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Cardiovascular Risk Factor clinical trials

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NCT ID: NCT03659695 Not yet recruiting - Clinical trials for Cardiovascular Risk Factor

Cardioprotective Effects of Freeze Dried Grape Powder on Blood Pressure and Plasma Lipids/Lipoproteins

Start date: January 1, 2019
Phase: N/A
Study type: Interventional

Whole food-based dietary interventions have the potential to promote cardiometabolic health via multiple mechanisms, including improvements in blood pressure, bad cholesterol, and other markers of metabolic health. Previous research suggests that grapes have the potential to promote optimal cardiometabolic function by reducing LDL-C, but it remains unclear whether there is a dose-response relationship. Moreover, few studies have evaluated effects on vascular health following daily grape consumption. We propose to examine the effects of 6-8 weeks of supplementation with freeze dried grape powder (69 g/d; ~three ¾ cup servings) compared to a control powder without grapes on: 1) bad cholesterol and blood pressure and 2) other measures of cardiometabolic health, including glucose and insulin. We will enroll overweight (BMI 25-36 kg/m2) but otherwise healthy adults with moderately elevated LDL-C (>115 mg/dL for women and >130 mg/dL for men) and/or blood pressure of120-159/80-99 mm Hg. This will optimize the potential for observing significant changes in these measures of health. We will recruit 20 eligible participants with the expectation that at least 15 will complete the study. The placebo-controlled, crossover study design will allow for a direct comparison of effects within the same participant. We anticipate that the bioactive components of grapes will promote cardiometabolic health via changes in LDL-C and blood pressure. Results from the proposed study would help to clarify how daily grape consumption might promote health and would provide further support for incorporating whole, unprocessed fruit in a healthy dietary pattern.

NCT ID: NCT03653468 Completed - Obesity Clinical Trials

Exercise for Preventing the Metabolic Syndrome in Latinoamerican Amerindians

Start date: January 1, 2018
Phase: N/A
Study type: Interventional

Despite exercise training decrease blood fasting glicaemy in 'average' terms, there is a wide inter-individual variability after exercise training explored mainly in adults but not in adults with prediabetes comorbidities. Thus, is yet unknown the effects and influence of the concurrent training (CT) eliciting responders (R) and non-responders (NR) cases (i.e., percentage of subjects who experienced a non-change/worsened response after training in some metabolic outcomes).

NCT ID: NCT03646175 Not yet recruiting - Clinical trials for Cardiovascular Risk Factor

Choline Supplementation and Cardiovascular Health

Start date: September 2018
Phase: N/A
Study type: Interventional

Trimethylamine-N-oxide (TMAO), a metabolite produced by gut microbial metabolism of dietary choline, has recently been causally linked to atherosclerosis in animal models and has been shown to be predictive of cardiovascular disease (CVD) risk in some but not all cohort studies. The relevance of observations in animals to humans is unclear and little information is available on the mechanisms linking TMAO to increased CVD risk. Vascular dysfunction plays a critical role in the initiation and progression of atherothrombotic disease. Whether TMAO impairs vascular function in humans is not known. The purpose of this study is to determine if acute supplementation of dietary choline, which increases TMAO, impairs vascular function.

