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Life sciences · Interventional Study
ClinicalTrials.gov · October 23, 2026
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Interventional Study.
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Registry record from ClinicalTrials.gov (NCT07750262). This is a study registration, not published results. Lead sponsor: University of Michigan. Recruitment status: RECRUITING. Phase: NA. Study type: INTERVENTIONAL. Enrollment: 50 participants (ESTIMATED). Conditions: Heart Failure. Interventions: BEHAVIORAL: Mobile application intervention. Primary outcome measures: Step count 4 hours after a decision point for micro-randomized messages , 4 hours after a decision point. Brief summary: Physical activity is known to help patients with heart failure feel better and live longer though few patients with heart failure are sufficiently active. This study is evaluating whether a mobile health intervention can help patients with heart failure increase physical activity levels and remain active over time. The mobile health intervention consists of three parts: Notifications encouraging physical activity, a digital health coach trained in motivational interviewing, and a mobile application which encourages goal setting and activity monitoring.