View clinical trials related to Aging.
Filter by:Social isolation and reduced involvement in cognitive activities are associated with repercussions on cognitive well-being and health status in elderly adults. In particular, loneliness and social isolation represent risk factors in favouring cognitive decline and dementia. The Social Cognition Online Training (SCOT) project aims to evaluate the beneficial effects of an online intervention on social-cognitive functioning in healthy elderly subjects.
Nicotine enhances auditory-cognitive function because it mimics the brain's system for "paying attention" to important sounds amid distractions (for example, understanding speech in a noisy environment). In part, nicotine does this by activating inhibitory neurons in the auditory cortex. Since age-related hearing deficits result, in part, from the loss of inhibitory neurons in auditory cortex, this project will determine whether nicotine's effects can compensate for reduced inhibition in the aging auditory cortex and thereby restore auditory function. The investigators will use functional magnetic resonance imaging (fMRI) to measure the selectivity of responses in auditory cortex to tones of various frequencies. The investigators will measure the effects of nicotine (administered as chewing gum) and aging on these fMRI response properties. The investigators hypothesize that frequency selectivity will decrease with aging and increase following nicotine administration.
The demographics of the U.S. prison population are shifting at a dramatic rate requiring new approaches to prison healthcare. Current estimates suggest that there are 2.3 million incarcerated persons in the U.S. Similar to the free world, the aging of the Baby Boom generation is occurring in prisons. Notably, inmates 50 and older constitute over 20% of prisoners in state or federal facilities. From 1996-2016, there was an 280% growth in the number of state and federal prisoners age 55 or older, which is in sharp contrast to younger inmates that grew by only 3% during this time period. A surge in older adult offenders in the U.S. has not occurred but rather statutes now impose stiffer sentences, resulting in longer periods of incarceration, such as life without parole or 20+ years. At the same time, early release policies remain restrictive. As a result, sentenced offenders are living through middle and older adulthood within the confines of prisons.
Falls among older adults are a serious public health concern and injuries resulting from falls can cause significant loss of independence, premature death, and higher caregiver burden. Home-based fall prevention programs, such as the Otago Exercise Program, educate older adults about the importance of identifying fall risk and provide strategies for reducing fall risk; however, many are costly and are not scalable, accessible, or sustainable. This project will evaluate the use of a digital solution that translates evidence-based fall prevention programs (such as Otago Exercise Program and Matter of Balance) to a digital solution (Health in Motion Fall Prevention Platform), as an alternative to home-based fall prevention programs that is affordable, scales to the millions of older adults across the country at risk for falls and is sustainable for the older adult's life.
This study investigates the neural mechanisms of cognitive function decline, cognitive assessment methods for subjects with mild cognitive dysfunction (Mild cognitive impairment, MCI, or cognitive decline milder than MCI), and the approaches used to improve and restore cognitive function.
The study was designed to test the acceptability of the Si-Robotics system in a group of 20 subjects with Parkinson's Disease at an early stage, during a rehabilitation treatment based on Irish dancing. Assessments will be performed at the baseline and at the end of the treatment.
The investigators aim to study the effects of a 24-week remote-based resistance exercise training program on cardiovascular disease risk factors, cognitive function, and quality of life in older adults living with mild cognitive impairment or Alzheimer's Disease and/or a related dementia. Data for this study will be collected at the beginning, middle, and end of the resistance training program. Participants of this study will receive a baseline health-fitness assessment at the beginning of the study. Measurements of resting blood pressure, fasting blood glucose and lipids, waist and hip circumferences, height and weight, cognitive function and quality of life will be collected at the health-fitness assessment. Participants will then receive supervised remote-based resistance exercise training with Therabands, 3 days per week for 12 weeks before receiving a second 12-week health-fitness assessment in the middle of the intervention. Participants will then receive 12 additional weeks of supervised remote-based resistance exercise training with Therabands, 3 days per week for 12 weeks before receiving a third 24-week health fitness assessment at the end of the study.
The aim of the study is to evaluate the effect of plasmapheresis (repeated plasma withdrawals) on selected health indicators (hematological, biochemical, immunological and indicators of biological age) of plasma donors.
This is a prospective, single group, self-controlled study to evaluate the clinical and molecular impact of continuous in-home resonance-based electromagnetic field (EMF) protection device usage in healthy individuals.
