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Completed

NCT Number: NCT06771635

Effect of Physical Training Program on the Exercise Adherence for Breast Cancer Survivor

Breast cancer (BC) is one of the most common cancers among women worldwide, with survival rates steadily improving due to advances in early detection and treatment. Despite these improvements, survivors frequently experience long-term side effects such as fatigue, reduced physical function, osteosarcopenia (loss of muscle mass and bone density), and diminished quality of life (QOL). These sequelae often lead to loss of independence, increased frailty, and reduced participation in daily activities. Physical activity, particularly structured and supervised programs, has been shown to mitigate many of these effects. Concurrent training, which combines strength, cardiovascular, and neuromotor exercise, provides a comprehensive approach that targets muscle mass, bone health, and functional mobility. However, adherence to regular physical activity in this population remains low, with most survivors not achieving recommended levels of at least 150 minutes per week of moderate-to-vigorous exercise. This pilot randomized controlled trial aims to evaluate the effects of a 6-week supervised concurrent training program in breast cancer survivors. The program includes 12 supervised sessions designed to improve exercise adherence, physical activity levels, and QOL. The intervention is compared with a control group that receives only a health education session. Outcomes include QOL assessed by the FACT-B questionnaire, physical activity levels measured by the GPAQ, sedentary time, functional fitness, anthropometry, and patient satisfaction. The study is expected to provide evidence that a short-term supervised concurrent training program can improve emotional well-being, preserve QOL, and increase adherence to physical activity in breast cancer survivors.

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Key information

Conditions

Breast Cancer Stage I Behavior Breast Cancer Stage II Breast Cancer Stage III Breast Cancer Stage IIIA Breast Diseases Breast Neoplasms Motor Activity Neoplasms Neoplasms by Site Skin Diseases Skin and Connective Tissue Diseases

Age range

18 year–65 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Universidad de Burgos

Burgos, 09001, Spain

About this study

This randomized, multicenter, parallel-controlled pilot trial was conducted in two tertiary hospitals in Spain to evaluate the effects of a short-term supervised concurrent training program on physical activity adherence and quality of life in breast cancer survivors.

Participants allocated to the intervention group completed a 6-week supervised concurrent training program consisting of 12 sessions (two sessions per week, approximately 60 minutes per session). The training program combined resistance, cardiovascular, and neuromotor exercises and was designed to address muscle strength, cardiorespiratory fitness, coordination, and functional mobility. Exercise sessions were supervised by qualified exercise professionals trained in oncology rehabilitation. Exercise intensity was individually adjusted and monitored to ensure participant safety and adherence to the prescribed training load.

The control group attended a single educational session focused on healthy lifestyle and nutrition and did not participate in the exercise program. Both groups continued to receive usual oncological follow-up throughout the study period.

Assessments were conducted at baseline, immediately after the intervention (6 weeks), and during follow-up at 3 and 6 months to evaluate changes over time. Ethical approval was obtained from the institutional ethics committees of the participating centers (protocol code 2018/0009), and written informed consent was obtained from all participants prior to study participation.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Stage I-IIIA
  • Free of disease
  • Without active chemotherapeutic treatment

Exclusion criteria

  • Patients suffered from a chronic disease that prevented them from physical activity program
  • Patients with sequelae of surgery, edema of >2 degrees in extremities with lymphadenectomy
  • Those women who performed PA according to the recommendations established by the WHO.

Treatment and study plan

concurrent

Other

The concurrent training program is divided into three types of training: endurance, cardiovascular and neuromotor.

Resistance training sessions were performed in a circuit format with >30" rest periods between exercises. The volume of work ranged from 8 to 12 repetitions at 60% of the estimated 1 maximum repetition (RM).

The cardiovascular work time per session ranged from 25-50 min depending on the intensity of the exercise and the intensity was regulated according to the maximum heart rate (FHR) estimated for each subject between 60-75%

The neuromotor training intensity of the sessions was low. The participants wore a heart rate monitor and were instructed not to exceed 60% of their HRF

Health education session

Behavioral

Single formative session on healthy lifestyle and nutrition provided to both groups. Control group received only this session without concurrent training.

Primary outcomes

  1. Change in Quality of Life (Functional Assessment of Cancer Therapy-Breast [FACT-B] Total Score)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Quality of life assessed using the Functional Assessment of Cancer Therapy-Breast (FACT-B) questionnaire. The FACT-B total score ranges from 0 to 148 points, with higher scores indicating better quality of life.

Secondary outcomes

  1. Change in Emotional Well-Being (Functional Assessment of Cancer Therapy-Breast Emotional Well-Being Subscale)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Emotional well-being assessed using the Emotional Well-Being subscale of the Functional Assessment of Cancer Therapy-Breast (FACT-B) questionnaire. The subscale score ranges from 0 to 24 points, with higher scores indicating better emotional well-being.

  2. Change in Physical Activity Level (MET-min/week, GPAQ)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Physical activity levels assessed using the Global Physical Activity Questionnaire (GPAQ). Data expressed in MET-minutes per week across work, transport, and leisure domains.

  3. Mean Sedentary Time (minutes/day, GPAQ)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Sedentary behavior measured using the GPAQ. Time spent sitting or reclining per day is recorded in minutes.

  4. Adherence to Exercise Program (percent of sessions attended)

    Time frame: During the 6-week intervention period.

    Exercise adherence calculated as the percent of supervised exercise sessions attended out of the 12 prescribed sessions during the intervention period

  5. Change in Weight (kg)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months

    Body weight measured with a calibrated SECA® scale.

  6. Change in Height (cm)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Height measured with a stadiometer.

  7. Change in Body Mass Index (kg/m²)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Body mass index calculated as weight (kg)/height (m²).

  8. Change in Handgrip Strength (kg, dynamometer)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Handgrip strength measured using a handheld dynamometer, following standardized ACSM protocols.

  9. Change in Cardiorespiratory Fitness (Harvard Step Test Fitness Index)

    Time frame: Baseline, post-intervention (6 weeks), 3 months, and 6 months.

    Cardiorespiratory fitness assessed using the Harvard Step Test Fitness Index, which typically ranges from 0 to 150 units, with higher scores indicating better cardiorespiratory fitness.

  10. Patient Satisfaction with the Intervention (Study-Specific Satisfaction Questionnaire)

    Time frame: Immediately post-intervention (6 weeks).

    Patient satisfaction assessed using a study-specific satisfaction questionnaire scored on a 0 to 5 Likert scale, where 0 indicates very dissatisfied and 5 indicates very satisfied. Higher scores indicate greater satisfaction.

Sponsors and collaborators

Lead sponsor

Universidad de Burgos

Other

Collaborators

  • Fundación Instituto Valenciano de Oncología
  • Fundación Trinidad Alfonso

Registry information

Official study title

Effects of a Targeted Concurrent Training Program on the Exercise Adherence in Female Breast Cancer Survivors: a Randomized Controlled Trial

Important dates

Study start
2018
Primary completion
2019
Study completion
2019
First posted
Jan 13, 2025
Registry last updated
Jan 9, 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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