- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06231069
Mixed Exercise Training and Novel Multi-Nutrient Supplementation in Young Adults
Effects of Mixed Exercise Training and a Novel Multi-Nutrient Supplement on Muscle Fitness in Young Adults
This study aims to elucidate the effects of 12 weeks of novel multi-nutrient supplementation combined with mixed aerobic/resistance exercise training on skeletal muscle function in young adults.
It is hypothesized that multi-nutrient supplementation and mixed aerobic/resistance exercise training (AET/RET) will have interactive effects on muscle fitness.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Sedentarism is highly prevalent, world-wide, and predisposes for chronic disease and premature death. Conversely, regular physical activity (PA) protects against cardiovascular disease (CVD), deterioration of the musculoskeletal system, cancer, obesity, type 2 diabetes, depression, anxiety, and neurodegeneration. Similar to most adults in the world, the majority of Canadians are not meeting the minimal PA guidelines, with total health care cost attributed to physical inactivity estimated to be $6.8 billion. Therefore, it is imperative to develop strategies to increase PA rates across the general population (young to old) to alleviate the global burden of chronic disease. These strategies may include large-scale, societal interventions that incentivize daily PA/sports participation (mainly access and affordability), educational efforts, and continued support of exercise science research. Specifically, research on exercise modes that are time-saving but equally (or more) effective as traditional training modes is warranted. More studies are also needed on nutritional supplementation (safety and efficacy), particularly in conjunction with various exercise modes for optimization of health and performance.
In this randomized, double-blind, placebo-controlled clinical trial, the aim is to elucidate the effects of 12 weeks of novel multi-nutrient supplementation combined with mixed aerobic/resistance exercise training on skeletal muscle function in young adults. Following recruitment, participants will be stratified and randomized into one of four groups:
- Healthy, recreationally active young males, placebo, n = 15
- Healthy, recreationally active young males, multi-nutrient supplement, n = 15
- Healthy, recreationally active young females, placebo, n = 15
- Healthy, recreationally active young females, multi-nutrient supplement, n = 15
Thereafter, subjects will undergo 12 weeks of a mixed AET and RET, three days per week, approximately 1 hour per training session. The AET will consist of cycle ergometry for 20 min at 75% HRmax, corresponding to ~65% VO2max (Monark cardio care 827E). As the aerobic fitness of the subjects are progressively enhanced, the cadence RPM and/or resistance of the bike will be increased to elicit 65% VO2max. This work rate, corresponding to ~75% HRmax, will be monitored by the subjects wearing a heart rate monitor around their chests (Polar). Immediately following the AET, the subjects will perform a lower body resistance exercise program consisting of four traditional resistance exercises starting at 65% of 1-RM (Cybex Eagle). Specifically, the RET program will consist of leg press, seated calf extension, knee extension, and hamstring curls, to be performed at 65% 1-RM for 4 x 15 repetitions initially, and thereafter progressively increased throughout the 12-week intervention period to 85% 1-RM for 4 x 8 repetitions. Resistance will be increased with ~2-10% in load when the individual can perform the current workload for one or two repetitions over the desired number on two consecutive training sessions. Prior to beginning the research coordinator will meet with participants and teach them how to properly perform exercises (familiarization session).
Concurrently, participants will be asked to consume 7 servings of a multi-nutrient supplement per week with 200 mL water. The supplement consists of mixed milk proteins, creatine, N-3 PUFAs, and vitamin D at levels previously shown to stimulate muscle protein synthesis. On training days, the compound will be consumed immediately after the training session under the supervision of a study coordinator. On the remaining four days, subjects will consume 1 serving prior to breakfast, which is regarded as the least protein-rich meal of the day. In order to monitor 'at-home' compliance, the subjects will be instructed to record their daily intake in a supplement log.
