood samples are used for metabolic profiling and inflammatory markers (hs-CRP, TNFalfa, IL-6, IL-8, adiponectin, leptin, MCP-1, FGF211, CD163)

Changes in inflammation markers (hs-CRP, TNFalfa, IL-6, IL-8, adiponectin, leptin, MCP-1, FGF21, CD163) in blood and adipose tissue.
Changes in expression of mRNA of the relevant inflammatory pathways assessed by gene expression studies.

Changes in insulin sensitivity assessed by HOMA-IR, fructosamine and correction in oral anti diabetic medication.

Changes in AHI-score and Sleepiness Score (based on questionnaires).

Changes in arterial stiffness assessed by office carotid-femoral pulse-wave velocity

resveratrol/hypoxie

The Cerebral Hemodynamic and Cognitive Effects of Acute Resveratrol Administration in Young, Healthy Adults at Stimulated Altitude.

Supplementation of 500mg Trans-resveratrol Within Hypoxic and Normoxic Conditions, in Healthy Humans.

The Effects of Resveratrol on the Complications of Patients With Hemodialysis

Obstructive Sleep Apnea-induced Changes in Adipose and Liver Tissue and Effects of Massive Weight Loss on Inflammation

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