Preliminary study concerning the effects of consumption of strong carbonated water on improving eating behavior, fatigue symptom, sleep, body composition, and physical activity

Preliminary study concerning the effects of consumption of strong carbonated water on improving eating behavior, fatigue symptom, sleep, body composition, and physical activity - Strong carbonated water in Sado Island

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058277

Enrollment

Registered

2025-07-07

Start date

2025-07-10

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

Mild obesity

Interventions

Drink 500 mL of strong carbonated water

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) able to participate the regular measurement sessions (2) 30 years of age or older, and under 75 years (3) Body Mass Index (BMI) of 23 kg/m2 or more (4) who have been fully informed of the purpose and content of this study, are able to consent, have a good understanding of the study, volunteer to participate, and can give written consent to participate in this study

Exclusion criteria

Exclusion criteria: (1) pregnant or breastfeeding (2) participants in other clinical studies within 3 months of consent (3) who regularly drink carbonated water (4) otherwise deemed ineligible by the study director

Design outcomes

Primary

Measure	Time frame
Eating behavior questionnaire	—

Secondary

Measure	Time frame
fatigue, sleep quality, body composition, alcohol consumption	—

Countries

Japan

Contacts

Public ContactTetsu Kinoshita

Institute of Community Life Sciences Co., Ltd Institute of Social Epidemiology

tetsu.prospective@gmail.com0899047811

Outcome results

None listed

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