Diet improvement program

Diet improvement program to reduce salt intake and increase potassium intake

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1032210217

Enrollment

500

Registered

2021-07-30

Start date

2021-07-20

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

People with high estimated usual sodium intake or low estimated potassium intake. Salt and potassium intake

Interventions

The Screening Process We will enroll approximately 500 persons who meet the inclusion criteria. Then, they will have a spot urine test to assess whether a person qualifies for the intervention. Of the

D004039

Reduce salt intake and increase potassium intake

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Employees in the Japan Airlines Co., Ltd. or Daiwa Securities Co. Ltd. who also took a health check at 2020. Persons who give informed consent from the date of IRB approval to March 31, 2022. Persons 20 to 59 years of age when they give informed consent. Persons who can have own iPhone and use it.

Exclusion criteria

Exclusion criteria: People who experience a loss of appetite. A pregnant woman. Persons with chronic kidney disease or diabetic kidney disease.

Design outcomes

Primary

Measure	Time frame
Casual (spot)sodium-to-potassium ratio.	—

Secondary

Measure	Time frame
Estimated 24-h urinary sodium excretion. Estimated 24-h urinary potassium excretion.	—

Contacts

Public ContactYuichiro Yano

Yokohama City University

yyano@jichi.jp+81-45-370-7949

Outcome results

None listed

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