| Recruitment status | Terminated |
| Unique ID issued by UMIN | UMIN000019629 |
| Receipt No. | R000022690 |
| Official scientific title of the study | Evaluation for therapeutic effect of corneal photovetrification against macular degeneration |
| Date of disclosure of the study information | 2015/11/04 |
| Last modified on | 2018/05/08 (Ver. 3) |
| Basic information | ||
| Official scientific title of the study | Evaluation for therapeutic effect of corneal photovetrification against macular degeneration | |
| Title of the study (Brief title) | Evaluation for CPV against macular degeneration | |
| Region |
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| Condition | ||
| Condition | Dry type age-related macular degeneration, wet type age-related macular degeneration, and myopic macular degeneration | |
| Classification by specialty |
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| Classification by malignancy | Others | |
| Genomic information | NO | |
| Objectives | |
| Narrative objectives1 | Corneal photovetrification (CPV) is a therapeutic opportunity for macular degeneration by changing the structure of cornea and modifying the distribution of light illumination. In this study, we will evaluate the safety and the efficiency of this procedure. |
| Basic objectives2 | Safety,Efficacy |
| Basic objectives -Others | |
| Trial characteristics_1 | |
| Trial characteristics_2 | |
| Developmental phase | |
| Assessment | |
| Primary outcomes | 1. Best corrected distance and near visual acuity
2. Functional visual acuity 3. Contrast sensitivity 4. Subjective symptoms evaluated by VFQ-25 and happiness questionnaire |
| Key secondary outcomes | |
| Base | |
| Study type | Interventional |
| Study design | |
| Basic design | Single arm |
| Randomization | Non-randomized |
| Randomization unit | |
| Blinding | Open -no one is blinded |
| Control | Uncontrolled |
| Stratification | |
| Dynamic allocation | |
| Institution consideration | |
| Blocking | |
| Concealment | |
| Intervention | ||
| No. of arms | 1 | |
| Purpose of intervention | Treatment | |
| Type of intervention |
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| Interventions/Control_1 | Corneal photovitrification: CPV
On the operating day |
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| Interventions/Control_2 | ||
| 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. Patients diagnosed as age-related macular degeneration (wet or dry) or myopic macular degeneration
2. Patients whose visual acuity ranged between 0.02 to 0.3 3. Patients whose visual acuity can be improved 2 lines (10 letters) by 2.5x telescope using ETDRS charts 4. Patients who have normal corneal structure evaluated by corneal topography 5. Patients who do not wear contact lenses or who can take of contact lenses 1 week (for SCL) or 3 weeks prior to the procedure 6. Patients who can follow the examination schedule 7. Patients who can sign the informed consent form |
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| Key exclusion criteria | 1. Patients who have ocular diseases beside macular degeneration
2. Patients who have corneal astigmatism larger than 3 diopters 3. Patient who have corneal surgical history 4. Patient who are considered as not appropriate by the doctors |
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| Target sample size | 15 | |||
| Research contact person | |
| Name of lead principal investigator | Kazuo Tsubota |
| Organization | Minami Aoyama Eye Clinic |
| Division name | Ophthalmology |
| Address | 3-3-11-4F, Kitaaoyama, Minato-ku, Tokyo |
| TEL | 03-5772-1451 |
| tsubota@z3.keio.jp | |
| Public contact | |
| Name of contact person | Toshihide Kurihara |
| Organization | Minami Aoyama Eye Clinic |
| Division name | Ophthalmology |
| Address | 3-3-11-4F, Kitaaoyama, Minato-ku, Tokyo |
| TEL | 03-5772-1451 |
| Homepage URL | |
| kurihara@z8.keio.jp | |
| Sponsor | |
| Institute | Minami Aoyama Eye Clinic |
| Institute | |
| Department | |
| Funding Source | |
| Organization | Optimal Acuity Corporation |
| Organization | |
| Division | |
| Category of Funding Organization | Outside Japan |
| Nationality of Funding Organization | |
| Other related organizations | |
| Co-sponsor | |
| 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 | |
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| Date of disclosure of the study information |
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| Progress | |||||||
| Recruitment status | Terminated | ||||||
| Date of protocol fixation |
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| Date analysis concluded | |||||||
| Related information | |
| URL releasing protocol | |
| Publication of results | Unpublished |
| URL releasing results | |
| Results | |
| Other related information | |
| Management information | |||||||
| Registered date |
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| Last modified on |
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| Link to view the page | |
| URL(English) | https://upload.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000022690 |