The study examining the effects of continuous drink of olive tea on obesity and glucose metabolism : a randomized, parallel group, controlled trial.

The study examining the effects of continuous drink of olive tea on obesity and glucose metabolism : a randomized, parallel group, controlled trial. - Continuous drink study of olive tea

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000025741

Enrollment

Registered

2017-01-20

Start date

2017-02-11

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 subjects

Interventions

Olive tea(12 weeks) low-concentrated olive tea(12 weeks)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Aged 40-64 years. 2) BMI not less than 25.0 kg/m2, under 30.0 kg/m2 3) FPG not less than 100 mg/dL, under 126 mg/dL and/or HbA1c not less than 5.7%, under 6.5% 4) Capable of giving informed consent

Exclusion criteria

Exclusion criteria: 1) Subjects who are treated for diabetes. 2) Subjects who are received pharmacotherapy for dyslipidemia. 3) Subjects who are taking medications that affect weight fluctuation and glucose metabolism such as antidepressant. 4) Subjects who are habitually taking supplement (including "food for specified health use", and "foods with function claims") that affect weight fluctuation and glucose metabolism. 5) Subjects who are habitually drinking olive tea. 6) Subjects who had participated in intervention study using olive tea. 7) Subjects who succeeded in losing weight greater than or equal 5% in the past year. 8) Subjects who are treated for anemia or have treatment history for anemia. 9) Subjects who are enrollment in another interventional study 10) Subjects who were recognized unsuitable for this study by the Investigator.

Design outcomes

Primary

Measure	Time frame
Change in body weight and abdominal circumference from baseline to 12 weeks.	—

Secondary

Measure	Time frame
Change in following items from baseline to 12 weeks 1) Glucose metabolic indicator 2) Dietary habit 3) Lipid metabolic indicator 4) Hepatic and renal function indicator	—

Countries

Japan

Contacts

Public ContactKoichi Hashimoto

University of Tsukuba, Faculty of Medicene Course of clinical research and regional innovation donated by the JA Ibaraki

koichi.hashimoto@md.tsukuba.ac.jp029-853-3064

Outcome results

None listed

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