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Sport NutritionNCT05909475

Supplementation With GKEX Sports Probiotic Combo for Muscle Gain and Fat Loss Assessment

A study testing GKEX in people with Sport Nutrition and Probiotic, run by National Taiwan Sport University at 1 site in Taiwan.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Objective: To discuss the "GKEX Sports Probiotics Combination (hereinafter referred to as GKEX)", a product commissioned by Grape King Biotechnology Co., Ltd., and its effects on increasing muscle mass, muscle strength, physical performance and improving body composition when combined with resistance exercise… Read more about this study

Who is it for?
Ages 20 to 39 yearsHealthy volunteers can take part
Conditions the study is for
Sport Nutrition, Probiotic
What is being tested?
GKEX
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
52 participants
Where
1 siteTaiwan
Study dates
4 Jul 2022to 24 Dec 2022
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 39 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • The tissues and organs of the body are functioning normally
  • no disease, fatigue, or weakness
  • independent and flexible activities

Who cannot join

  • With a history of cardiovascular disease, hypertension, metabolic disease, asthma or cancer diagnosed by a physician
  • BMI≧27
  • Who have taken anti-inflammatory analgesics or acute and chronic diseases within one month, etc.,
  • The students and related stakeholders guided by the host of this plan
  • Who have the habit of smoking and drinking
  • Within two weeks Have used probiotic products in powder, capsule or tablet form (including yogurt, yogurt, Yakult and other related foods)
  • Food or allergic to lactic acid bacteria products
  • Have had hepatobiliary and gastrointestinal surgery within 2 years (except hernia and polypectomy)

Trial locations and contacts

1 site in 1 country.

Taiwan1 site
  • Graduate Institute of Sports Science, National Taiwan Sport University

    Taoyuan, 33301

Other trials in Taiwan

About this study

Objective: To discuss the "GKEX Sports Probiotics Combination (hereinafter referred to as GKEX)", a product commissioned by Grape King Biotechnology Co., Ltd., and its effects on increasing muscle mass, muscle strength, physical performance and improving body composition when combined with resistance exercise training. Method: The experiment adopts a double-blind design. After screening, 52 subjects (20 males and 32 females) were randomly divided into two groups, each with 10 males and 16 females: (1) placebo without GKEX probiotics Capsule group (Placebo) (2 capsules/day), (2) GKEX group (GKEX) (1x1010 CFU/capsule, 2 capsules/day). All subjects received daily supplementation samples for 6 weeks and received resistance exercise training three times a week. Before the intervention and 6 weeks after the intervention, the diet evaluation, systemic and resistive body composition, muscle ultrasound, muscle strength, maximum oxygen uptake, explosive power, anaerobic power, etc. were detected respectively.

Being tested
GKEX, Placebo

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • GKEXDietary supplement

    GKEX group. Probiotic capsules contain 10 billion CFU (colony forming units) of GKEX, , 2 caps daily use.

  • PlaceboOther

    The placebo capsule contains microcrystalline cellulose, 2 caps daily use.

Study groups in NCT05909475
Study groupRoleWhat they receive
PlaceboPlacebo comparatorThe placebo capsule contains microcrystalline cellulose, 2 caps daily use.
Receives: Other: Placebo
GKEXExperimentalGKEX group. Probiotic capsules contain 10 billion CFU (colony forming units) of GKEX, , 2 caps daily use.
Receives: Dietary Supplement: GKEX

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Isometric Mid-Thigh Pull (IMTP_RFD

    Customized IMTP test equipment and two force plates (type 9287BA, Kistler Instruments AG, Winterthur, Switzerland) were used. All participants stood with their feet the same width apart, and the rod was placed between the thighs, with the torso upright, the spine neutral, and the knee and hip angles at 140°, to familiarize the participants with the IMPT test method. The average absolute peak rate of force development (RFD) parameters were recorded.

    Measured: up to 6 weeks

  2. Isometric Mid-Thigh Pull (IMTP)_relative peak force

    Customized IMTP test equipment and two force plates (type 9287BA, Kistler Instruments AG, Winterthur, Switzerland) were used. All participants stood with their feet the same width apart, and the rod was placed between the thighs, with the torso upright, the spine neutral, and the knee and hip angles at 140°, to familiarize the participants with the IMPT test method. The average absolute peak rate of force development (RFD) parameters were recorded.

