Development of quercetin-containing onion for cognitive function and dysfunction

Development of quercetin-containing onion for cognitive function and dysfunction - Analysis of quercetin for cognitive function and dysfunction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000033258

Enrollment

Registered

2018-08-01

Start date

2018-06-06

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 cognitive impairment (MCI) Alzheimer&#39

Interventions

Onion powder (quercetin high amount) 9g are taken every day for twelve weeks. The effect is analyzed by cognitive function (HDS-R, MMSE) and BPSD assessment (Neuropsychiatric Inventory: NPI), general

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: mild cognitive impairment Alzheimer disease

Exclusion criteria

Exclusion criteria: severe cognitive impairment person cannot eat onion powder every day for three months

Design outcomes

Primary

Measure	Time frame
The effect of quercetin-containing onion intake for 12 weeks is analyzed by interventional trial to patient of mild cognitive impairment and Alzheimer disease.	—

Countries

Japan

Contacts

Public ContactToshiyuki Nakagawa

Gifu university Graduate School of Medicine

tnakagaw@gifu-u.ac.jp058-230-6481

Outcome results

None listed

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