Can a smartphone app help heart failure patients get fitter?
NCT ID NCT05873543
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a 12-week smartphone-assisted cardiac rehabilitation program, guided by a case manager, can improve exercise ability and daily life in 150 adults with stable heart failure. Participants will be randomly assigned to the smartphone program or usual care. The goal is to see if the program is feasible and leads to better exercise capacity and adherence.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2024
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients with heart failure between the ages of 18 and 80 years old. * NYHA (New York Heart Association) functional classification of 1 to 3. * Patients must be in a stable condition and under outpatient follow-up. Exclusion Criteria: * Patients who have contraindications for exercise according to the American College of Sports Medicine's Guidelines for Exercise Testing and Prescription. * Patients who are unable to complete cardiopulmonary exercise testing. * Patients who are unable to follow verbal instructions. * Patients who are unable to walk independently or pedal a stationary bicycle. * Patients who are unable to use communication app on a smartphone. * Patients who already engage in physical activity exceeding the recommended moderate intensity of 150 minutes per week or are currently participating in cardiac rehabilitation. * Patients who do not provide consent to participate in the trial.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital
RECRUITINGTaipei, Taiwan
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