NCT ID: NCT03644524 Completed - Obesity Clinical Trials

Heat Therapy and Cardiometabolic Health in Obese Women

Start date: September 8, 2015
Phase: N/A
Study type: Interventional

Traditional medical treatments are often based on research done exclusively in males, and recent research efforts in the physiology community have highlighted critical sex differences in disease presentation and progression. For example, the relative risk of fatal heart disease is 50% greater in obese, diabetic women as compared to their male counterparts, and women appear to respond differently to lifestyle interventions such as exercise compared with men. Chronic passive heat exposure (hot tub use) provides alternative or supplemental therapeutic potential for improving cardiovascular and metabolic health in obese women. In addition, passive heat exposure may offer specific cellular protection from stresses like a lack of blood flow (ischemia), which is the primary cause of fatal coronary heart disease. This study is investigating the possible cardiovascular and metabolic health benefits of chronic passive heat exposure, and whether regular hot tub use (3-4 days per week for 8-10 weeks) may reduce obese womens' cardiometabolic risk. The investigators are examining cardiovascular health through blood pressure, blood vessel stiffness, sympathetic ('fight or flight') activity, and responsiveness to stresses like increased or decreased blood flow. The investigators are also examining metabolic health through an oral glucose tolerance test and a subcutaneous fat biopsy. The goal of this research is to develop a therapy targeted toward the specific health needs and complications of obese women, in an effort to improve cardiovascular and metabolic health and provide therapeutic alternatives in this high-risk population.

NCT ID: NCT03632785 Enrolling by invitation - Clinical trials for Cardiovascular Risk Factor

Laboratory Implications of Non Obstructive Atherosclerotic Plaques Identified by Multiple Detector Coronary Angiotomography

Start date: March 27, 2017
Study type: Observational

Approximately 50% of coronary events occur in previously asymptomatic patients. Thus, the early detection of the individuals at higher risk became an important research target within the current cardiology. The various clinical scores used present a predictive accuracy for ischemic events, evaluated by the ROC curve, which ranges from 0.73 to 0, 79. Therefore, the introduction of new non-invasive techniques for the detection of atherosclerosis aims to allow a more adequate classification of risk. The development of radiological techniques, fundamentally coronary angiotomography of multiple detectors (CAMD) and electron beam computed tomography-EBCT‖, demonstrated that the degree of coronary calcification correlates with endothelial lesion and individual prognosis in the long term. Notably, the calcium score has a weak correlation with the severity of coronary stenosis per se, possibly due to variations in arterial remodeling due to coronary calcification. On the other hand, the CAMD allows the detection of a small magnitude atheromatous disease, not diagnosed clinically, nor by tests provoking ischemia, or even by coronary catheterization. The clinical relevance of the small magnitude atheromatous disease diagnosed by the ACMD and its correlation with plaque vulnerability markers, mainly platelet aggregation, vascular reactivity, and inflammation are still not well determined. This is a case and control study and we will enrolled 90 patients with low and medium risk of cardiovascular event whose cases should present discrete plaques in the CAMD e controls should present none plaque in coronary stenosis

NCT ID: NCT03622957 Not yet recruiting - Clinical trials for Diabetes Mellitus, Type 2

Association Between Phthalates Exposure and Renal Function Impairment in TYpe 2 Diabetes

Start date: August 10, 2018
Study type: Observational

The global incidence of diabetic nephropathy (DN) is increasing, with no appreciable reduction in the percent of patients progressing toward end stage renal disease (ESRD) and dialysis (Tuttle et al, 2014, Winocour et al, 2018). Therefore, identification of modifiable risk factors and early biomarkers of progressive decline in kidney function is an urgent clinical need. Phthalates are environmental and dietary contaminants with a various array of use that are identified in many consumer and industrial products; among them, di-(2-ethylhexyl) phthalate (DEHP) and its metabolites (mono 2-ethylhexyl phthalate (MEHP), 5OH-MEHP (MEHHP) and 5oxo-MEHP (MEOHP)) are widely used (Kato et al 2004, Braun et al, 2013). They partially distribute to the human tissues and their urinary and serum levels are directly related; therefore, urinary concentration of phthalates is commonly used as proxy of their exposure in humans (Kato et al 2004). While the association between phthalates exposure and development of T2D is currently being explored (Dong et al 2017, Dales et al, 2018), little is known about their role in DN. Recent observations show that DEHP and its metabolites are associated with a higher prevalence of low-grade albuminuria and in children exposed to higher phthalates concentrations (Trasande et al, 2014, Wu et al, 2018), however such association has yet to be verified in adults. The environmental ubiquity of the phthalates enhances the importance of investigating the potential relation between their exposure and different degrees of renal function. (Kato et al 2004, Kataria et al, 2015). Given this premise, the investigators will explore this potential association in a population of subjects with T2D consecutively referring to the outpatient diabetes clinic in Santa Chiara Hospital, Pisa, enrolled on a volunteer basis. During their routine visit at Santa Chiara Hospital outpatient diabetes clinic participants will provide the results of blood tests prescribed as per standard clinical practice along with a first morning, overnight fasting, urine sample collected in a phthalates-free container. The investigators will record the participants' clinical history, physical examination and anthropometric measurements, will measure their renal function, evaluated by eGFR (calculated with the CDK-EPI formula), albumin excretion, fasting glucose, HbA1c%, and the exposure to phthalates, assessed by total concentrations of MEHP, MEOHP, MEHHP and adjusted for urinary creatinine. In this way, the investigators aim to point out the relationship of urinary phthalates with higher degrees of albuminuria and/or lower eGFR after adjustment for all potential confounders, including therapies.

