Skip to content

A study for evaluating the effect of the intake of a kale-containing green juice on blood pressure in adult males and females with a higher blood pressure.

A study for evaluating the effect of the intake of a kale-containing green juice on blood pressure in adult males and females with a higher blood pressure. - A study for evaluating the effect of the intake of a kale-containing green juice on blood pressure in adult males and females with a higher blood pressure.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000031450
Enrollment
80
Registered
2018-02-26
Start date
2018-02-27
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

healthy adult with a higher blood pressure

Interventions

Ingestion of a kale - containing food for 12 weeks. Ingestion of placebo without a kale for 12 weeks.

Sponsors

TTC Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Males and females from 20 to 64 years of age (2) Subjects who have a higher blood pressure in preliminary examination

Exclusion criteria

Exclusion criteria: (1) Subjects who routinely use green juice more than once per week (2) Subjects taking medicine, health food (including food for specified health use) and supplements which may influence blood pressure. (3) Subjects who have an allergy to plants of Brassicaceae including kale and metal, and may induce an allergy by participating in this study. (4) Subjects who have a disease under treatment (except hay fever sufferer without treatment during this study period and subjects with asthenopia only using eye drops). (5) Subjects who have under treatment or a history of serious disease (e.g., diabetes, liver disease, kidney disease, or heart disease) (6) Subjects taking warfarin potassium (vitamin k-dependent coagulation factor synthesis inhibitors). (7) Subjects who are judged as unsuitable for the study based on the results of clinical and physical examination on preliminary examination. (8) Subjects who have participated in other clinical study within the last one month prior to the current study or are planned to participate in other clinical study after informed consent for the current study. (9) Subjects who can not keep restriction and prohibited matter during this study period. (10) Subjects who have habits affecting research results, such as doing shift work day and night, or Subjects who have a plan that affect research results such as day and night shift work and overseas. (11) Subjects who are planned to become pregnant after informed consent for the current study or are pregnant or lactating. (12)Subjects who are judged as unsuitable for the study based on the results of lifestyle questionnaire. (13)Subjects who are judged as unsuitable for the study by the investigator for other reason.

Design outcomes

Primary

MeasureTime frame
Systolic blood pressure, diastolic pressure

Countries

Japan

Contacts

Public ContactKunihiko Wasaki

TTC Co., Ltd. Clinical Research Planning Department

k.wasaki@ttc-tokyo.co.jp03-5459-5329

Outcome results

None listed

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