    Measured: up to 6 weeks

  3. Wingate Anaerobic Test (WAnT)_relative peak power

    After a standard warm-up, all subjects were assessed with the classical WAnT on a cycloergometer (Monark 894E, Varberg, Sweden) in a 30 s "go all out" ultramax test. The seat height was adjusted to the satisfaction of each participant, and toe clips prevented the feet from slipping off the pedals. Before the initial test, the subjects warmed up for 5 min, and the power was approximately 50 W. After the warm-up, two preparation exercises lasting 3 s, during which the actual test load was 3% of their own body weight, were applied to accustom the participant to resistance. The test started, and the resistance was set on the friction belt of the dynamometer. External loading was estimated individually at 5% body weight. The average relative peak power parameters were recorded.

    Measured: up to 6 weeks

  4. Wingate Anaerobic Test (WAnT)_relative mean power

    After a standard warm-up, all subjects were assessed with the classical WAnT on a cycloergometer (Monark 894E, Varberg, Sweden) in a 30 s "go all out" ultramax test. The seat height was adjusted to the satisfaction of each participant, and toe clips prevented the feet from slipping off the pedals. Before the initial test, the subjects warmed up for 5 min, and the power was approximately 50 W. After the warm-up, two preparation exercises lasting 3 s, during which the actual test load was 3% of their own body weight, were applied to accustom the participant to resistance. The test started, and the resistance was set on the friction belt of the dynamometer. External loading was estimated individually at 5% body weight. The average relative mean power parameters were recorded.

    Measured: up to 6 weeks

  5. Wingate Anaerobic Test (WAnT)_fatigue index

    After a standard warm-up, all subjects were assessed with the classical WAnT on a cycloergometer (Monark 894E, Varberg, Sweden) in a 30 s "go all out" ultramax test. The seat height was adjusted to the satisfaction of each participant, and toe clips prevented the feet from slipping off the pedals. Before the initial test, the subjects warmed up for 5 min, and the power was approximately 50 W. After the warm-up, two preparation exercises lasting 3 s, during which the actual test load was 3% of their own body weight, were applied to accustom the participant to resistance. The test started, and the resistance was set on the friction belt of the dynamometer. External loading was estimated individually at 5% body weight. The average fatigue index parameters were recorded.

    Measured: up to 6 weeks

  6. The Countermovement Jump (CMJ) Test

    The CMJ test is a practical, effective, reliable, and simple method of measuring lower limb strength, which is related to the maximum speed, strength and explosive force of the lower limbs. For this test, participants stood on the Kistler force measurement platform (9260AA, Kistler Co., Ltd., Switzerland) on both feet and performed to inspection. During the test, they were asked to put their hands on their hips and remain on the platform. After that, they were asked to squat down until the knees bent 90 degrees and then to immediately jump as high as possible. The average power (MF), were recorded during the jump. Each participant repeated the test 3 times, and CMJ data were obtained at the designated points. The instrument was calibrated for each individual's weight.

    Measured: up to 6 weeks

  7. VO2max

    To evaluate the maximum oxygen consumption and exercise performance, we used a treadmill (Pulsar, h/p/cosmos, Nussdorf-Traunstein, Germany) and an automatic breathing analyzer (Vmax 29c, Sensor Medics, Yorba Linda, CA, USA). In addition, a polar heart rate device was used to monitor the heart rate (HR). The speed range of the treadmill was set to 7.2 km/h and increased by 1.8 km/h every 2 min until fatigue, according to Bruce's protocol. When the breathing exchange rate (the volume ratio of carbon dioxide produced to oxygen consumed, VCO2/VO2) was higher than 1.10 and reached the maximum heart rate (maximum heart rate = 220 - age), oxygen consumption was considered to be maximum. The three highest VO2max peak were averaged to obtain the VO2max values of the individual volunteers.