Study Type
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Ontario
-
Hamilton, Ontario, Canada, L8N 3Z5
- McMaster University Medical Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- non-smoking
- non-diabetic
- apparently healthy
- minimally recreationally active
- males and females aged 18-30 years
Exclusion Criteria:
- pregnancy
- breast feeding
- smoking
- obesity
- diabetes mellitus
- cardiovascular disease (recent myocardial infarction (≤ 6 months)
- hypertension requiring more than 2 medications
- congestive heart failure requiring more than one medication,
- renal disease (creatinine > 130),
- previous stroke with residual hemiparesis,
- active musculoskeletal injuries and/or severe osteoarthritis,
- significant weight loss in the 3-month period prior to the study,
- vegan diet,
- dairy protein allergy,
- muscular dystrophy,
- severe peripheral neuropathy,
- severe osteoporosis,
- use of medications known to affect protein metabolism (i.e. corticosteroids),
- inability to consent,
- chronic obstructive pulmonary disease (FVC or FEV1 < 70% of age predicted mean value),
- asthma requiring more than two medications.
- Subjects on supplements will be considered on a case-by-case basis, but they will be asked to refrain from intake for at least 2 weeks prior to partaking in this study.
- While adverse events are not anticipated, participants will be asked to disclose if they are using supplements that may have negative/interactive effects with our study products. Each participant's list of medications will also be checked for potential interactive side-effects with our supplements; however, the individual doses have specifically been chosen to be at the low end to minimize the likelihood of such interactions.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Multi-nutrient supplementation during training
|
12 weeks of supplement intake of milk proteins, N-3 PUFAs, creatine, and vitamin D at levels previously shown to augment muscle protein synthesis in young individuals.
12 weeks of short-duration mixed endurance and resistance exercise.
|
Placebo Comparator: Placebo during training
|
12 weeks of short-duration mixed endurance and resistance exercise.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percent change in DXA-obtained muscle mass
Time Frame: 12 weeks
|
Pre to post change in DXA-obtained muscle mass (%)
|
12 weeks
|
Percent change in DXA-obtained fat mass
Time Frame: 12 weeks
|
Pre to post change in DXA-obtained fat mass (%)
|
12 weeks
|
Percent change in DXA-obtained muscle mass to fat mass ratio
Time Frame: 12 weeks
|
Pre to post change in DXA-obtained muscle mass to fat mass ratio (%)
|
12 weeks
|
Percent change in bodyweight
Time Frame: 12 weeks
|
Pre to post change in bodyweight (%)
|
12 weeks
|
Percent change in body mass index
Time Frame: 12 weeks
|
Pre to post change in body mass index (%)
|
12 weeks
|
Percent change in waist to hip ratio
Time Frame: 12 weeks
|
Pre to post change in waist to hip ratio (%)
|
12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percent change in slow muscle fiber areas
Time Frame: 12 weeks
|
Pre to post change in slow muscle fiber areas (%)
|
12 weeks
|
Percent change in fast muscle fiber areas of quadriceps
Time Frame: 12 weeks
|
Pre to post change in fast muscle fiber areas of quadriceps (%)
|
12 weeks
|
Percent change in quadriceps circumference
Time Frame: 12 weeks
|
Pre to post change in quadriceps circumference (%)
|
12 weeks
|
Percent change in essential amino acid blood levels
Time Frame: 12 weeks
|
Pre to post change in venous essential amino acid blood levels (%)
|
12 weeks
|
Percent change in inflammatory cytokine blood levels (interluekins)
Time Frame: 12 weeks
|
Pre to post change in venous inflammatory cytokine blood levels (interleukins) (%)
|
12 weeks
|
Percent change in maximal leg extension strength
Time Frame: 12 weeks
|
Pre to post change in leg extension (%)
|
12 weeks
|
Percent change in maximal leg press strength
Time Frame: 12 weeks
|
Pre to post change in maximal leg press strength (%)
|
12 weeks
|
Percent change in number of repetitions at 60% maximum in leg press
Time Frame: 12 weeks
|
Pre to post change in number of repetitions at 60% maximum in leg press (%)
|
12 weeks
|
Percent change in maximal aerobic capacity
Time Frame: 12 weeks
|
Pre to post change in maximal aerobic capacity (%)
|
12 weeks
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Mark A Tarnopolsky, MD, PhD, McMaster University
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 7405
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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