Clinical trial on serum astaxanthin and lutein concentration change by consecutive ingestion of astaxanthin and lutein containing food (self- emulsifying formulation) - a randomized, double-blind, parallel study -

Clinical trial on serum astaxanthin and lutein concentration change by consecutive ingestion of astaxanthin and lutein containing food (self- emulsifying formulation) - a randomized, double-blind, parallel study - - Clinical trial on serum astaxanthin and lutein concentration change by consecutive ingestion of astaxanthin and lutein containing food (self- emulsifying formulation)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035493

Enrollment

Registered

2019-11-29

Start date

2019-01-10

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

Healthy adults

Interventions

Ingestion of test food for 3 consecutive weeks Ingestion of control food for 3 consecutive weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Healthy males and females aged from 20 to 50 years old 2) Subjects whose BMI >=18.5 kg/m2 and <25kg/m2

Exclusion criteria

Exclusion criteria: 1)Subjects who previous serious disease 2)Subjects who have history of surgical resection of the gastrointestinal tract (except for appendectomy) 3)Subjects who have various symptoms of indigestion (diarrhea, stomach feels upset etc.) 4)Subjects who have the habit of skipping breakfast (meals including staple food) 5)Subjects who smoke present or have smoked within the last one year prior to the current study 6)Subjects who have excessive drinking habits 7)Subjects who are taking medicine, being treated by a doctor or are intend to under medication by a doctor during the test period(hay fever etc) 8) Subjects who routinely take medicine or health foods (supplement containing astaxanthin, lutein, other carotenoids, kale juice etc.) that may affect the results of this study 9) Subjects who intend to become pregnant or lactating 10) Subjects who are judged as unsuitable by doctor for other reasons

Design outcomes

Primary

Measure	Time frame
Blood astaxanthin and lutein concentration change by 3 consecutive weeks ingestion of test food	—

Countries

Japan

Contacts

Public ContactReiko Naito

Kenkoin Medical Corporation Foundation Kenkoin Clinic

reiko-naito@kenkoin.jp03-3573-1153

Outcome results

None listed

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