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105 active trials for Exercise

Benefits of Exercise Program in Pediatric HSCT

Deconditioning is a common adverse effect of short and long-term immobilization. For months pediatric hematopoietic stem cell transplant patients can be quarantined while hospitalized, much of which time is spent immobilized putting these patients at a higher risk for loss of muscle strength, functionality, endurance, and quality of life. Phoenix Children's Hospital is conducting approximately forty (40) transplants per year. Adult studies have shown that exercise as an effective counter measure to deconditioning in stem cell transplant patients. However, there is a knowledge gap in pediatric HSCT. Thus this study is being conducted to determine if there is a correlation between intra-hospital exercise and improved functionality, mobility, strength, and quality of life. To achieve these aims investigators will perform a randomized control study. The investigators will aim to recruit 40 patients, 20 in each arm, ages 4-21 at Phoenix Children's Hospital. Each participant will receive baseline measures by a physical therapist; for functionality using (WeeFIM), muscle strength using manual muscle testing (MMT), endurance using the 6-minute walk test, and quality of life using the NIH PROMIS measures. Measurements will be taken again at discharge and 6-weeks post-discharge. During hospital admittance the intervention group will perform exercise routines 3 times weekly while the control group will be treated per standard of care with no exercise intervention. Patients recruited must be receiving first HSCT. A full explanation of the study and possible benefits will be given to the patients and their families upon consent. Primary outcomes will look at endurance, functionality and muscle strength. Secondary outcomes will include QoL and amount of achievable "time out of bed".

Start: March 2019
Influence of Maternal Exercise on Infant Skeletal Muscle and Metabolomics

The American Heart Association suggests that heart disease prevention should target pregnancy and the first year of life; however, there is a fundamental gap in knowledge regarding the effects of prenatal exercise on the prevention of heart disease.[1, 2] Insulin resistance in skeletal muscle is believed to be a critical contributor to the metabolic syndrome which increases the risk for cardiovascular disease (CVD). Conversely, exercise improves insulin sensitivity and many other facets of skeletal muscle function and metabolism; however, it is unclear if this positive effect can be "imprinted" in the skeletal muscle of the fetus with maternal exercise and accordingly diminish CVD risk in offspring. Our previous studies found that exercise during pregnancy leads to improved heart measures and reduced adiposity.[3-6] These studies demonstrated the potential for maternal exercise to reduce risk for CVD, but the cellular mechanisms involved, however, are not clearly evident. The proposed project will fill this critical gap and assess the influence of maternal exercise intervention to "imprint" progenitor stem cells in the fetus (umbilical cord tissue) to develop into insulin sensitive skeletal muscle and also improve indices of infant morphometry and movement. Using a randomized design, 160 women will perform either exercise intervention (aerobic training, resistance training, or both) or usual care (controls). Infant cord tissue and blood will be sampled at birth while blood will be sampled at 1 month of age. Similarly, infant neuromotor and morphometric examinations will be performed at 1 month. and at 1-month of age via blood sample, neuromotor, and morphometric examinations. The rationale for the project is to elucidate the effects of maternal exercise on offspring health outcomes and determine specific metabolic targets predictive of offspring long-term disease risk. The investigators will test the central hypothesis that exercise during pregnancy alters skeletal muscle in a manner which decreases the risk of heart disease in offspring. To test this central hypothesis, the investigators will pursue two specific aims: Aim 1- Determine the ability of regular maternal exercise to imprint key myocellular metabolic (insulin sensitivity) properties of offspring mesenchymal stem cells (MSC), neuromotor function, and morphometry. Aim 2- Determine the distinct abilities of regular maternal exercise to imprint the metabolome of offspring MSC.

Start: September 2018
TAIC: Student-led Exercise for Older Adults at Risk of Falling

The National Records of Scotland population projections show the pension age population increasing by 25% over the next 25 years. Falls are a major cause of hospitalisation in older adults, one in three community dwelling older adults over 65 years of age fall each year. There is a need to explore novel methods of delivering care to a growing older adult population. A programme of exercise called OTAGO has been found to reduce the number of falls for older adults. Several studies have explored the use of students to lead exercise interventions but these have not included assessing the impact to student educational experiences and outcomes with varying degrees of success on patient outcomes and no adverse events. Research Aim: To examine the feasibility of a student-led exercise intervention in improving falls risk outcomes for community dwelling older adults at risk of falling referred from NHS falls services. Study Design: A feasibility study examining a single patient group undertaking a 12 week, student-led, OTAGO exercise class for community dwelling older adults at Glasgow Caledonian University. OTAGO consists of progressive strength and balance exercises. Participants will be screened, invited to consent to the trial, asked to undertake the 12 week intervention and assessed using physical measures before and after the trial and face to face interviews after the trial. Recruitment will be through the NHS Greater Glasgow and Clyde and Lanarkshire community falls teams and the exercise delivery is consistent with usual care, the main difference is the location and student leaders. Students are qualified OTAGO Leaders. Funding has been received from AGILE the Chartered Society of Physiotherapists professional network working with older adults. Student educational experiences and outcomes will be assessed over the study period and are included in a separate study protocol

Start: October 2019
Sympathetic Nervous System Mediation of Acute Exercise Effects on Childhood Brain and Cognition

Today's children have become increasingly inactive and unfit, with >50% of children not meeting the recommended 60 min of moderate-to-vigorous physical activity. Previous research has suggested that acute aerobic exercise of moderate intensity was associated with improved cognition manifested by improved performance and increased P3 amplitude, a neuroelectric indicator that reflects the amount of attentional allocation, in tasks requiring cognitive control. While minimal evidence exists to support potential mechanisms underlying the transient effects of exercise on brain and cognition, research suggests that phasic changes in the locus coeruleus-norepinephrine (LC-NE) (as measured by salivary alpha amylase (sAA)) system are a potential mechanism for explaining the acute effect of exercise on brain and cognition. Accordingly, the aim of this study is to examine the mechanisms linking acute aerobic exercise to improved cognitive control as well as the underlying neuroelectrical activities in children, using electroencephalography (EEG) and event-related potentials (ERPs). We hope to gain a better understanding of the role of acute exercise and cognitive and brain health. The results from this study will help identify mechanisms linking acute exercise to enhanced cognitive performance in children. Our hypothesis is that exercise-induced phasic increases in sympathetic nervous system activity will mediate the effect of a single bout of exercise on brain function, cognition, and standardized achievement test performance.

Start: March 2019