Clinical Research Directory

An Innovative App-based Intervention to Promote Social Connectedness and Well-being in Older Adults

This study evaluates the impact of a group-based intervention designed to promote social connectedness and enhance psychological well-being among older adults. The intervention lasts four months and is supported by a dedicated mobile application that helps participants discover local social activities, connect with peers who share similar interests, and stay informed about community events, with the aim of supporting (not replacing) in-person interactions. This randomized controlled trial assigns participants either to a treatment group, which receives digital literacy training, access to the app, and structured support from the research team to facilitate social engagement within their local community, or to a waitlist control group, which receives access to the app only after the study period. Assessments are conducted at baseline, post-intervention (4 months), and at a 2-month follow-up. The study evaluates changes in social connectedness, loneliness, psychological well-being, and technology use, using a mixed-methods approach combining self-report questionnaires, app-usage data, and qualitative feedback.

CAPABLE Care + Connect

In this evaluation scale-up research project, the investigators seek to test an implementation of CAPABLE on the infrastructure of home-based primary care for individuals who may experience social isolation and/or loneliness. These two home-based care programs may improve each other and provide opportunity to further improve quality of life for people living with disabilities and the caregivers. The purpose of this mixed methods study is to adapt and test CAPABLE, an existing evidence-based program, to a new target population with the scalable infrastructure of home-based primary care.

Increasing Physical Activity Through Social Support and Stress Resilience

The goal of this clinical trial is to learn the effects of technology enhancements when combined with basic education, goal-setting, and self-monitoring to increase physical activity among older adults living alone, experiencing subjective cognitive decline, and currently engaging minimal physical activity (60 minutes or less of moderate to vigorous physical activity). Further, we will examine key psychosocial mechanisms believed to contribute to successful promotion of physical activity, which include social support and stress resilience. The primary questions are to determine whether * the tech-enhanced condition lead to greater physical activity over time? * the tech-enhanced condition lead to social support and stress resilience over time? * social support and stress resilience mediate the relationship between the study condition and physical activity? All participants will engage in self-monitoring of physical activity, will receive weekly text reminders of their physical activity goals for the week, and will receive basic education about the importance of physical activity, social support, and stress resilience for cognitive, physical, and psychological health. Participants in the tech-enhanced condition will also receive access to a study-specific website and virtual coaching to reinforce the information presented. Researchers will then compare the tech-enhanced condition to the basic education condition to determine the benefits of technology to deliver the intervention materials in order to increase physical activity, social support, and stress resilience. Participants will: * Use a Garmin wearable device to monitor their physical activity * Be randomly assigned to a basic education condition or tech-enhanced condition * Set achievable goals for weekly physical activity, with incremental increases to achieve 7000 average daily steps by the end of the study * Respond to surveys to monitor their social support, stress resilience, quality of life, and depression. The sample has several risk factors for Alzheimer's disease and related dementias: low physical activity, social isolation risk via living alone, and subjective cognitive impairment. Therefore, a long-term goal includes the determination of the intervention's effectiveness at increasing physical activity, social support, and stress resilience to reduce risk for developing dementia.

Community-Based Social Connection Intervention Program to Improve Cardiovascular and Brain Health

This study evaluates the effectiveness of a community-based social connection intervention program (SCIP) designed to reduce social isolation and loneliness and improve cardiovascular and brain health among older adults living in rural Ecuador. Loneliness and social isolation are recognized risk factors for poor cardiovascular outcomes, cognitive decline, depression, and reduced quality of life. However, evidence from low- and middle-income countries, particularly in rural Latin American settings, remains limited. This protocol describes a quasi-experimental, longitudinal study conducted in three rural villages that have been part of a long-standing population-based cohort. The intervention will be implemented in one community and compared with two similar communities that will continue receiving usual community activities. SCIP consists of three components: (1) monthly community activities and educational talks designed to promote social participation; (2) monthly peer-support group sessions facilitated by trained personnel; and (3) individualized home-based coaching delivered twice per month, incorporating principles of Social Cognitive Theory and Cognitive Behavioral Therapy. The program aims to strengthen social networks, enhance coping skills, and promote healthier behaviors. Participants aged 60 years and older will be enrolled and followed for 12 months. Assessments will occur at baseline, 6 months, and 12 months. Primary outcomes include changes in social isolation (Lubben Social Network Scale-6) and loneliness (De Jong Gierveld Scale). Secondary outcomes include cardiovascular health (Life's Essential 8), sleep quality (Pittsburgh Sleep Quality Index), cognitive performance (Montreal Cognitive Assessment), depressive symptoms (DASS-21), and quality of life (SF-36). Exploratory outcomes include incident stroke, cardiovascular events, and mortality, monitored through ongoing community surveillance. This study will generate evidence on the feasibility and impact of a culturally adapted, community-based intervention to promote social connection and healthy aging in a resource-limited rural setting. Findings may inform scalable public health strategies for older adults in similar contexts.

Tech-based Respite Care for Caregivers and Homebound Older Adults

The goal of this study is to examine the effectiveness of VR-based respite in improving cognitive function, mental health, and quality of life in caregivers and homebound older adults compared to a control group using videos and a usual care group. Participants are randomly assigned to one of three groups: VR intervention, video control, or usual care. The VR group receives immersive VR sessions using the SilVR Adventures platform. The video group receives non-immersive video sessions with similar content. The usual care group receives no additional intervention. Assessments are conducted at baseline, immediate post-intervention, and 3 months post-intervention to measure changes in depression, anxiety, loneliness, quality of life, and other outcomes. The intervention dosage will be 4 weeks (1 sessions/week; 30 min/session). Secondarily, the study explores differences in effectiveness between caregivers and homebound older adults, and potential moderators or mediators such as baseline health status, technological literacy, and social support.

Virtual Senior Center

In a 3-group trial with randomization and follow-up for 12 months, we will compare use of the VSC as well as health and quality of life outcomes among 650 older adults in St. Louis who receive either: (1) home delivered meals AND a GrandPad; (2) home-delivered meals but no GrandPad for 6 months; and (3) in person meals at senior center but no GrandPad.

Multimodal Training With Immersive Virtual Reality to Improve the Cognitive Health and Emotional Well-being of Older Women Living Alone

This study aims to evaluate the effectiveness of an immersive virtual reality-based multimodal intervention (VirtualDONA) to improve cognitive health and emotional well-being in older women living alone and at risk of poverty. The intervention combines mindfulness, cognitive, and physical training in a group format over 8 weeks.