Neoplasms

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Behaviors and Mental Disorders

Breast Neoplasms

Breast Diseases

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All Drugs and Chemicals

Participants will be instructed to download the Sidekick Health app and receive a code to access the 14-week digital intervention in addition to standard of care, as is defined for the control arm.

Beyond this, all patients in the interventional arm will also receive standard of care as defined for the control arm.

The control arm will receive standard of care treatment. Standard of care includes medical treatment at Landspitali University Hospital, and optional cancer rehabilitation at the Ljósið Cancer Rehabilitation Center.

A digital solution that supports healthy lifestyle changes, provides disease and side effect education as well as daily tasks for patients diagnosed with breast cancer.

A digital health program for patients with Breast Cancer

Sigríður L Guðmundsdóttir, PhD

Sidekick Health has developed an interactive digital health program (SK-421) to support breast cancer patients. The study will be a single center pilot study with an intervention group and a comparison group aiming to recruit 66 breast cancer patients prescribed to surgery, chemotherapy, radiation and/or hormonal therapy according to standard breast cancer treatment.

This pilot study will determine whether the digital health program, supporting lifestyle changes, can positively impact management of side effects, quality of life, physical activity and fitness and medication adherence in this patient population.

Patients will be randomized to receive either the standard of care (SoC) treatment alone or SoC with the addition of the digital healthprogram.

Many cancer survivors do not achieve previous levels of function and report prolonged fatigue, cognitive limitations, depression, anxiety, sleep problems, pain, or sexual dysfunction for up to ten years after diagnosis. In addition to symptoms related to the cancer itself, most cancer treatments cause physical and psychosocial side-effects that can affect a patient's physical function, mental well-being, and overall quality of life (QoL). These treatment-related side effects are most prominent during treatment but can also persist long after completion of the treatment with some becoming chronic and others developing as late side effects.

The European Society of Medical Oncology (ESMO) recommends encouraging patients towards adopting a healthy lifestyle including diet modification and exercise as well as addressing psychosocial needs.

Sidekick Health developed a 14-week digital health program (SK-421) with patient support aiming to increase the health related quality of life of breast cancer patients and improve management of treatment-related side effects.

The aim of this study is to assess the effectiveness of this digital health program when added to standard of care treatment. By comparing the effect of adding a digital solution to the standard of care with standard of care only, this study will investigate the impact of a holistic, digitally delivered health program on quality of life, physical activity, medication and treatment-related side effects. The main analysis is done after 14 weeks, with exploratory follow-up analysis at 26 and 38 weeks.

Single-center prospective randomized open label pilot study

A Digital Solution for Breast Cancer Patients

Sidekick Health Digital Health Program (SK-421) for Breast Cancer Patients: a Pilot Study

Anonymized IPD may be shared with other researchers for relevant research purposes following complementary ethical review and approval from the Ethical Review Board.

Difference in change in total score of the 30-item Quality of life Core Questionnaire (QLQ-C30) between the intervention and control groups.

This 30-item questionnaire is composed of 28 questions with a Likert scale of 4 options where 1 represents "not at all" to 4 "very much", and 2 questions with a Likert scale of 7 options where 1 represents "very poor" to 7 "excellent". Scores on the QLQ-C30 range from 30 to 126, with a lower score representing a higher quality of life.

Difference in change in the total score of the 45-item Quality of life Breast Cancer Questionnaire (QLQ-BR45) between the intervention and control groups.

This 45-item questionnaire is composed of 45 questions with a Likert scale of 4 options where 1 represents "not at all" to 4 "very much". Scores on the QLQ-BR45 range from 45 to 180, with a lower score representing a higher quality of life.

Difference in change in the total score of the 12-item Quality of life Fatigue questionnaire (QLQ-FA12) between the intervention and control groups.

This 12-item questionnaire assesses physical-, cognitive- and emotional fatigue, the questionnaire is composed of 12 questions with a Likert scale of 4 options where 1 represents "not at all" to 4 "very much". Scores on the QLQ-FA12 range from 12 to 48, with a lower score representing less fatigue.

Difference in change in the total score of the 21-item Depression, Anxiety and Stress Scale (DASS21) questionnaire between the intervention and control group.

Each question has a Likert scale of 4 options where 0 represents "did not apply to me" to 3 "applied to me very much". The scores on the subscales range from 0 to 63, and low scores indicate a better mental health status.

Difference in self-assessed medication adherence between intervention and control group as measured by the 8-item Morisky Medication adherence Scale (MMAS-8).

The MMAS-8 is an 8-item structured, self-reported medication adherence measure. The total scale has a range of 0 to 8, with \<6 reflecting low adherence, 6 to \<8 reflecting medium adherence, and 8 reflecting high adherence.

Difference in change in weight in the intervention and control groups from baseline to 14 weeks.

Weight is measured in kilograms.

Difference in change in body composition in the intervention and control groups from baseline to 14 weeks.

Changes in body composition (fat mass and lean mass), measured by InBody 770 Body Composition Analyzer.

Fat mass and lean mass are both expressed as percentage (%).

Difference in change in estimated maximum rate of oxygen the body is able to use during exercise (VO2 max) in the intervention and control groups from baseline to 14 weeks.

VO2 max is assessed with the Åstrand ergometry test and is expressed as:

mL oxygen/kilograms x minute.

Difference in change in total score of the EuroQuol Five Dimension - Five Level (EQ-5D-5L) health questionnaire in the intervention and control groups from baseline to 14 weeks.

EQ-E5-5L scores range from -0.530 to 1, with higher scores indicating a better health status. A score of 1 indicates full health.

Difference in change in a 6-item Self-Efficacy for Managing Chronic Disease questionnaire (SEMCD) score between the intervention and control groups from baseline to 14 weeks.

The SEMCD covers several domains that are common across many chronic diseases, symptom control, role function, emotional functioning and communicating with physicians.

The SEMCD questionnaire is composed of 6 questions with Likert scales of 10 options where 1 represents "not at all confident" to 10 "totally confident". Scores on the SEMCD range from 6 to 60, with a higher score representing a higher self-efficacy.

Score in the MHealth App Usability Questionnaire (MAUQ) of intervention group.

This 18-item questionnaire is composed of questions with Likert scales of 7 options where 1 represents "strongly disagree" to 7 "strongly agree". Scores on the MAUQ range from 18 to 126, with a higher score representing a higher usability.

Qualitative semi-structured interviews with a subset of participants in intervention group

Spots Global Cancer Trial Database for a digital health program for patients with breast cancer