Effect of the supplement on accommodation of eye. : A randomized, double blinded, placebo controlled, and parallel group comparison study.

Clinical trials on accommodation function of the eye by continuous intake of supplements. : A randomized, double blinded, placebo controlled, and parallel group comparison study. - Clinical trials on accommodation function of the eye by continuous intake of supplements.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045613

Enrollment

Registered

2022-01-01

Start date

2021-10-02

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 volunteer

Interventions

Test Food Low dose Intervention period:4weeks Test Food High dose Intervention period:4weeks Placebo Intervention period:4weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Japanese male or female between the ages of 30 and 45 2. Subjects who spend a lot of time working on VDT per day 3. Subjects who have no eye disease other than refractive error (myopia, hyperopia, astigmatism) 4. Subjects who fully understand the purpose and content of this test and agree in writing

Exclusion criteria

Exclusion criteria: 1. Pollen allergies (during the study period) or perennial allergic conjunctivitis 2. LASIK surgery within 6 months 3. History or complication of serious liver, kidney, cardiovascular, gastrointestinal, lung, blood, or metabolic serious diseases 4. Regularly use medicines when obtaining consent 5. Cannot stop taking supplements during the test period 6. Have drug or food allergy 7. Participated in other clinical trials within the past month 8. Pregnant, breastfeeding or wish to become pregnant 9. Cannot maintain their daily habits 10. Have plans for overseas trips and long-term business trips 11. Shift workers and late-night workers who work after 0:00 AM 12. Users of supplements that may affect this test. 13. Drinker more than 40 g/day of pure alcohol 14. Smoker (over 20 cigarettes / day) 15. Who cannot take the test food as instructed 16. Donor of blood components or >= 200 mL whole blood within 1 month before the start of the test 17. Who feel sick after collecting blood 18. Determined by the responsible doctor to be inappropriate for this study

Design outcomes

Primary

Measure	Time frame
Accommodation of eye Time: 0w, 4w	—

Countries

Japan

Contacts

Public ContactYoshiki Endoh

New drug research center, Inc. Clinical Research Dept.

y-endoh@ndrcenter.co.jp0123-34-0412

Outcome results

None listed

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