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FatigueNCT05877677

The Effects Assessment of the Polygonatum Kingianum Extract on Endurance Performance and Anti-fatigue

A study testing Polygonatum kingianum extract drink in people with Fatigue, run by TCI Co., Ltd. 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

To assess the efficacy of polygonatum kingianum extract on endurance performance and anti-fatigue Read more about this study

Who is it for?
Ages 30 to 60 years, men onlyHealthy volunteers can take part
Conditions the study is for
Fatigue
What is being tested?
Polygonatum kingianum extract drink
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
50 participants
Where
1 siteTaiwan
Study dates
18 May 2023to 1 Jul 2023
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 30 to 60 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy male aged 30-60 years old
  • Must read and sign the informed consent form
  • During the experiment, do not change the lifestyle and eating habits
  • Cooperate not to engage in high-intensity exercise 48 hours before each experiment

Who cannot join

  • Subject who is not willing to participate in this study.
  • People with serious diseases of heart, liver, kidney, endocrine and other organs (such as hypertension, diabetes, renal dysfunction and heart-related diseases) and mental patients
  • People who have undergone surgery within 6 months or have lower limb injuries
  • People who are allergic to Polygonatum kingianum extract
  • Participate in other clinical trials related to anti-fatigue within four weeks of the trial
  • Students who are currently taking courses taught by the principal investigator of this trial.

Trial locations and contacts

1 site in 1 country.

Taiwan1 site
  • National Pingtung University of Science and Technology

    Pingtung City

Other trials in Taiwan

About this study

To assess the efficacy of polygonatum kingianum extract on endurance performance and anti-fatigue

Conditions
Fatigue
Being tested
Placebo drink, Polygonatum kingianum extract drink
Medical subject headings
Fatigue

What participants receive

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

  • Placebo drinkDietary supplement

    consume 1 bottle per day

  • Polygonatum kingianum extract drinkDietary supplement

    Also called Dragon Power® Polygonatum kingianum extract drink

    consume 1 bottle per day

Study groups in NCT05877677
Study groupRoleWhat they receive
Placebo drinkPlacebo comparatorconsume 1 bottle per day
Receives: Dietary Supplement: Placebo drink
Polygonatum kingianum extract drinkExperimentalconsume 1 bottle per day
Receives: Dietary Supplement: Polygonatum kingianum extract drink

What is being measured

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

  1. The change of aerobic endurance

    3-min step test is used to assess aerobic endurance

    Measured: Day 0, day 14, day28

  2. The change of continuous attention performance

    Canon continuous attention software (Conners' Continuous Performance Test) is used to assess continuous attention performance

    Measured: Day 0, day 14, day28

  3. The change of concentration of testosterone in blood

    Fasting venous blood was sampled to measure concentrations of testosterone

    Measured: Day 0, day 14, day28

  4. The change of blood PDE5 gene expression

    Fasting venous blood was sampled to measure the expression of PDE5 gene

    Measured: Day 0, day 14, day28

Secondary outcomes (2)
  1. The change of blood nitric oxide (NO)

    Fasting venous blood was sampled to measure concentrations of nitric oxide

    Measured: Day 0, day 14, day28

  2. The change of self-assessment fatigue condition

    A 10 point likert scale was utilized to evaluate fatigue condition. The higher the score, the higher the fatigue level.

    Measured: Day 0, day 14, day28

Timeline

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

  1. First posted26 May 2023
  2. Study start18 May 2023
  3. Primary completion17 Jun 2023
  4. Study completion1 Jul 2023

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
Double blind
Who is masked
Participant, Investigator
Enrolment
50 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05877677
Sponsor's protocol ID
23-027-A
Status last verified
Aug 2023
First submitted
17 May 2023
Last updated
8 Aug 2023
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Polygonatum kingianum extract drink in people with Fatigue, run by TCI Co., Ltd. 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 4 inclusion and 6 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 8 Aug 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?

The change of aerobic endurance (time frame: Day 0, day 14, day28). The study lists 4 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 8 Aug 2023.

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