Effects of Extraction Liquid from Yakon Tea on physical and metabolic parameters of Type 2 Diabetes Mellitus

Effects of Extraction Liquid from Yakon Tea on physical and metabolic parameters of Type 2 Diabetes Mellitus - Effects of Yakon Tea on Type 2 Diabetes Mellitus

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024683

Enrollment

Registered

2017-04-01

Start date

2017-03-01

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

Type 2 Diabetes Mellitus

Interventions

To let type 2 diabetics drink about 1L/day of yakon tea.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 20-years-old and older type 2 diabetics who are admitting to Department of Endocrinology and Diabetes Mellitus of Fukuoka University Chikushi Hospital.

Exclusion criteria

Exclusion criteria: Individuals with 1) diabetic ketoasidosis, diabetic coma 2) severe liver/kidney dysfunction 3) severe infection, perioperative state, severe wound 4) pregnancy, possible pregnancy, breast feeding 5) past history of allergic reactions to yakon tea 6) medical history of severe cerebro/cardiovascular disease within 6 months 7) nonquolification for this trial by doctors

Design outcomes

Primary

Measure	Time frame
HbA1c after 1-month drink of yakon tea	—

Countries

Japan

Contacts

Public ContactKunihisa Kobayashi

Fukuoka University Chikushi Hospital Department of Endocrinology and Diabetes Mellitus

nihisak@fukuoka-u.ac.jp092-921-1011

Outcome results

None listed

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