    Measured: up to 6 weeks

  8. Muscle composition_muscle thickness

    Use muscular ultrasound (BenQ T3300) to scan muscle thickness

    Measured: up to 6 weeks

  9. Muscle composition_fascia thickness

    Use muscular ultrasound (BenQ T3300) to scan fascia thickness

    Measured: up to 6 weeks

  10. dual-energy X-ray absorptiometry, DXA

    A non-invasive dual-energy X-ray absorptive bone density testing room (Lunar iDXA, GE Healthcare, Chicago, IL, USA) was used for systemic body composition and bone density measurements. The subject was required to lie flat on the test bed, with their body at the center line, and their limbs within the detection range. Two different energy X-rays were used to scan the inspected part, then the scintillation detector received the X-rays that had penetrated the inspected part, and analyzed the obtained muscle mass

    Measured: up to 6 weeks

  11. Body composition_body fat

    The multi-frequency principle was applied to measure body composition by using a bioelectrical impedance analyzer (BIA) on an InBody 570 device (In-body, Seoul, South Korea). To perform the measurements, after the subjects' palms and soles were removed from the sensors, the subjects stood on the footing electrodes and held the sensing handles with two hands. During the measurements, the subjects kept their arms open and left their bodies at an angle of 30° without speaking or moving. The subjects also fasted for at least 8 h before the test. The body fat were meansure

    Measured: up to 6 weeks

  12. Body composition_muscle mass

    The multi-frequency principle was applied to measure body composition by using a bioelectrical impedance analyzer (BIA) on an InBody 570 device (In-body, Seoul, South Korea). To perform the measurements, after the subjects' palms and soles were removed from the sensors, the subjects stood on the footing electrodes and held the sensing handles with two hands. During the measurements, the subjects kept their arms open and left their bodies at an angle of 30° without speaking or moving. The subjects also fasted for at least 8 h before the test. The muscle mass were meansure

    Measured: up to 6 weeks

  13. Grip strength

    Use the armed grip machine (T.K.K.5401, Takei Scientific Instruments Co.,Ltd, Niigata, Japan) to measure, hold each of the left and right hands three times until they are weak, and record the maximum value

    Measured: up to 6 weeks

Secondary outcomes (10)
  1. Safety assessment - AST

    Safety is assessed function of liver such as AST (8-38 IU/L).

    Measured: up to 6 weeks

  2. Safety assessment - ALT

    Safety is assessed function of liver such as ALT (4-44 IU/L).

    Measured: up to 6 weeks

  3. Safety assessment - T-Cholesterol

    Safety is assessed function of blood lipid such as T-Cholesterol (<200 mg/dL).

    Measured: up to 6 weeks

  4. Safety assessment - Uric Acid

    Safety is assessed function of kidney such as Uric Acid (3.4-7.6 mg/dl)

    Measured: up to 6 weeks

  5. Safety assessment - BUN

    Safety is assessed function of kidney such as Bun (6-20 mg/dl)

    Measured: up to 6 weeks

  6. Safety assessment - Creatinine

    Safety is assessed function of kidney such as Creatinine (0.6-1.3 mg/dl)

    Measured: up to 6 weeks

  7. Safety assessment - Glucose

    Safety is assessed function of Glucose (70~100 mg/dL)

    Measured: up to 6 weeks

  8. Safety assessment - Triglycerides

    Safety is assessed function of blood lipid such as Triglycerides (<150 mg/dL)

    Measured: up to 6 weeks

  9. Safety assessment - LDL

    Safety is assessed function of blood lipid such as LDL (0~140mg/dl)

    Measured: up to 6 weeks

  10. Safety assessment - HDL

    Safety is assessed function of blood lipid such as HDL (>40mg/dl)

    Measured: up to 6 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Jun 2023
  2. Study start4 Jul 2022
  3. Primary completion24 Dec 2022
  4. Study completion24 Dec 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
52 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05909475
Sponsor's protocol ID
22-022
Status last verified
Jun 2023
First submitted
1 Jun 2023
Last updated
18 Jun 2023
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing GKEX in people with Sport Nutrition and Probiotic, run by National Taiwan Sport University at 1 site in Taiwan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 18 Jun 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Taiwan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Isometric Mid-Thigh Pull (IMTP_RFD (time frame: up to 6 weeks). The study lists 13 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Jun 2023.

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