Clinical Research Directory

Combined Exercise Effects in Breast Cancer-related Lymphedema

Sponsor: Faculdade de Motricidade Humana

Summary

Breast cancer-related lymphedema (BCRL) is a common and debilitating condition that affects quality of life, mobility, and well-being. While exercise was once thought to worsen symptoms, current evidence suggests it may improve lymphatic function and symptom management. The LymFit project will test a 12-week combined exercise program (aerobic + resistance) in breast cancer survivors with BCRL compared to usual care. This investigation aims to unravel the effects of a combined exercise program on BCRL management. A 12-week randomized controlled trial will be conducted with two arms: a combined exercise intervention (strength + aerobic training) and a control group. The LymFit project primarily aims to assess the effects of 12 weeks of combined exercise on L-Dex in BCRL patients. Secondary objectives include evaluating exercise's effects on i) ECW:ICW ratio (dilution techniques); ii) Body composition (dual-energy X-ray absorptiometry), handgrip strength (dynamometry), cardiorespiratory fitness, quality of life, arm disability, anxiety, depression (questionnaires), and inflammatory profile (blood analysis). The project also examines acute exercise (pre- to post-session) responses on iii) Lymphedema (L-Dex) and iv) Fluid shifts (ultrasound muscle thickness + PV measurement). By integrating clinical outcomes with mechanistic evaluations, this randomized controlled trial seeks to generate evidence-based recommendations for exercise in BCRL management and improve understanding of lymphatic fluid dynamics in this population.

Official title: The Impact of Combined Exercise on Lymphedema, Body Composition, Muscle Strength, and Quality of Life in Breast Cancer Survivors

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