Effects of health food products on weight loss in Japanese volunteers whose obesity classification is 1 or 2 as defined by the Japan Society for the Study of Obesity

Effects of health food products on weight loss in Japanese volunteers whose obesity classification is 1 or 2 as defined by the Japan Society for the Study of Obesity - Effects of health food products on weight loss in Japanese obese volunteers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000028927

Enrollment

Registered

2017-09-05

Start date

2017-09-13

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

Obesity classification 1 and 2 as defined by the Japan Society for the Study of Obesity

Interventions

Subjects will consume one of the 4 test diets. Test diet A (low-carbohydrate, energy-restricted meal or snack

approx. 1400 kcal/day with approx. 25% of &quot

available carbohydrates&quot

[saccharides]) will be ingested 6 times/day for 8 weeks. Test diet B (moderately low-carbohydrate meal or snack

approx. 1400 kcal/day with approx. 40% of available carbohydrates) will be ingested 4 times/day for 8 weeks. Test diet C (low-carbohydrate, energy-restricted meal

approx. 250 kcal/meal with approx. 30% of available carbohydrates) will substitute one of 3 meals daily for 4 weeks. Test diet D (hummus 120 g

approx. 260-400 kcal/120 g with approx. 15% of available carbohydrates in average) will be ingested daily together with regular meals for 4 weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Japanese adults who voluntarily give written informed consent; who wish to lose weight by ingesting health food products; whose BMI is >= 25.0 and < 35.0 when giving informed consent, i.e., obesity classification 1 or 2 as defined by the Japan Society for the Study of Obesity; and who are capable of recording body weight and other health-related data using the specified smartphone application

Exclusion criteria

Exclusion criteria: Diabetic patients History of previous or present illness that interferes with ethical conduct of the research as determined by the investigator, e.g., hepatic or renal disorder; cardiovascular, respiratory, endocrine, metabolic, nervous, or psychological disease (except hypertension and dyslipidemia) Known drug or food allergy History of previous or present drug or alcohol dependence

Design outcomes

Primary

Measure	Time frame
Changes in body weight and BMI from baseline (before start of test diets) to end of test diets and 8 week thereafter, and changes in body weight and BMI from end of test diets to 8 weeks thereafter	—

Secondary

Measure	Time frame
Changes over time in body weight, BMI, vital signs and clinical laboratory tests	—

Countries

Japan

Contacts

Public ContactHisayoshi Daito

Heishinkai Medical Group Incorporated, OCROM Clinic Director

hisayoshi.daito@heishinkai.com06-6330-8810

Outcome results

None listed

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