Viewing Study NCT04586517



Ignite Creation Date: 2024-05-06 @ 3:18 PM
Last Modification Date: 2024-10-26 @ 1:46 PM
Study NCT ID: NCT04586517
Status: ACTIVE_NOT_RECRUITING
Last Update Posted: 2022-11-02
First Post: 2020-09-25

Brief Title: Effect of Heavy-load Resistance Training During Chemotherapy on Muscle Cellular Outcomes
Sponsor: Uppsala University
Organization: Uppsala University

Study Overview

Official Title: Effects of Heavy-load Resistance Training During Neo-Adjuvant Chemotherapy on Muscle Cellular Outcomes in Women With Breast Cancer
Status: ACTIVE_NOT_RECRUITING
Status Verified Date: 2022-11
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: Neo-adjuvant chemotherapy for breast cancer is known to have a negative impact on muscle tissue resulting in reduced aerobic fitness skeletal muscle mass and strength Physical exercise during treatment may counteract some of these negative effects However the effects of resistance training alone have never been explored The present study aims to investigate if heavy-load resistance training during neo-adjuvant chemotherapy counteracts negative effects on skeletal muscle in women diagnosed with breast cancer The hypothesis is that neo-adjuvant treatment with chemotherapy will reduce muscle fiber size impair mitochondrial function and increase indicators of cellular stress and that resistance training during treatment will counteract these negative effects Fifty women recently diagnosed with breast cancer scheduled to start neo-adjuvant chemotherapy will be randomized to either an intervention group or a control group The intervention group will perform supervised heavy-load resistance training twice a week over the course of chemotherapy approximately 16-weeks whereas the control group will be encouraged to continue with their usual activities To increase interest in participation controls will be invited to a 2-week introduction to the same resistance-training program as the intervention group following completion of chemotherapy Muscle biopsies from m vastus lateralis will be collected before the first cycle of chemotherapy after chemotherapy and 6 months later 6-month follow-up for assessment of muscle cellular outcomes Results from this intervention will provide further knowledge on how chemotherapy affects muscle tissue and how resistance training may counteract immediate and long-term treatment side effects Results from this intervention will also contribute with knowledge about how to improve exercise programs that are effective for women undergoing chemotherapy against breast cancer
Detailed Description: The aim of this study is to investigate the effects of heavy-load resistance training on muscle cellular outcomes in women with breast cancer undergoing neo-adjuvant chemotherapy

More specifically the investigators objectives are to

1 Investigate the effects of a heavy-load resistance training intervention on skeletal muscle fiber cross-sectional area
2 Investigate the effects of a heavy-load resistance training intervention on regulators of muscle fiber size muscle fiber function cellular stress and mitochondrial function
3 Investigate the effects of chemotherapy on skeletal muscle fiber cross-sectional area regulators of muscle fiber size muscle fiber function cellular stress and mitochondrial function
4 Explore the effects of heavy-load resistance training on the expression levels of myokines

This study is a two-armed randomized controlled trial with follow-up at six months With this design the investigators can study the main effect and interactions between factors groups Participants will be randomized to either an intervention group or a control group

Participants recently diagnosed with breast cancer will be recruited from Uppsala University Hospital Based on power calculations 50 participants will be included Data will be collected before the first cycle of chemotherapy after chemotherapy and 6 months later 6-month follow-up

Participants in the intervention group will perform supervised heavy-load resistance training twice a week from the week following the start of chemotherapy and throughout the course of treatment approximately 16 weeks Sessions will be performed at a public gym and led by trained coaches The following six exercises will be included in the program seated leg-press seated chest press seated leg-curl seated row and seated leg-extension performed in machines and seated overhead-press using dumbbells The first two weeks of the program represent familiarization to the training protocol and 1 RM Repetition Maximum tests During this period the participants will perform exercises at a light load After the first 1 RM-test training will progress in sets and training load before testing of 6- and 10 RM which will provide the participants with individualized loads Rest periods between sets will be two 6 RM training load and one minute 10 RM training load for the two different sessions respectively The training load will be adjusted throughout the intervention period Participants in the control group are encouraged to continue with their activity as usual ie maintain their habitual physical activity level and not initiate resistance training during chemotherapy To increase interest in participation controls will be invited to a 2-week introduction to the same resistance-training program as the intervention group following completion of chemotherapy and offered a 12-month membership at a local gym free of charge

Study Oversight

Has Oversight DMC: None
Is a FDA Regulated Drug?: False
Is a FDA Regulated Device?: False
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: None