NCT ID: NCT03610087 Recruiting - Psychosis Clinical Trials

Technology Enabled Collaborative Care for Youth

Start date: July 25, 2018
Phase: N/A
Study type: Interventional

The overall objective is to develop scalable interventions to address the physical health needs of patients affected by first episode psychosis (FEP). The objective of this project is to conduct a feasibility study of a high intensity Technology-Enabled Collaborative Care (TECC) model compared to lower intensity self-help modules and email support for early identification and treatment of cardio-metabolic risk factors in youth, ages 16-29, affected by first episode psychosis.

NCT ID: NCT03599531 Recruiting - Clinical trials for Cardiovascular Diseases

Utility of the SomaLogic CVD Secondary Risk Panel for Cardiovascular Risk

Start date: June 13, 2017
Study type: Observational

This is a prospective pilot study of participants who have stable coronary heart disease (CHD). Participants undergo risk stratification using the SomaLogic CVD Risk Panel blood test at baseline and again 4-12 months after the initial test. Participant surveys and chart abstractions are conducted at baseline and follow-up to collect feedback about the test report and actions taken. Care teams may consider using the risk information from the SomaLogic panel to address care gaps. Medical treatment decisions and recommendations are confirmed by established clinical methods, including blood pressure monitoring, BMI, lipid and CRP measurements, and physician's clinical judgment.

NCT ID: NCT03594812 Not yet recruiting - Clinical trials for Cardiovascular Risk Factor

Effect of Aerobic Exercise Associated With Abdominal Radiofrequency on on Adipose Tissue in Women:

Start date: July 15, 2018
Phase: N/A
Study type: Interventional

The purpose of the present study was to evaluate the effects of one session of aerobic exercise associated with radiofrequency in lipolytic activity and lipid profile.

NCT ID: NCT03584256 Completed - Clinical trials for Vitamin D Deficiency

Vitamin D Status Among Competitive Female Gymnast and Swimmers After Winter Time

Start date: April 5, 2018
Study type: Observational

As indoor athletes, competitive gymnasts and swimmers can face the problem of a potential vitamin D deficiency. In the last decades, indoor sports participants have been faced with the problem of an institutionalized lifestyle and, in some places, a lower exposure to sun, which is also associated with the geographical area with a lower or higher UV index, especially in autumn, winter, and early spring (from October to April), when the day is shorter and the clock shifts to winter time. The problem with gymnasts and swimmers lies in daily trainings in the gym and pool and in the daily rest between two trainings, which can be spend more or less institutionally. The investigators wanted to examine the vitamin D status related to bone mineral density, body composition and various cardiovascular markers among young competitive gymnasts and swimmers after winter time. The investigators want to potentially give more solid but sensible recommendations for trainers, athletes, parents and sports doctors when it comes to vitamin D supplementations for indoor female athletes.