The effect of dietary lifestyle intervention on mental and physical health, using an original smartphone app

The effect of dietary lifestyle intervention on mental and physical health, using an original smartphone app - Changes in mental and physical health by a smartphone-based dietary intervention

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000044740

Enrollment

1500

Registered

2021-07-31

Start date

2021-09-01

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 volunteers

Interventions

Daily fasting time &gt

14hr among participants with daily fasting time &lt

12hr, along with the guidance of healthier dietary style recommended by Ministry of Health, Labor and Welfare, using an original smartphone app for 4 weeks Only the guidance of healthier dietary sty

12hr Only the guidance of healthier dietary style recommended by Ministry of Health, Labor and Welfare among participants not eating breakfast

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adults aged 20 years and older

Exclusion criteria

Exclusion criteria: Pregnancy Comorbidities with drug treatment Shift workers

Design outcomes

Primary

Measure	Time frame
Changes in body weight after 4-week intervention	—

Countries

Japan

Contacts

Public ContactKOICHIRO AZUMA

Nerima General Hospital and Institute of Healthcare Quality Improvement, Public Interest Incorporate Department of Medicine

kazuma@nerima-hosp.or.jp0359882200

Outcome results

None listed

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