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Completed

NCT Number: NCT07338903

Feasibility and Effects of Home-based Physical Activity Intervention in Patients With Breast Cancer in Indonesia

The goal of this clinical trial is to learn the impact and implementation of home-based aerobic and resistance training for patients with breast cancer in Indonesia. The main questions it aims to answer are:

* Does the home-based aerobic and resistance training improve physical fitness, fatigue, and quality of life of patients with breast cancer? * Are the benefits of aerobic and resistance training mediated by inflammatory level changes? * What are the barriers and facilitators in implementing the home-based aerobic and resistance training? * Is the home-based aerobic and resistance training feasible to be implemented in Indonesia's setting?

To answer those questions, participants will:

* Conduct home-based aerobic and resistance training with supervision. * Visit the hospital once every 4 weeks for their routine visits. * Undergo physical fitness test before and after 12 weeks using treadmill test, as well as interviews to assess fatigue, quality of life, and intervention acceptability. * Keep a diary to record the aerobic and resistance training at home. * Undergo routine monitoring by phone every week with the research team.

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Key information

Conditions

Breast Neoplasms Behavior Breast Diseases Fatigue Motor Activity Neoplasms Neoplasms by Site Pathological Conditions, Signs and Symptoms Physical Fitness Signs and Symptoms Skin Diseases Skin and Connective Tissue Diseases

Age range

17 year–70 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Dr. Sardjito General Hospital

Sleman, Yogyakarta Special Region, 55284, Indonesia

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients with stage I-III hormone-receptor positive breast cancer
  • Eastern Cooperative Oncology Group (ECOG) score ≤1
  • Had completed primary treatment (e.g., surgery, chemotherapy, and radiotherapy), except for hormonal treatment
  • Within 5 years of diagnosis
  • Able to perform moderate-intensity physical activity as determined by their oncologist and care team
  • Able to read and write in Indonesian
  • Willing to provide written informed consent.

Exclusion criteria

  • Had an ejection fraction of <50%
  • Evidence of cardiac disease, severe musculoskeletal problems, or other contraindications for exercise.

Treatment and study plan

12weeks of home-based aerobic (pedometer-driven walking) and resistance training using therapeutic bands

Behavioral
  • Home-based aerobic training: The aerobic exercise consisted of a walking program based on the number of steps per day, which was recorded using a pedometer (Yamax Digiwalker SW-200, Tokyo, Japan). The target of the aerobic exercise was individually tailored by adding 3000 accumulated steps above their baseline value on 5 days of the week.
  • Home-based resistance training: The resistance training was conducted using a set of resistance bands (Happy Fit®, Jakarta, Indonesia). This training consisted of two sets of biceps curl, triceps extension, chest press, shoulder flexion, shoulder press, lateral extension, seated row, and upright row, with 8-10 repetitions. Patients were instructed to perform each exercise with an average total duration of 10 minutes on 2 days a week at home. The exercises were individually tailored based on participants' strength and range of movement using a set of three color-coded bands representing low, moderate, and high levels of resistance.

Primary outcomes

  1. Physical fitness

    Time frame: Baseline and post-intervention (12 weeks)

    Physical fitness was measured using a submaximal treadmill test with the modified Bruce protocol. Treadmill speed and inclination were automatically increased every 3 min (test stage). The test was terminated when participants reached volitional fatigue. Physical fitness was classified as low, fair, average, and good, based on patients' age, treadmill test duration, and predicted VO2peak.

  2. Fatigue

    Time frame: Baseline and post-intervention (12 weeks)

    Fatigue was assessed using the Indonesian version of Fatigue Severity Scale (FSS). A higher score on the FSS indicated a more severe level of fatigue. The FSS was also classified as no-to-mild fatigue (FSS <4.0) and severe fatigue (≥4.0).

  3. Health-related quality of life

    Time frame: Baseline and post-intervention (12 weeks)

    Health-related quality of life was assessed using the Indonesian version of the EORTC Quality of Life Questionnaire (QLQ-C30). The EORTC QLQ-C30 consists of global health status, functional scales, and symptom scales. A higher score indicates better health for global health status and functional scales, but represents a higher level of burden for symptom scales.

Secondary outcomes

  1. Inflammatory biomarkers

    Time frame: Baseline and post-intervention (12 weeks)

    Venous blood (5 ml) was collected at baseline and post-intervention to measure the levels of inflammatory biomarkers, including CRP, IL-6, and IL-10. The CRP levels were measured using an Enzyme-Linked Immunosorbent Assay (ELISA) assay (Calbiotech, CR120C), while IL-6 and IL-10 were measured using a Luminex assay (eBioscience, PPX-02-MXYMMK2).

  2. Intervention acceptability

    Time frame: Post-intervention (12 weeks)

    Intervention acceptability was explored using semi-structured interviews using a research team-developed interview guide. All interviews were individual and face-to-face, took place in a private room, and were audiotaped.

  3. Intervention barriers and facilitators

    Time frame: Post-intervention (12 weeks)

    Intervention barriers and facilitators were explored using semi-structured interviews using research team-developed interview guide. All interviews were individual and face-to-face, took place in a private room, and audiotaped.

Other outcomes

  1. Intervention feasibility

    Time frame: During study period (baseline to 12 weeks)

    Intervention feasibility was determined by (a) recruitment (ratio of the number of participants recruited to the number of eligible participants approached), (b) retention (ratio of the number of participants who completed the 12-week program to the total number of participants enrolled in the study), (c) adherence (the ratio of the number of participants meeting at least 70% of prescribed activities calculated using steps per day, resistance exercise frequency, duration, and intensity to the total number of participants completing the 12-week program). The intervention was defined as feasible if those rates were above 75%.

  2. Adverse events

    Time frame: During study period (baseline to 12 weeks)

    Adverse events (e.g., dyspnea, tachycardia, nausea, pain, and myalgia) that were reported by participants.

Sponsors and collaborators

Lead sponsor

Gadjah Mada University

Other

Collaborators

  • Durham University
  • University of Leeds

Registry information

Official study title

Move to Improve: Investigating the Feasibility of Embedding Physical Activity Into Routine Breast Cancer Care in Indonesia

Important dates

Study start
2022
Primary completion
2022
Study completion
2024
First posted
Jan 14, 2026
Registry last updated
Jan 14, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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