| Recruitment status | No longer recruiting |
| Unique ID issued by UMIN | UMIN000033629 |
| Receipt No. | R000038332 |
| Scientific Title | Comparison of intraocular lens location after Phacovitrectomy and Cataract surgery |
| Date of disclosure of the study information | 2018/08/06 |
| Last modified on | 2020/08/04 (Ver. 6) |
| Basic information | ||
| Public title | Comparison of intraocular lens location after Phacovitrectomy and Cataract surgery | |
| Acronym | IOL location after phacovitrectomy | |
| Scientific Title | Comparison of intraocular lens location after Phacovitrectomy and Cataract surgery | |
| Scientific Title:Acronym | IOL location after phacovitrectomy | |
| Region |
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| Condition | ||
| Condition | Posterior segment diseases, Cataract | |
| Classification by specialty |
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| Classification by malignancy | Others | |
| Genomic information | NO | |
| Objectives | |
| Narrative objectives1 | To investigate dynamics of 2 kinds of single-piece intraocular lens after uneventful phacovitrectomy by swept-source anterior segment optical coherence tomography. |
| Basic objectives2 | Bio-equivalence |
| Basic objectives -Others | |
| Trial characteristics_1 | Exploratory |
| Trial characteristics_2 | Explanatory |
| Developmental phase | Not applicable |
| Assessment | |
| Primary outcomes | Measurements of intraocular lens decentration and tilt, and measurements of anterior chamber depth at 1 week, 1 months, and 3 months after surgery, using an anterior segment optical coherence tomography. |
| Key secondary outcomes | Measurements of spherical equivalent and uncorrected/corrected distance visual acuity before surger, as well as 1 week, 1 month, and 3 months after surgery. |
| Base | |
| Study type | Interventional |
| Study design | |
| Basic design | Parallel |
| Randomization | Randomized |
| Randomization unit | Individual |
| Blinding | Double blind -all involved are blinded |
| Control | Active |
| Stratification | NO |
| Dynamic allocation | NO |
| Institution consideration | Institution is not considered as adjustment factor. |
| Blocking | NO |
| Concealment | Numbered container method |
| Intervention | ||
| No. of arms | 2 | |
| Purpose of intervention | Treatment | |
| Type of intervention |
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| Interventions/Control_1 | Sixty patients who are scheduled for phacovitrectomy are randomly assigned to one of two groups. | |
| Interventions/Control_2 | One of 2 kinds of single-piece intraocular lenses are implanted to each group. Sixty patients who are scheduled for cataract surgery are enrolled as control. | |
| 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 | Sixty eyes of consecutive 60 patients who are scheduled for phacovitrectomy. Sixty eyes of consecutive 60 patients who are scheduled for cataract surgery. | |||
| Key exclusion criteria | Patients in which an intraocular lenses cannot be implanted in the capsular bag. Patients with weak Zinn's zonule. Patients scheduled for receiving long-acting gas or silicone oil in the vitreous cavity. Patients scheduled for extracapsular or intracapsular cataract extraction. Less than 6.0 mm pupil diameter after mydriasis. Patients not available for follow-up. | |||
| Target sample size | 60 | |||
| Research contact person | |||||||
| Name of lead principal investigator |
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| Organization | Hayashi Eye Hospital | ||||||
| Division name | Department of Ophthalmology | ||||||
| Zip code | 8120011 | ||||||
| Address | 4-23-35, Hakataekimae, Hakata-ku,Fukuoka-city,Fukuoka | ||||||
| TEL | 092-431-1680 | ||||||
| tatsusatou@hayashi.or.jp | |||||||
| Public contact | |||||||
| Name of contact person |
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| Organization | Hayashi Eye Hospital | ||||||
| Division name | Department of Ophthalmology | ||||||
| Zip code | 8120011 | ||||||
| Address | 4-23-35, Hakataekimae, Hakata-ku,Fukuoka-city,Fukuoka | ||||||
| TEL | 092-431-1680 | ||||||
| Homepage URL | |||||||
| tatsusatou@hayashi.or.jp | |||||||
| Sponsor | |
| Institute | Hayashi Eye Hospital |
| Institute | |
| Department | |
| Funding Source | |
| Organization | None |
| Organization | |
| Division | |
| Category of Funding Organization | Self funding |
| Nationality of Funding Organization | Japan |
| Other related organizations | |
| Co-sponsor | |
| Name of secondary funder(s) | |
| IRB Contact (For public release) | |
| Organization | Institutional Review Board of Hayashi Eye Hospital |
| Address | 4-23-35, Hakataekimae, Hakata-ku,Fukuoka, Japan |
| Tel | 092-431-1680 |
| mihara-seiya@hayashi.or.jp | |
| 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 | 林眼科病院(福岡県)Hayashi Eye Hospital (Fukuoka) |
| Other administrative information | |||||||
| Date of disclosure of the study information |
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| Related information | |
| URL releasing protocol | https://www.sciencedirect.com/science/article/abs/pii/S2468653020300427?via%3Dihub |
| Publication of results | Unpublished |
| Result | |||||||
| URL related to results and publications | https://www.sciencedirect.com/science/article/abs/pii/S2468653020300427?via%3Dihub | ||||||
| Number of participants that the trial has enrolled | 120 | ||||||
| Results | Neither myopic shift nor IOL displacement occurs after 25-gauge phacovitrectomy with a single-piece IOL without gas injection for macular pathology compared with phacoemulsification alone. |
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| Results date posted |
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| Results Delayed | |||||||
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| Date of the first journal publication of results | |||||||
| Baseline Characteristics | Good |
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| Participant flow | Good |
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| Adverse events | None |
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| Outcome measures | IOL location, refractive error |
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| Plan to share IPD | |||||||
| IPD sharing Plan description | |||||||
| Progress | |||||||
| Recruitment status | No longer recruiting | ||||||
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| Date analysis concluded |
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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=R000038332 |