"Exercise Intervention to Increase Physical Activity in Young Sarcoma Survivors (Sport Ist Herzenssache)"

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age15+
SponsorUniversität Duisburg-Essen

About this trial

Survivors of bone and soft tissue sarcoma often face long-term health problems after their cancer treatment, such as muscle weakness, joint stiffness, and reduced heart and lung fitness. Because of this, many survivors are less physically active than their healthy peers, which can further increase their risk of heart disease and other late effects later in life.

This study, called "Sport ist Herzenssache" ("Sports is a Matter of the Heart"), tests whether a personalized exercise program can help young survivors (aged 15-39) become more physically active. All participants receive a fitness tracker (smartwatch) to monitor their daily activity. Half of the participants are randomly assigned to also receive an individualized home exercise plan, including strength and endurance training, with some sessions guided online by an exercise specialist.

Before and after an 8-week exercise period (with continuous activity tracking for about 13 weeks total), participants complete simple physical tests (such as walking and balance tests), a heart and fitness check-up, and questionnaires about their quality of life and energy levels.

The main goal is to find out whether the personalized exercise plan helps participants become more active in daily life, measured in minutes of moderate-to-intense activity per day. The study also looks at effects on heart health, physical function, and overall well-being.

The results will help determine whether structured exercise support should become a standard part of long-term follow-up care for young sarcoma survivors.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Diagnosis of bone or soft tissue sarcoma

Currently receiving follow-up care at the tumor orthopedics clinic of University Hospital Essen

Age ≥15 and ≤39 years at time of enrollment

Completion of local tumor therapy (surgery and/or definitive radiotherapy) more than 12 months prior to enrollment

Disqualifiers

Contraindications to physical activity

Language barriers preventing communication in German

Known or current psychiatric condition impairing the ability to understand study requirements, participate in the study, or provide informed consent

Pregnancy

Trial design

Design model

Parallel

Treatments tested in this trial

  • Individualized Exercise Program

    Behavioral

    An 8-week individualized, partially supervised home-based exercise program designed to increase physical activity in accordance with exercise guidelines for cancer survivors. The program is tailored to each participant's functional status, based on a comprehensive baseline assessment (functional testing, cardiopulmonary evaluation, and a structured counseling session addressing individual interests, concerns, and goals). The program consists of: Endurance training: 60 minutes/week (e.g., walking, cycling), Aerobic and strength training: 3 sessions/week, 30 minutes each, targeting endurance, strength, coordination, mobility, balance, and flexibility Training sessions are self-administered at home, supported by a digital training platform providing instructional videos, and monitored via a wearable activity tracker. Partial supervision is provided through live video-conferencing sessions conducted by a trained exercise therapist in weeks 1, 2, 3, 5, and 7.

Treatment groups

46 Participants
are divided into 2 treatment groups
Group A: Intervention Group (Exercise + Smartwatch)Experimental treatment 1 intervention
Group B: Control Group (Smartwatch Only)No intervention 0 interventions

Trial outcomes

Primary outcomes

1

Moderate-to-Vigorous Physical Activity (MVPA)

Average daily MVPA, measured objectively in minutes/day via wearable activity tracker (Garmin Venu® Sq 2), compared between intervention and control group

Time frame
Baseline (1 week after inlcusion), after 9 weeks and after 13 weeks
2

Functional Mobility - Stair Climbing

Time (in seconds) to ascend and descend 14 stairs (Timed Up and Down Stairs, TUDS)

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks
3

Functional Mobility - Gait Speed

Time (in seconds) to stand up, walk 3 meters, and sit down (Timed Up and Go, TUG)

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks
4

Functional Exercise Capacity

Distance walked in 6 minutes (6-Minute Walk Test, 6MWT), measured in meters

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks

Secondary outcomes

1

Health-Related Quality of Life - Physical Component Summary (SF-36 PCS, Adults)

Points on a scale (0-100, higher = better); participants ≥18 years

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks
2

Health-Related Quality of Life - Mental Component Summary (SF-36 MCS, Adults)

Points on a scale (0-100, higher = better); participants ≥18 years

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks
3

Health-Related Quality of Life - Physical Health Summary Score (Minors, PedsQL)

Physical Health Summary Score of the Pediatric Quality of Life Inventory (PedsQL), age-appropriate version (13-18 years), measured in points on a scale (0-100, higher scores indicate better health-related quality of life). Applied to participants \<18 years.

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks
4

Health-Related Quality of Life - Psychosocial Health Summary Score (Minors, PedsQL)

Psychosocial Health Summary Score of the Pediatric Quality of Life Inventory (PedsQL), age-appropriate version (13-18 years), calculated as the mean of the Emotional, Social, and School Functioning subscales, measured in points on a scale (0-100, higher scores indicate better health-related quality of life). Applied to participants \<18 years.

Time frame
Baseline (1 week after inclusion), after 9 weeks and after 13 weeks

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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