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Molecular mechanism of quercetin to regulate amyloid-beta production in Alzheimer's disease

Molecular mechanism of quercetin to regulate amyloid-beta production in Alzheimer's disease - Analysis of the effect of quercetin-containing onion for cognitive function and dysfunction

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000014315
Enrollment
30
Registered
2014-07-18
Start date
2011-04-01
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

Alzheimer&#39

Interventions

Onion powder (quercetin high amount or low amount) 18g are taken every day for four weeks. Washout is for four weeks between each onion powder. The effect is analyzed by cognitive function (HDS-R, MMS

Sponsors

National Agriculture and Food Research Organization
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: mild cognitive impairment Alzheimer's disease

Exclusion criteria

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

Design outcomes

Primary

MeasureTime frame
The effect of quercetin-containing onion is analyzed by interventional trial to patient of mild cognitive impairment and Alzheimer's 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