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Study on the genetic background of blood and skin carotenoid levels

Study on the genetic background of blood and skin carotenoid levels - Study on the genetic background of blood and skin carotenoid levels

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000052023
Enrollment
1000
Registered
2023-08-31
Start date
2023-09-01
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

None listed

Interventions

None listed

Sponsors

Hirosaki University Graduate School of Medicine
Lead Sponsor
KAGOME CO., LTD.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Participants whose genomic information is available from the Iwaki Health Promotion Project in 2015-2020.

Exclusion criteria

Exclusion criteria: 1. Participants with missing data used in the study 2. Participants deviated from Japanese genomic information

Design outcomes

Primary

MeasureTime frame
Total blood carotenoid level Skin carotenoid level—

Secondary

MeasureTime frame
Individual blood carotenoid and vitamin levels (lutein, zeaxanthin, beta-cryptoxanthin, alpha-carotene, beta-carotene, lycopene, alpha-tocopherol, retinol, vitamin C) Total vegetable intake Individual vegetable intake—

Countries

Japan

Contacts

Public ContactKen Itoh

Hirosaki University Graduate School of Medicine Department of Vegetable Life Science

itohk@hirosaki-u.ac.jp0172-39-5512

Outcome results

None listed

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