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Menopause

Two cohorts of both healthy postmenopausal women and women free of postmenopausal breast cancer recurrence. Each of the groups will be split into two different exercise programmes. Both programmes, High Intensity Interval Training (HIIT) programme (metabolic power training) and Muscle Power Intervention (MPI) programme will consist of 8 weeks.

Two cohorts of both healthy postmenopausal women and women free of postmenopausal breast cancer recurrence.

Metabolic Power Training: A High Intensity Interval Training (HIIT) intervention, 3 times per week (30 min session) during 8 weeks with professional supervision and intensities adapted and modified during the intervention period.

HIIT program (8 weeks)

Muscle Power Intervention (MPI), 2 times per week (45 min session) during 8 weeks with professional supervision and intensities adapted and modified during the intervention period.

MPI program (8 weeks)

Cristina Blasco Lafarga, Tenured Professor

Cristina Blasco Lafarga, PhD

Jordi Monferrer-Marín, Predoctoral student

Ainoa Roldán, PhD

Jørn Wulff Helge, PhD

POWER Health is a randomized clinical trial with a two-arm parallel design whose objectives are 1) to study metabolic flexibility and autonomic function (both capacities that describe cardiovascular health) in a sample of postmenopausal oncological women vs postmenopausal untreated controls (CT); and 2) to analyze the impact of two different 8-week physical exercise supervised interventions: HIIT training vs strength training focused on muscle power, on both cardiovascular capacities in these populations.

Nowadays, breast cancer is the most common type of cancer worldwide, accounting for 30% of all cancers in Spanish women in 2023. Cancer is also the second leading cause of death in developed countries, following cardiovascular diseases, with which it shares a close relationship. Additionally, we know that the incidence of breast cancer increases with age, experiencing a rise after menopause. However, lifestyle and physical exercise are known to improve the prevention, prognosis, and survival of this disease, as well as enhance quality of life in these patients. Indeed, recent studies have highlighted the relevance of cardiovascular health in this oncological process, as well as the potential of physical exercise interventions to improve cardiovascular health following the disease.

POWER Health is a randomized clinical trial aimed at studying metabolic flexibility and autonomic health in a population of breast cancer recurrence-free women (RFC) compared to postmenopausal untreated controls (CT), along with the implementation of two supervised exercise interventions in both populations. These interventions will last for 8 weeks, one involving HIIT exercise focused on improving metabolic power (MPI), and the other one involving strength exercise focused on enhancing muscular power, with the hypothesis of better metabolic flexibility and autonomic function, and consequently, better cardiovascular health.

POWER health is a mixed method design: cross-sectional \& longitudinal study. Given the feasibility and simple application of POWER Health, this clinical trial will contribute to the prevention and improvement of the health of postmenopausal women, with an important clinical and economic impact, not only in the scientific community but also in clinical practice.

Metabolic Flexibility and Autonomic Control After Muscle Power vs Metabolic Power Training in Postmenopausal Oncological Women: the POWER Health Study

Postmenopausal Oncological Women Exercising for Recover Their Health. Associations and Changes in Metabolic Flexibility and Autonomic Control After Two Training Programs (Muscle Power vs Metabolic Power): the POWER Health Study

Fat oxidation rates calculated from VO2 and VCO2 values collected by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) and after applying Frayn's stoichiometric formulae, during an incremental test from 0.45 W/kg with 0.15W/kg each 4-min step

Non-linear mathematical variable that allows collecting physiological information and vagal activity of the organism, analysed in 2-minute intervals by Kubios Scientific software (Kuopio, Finland), during the incremental test

Calf, waist and hip circumferences will be assessed with an anthropometric tape measure (cm)

Body composition assessment will be obtained by bioimpedance (Tanita DC-430 MA S; Tokyo, Japan; kg)

The investigators will also assess systolic and diastolic blood pressure in the left (whenever possible) arm at rest.

The investigators will also assess oxygen saturation in middle finger of the right hand at rest.

The SARC-F will be used to evaluate the risk of sarcopenia

The International Physical Activity Questionnaire (IPAQ) will be used to evaluate the current physical activity level of the participants. Minimum value = 0 min/day of physical activity // Maximum value = 1440 min/day of physical activity. Higher scores imply a more physically active pattern.

Lactate assessment will be obtained by lactate analyzer (Lactate Scout Sport SensLab GmbH, Leipzig, Germany)

The Rating Perceived Exertion (RPE) of Borg scale will be used to obtain the perceived effort. Minimum value: 1 // Maximum value: 10. Higher scores mean a worse outcome.

The Visual Analogue Scale of Pain (VAS) scale will be used to obtain the local pain assessment. Minimum value: 1 // Maximum value: 10. Higher scores mean a worse outcome.

Cadence will be monitorized by the smart roller Saris H3 (CycleOps Hammer Direct Drive Trainer, Saris, Madison, USA).

Power will be monitorized by the smart roller Saris H3 (CycleOps Hammer Direct Drive Trainer, Saris, Madison, USA).

Power will be calculated by Power Frail App (Toledo, Spain)

Metabolic rate will be registered by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) in baseline conditions

Resting exchange ratio will be registered by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) in baseline conditions

Fat oxidation will be registered by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) in baseline conditions

Carbohydrate will be registered by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) in baseline conditions

Carbohydrate oxidation rates will be calculated from VO2 and VCO2 values collected by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) and after applying Frayn's stoichiometric formulae, during an incremental test from 0.45 W/kg with 0.15W/kg each 4-min step

Energy expenditure rate will be calculated will be collected by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) during an incremental test

FATmax will be calculated will be collected by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) during an incremental test

VO2peak will be calculated will be collected by indirect calorimetry (COSMED K5 portable metabolic analyzer, Rome, Italy) during an incremental test

Non-linear mathematical variable that allows collecting physiological information and parasympathetic activity of the organism, analysed in 3-minute intervals by Kubios Scientific software (Kuopio, Finland), during the incremental test

Linear mathematical variable that allows collecting physiological information and parasympathetic activity of the organism, analysed in 2-minute intervals by Kubios Scientific software (Kuopio, Finland), during the incremental test

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Metabolic Flexibility and Autonomic Control After Muscle Power vs Metabolic Power Training in Postmenopausal Oncological Women: the POWER Health Study	NCT06336070	Breast Cancer F... Cardiometabolic... Metabolism Diso... Autonomic Dysfu... Cardiovascular ...	HIIT program (8... MPI program (8 ...	35 Years - 75 Years	University of Valencia
Metabolic Flexibility and Autonomic Control After Muscle Power vs Metabolic Power Training in Postmenopausal Oncological Women: the POWER Health Study	NCT06336070	Breast Cancer F... Cardiometabolic... Metabolism Diso... Autonomic Dysfu... Cardiovascular ...	HIIT program (8... MPI program (8 ...	35 Years - 75 Years	University of Valencia

Spots Global Cancer Trial Database for muscle power

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