View clinical trials related to Aging.
Filter by:The purpose of this study is to test feasibility for the delivery and perceptions of a lifestyle model for middle-aged and older adults by involving participants in its development. The goal of the program is to reduce sedentary behaviour, increase physical activity, and increase strength and balance. An optional walking program will be run in parallel to emphasize the importance of moving more. Participants will be asked to fill out questionnaires on course delivery, content and effect throughout the program and 2-3 recorded interviews throughout the study. We will collect measurements of physical performance before and after the program.
Aging is associated with numerous changes and adaptations in the cardiovascular system. Vascular and ventricular wall thickness increase, whereas arterial compliance, endothelial function, and ventricular contractility decline. The decline in cardiac function with advancing age is typically seen in parallel to reduced physical activity, and it has been proposed that lifelong exercise training might attenuate the effects of aging on the heart. The cardiovascular system undergoes several age-related changes. For most healthy older individuals, the heart generally functions well under resting conditions. Structural and physiological changes tend to result in diminished exercise tolerance. However, increasingly it has been shown that even some of these changes are more a result of a sedentary lifestyle than an age-related phenomenon. Most elderly people tend to become less physically active. It is difficult to separate changes intrinsic to the aging process from those arising as a result of a sedentary lifestyle.
The goal of this research study is to examine whether an intervention to increase physical activity using a body-worn sensor affects cognitive (thinking) processes.
Aging has been associated with reduced bioavailability of nitric oxide (NO) and endothelial dysfunction. Beetroot consumption, a nitrate-rich food, has been associated with increased NO bioconversion, which may promote beneficial effects on vascular health. The present study evaluated the effects of a beetroot-based nutritional gel (BG) on vascular function, arterial stiffness and blood pressure in the elderly at cardiometabolic risk. Twenty elderly individuals were submitted to BG and nitrate-depleted gel (PLA) interventions. Brachial flow-mediated dilation (FMD), blood flow velocity (BFV), peak wave velocity (PWVβ), augmentation index (AI), stiffness parameter (β), pressure-strain elasticity modulus (Ep), arterial compliance (AC), muscle oxygenation and function were measured 90 min after interventions. Urinary nitrate, nitrite, systolic blood pressure (SBP), diastolic blood pressure (DBP) and heart rate (HR) were measured at baseline, 90 min and 150 min after interventions.
Cognitive decline and dementia have become important public health issues in our time as medical science has increased lifespan and our society becomes progressively older. A great deal of the cognitive decline due to aging can be explained by decline in working memory (WM), a mental function central to cognition in which aging deficits appear almost universally. Attempts to use WM training to increase WM ability in older adults has had some success, but the transfer of performance enhancements caused by this training to other cognitive skills is controversial. Another intervention that shows much promise is noninvasive stimulation of cerebral cortex using transcranial magnetic stimulation (TMS), which has been shown to increase performance in many cognitive tasks. Here, the investigator proposes to use fMRI-guided rTMS to enhance working memory performance. This will be achieved through three Aims. In the first, registered on this record, the investigator will stimulate both old and young healthy adults while they perform the WM task that will engage the frontoparietal network. To define the optimal rTMS target, rTMS will be applied over the dorsolateral prefrontal cortex (DLPFC: Aim 1a); or over the parietal cortex (PC: Aim 1b). These regions are involved not only in the maintenance of items in WM, but also in their manipulation, therefore applying rTMS over these areas should create WM performance enhancements that will be long-lasting. In Aim 1c, a direct within-subject comparison of these 2 targeted sites is performed. In the second and third Aims, older adults will receive active or sham rTMS over the optimal target (defined in Arm 1) during two weeks of daily sessions while they perform the WM tasks. In the second Aim, the investigator hopes to demonstrate that the cumulative effect of multiple TMS sessions, in tandem with the synergistic effects of simultaneous TMS + WM training, create WM performance enhancements greater than those found with WM training alone, whose effects are long-lasting, continuing a month following the course of TMS sessions. In the third, the investigator will investigate whether the WM enhancements generated by the two weeks of TMS sessions will generalize to other cognitive tasks. The success of these 3 Aims will provide proof in principle for long-lasting, transferable effects of TMS in remediating WM and more general cognitive deficits due to aging, and point to a possible non-invasive brain stimulation therapy for cognitive decline in healthy aging and in dementia. This record is a reflection of Aim1, Aim 2 and 3 will be registered separately.
