View clinical trials related to Aging.
Filter by:The purpose of the Taste Perception Study is to assess variations in the ability to taste and perceive sensations from various stimuli in younger (18-49 years) and older (50-85 years) volunteers. The study's goal is to determine how these sensations influence what one likes to eat, and what one chooses to eat, and whether there is an association with dietary intake, body composition and chronic disease. Another objective of the study is to determine the association between variations in oral sensations and genes mediating sensory perception and dietary behaviours.
In older, normal-weight women (60-75 yrs, BMI=18-28 kg/m2), an acute bout of higher-intensity (60% of maximum effort) aerobic exercise, in comparison to an isocaloric bout of lower-intensity (45% of maximum effort) exercise (caloric expenditure of 3.5 kcal/kg body weight for both), will result in differential: 1. decline in non-exercise activity calorie expenditure in the subsequent 48 hours after exercise; 2. increase in resting metabolic rate 48 hours after exercise; 3. increase in serum free triiodo-L-thyronine (free T3) concentrations immediately following exercise; 4. decline from pre-exercise in plasma leptin and serum free T3 concentrations 48 hours after exercise.
This is an experimental research study. The subjects were randomized into two groups: Experimental group (EG; n=58, age: 67 ± 6 old) and Control group (CG; n=40; age: 70 ± 6 old). All were physically active without strictly obeying in regularity of the program of physical activity. The functional autonomy was evaluated by the amount of tests of Group Development of Latin American Maturity (GDLAM). It consists of hiking ten meters (C10m); standing up from the sitting position (SSP); to stand up from the ventral decubitus position (SSPVD); to stand up from a chair and be able to walk around your home (SCWH); and to be able to wear and remove a t-shirt (DTS). These tests have showed similar results in indice of GDLAM (IG). The intervention took place three times a week, with intensity that has varied between fifty five to seventy five per cent of the frequency maximum from heart.
The purpose of this study is to see if exercise can improve brain function in older adults
This proposal is a randomized control trial using innovative interactive health technologies to promote and sustain walking behavior among elderly patients. The technology uses an Embodied Conversational Agent (ECA), a computer character that simulates face-to-face conversation. The trial will be block randomized by literacy status and include an intensive two-month, daily contact intervention via a Tablet PC ECA in the subject's home, an automated telephone program, and then an in-clinic, kiosk-based ECA for an additional 10 months, to promote maintenance of walking behavior. The study will occur in 2 phases, a pilot phase in which 20 subjects will be enrolled for the purpose of pre- testing the intervention and all data collection instruments, and a main study phase in which an additional 264 subjects will be enrolled.
Autologous platelet rich fibrin matrix will release growth factors which could increase the production of dermal proteins or affect the vascularity and status of neighboring tissues. This study is designed to evaluate the histologic and biochemical effect of injection of platelet rich fibrin matrix into the skin.
An increase of longevity and of the number of men and women older than 60 years old is observed in most industrialized countries. Aging is a complex, multifactorial and continuous process involving physical and biological modifications such as a notably decrease in glucose tolerance and type 2 diabetes risk. Insulin sensitivity follow-up during aging is difficult mainly because of many confounding factors (environment, lifestyle). In 2006, SUVIMAX 2 study began, based on the monitoring of volunteers who participated in former SUVIMAX study (1994-2003). This study was a randomised trial which was designed to study the link between a low antioxidant intake and risk of cancer or ischemic heart disease. The subjects recently had a health check-up including complete information about their diet, physical and neurosensory status. Based on these data, a score was established to classify subjects according to their quality of aging ("successful aging versus "problematic aging") These volunteers, who undertook a 13-year follow-up (dietary and medical status), constitute the reference population to determine the mechanisms involved in the insulin resistance development in aging. The purpose of our research work is to determine whether the quality of aging could influence insulin sensitivity, by studying metabolic profile and change in gene expression (genes involved in glucose metabolism and metabolic senescence in muscle tissue) during aging.
The purpose of this study was to examine the role skeletal muscle perfusion plays in mediating muscle protein synthesis in healthy older and younger individuals. The investigators hypothesized that normalization of muscle perfusion in older men and women via exercise or infusion of a vasodilator would enhance nutritive flow and skeletal muscle protein synthesis in the elderly similar to that of their younger counterparts.
This study will look to see if there are changes in the blood cells that are associated with bone disease and sort out effects that are due to the HIV virus itself, the medications and see if faster aging occurs in the cells of HIV infected persons. Bone disease will be measured by a special X-ray called a DEXA scan. A DEXA scan is used by doctors to see if someone has normal bone mass for their age or if there is thinning of the bones. The purposes of this study are: - to learn how common bone disease is in HIV infected patients over the age of 50 years that receive their care at the CORE Center - to see what are the common causes of bone disease in older HIV infected persons - to see if there are differences in blood cells and levels of cytokines in patients who do or do not have bone disease, as this may help researchers determine the cause of bone disease.
Aging is typically associated with a decrease in skeletal muscle mass and muscle function, which contributes decisively to disability in old age and to the loss of quality of life.Resistance exercise can increase muscle strength, function and mass in older adults. The primary aim of this study is to determine whether the combination of resistance training with a supplementation of a cysteine- rich whey protein isolate (Immunocal) compared to combination of resistance training with casein used as control (casein contains little cysteine) could have the potential to provide a synergic beneficial impact on muscle mass and function which could translate to an improved quality of life in elderly persons.