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Investigation of effects of blackcurrant extract on suppression of myopia progression

Investigation of effects of blackcurrant extract on suppression of myopia progression - Investigation of effects of blackcurrant extract on suppression of myopia progression

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000042505
Enrollment
15
Registered
2020-11-21
Start date
2021-09-29
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

Japanese healthy children in the ages greater than or equal 9, and less than 12

Interventions

None listed

Sponsors

Morishita Jintan Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1)Healthy Japanese children in the ages greater than or equals to 8 and less than 12.(Gender ratio is intended to be 50/50) (2) A person who understood and agreed with the purpose of the clinical trial. The agreement document from the subject or its proxy is required based on the above understanding prior the clinical trial. (3) Persons who are able to comply with the requirements of the study, receive the medical examination prescribed in the protocol, and report symptoms and other information.

Exclusion criteria

Exclusion criteria: (1)Persons who are allergic to the test food (2)Any other person who is judged by the doctor responsible for the trial as in appropriate to participate in the study.

Design outcomes

Primary

MeasureTime frame
Eye axial length

Secondary

MeasureTime frame
Naked visual acuity, corrected visual acuity, objective refractive index (other-angle refractive index), intraocular pressure, contrast visual acuity, and questionnaire.

Countries

Japan

Contacts

Public ContactMamiko Kohno

Morishita Jintan Co., Ltd. Health Care Product Department

m_kohno@jintan.co.jp03-6206-8138

Outcome results

None listed

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