The health effect of reduced coenzyme Q10, mainly to natural immune activity; a pilot study

The health effect of reduced coenzyme Q10, mainly to natural immune activity; a pilot study - The effect of reduced coenzyme Q10 to natural immune activity

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012501

Enrollment

Registered

2013-12-06

Start date

2012-12-03

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

Nothing

Interventions

active group

Participants take capsules containig 100mg of reduced coenzyme Q10 once a day after meal for sixteen weeks. placebo group

Participants take capsules not containig reduced coenzyme Q10 once a day after meal for sixteen weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Those who live in Kamijima town, Ehime prefecture. (2) Those whose age at the time of informed consent is 40 years old to about 80 years old. (3) Those who can understand the purpose and the contents of this study, and can agree with participation to this study by letter.

Exclusion criteria

Exclusion criteria: (1) The presence of allergic response to test foods. (2) Those who have taken medical supplies or supplements which investigator judged that this study would be affected. (3) Those who are during the medical treatment of critical diseases, such as cancer. (4) Pregnancy or beast-feeding. (5) In addition, those who were judged inadequate by investigator.

Design outcomes

Primary

Measure	Time frame
Frequency of cold-like symptoms	—

Countries

Japan

Contacts

Public ContactTetsu Kinoshita

Community SHIN Science Co., Ltd. Social Epidemiology Institute

tetsu.prospective@gmail.com089-904-7811

Outcome results

None listed

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