| Recruitment status | Completed |
| Unique ID issued by UMIN | UMIN000020684 |
| Receipt No. | R000023869 |
| Official scientific title of the study | The validation study for improvement of visual fatigue in healthy Japanese: a double-blind, randomized, placebo-controlled, and parallel trial |
| Date of disclosure of the study information | 2016/01/21 |
| Last modified on | 2017/03/01 (Ver. 6) |
| Basic information | ||
| Official scientific title of the study | The validation study for improvement of visual fatigue in healthy Japanese: a double-blind, randomized, placebo-controlled, and parallel trial | |
| Title of the study (Brief title) | The validation study for visual fatigue in healthy Japanese | |
| Region |
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| Condition | |||
| Condition | Healthy adults | ||
| Classification by specialty |
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| Classification by malignancy | Others | ||
| Genomic information | NO | ||
| Objectives | |
| Narrative objectives1 | To investigate the effect of the test food to improve of visual fatigue caused by visual display terminal (VDT) in healthy Japanese adults |
| Basic objectives2 | Safety,Efficacy |
| Basic objectives -Others | |
| Trial characteristics_1 | Confirmatory |
| Trial characteristics_2 | Pragmatic |
| Developmental phase | Not applicable |
| Assessment | |
| Primary outcomes | 1. Miosis frequency (at 0 week and 4 weeks after)
* Perform the test before and after VDT for 45 minutes |
| Key secondary outcomes | 1. Flicker test (at 0 week and 4 weeks after)
* Perform the test before and after VDT for 45 minutes 2. subjective symptoms (at 0 week and 4 weeks after) |
| Base | |
| Study type | Interventional |
| Study design | |
| Basic design | Parallel |
| Randomization | Randomized |
| Randomization unit | Individual |
| Blinding | Double blind -all involved are blinded |
| Control | Placebo |
| Stratification | NO |
| Dynamic allocation | NO |
| Institution consideration | Institution is not considered as adjustment factor. |
| Blocking | NO |
| Concealment | No need to know |
| Intervention | ||
| No. of arms | 2 | |
| Purpose of intervention | Treatment | |
| Type of intervention |
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| Interventions/Control_1 | Period: 4 weeks
Test food: Aronia tablet Dose: 5 tablets a day Usage: intake at optional timing |
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| Interventions/Control_2 | Period: 4 weeks
Test food: placebo tablet Dose: 5 tablets a day Usage: intake at optional timing |
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| Interventions/Control_3 | ||
| Interventions/Control_4 | ||
| Interventions/Control_5 | ||
| Interventions/Control_6 | ||
| Interventions/Control_7 | ||
| Interventions/Control_8 | ||
| Interventions/Control_9 | ||
| Interventions/Control_10 | ||
| Eligibility | ||||
| Age-lower limit |
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| Age-upper limit |
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| Gender | Male and Female | |||
| Key inclusion criteria | 1. Healthy Japanese men and women
2. Persons who are aware of visual fatigue 3. Persons who usually play TV games, use PC, or perform VDT for more than 4 hours a day. 4. Persons whose corrected visual acuity in both eyes is > 1.0, and who do not wear contact lenses. |
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| Key exclusion criteria | 1. Persons who have previous medical history of malignant tumor, heart failure or myocardial infarction
2. Patients who are currently under the treatment for either atrial fibrillation, cardiac arrhythmia, hepatic disorder, renal disorder, cerebrovascular disorder, rheumatism, diabetes mellitus, dyslipidemia, hypertension or other chronic diseases 3. Patients who were diagnosed as presbyopia or are aware of presbyopia 4. Patients who have eye disease such as entropion or trichiasis 5. Patients who have uncorrected refractive errors 6. Patients who have astigmatism 7. Patients who have cause of visual fatigue except regulatory function such as nerve function, etc. 8. Persons who usually take pharmaceuticals (include herbal medicine), health-promoting diet and health food for the purpose of health maintenance 9. Persons who are allergic to medicines or foods related to the test food of this trial 10. Persons who have allergy to pollinosis 11. Persons who are pregnant, lactating, or planning to get pregnant during the trial period 12. Persons who were enrolled into other clinical trials within the last 3 months before agreeing to participate in this trial 13. Persons who are judged unsuitable for participating in this trial by physician |
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| Target sample size | 24 | |||
| Research contact person | |
| Name of lead principal investigator | Kazuo YAMAMOTO |
| Organization | ORTHOMEDICO, Inc. |
| Division name | R&D Department |
| Address | 2F Sumitomo Fudosan Korakuen Bldg., 1-4-1 Koishikawa, Bunkyo-ku, Tokyo. |
| TEL | 03-3818-0610 |
| kazu@orthomedico.jp | |
| Public contact | |
| Name of contact person | Naoko SUZUKI |
| Organization | ORTHOMEDICO, Inc. |
| Division name | R&D Department |
| Address | 2F Sumitomo Fudosan Korakuen Bldg., 1-4-1 Koishikawa, Bunkyo-ku, Tokyo. |
| TEL | 03-3818-0610 |
| Homepage URL | |
| nao@orthomedico.jp | |
| Sponsor | |
| Institute | ORTHOMEDICO, Inc. |
| Institute | |
| Department | |
| Funding Source | |
| Organization | Public Interest Incorporated Foundation, Northern Advancement Center for Science & Technology |
| Organization | |
| Division | |
| Category of Funding Organization | Non profit foundation |
| Nationality of Funding Organization | |
| Other related organizations | |
| Co-sponsor | Seishin-kai Medical Association Inc, Takara Medical Clinic. |
| Name of secondary funder(s) | |
| Secondary IDs | |
| Secondary IDs | NO |
| Study ID_1 | |
| Org. issuing International ID_1 | |
| Study ID_2 | |
| Org. issuing International ID_2 | |
| IND to MHLW | |
| Institutions | |
| Institutions | 医療法人社団 盛心会 タカラクリニック (東京都)
Seishin-kai Medical Association Inc, Takara Medical Clinic (Tokyo) |
| Other administrative information | |||||||
| Date of disclosure of the study information |
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| Progress | |||||||
| Recruitment status | Completed | ||||||
| Date of protocol fixation |
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| Anticipated trial start date |
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| Last follow-up date |
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| Date of closure to data entry |
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| Date trial data considered complete |
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| Date analysis concluded |
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| Related information | |
| URL releasing protocol | |
| Publication of results | Published |
| URL releasing results | |
| Results | Suzuki N, Sugawara M, Kudo M, Yamada T. Effects of Aronia Berry Intake on Eye Fatigue-A randomized Double-blind Placebo-controlled Trial-. Jpn Pharmacol Ther 2017; 45(2): 211-220. |
| Other related information | |
| Management information | |||||||
| Registered date |
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| Link to view the page | |
| URL(English) | https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000023869 |