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A verification study for kale "Koiaona" effects on serum uric acid level regulation: a randomized, double-blinded, placebo-controlled trial.

A verification study for kale "Koiaona" effects on serum uric acid level regulation: a randomized, double-blinded, placebo-controlled trial. - A verification study for "Koiaona" effects on serum uric acid level regulation.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000035929
Enrollment
80
Registered
2019-07-15
Start date
2019-05-13
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

N/A(healthy adults)

Interventions

powder Dose: Take one package, two times a day Administration: Take one package before breakfast and dinner Duration: 12 weeks Test material:Placebo Dose: Take one package, two times a day

Sponsors

Kyoto Prefectural University Of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1)20yrs<=age<=65yrs 2)Male 3)Outpatients 4)6.0 mg/dl<=uric acid level <=7.9 mg/dl 5)Those who don't change living habits such as exercise, diet, etc. during the study period. 6) Those who received a full explanation of the procedures in the study, and informed consent was documented and signed.

Exclusion criteria

Exclusion criteria: 1) Those who are receiving medication and/or treatment such as hyperuricemia or gout. 2) Those who are under treatment of diseases (urinary stone, kidney stone, rheumatoid arthritis) which may influence the outcome of the study, or diseases (urinary tract infections, renal disorders, hypertension, diabetes) that are related to the study. 3)Those who are usually taking drugs and health foods affecting the study results (e.g. Chitosan, anserine, chrysanthemum polyphenols, lactic acid bacteria PA-3, supplement containing DNA / RNA, beer yeast, health food including vegetables (vegetable enzyme drink, green juice), etc.). 4) Whose diet is extremely irregular. 5) Those who are routinely drinking a large amount of alcohol. 6) Those who are habitually exercising such as marathon. 7) Currently, exercise therapy and diet therapy are performed/ planning to under the supervision of a physician . 8) serious heart disease [heart failure, myocardial infarction, myocarditis, etc.] liver disease [liver failure symptoms (fulminant hepatitis ),patients with cirrhosis of the liver, liver tumor], renal disease [nephrotic syndrome, renal failure (acute and chronic), uremia, merged, etc. hydronephrosis] 9) Those who have participated in other clinical trials within before consent get one month, and those who are currently participating in other clinical trials. 10) At the physician's judgment, who are determined that there is a possibility that either increased risk to the subject, or sufficient data not obtained.

Design outcomes

Primary

MeasureTime frame
Serum uric acid level

Secondary

MeasureTime frame
Urine dithiocarbamates concentration, Blood carotenoid concentration, Variety and ratio of bacteria in stool, Urine uric acid level / urinary creatinine level ratio.

Countries

Japan

Contacts

Public ContactTomohisa Takagi

Kyoto Prefectural University of Medicine Department of Gastroenterology and Hepatology

takatomo@koto.kpu-m.ac.jp075-251-5508

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026