Creatine Supplementation and Resistance Training in Patients With Breast Cancer
CaRTiC
1 other identifier
interventional
120
1 country
1
Brief Summary
Background: Creatine supplementation is an effective ergogenic nutrient for athletes, as well as people for people starting a health or fitness program. Resistance training previously been identified as an important method of increasing muscle mass and strength among people, specially in people with cancer to avoid sarcopenia. The potential of creatine supplementation for adaptations produced by strength training in cancer patients are still unknown. Objective: the primary aim of this study is to evaluate the effectiveness of a 16-week supervised resistance training program intervention with and without creatine supplementation in patients with breast cancer. Methods: A multicentre, randomized, double-blind, placebo-controlled study designed to evaluate the effects of creatine supplementation in addition to resistance training in breast cancer patients. Patients will be randomly assigned to 3 groups: a control group (CG) and two experimental groups. The first resistance training group (RG) will perform resistance training, while the second resistance-creatine experimental group (RCG) will perform the same resistance training as the RG and will also receive a 5 g/day supplementation of creatine for the duration of the exercise the 16-week intervention. RG participants will follow the same daily dosing protocol, but in their case, with dextrose/maltodextrin. Resistance training will be a 16-week supervised workout that will consist of a series of resistance exercises (leg press, knee extension, knee bends, chest press, sit-ups, back extensions, pull-ups, and shoulder press) that involved the largest muscle groups of the body and will be performed three times a week on non-consecutive days. Both the RG and the RCG will receive a supplement of soluble protein powder (20-30 g) daily. Discussion: The results of this intervention will help to better understand the potential of non-pharmacological treatment for improving strength and wellbeing values in breast cancer patients with and without creatine supplementation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable breast-cancer
Started Apr 2024
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 27, 2023
CompletedFirst Posted
Study publicly available on registry
May 26, 2023
CompletedStudy Start
First participant enrolled
April 8, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 20, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
December 8, 2025
CompletedMay 9, 2024
May 1, 2024
1 year
April 27, 2023
May 7, 2024
Conditions
Outcome Measures
Primary Outcomes (3)
Change in maximal resistance (upper and lower body)
The maximal resistance in the upper and lower body will be measured in terms of the 5-repetition maximum test (5RM) (i.e. the maximum load that can be lifted five times) in chest and leg press exercises, respectively. Also a handgrip dynamometry test will be used to measure grip resistance.
7 months follow up. Measures at 0, 2, 4 and 7 months.
Genetic study
Saliva samples will be taken from the participants using buccal swabs (4N6FLOQSwab, Life Technologies, Carlsbad, CA). The genetic analysis will be performed using Biomark HD system microfluidic analysis technology (Fluidigm, South San Francisco, CA). From that analysis DNA will be extracted using the QIAmp DNA Mini kit (Qiagen, Hilden, Germany) and will be quantified fluorometrically using Qubit (LifeTechnologies).
Month 0
Change in Micro RNA (mRNA)
A 5/10 ml of urine will be collected in a 15 ml sterile plastic universal container tube kept at room temperature no more than 60 minutes, then stored at -20°C. Total RNA will be extracted from 400 μl of urine by using miRNeasy Serum/Plasma Kit (QIAGEN).
Month 0 and 4
Secondary Outcomes (8)
Change in Physical function (walking)
7 months follow up. Measures at 0, 2, 4 and 7 months.
Change in Physical function (sitting)
7 months follow up. Measures at 0, 2, 4 and 7 months.
Change in Body composition
7 months follow up. Measures at 0, 2, 4 and 7 months.
Change in dietary pattern
7 months follow up. Measures at 0, 2, 4 and 7 months.
Change in Gastrointestinal discomfort
7 months follow up. Measures at 0, 2, 4 and 7 months.
- +3 more secondary outcomes
Study Arms (3)
Control Group
NO INTERVENTIONThey receive physical activity and nutrition recommendations.
Resistance training group
EXPERIMENTALThey will perform resistance training and placebo in the supplementation.
Resistance training and creatine supplementation group
EXPERIMENTALThey will perform the same resistance training and will also receive creatine supplementation
Interventions
5 g/day supplementation of creatine for the duration of the exercise the 16-week intervention. The RG and the RCG will receive a supplement of soluble protein powder (20-30 g) daily.
They will do resistance training. Resistance training will be a 16-week supervised workout that will consist of a series of resistance exercises (leg press, knee extension, knee bends, chest press, sit-ups, back extensions, pull-ups, and shoulder press) that involved the largest muscle groups of the body and will be performed three times a week on non-consecutive days.
Eligibility Criteria
You may qualify if:
- Stage pTis-T1-T2-T3 pN0-1 M0 (early stage).
- Patients who have completed local treatment \[surgery + radiotherapy (RT)\] undergoing clinical follow-up in outpatient clinics with or without adjuvant hormone therapy treatment.
- Age: ≥18-60 years.
- ECOG Performance status from 0 to 1 (IK ≥80%).
- Body mass index above than 18.5.
- Without excessive alcohol consumption (men \> 21 and women \> 14 units/week).
- No current or previous illness or injury that may prevent participation and training.
- No recent systematic strength training.
- Not taking medications that are known to alter body composition (corticosteroids, metformin...).
- People who carry out some aerobic training will not be excluded (the activity carried out will be recorded weekly).
You may not qualify if:
- Having received adjuvant or neoadjuvant chemotherapy.
- Metastatic carcinoma of the breast.
- Recurrence or second primary breast.
- History of previous cancer except previously treated basal cell carcinoma of the skin.
- Decompensated heart disease, uncontrolled hypertension (TAS\>200 or TAD\>110), heart failure (NYHA II or greater), heart failure or constrictive pericarditis, neutropenia, severe anemia (Hb\<8.0 g/dl), blood count platelets \<50,000 microL.
- Other health problems in which exercise is contraindicated
- Perform regular physical activity (150 min/week of moderate activity or 75 of vigorous activity), measured with the PVS questionnaire.
- Pregnancy.
- Criterion in the opinion of the investigator of inability to adequately understand the involvement and participation in this clinical study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Deustolead
- Hospital de Crucescollaborator
- Hospital de Basurtocollaborator
- Poznan University of Medical Sciencescollaborator
- Hospital Universitario de Burgoscollaborator
- University of Calabriacollaborator
Study Sites (1)
Hospital de Cruces
Bilbao, Bizkaia, 48080, Spain
Related Publications (33)
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MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Arkaitz Castañeda, PhD
University of Deusto
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- SUPPORTIVE CARE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
April 27, 2023
First Posted
May 26, 2023
Study Start
April 8, 2024
Primary Completion
April 20, 2025
Study Completion
December 8, 2025
Last Updated
May 9, 2024
Record last verified: 2024-05
Data Sharing
- IPD Sharing
- Will not share