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Development of a Digital Personalised Nutrition Tool for Adolescents Undergoing Cancer Treatment

Sponsor: KU Leuven • ClinicalTrials.gov ID: NCT07865117

Registry updated: 2026-10-08

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Description

This study aims to develop and test MybYte, a smartphone tool designed to support personalised nutrition for teenagers aged 12-18 undergoing cancer treatment. MybYte will ask short questions about eating, appetite and treatment-related symptoms and provide personalised nutrition advice developed by healthcare professionals. In Phase 1, around 15 teenagers will help co-design and refine the tool through interviews and feedback. In Phase 2, around 15 newly diagnosed teenagers will use MybYte for one week each month over six months, alongside routine assessments of nutrition, body composition, taste, energy needs and quality of life. The study will assess whether MybYte is acceptable, practical and helpful for teenagers receiving cancer treatment.

Interventions

The MybYte tool, a digital personalised nutrition tool for adolescents undergoing cancer treatment (Other)
In Phase 2, a feasibility and acceptability study, all participants will use MybYte for 7 days each month over 6 months. Using experience sampling methodology (ESM), the tool sends 3-5 brief prompts per day about dietary intake, treatment-related symptoms and side effects, appetite, and taste preferences. Based on their responses, participants receive immediate, targeted nutrition tips. Once a month, researchers will integrate body composition and dietary intake data to provide more personalised nutrition feedback and advice. The tool is primarily a health communication tool.

Eligibility criteria

Inclusion Criteria * Written informed consent has been obtained from a parent/legal guardian. * Written assent has been obtained from participants. * Aged between 12 and 18 years at the time of enrolment. * Ability to use a smartphone independently. * Adequate cognitive capacity to participate in study procedures, as determined by the research team. * Proficiency in Dutch * For Phase 1: * Currently receiving, or having previously received cancer treatment (including chemotherapy) at University Hospitals Leuven within the specified age range. * For Phase 2: * New histological diagnosis of cancer * Enrolled into the study within 6 weeks of diagnosis. * Currently receiving cancer treatment (including chemotherapy) at University Hospitals Leuven. Exclusion Criteria Phase 1 and 2: * Presence of cognitive, developmental, or neurological impairments that compromise the ability to provide informed consent or assent, or that impair \\ independent use of a digital tool * Medical instability or clinical condition deemed too unwell for participation, as determined by the treating clinician. * Admitted to the intensive care unit during the enrollment period. * Currently on a palliative care trajectory.

Conditions

Paediatric Oncology Malnutrition in Children

Locations

University Hospitals Leuven (UZ Leuven) — Leuven, Vlaams Brabant, Belgium

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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