The influence of a supervised group exercise intervention combined with active lifestyle recommendations on breast cancer survivors' health, physical functioning, and quality of life indices: study protocol for a randomized and controlled trial

Luiz Augusto Riani Costa, Raphael F Barreto, Sarah Milani Moraes de Leandrini, Aline Rachel Bezerra Gurgel, Gabriel Toledo de Sales, Vanessa Azevedo Voltarelli, Gilberto de Castro, Sally A M Fenton, James E Turner, Christian Klausener, Lucas Melo Neves, Carlos Ugrinowitsch, Jose Carlos Farah, Cláudia Lúcia de Moraes Forjaz, Christina May Moran Brito, Patricia Chakur Brum

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Abstract

BACKGROUND: Most cancer patients, under active treatment or not, are sedentary, despite increasing scientific and clinical understanding of the benefits of exercise and physical activity, such as improving quality of life, limiting disease symptoms, decreasing cancer recurrence, and increasing overall survival. Studies have shown that both supervised exercise and unsupervised physical activity programs have low adherence and limited long-term benefits among cancer survivors. Therefore, interventions focused on increasing physical activity levels have clinical and psychological relevance. The present study will examine the feasibility and efficacy of an intervention that combines supervised group exercise with active lifestyle recommendations, analyzing its clinical, psychological, physiological, functional, and immunological effects in breast cancer survivors.

METHODS: Women aged 35-75 years who have completed chemotherapy, radiotherapy, and surgery for breast cancer will be recruited from the Cancer Institute of the State of Sao Paulo (ICESP) and take part in a 16-week, parallel-group, randomized, and controlled trial. They will receive a booklet with recommendations for achieving a physically active lifestyle by increasing overall daily movement and undertaking at least 150 min/week of structured exercise. Then, they will be randomized into two groups: the supervised group will take part in two canoeing group exercise sessions every week, and the unsupervised group will increase their overall physical activity level by any means, such as active commuting, daily activities, or home-based exercise. Primary outcome includes aerobic capacity. Secondary outcomes are physical activity, physical functioning, self-reported quality of life, fatigue, presence of lymphedema, body composition, immune function, adherence to physical activity guidelines, and perceptions of self-image.

DISCUSSION: Results should contribute to advance knowledge on the impact of a supervised group exercise intervention to improve aspects related to health, physical functioning, and quality of life in female breast cancer survivors.

TRIAL REGISTRATION: Brazilian Registry of Clinical Trials Number: RBR-3fw9xf. Retrospectively Registered on 27 December 2018. Items from the World Health Organization Trial Registration Data Set can be accessed on http://www.ensaiosclinicos.gov.br/rg/RBR-3fw9xf/ .

Original languageEnglish
Article number934
Number of pages16
JournalTrials
Volume22
Issue number1
DOIs
Publication statusPublished - 18 Dec 2021

Keywords

  • Brazil
  • Breast Neoplasms/therapy
  • Cancer Survivors
  • Exercise Therapy
  • Female
  • Humans
  • Life Style
  • Neoplasm Recurrence, Local
  • Quality of Life
  • Randomized Controlled Trials as Topic

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