High blood pressure (BP) is the major modifiable risk factor for cardiovascular diseases (CVD) and related health conditions, particularly among postmenopausal (PM) women. In adults age ≥50 years this risk is primarily driven by above-normal systolic BP (SBP ≥120 mmHg), as diastolic BP plateaus, then decreases in older adulthood. Although SBP is lower in premenopausal women vs. age-matched men, SBP reaches, then surpasses men after age 60. As such, >75% of PM women in the U.S. have above-normal SBP, which, in turn, is responsible for a 2-fold increase in risk of hypertension and corresponding increases in risk of CVD, chronic kidney disease and many other disorders. A key process linking high SBP to CVD and related conditions is vascular endothelial dysfunction, mediated by excessive reactive oxygen species (ROS)-induced oxidative stress and reductions in nitric oxide (NO) bioavailability. As the number of PM women is rapidly growing, further increases in SBP-related CV disorders are projected without effective intervention. - Aerobic exercise (AE) is a first-line, standard-of-care therapy for lowering BP. In PM women with baseline SBP ≥120 mmHg, AE reduces casual (resting) SBP by ~3 mmHg (back to baseline ≤4 weeks post-training), whereas 24-hour SBP is typically unchanged. However, only 25-30% of PM women meet guidelines for 150 min/week of moderate-intensity AE, citing the extensive time requirement, facility access and travel disruptions as major barriers. Another, far less recognized, limitation is that AE training consistently improves endothelial function in midlife/older men, but not in estrogen-deficient PM (PMe-) women, i.e., in >95% of the 60+million PM women in the U.S. Thus, establishing new lifestyle therapies that induce and sustain reductions in SBP and increases in endothelial function in PMe- women with above-normal SBP is an important public health goal. - High-resistance inspiratory muscle strength training (IMST) is a time-efficient (5 minutes per session) lifestyle intervention consisting of 30 inspiratory maneuvers performed against a high resistance. Preliminary data suggest 6-weeks of IMST performed 6 days/week reduces SBP by 9 mmHg in adults with above-normal SBP (i.e., greater than 120 mmHg) at baseline. Importantly, this reduction in SBP is equal to or greater than the reduction in blood pressure typically achieved with time- and effort-intensive healthy lifestyle strategies like conventional aerobic exercise. In addition, IMST improved endothelial function in the PMe- women in a small pilot study. - To translate these promising preliminary results towards clinical practice, this randomized clinical trial is being conducted to directly compare the efficacy of a longer, clinically relevant treatment duration of IMST (3 months) against home-based, moderate-intensity (standard-of-care) AE in PMe-women. The primary outcome will be the change in casual SBP (IMST vs. AE). Changes in 24-hour SBP and endothelial function will serve as secondary outcomes. Effects on NO bioavailability, ROS/oxidative stress, and the role of "circulating factors" will provide insight into mechanisms of action. The sustained effects on SBP and endothelial function also will be assessed. - Accordingly, a randomized, blinded, sham-controlled, parallel group design clinical trial will be conducted to assess the efficacy of 3-months of IMST (75 percent maximal inspiratory pressure) vs. brisk walking (40-60% heart rate reserve; an established healthy lifestyle strategy) for lowering SBP and improving endothelial function in PMe- women age 50 years and older with above-normal SBP. It is hypothesized that IMST will lower SBP and improve endothelial function by decreasing oxidative stress and increasing nitric oxide bioavailability. It is also expect that adherence to the intervention will be excellent (over 80 percent of all training sessions completed at the appropriate intensity). - To test this hypothesis, 90 PMe- women age 50 years and older who have SBP >/= 120 mmHg will be recruited. Participants will undergo baseline testing for casual (resting) SBP, 24-hour ambulatory SBP and endothelial function. Innovative mechanistic probes including pharmaco-dissection with vitamin C, analysis of biopsied endothelial cells, and high-throughput metabolomics, will be performed to assess oxidative stress and nitric oxide bioavailability at baseline. - After baseline testing, subjects will be randomized to perform either 3-months of high-resistance IMST or brisk walking. Subjects will train 6 days/week. Following 3 months of training, subjects will redo all the tests that were done during baseline testing to assess training-induced changes in SBP, physiological functions, and underlying mechanisms. Subjects will then cease training for 6 weeks before returning to the lab for follow-up testing to determine the persistent effects of IMST.