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Filter by:Consumption of foods containing carotenoids, as well as vitamin E, have been associated with lower risk of developing a number of chronic diseases. While the parent compounds have largely been assumed to exert protective antioxidant effects, more recent work has suggested that metabolites may be bioactive. Very little attention has been given to the metabolism of these compounds during the digestive process. Our primary aim is to conduct a postprandial feeding study in healthy men to determine the stability of carotenoids and vitamin E during digestion, and to identify the primary metabolites produced in various compartments of the upper gastrointestinal tract and blood during digestion. Targeted metabolites will be identified and quantitated using high-performance liquid chromatography-tandem mass spectrometry methods previously developed. In addition, a non-targeted metabolomics approach will be used to identify non-predicted metabolites in the samples. A better understanding of carotenoid and vitamin E stability and metabolism during digestion will provide greater insight into how these compounds may confer protection against chronic disease.
Bioactive supplements might display relevant therapeutic properties according to validated molecular effects. Herein, the effect of a supplement based on diterpenes from Rosmarinus Officinalis L. and alkylglycerols with proven properties against signaling pathways involved in tumorigenesis is evaluated. The biological and molecular effects of this supplement, mainly based on expected effects on immune and genetic modulatory properties is investigated. For this purpose, 60 healthy volunteers were enrolled in a six week, double-blind, randomized and parallel pilot study with two study arms -rosemary and alkylglycerol containing capsules and control capsules. The study includes the analysis of (1) immunological parameters (ex vivo cytokine profile of LPS stimulated PBMC and PBMC phenotyping by cluster differentiation (CD) markers), (2) regulation of the expression of genes linked to immuno-modulation, inflammation, oxidative stress response and cancer, and (3) the analysis of correlation of selected genetic variants (SNPs) with the differential responses among individuals.
The purpose of the study is to evaluate the effect of N-acetyl cysteine in combination with paclitaxel on the clinical outcomes of patients with peripheral neuropathy, paclitaxel-induced peripheral neuropathy affect quality of life in cancer patients. new therapeutic approches such as the antioxidant N-acetyl cysteine, showed to has neuroprotective effect, the aim of the study is to evaluate the effect of N- acetylcysteine(NAC) administration in the prevention of paclitaxel-Induced peripheral neuropathy.
Musculoskeletal injury, particularly injuries requiring surgical repair, induce significant muscle atrophy, resulting in diminished physical function. The protein turnover-associated (diminished protein synthesis, elevated protein breakdown, negative net muscle protein balance) etiology of injury and surgical-induced atrophy are, in part, similar to those observed with muscle wasting induced by hyper-catabolic and inflammatory conditions and prolonged periods of skeletal muscle disuse (e.g., cachexia and joint immobilization). Combining dietary strategies to optimize the anabolic properties of beef as a high quality protein source that provides essential amino acids prior to surgery and throughout post-surgery rehabilitation may attenuate muscle atrophy and accelerate the restoration of muscle function. This project will examine the efficacy of habitual consumption of a beef-based higher protein meal pattern and post-physical rehabilitation beef protein supplementation throughout post-surgical rehabilitation intervention on skeletal muscle function in response to anterior cruciate ligament (ACL) repair in healthy, physically active adults. Stable isotope methodologies, proteomic analysis of muscle protein synthesis, and molecular assessments of skeletal muscle atrophy and remodeling will be assessed to evaluate the effects of increased protein intake, including consumption of a high quality beef-based protein supplement following patient physical therapy sessions on: 1. Skeletal muscle protein fractional synthetic rates during and in recovery from surgery; 2. Inflammatory, proteolytic, and anabolic intramuscular signaling during surgery and their association with skeletal muscle protein synthesis and muscle function; 3. Muscle size and functional recovery; 4. Duration to return to routine exercise, sport, or physical activity.
This study evaluates the compliance of patients in a Phase 2 (outpatient clinic based) cardiac rehabilitation program, who are offered the opportunity to perform the rehab remotely (e.g. at home, not at the clinic), using a remote monitor and smart-phone application.
The study will look at the cardiovascular risk factors as they arise, as well at the need for further revascularization after at least 10 years of coronary revascularization in Middle Eastern patients. The PI will overlook the whole process. Dr Ahmad Tamari, the assistant to the PI will asses this whole process of data collection, management and manuscript drafting.
Recommendations for cardiovascular rehabilitation (CVR) encourage exercise training, primarily involving the aerobic system, to allow patients to regain independence in daily activities. However, the lactic anaerobic process is also involved during these activities (stair climbing, carrying loads, etc.). Hence there is a major interest in accurately assessing patients' anaerobic capacities in order to tailor suitable exercise programs. However, there are no functional tests specifically dedicated to the evaluation of lactic anaerobic metabolism and adapted to people with coronary disease. The investigators offer a dedicated test, the short and fast test (SFST), which can be applied in current clinical practice and has already been evaluated in a population of healthy subjects. The purpose of this project is to evaluate the safety, feasibility and validity of SFST in a population of patients with coronary artery disease.
The purpose of this clinical research study is to examine whether Embozene treatment of the genicular artery is a safe and effective way to treat arthritic knee pain. Embozene is a medical device made by Boston Scientific approved in the United States for the treatment of hypervascular tumors and arteriovenous malformations. It consists of thousands of microscopic spheres that are injected into the artery in the knee going to the region of pain. One of the causes of pain in the setting of knee arthritis is increased blood flow going to the specific area of pain. The goal of this procedure is to decrease the blood flow (embolize) to the specific region of the knee that is causing your pain. This is done by infusing Embozene particles into the specific blood vessel (genicular artery) supplying the area of pain in the knee.
Subarachnoid block has become an established and reliable method of providing anaesthesia for lower abdominal and lower limb surgeries. Several factors determine the spread of local anaesthetic solutions in CSF. Among them, patient position is an important determining factor. Anesthesiologists give various degrees of head down tilt which they believe is both safe for the patient and will result in adequate level of block. Often these are arbitrarily done by the operator as most of the operation theatre tables are not equipped with any device to measure the accurate degree of tilt. As there is no agreement on the effect of Trendelenberg position on height of subarachnoid block, the current clinical study will be undertaken to estimate the effect of operation theatre table tilt at the time of lumbar puncture on the height of subarachnoid block.
Pancreatic cancer is the 5th leading cause of death from cancer in France. When chemotherapy can be proposed, the choice of treatment is currently based on the patient's profile and expected tolerance. The endpoints currently used in trials, such as time to therapeutic failure, do not take into account the patient's experience of the disease. The use of quality of life questionnaires is often proposed, but frequent missing data and filling time can be a problem. In oncology, some studies have demonstrated, through questionnaires, the link between physical activity and quality of life. In this situation, ambulatory measurement of physical activity by wrist actimetry could be an integrative reflection of the impact of the disease and treatment (efficacy, tolerance) on patients. This type of evaluation, if accepted by patients, could usefully complement the measurement of quality of life in this population. No study has specifically looked at the use of devices of this type in the context of digestive cancer. The investigators propose to evaluate the acceptance of this type of device by pancreatic cancer patients receiving chemotherapy before evaluating its potential interest.