E-bike-assisted exercise intervention to reduce cancer-related fatigue in breast cancer patients during radiotherapy

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00040821

Enrollment

Registered

2026-07-01

Start date

2026-06-26

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

C50

Interventions

Group 1: Intervention group: Provision of an e-bike for the daily commute to therapy as well as for optional use during leisure time. Group 2: Control group: Standard transport

does not receive an e-bike.

Eligibility

Sex/Gender

Female

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: • Planned adjuvant radiotherapy • Ability to ride a bicycle • Ability to understand and complete questionnaires • Written informed consent • Place of residence within 20 km of the MHH

Exclusion criteria

Exclusion criteria: • Medical contraindications to physical activity • Relevant mobility limitations • Unsafe cycling ability • Elite athletes • Place of residence relative to MHH (distance of more than 20 km)

Design outcomes

Primary

Measure	Time frame
Change in cancer-related fatigue (FACIT-Fatigue score)	—

Secondary

Measure	Time frame
• Physical activity (BSA activity questionnaire, fitness tracker (Garmin Vivoactive 5), training log) • Quality of life (EORTC QLQ-C30) • Safety (adverse events) • Perceived exertion associated with the daily commute for therapy (Borg scale) • Patient satisfaction with the mode of transport or the e-bike intervention (questions in the training log, final page) • Treatment adherence, defined as attendance at scheduled radiation appointments and (in the intervention group) use of the e-bike (fitness tracker + training log)	—

Measure

Time frame

• Physical activity (BSA activity questionnaire, fitness tracker (Garmin Vivoactive 5), training log) • Quality of life (EORTC QLQ-C30) • Safety (adverse events) • Perceived exertion associated with the daily commute for therapy (Borg scale) • Patient satisfaction with the mode of transport or the e-bike intervention (questions in the training log, final page) • Treatment adherence, defined as attendance at scheduled radiation appointments and (in the intervention group) use of the e-bike (fitness tracker + training log)

—

Countries

Germany

Contacts

Public ContactHedwig Theda Boeck

Medizinische Hochschule Hannover

boeck.hedwig@mh-hannover.de+4315111638343

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026