Evaluation of taste sensitivity and health effects of umami in patients with type 2 diabetes mellitus

Evaluation of taste sensitivity and health effects of umami in patients with type 2 diabetes mellitus - Evaluation of taste sensitivity and health effects of umami in patients with type 2 diabetes mellitus

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050054

Enrollment

Registered

2023-01-23

Start date

2023-01-30

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

Patients with type 2 diabetes mellitus

Interventions

Participants will consume &quot

dashi&quot

before breakfast and dinner for the first month, then for the next month drinking hot water before breakfast and dinner with a normal diet. Participants will consume hot water before breakfast and din

before breakfast and dinner.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Age >= 20 2)Type 2 diabetes patients attending our hospital 3)Those who agree to participate in the program

Exclusion criteria

Exclusion criteria: 1) Those with diseases or taking medication that may cause taste abnormalities 2) Those who require special diet therapy such as iodine restriction or protein restriction 3) Those who are pregnant or breastfeeding 4) Those who the researchers judged difficult to participate the study

Design outcomes

Primary

Measure	Time frame
Change in detection thresholds for sweet.	—

Secondary

Measure	Time frame
Changes in detection thresholds for umami and salty, biometrics, lifestyle factors, and HR-QoL.	—

Countries

Japan

Contacts

Public ContactAkiko Niki

Graduate School of Medicine, Osaka University Department of Metabolic Medicine

akikoniki@endmet.med.osaka-u.ac.jp06-6879-3732

Outcome results

None listed

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