ClinicalTrials.gg
RecruitingNCT06626672Updated Jan 29, 2025

Digital Health Promotion for Children With Congenital Heart Disease and Their Guardians

An interventional study of Digital Health Intervention in Congenital Heart Disease and Pediatric ALL, sponsored by Deutsches Herzzentrum Muenchen. Recruiting at 1 site in Germany. Open to participants aged 8 Years to 14 Years. Per ClinicalTrials.gov, last updated 2025-01-29.

Sponsored by Deutsches Herzzentrum Muenchen · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Primary completion was expected by Jan 2026, 10 months ago, but the record still lists the study as recruiting.
  • Started Oct 2024; still recruiting 2 years 1 month later.
Phase
Not applicable
Study type
Interventional
Enrollment
60
Allocation
Randomized
Ages
8 Years to 14 Years
Sex
All
01

Study summary

Congenital heart disease (CHD) affects approximately 1% of live births, and children with CHD often fail to meet WHO physical activity guidelines. Digital interventions to promote physical activity in CHD patients are limited. This study will develop and test a 12-week digital lifestyle intervention for children (ages 8-13) and their guardians, using a Garmin Vivofit Jr. 2 wearable to continuously monitor physical activity (PA). We will assess its impact on children's moderate to vigorous intensity physical activity (MVPA), daily activity (steps per day), quality of life, nutrition, and health literacy, as well as the quality of life and health literacy of their parents.

02

Conditions studied

  • Congenital Heart Disease
  • Pediatric ALL

Keywords

  • Congenital Heart Disease
  • Congenital Heart Defect
  • Child
  • Physical Activity
  • Exercise
  • MVPA
  • Digital Health
  • Telemedicine
  • Health literacy
  • Quality Of Life
03

In context

Heart Defects, Congenital

991 studies on the registry are indexed under Heart Defects, Congenital; 251 are open to participants now.

This study's planned enrollment of 60 is close to the median of 60 across 507 interventional studies indexed under Heart Defects, Congenital.

Browse Heart Defects, Congenital studies →

Lead sponsor

Deutsches Herzzentrum Muenchen is the lead sponsor of 114 studies on the registry; 10 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
8 Years to 14 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Ages 8-14 years
  • Presence of a congenital heart defect (must be moderate or complex according to ACC criteria)
  • Class I or II
  • Presence of written

Exclusion criteria

Exclusion Criteria:

  • Cognitive impairments that inhibit patients from understanding the tasks
  • No sports clearance by paediatric cardiologists
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

NYHA class (heart failure)

The New York Heart Association’s four classes of how much heart failure limits physical activity.

I
No limits: ordinary activity causes no undue tiredness or breathlessness.
II
Slight limits: comfortable at rest, ordinary activity causes symptoms.
III
Marked limits: comfortable at rest, less than ordinary activity causes symptoms.
IV
Symptoms even at rest; any activity makes them worse.

Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
60 participants (estimated)

Study arms

  • Experimental
    Digital Health Intervention

    Children and their guardians are given access to a 12-week digital platform with content to improve their lifestyle. Physical activity is monitored with a Garmin Vivofit Jr. 2.

    Behavioral: Digital Health Intervention

  • No intervention
    Control

    During 12-week control period participants receive no access the digital platform. Physical activity is monitored with a Garmin Vivofit Jr. 2.

Interventions

  • BehavioralDigital Health Intervention

    Access to a digital platform including weekly workout videos, live workouts, recipes, study summaries, and a consultation hour.

06

What researchers measure

Primary outcomes

  1. Physical activity

    Physical activity is objectively assessed with the wrist worn wearable "Garmin vivofit jr. 2". Daily physical activity is measured on the basis of active minutes in moderate-to-vigorous intensity.

    Time frame: 12 weeks

Secondary outcomes

  1. Daily step count

    Children's daily step count is objectively assessed using the wrist-worn wearable device, Garmin Vivofit Jr. 2.

    Time frame: 12 weeks

  2. Health-related quality of life

    Children's health-related quality of life is self-assessed via the KINDL® questionnaire. The KINDL® is a generic instrument for assessing health-related quality of life in children and adolescents. The KINDL® is a short, methodologically tested and flexible measurement instrument consisting of 24 questions on the six areas of body/physis, feelings/psychology, self-assessment, family, friends and school.

    Time frame: Baseline, after 6 weeks, after 12 weeks

  3. Physical Activity Health Literacy

    Physical Activity Health Literacy Scale for Children (PAHL-C) evaluates children's self-reported knowledge and understanding of physical activity and its benefits through an 8-question scale.

    Time frame: Baseline, after 6 weeks, after 12 weeks

  4. Nutritional Health Literacy

    The Nutrition Health Literacy Scale for Children (NHL-C) measures children's self-reported knowledge and understanding of nutrition and healthy eating using an 8-question scale.

    Time frame: Baseline, after 6 weeks, after 12 weeks

  5. Health-Related Quality of Life: Parent Version (Proxy-Report)

    The KINDL® proxy-report assesses the child's health-related quality of life from the parent's perspective, using the KINDL® questionnaire designed for parents to provide insights on the child's health-related quality of life.

    Time frame: Baseline, after 6 weeks, after 12 weeks

  6. Health Literacy for Children

    Health Literacy Survey Questionnaire for Children (HLS-Child-Q15) assesses children's ability to seek, evaluate, and use health information, including disease prevention and health promotion.

    Time frame: Baseline, after 6 weeks, after 12 weeks

  7. Health Literacy for Adults

    Health Literacy Questionnaire (HLS EU-Q16) measures general health literacy in adults, covering access, understanding, and application of health information across various health domains.

    Time frame: Baseline, after 6 weeks, after 12 weeks

07

Study locations

1 of 1 sites recruiting
  • Department of Paediatric Cardiology and Congenital Heart Defects, German Heart Center of the State Bavaria (Munich), Technical University of Munich (TUM)
    München, Germany
    Recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 29, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06626672
Collaborators
Technical University of Munich, Stiftung KinderHerz Deutschland gGmbH
Responsible party
Sponsor
First posted
Oct 4, 2024
Start date
Oct 1, 2024
Primary completion
Jan 2026 (estimated)
Completion
Feb 2026 (estimated)
Last update
Jan 29, 2025

Study contacts

Jan Müller, Prof. Dr.
Contact
j.mueller@tum.de
‭0176 21149304‬
Isabel Uphoff, M.Sc.
Contact
uphoff@dhm.mhn.de
01639104022
Jan Müller, Prof. Dr.
principal investigator · Technical University of Munich, Chair of preventive perdiatrics

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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