Basic science and observational human studies suggest that high conentrations of circulating Advanced Glycation End-products (AGEs) may promote cognitive decline in older adults. The purpose of this pilot study is to test the methodology and feasibility of a dietary intervention to lower AGEs in elderly diabetics in order to lay the foundations for a future fully powered randomized clinical trial (RCT).To this end, the present study is focused on recruitment strategies, adherence to an innovative intervention in older adults and study methods. An exploratory aim will be the effect of the intervention on cognition and cerebral blood flow in order to obtain necessary data to estimate effect-size for a future fully-powered RCT.
Heterogeneous modalities of aging lead to describe three categories of elderly patients: 1-healthy without frailty, 2- healthy with frailty, 3- patients with chronic disease(s) and frailty. Frail people have a high risk of losing functional independence and as a consequence they require more help for day to day life. It is known in elderly that physical activities, nutrition, social environment are important to maintain functional independence. For patients with disabilities, less is known about the occurence of dependance with aging. That is of growing importance because life expectancy of disabled patients has increased a lot during last decades, and because caregivers, often parents, also become elderly and frail. So the investigators will require tools to anticipate prevention and supportive needs for this specific population. The goal of this study is to evaluate if the participants (disabled patients over 40 years old) of a well-defined region in the south-east of France (400000 inhabitants), and to assess their needs, using the Functional Autonomy Measurement System (SMAF) developed for assessment of the elderly, by Rejean Hebert & Nicole Dubuc's team in Sherbrooke University (Quebec/Canada).
Motivations: Socio‐economic and education determinants have a big impact on health outcomes, in terms of worse health status in populations living in more disadvantaged conditions. Social capital, self‐management and health literacy are some of the intermediate determinants, with the potential to mitigate health inequalities through interventions driven by local health agents. These three determinants are intensely interlinked and have, separately, impacts on self‐perceived health. Social capital is defined in this project as an umbrella concept, which includes quantitative aspects of social resources (structural social capital: social networks and contacts, social and civic participation) as well as qualitative or subjective aspects (cognitive social capital: perceived social support, feeling of belonging and trust) and covers relations between subjects at a micro or individual level (family and friends) as well as at a macro or community level. Health literacy is understood as cognitive and social skills which determine the motivation and ability of individuals to gain access to, understand and use information in ways which promote and maintain good health. Both are key aspects for self‐management behaviours. The target of our research project are older people living in urban socioeconomically disadvantaged areas, since ageing is in itself an inequality axis and urban environments concentrate the highest health disparities. Objectives: With the aim to reduce health inequality, an intervention has been designed to promote self‐management, health literacy and social capital among older people who perceived their health as fair or poor and are living in urban socioeconomically disadvantaged areas with the aim of improving their self‐perceived health. Secondarily, the efficacy of the intervention will be analysed in terms of increasing self‐management, health literacy and social capital (social support and social participation), quality of life, mental health and healthy lifestyles. In third place, behavioural health patterns will be identified in relation to health literacy, social capital, gender, socioeconomic and educational level, and they will be linked to the intervention efficacy levels.
The purpose of this study is to examine the effects of modifiable lifestyle factors including exercise and healthy living on brain health. The investigators will compare 2 types of interventions, moderate aerobic walking vs. healthy living education, over 6 months to evaluate changes in brain health, cognition, and physical function in older adults with cognitive concerns.
The purpose of this study is to compare the safety and efficacy of Neuramis® Volume Lidocaine, which is a biomaterial prosthesis and graft, with Juvederm® Voluma® with Lidocaine, for the patients who need correction due to a moderate-to-severe volume loss in the mid-facial region by inducing temporary volume restoration in mid-facial region. After the pivotal study, extension study will be conducted to confirm long-term safety and efficacy.