| Recruitment status | Open public recruiting |
| Unique ID issued by UMIN | UMIN000021559 |
| Receipt No. | R000023343 |
| Official scientific title of the study | Trypan blue staining during ophthalmic surgery |
| Date of disclosure of the study information | 2016/03/22 |
| Last modified on | 2016/04/08 (Ver. 2) |
| Basic information | ||
| Official scientific title of the study | Trypan blue staining during ophthalmic surgery | |
| Title of the study (Brief title) | Trypan blue staining during ophthalmic surgery | |
| Region |
|
|
| Condition | ||
| Condition | cataract with corneal opacity, mature cataract/hypermature cataract, patients who are indicated for DSAEK/DMEK | |
| Classification by specialty |
|
|
| Classification by malignancy | Others | |
| Genomic information | NO | |
| Objectives | |
| Narrative objectives1 | To evaluate visibility with trypan blue staining during ophthalmic surgery. |
| Basic objectives2 | Efficacy |
| Basic objectives -Others | |
| Trial characteristics_1 | Confirmatory |
| Trial characteristics_2 | |
| Developmental phase | Not applicable |
| Assessment | |
| Primary outcomes | visibility with trypan blue during ophthalmic surgery |
| Key secondary outcomes | |
| In outcomes field, the entry of just a few words such as "safety" or "efficiency" will not be accepted. Specify the name of outcome measures, including the time when you plan to measure. Usually, only one primary outcome is accepted. Write the other outcomes in "secondary outcomes" field. |
| 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 |
|
|
| Interventions/Control_1 | Anterior capsule staining with trypan blue in cataract surgery. Graft staining with trypan blue in DSAEK/DMEK. | |
| 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 | ||
| In interventions field, include the details of interventions, such as duration, amount, and frequency. If the intervention includes prescription or use of medical devices, duration is required. |
| Eligibility | ||||
| Age-lower limit |
|
|||
| Age-upper limit |
|
|||
| Gender | Male and Female | |||
| Key inclusion criteria | 1) Cataract with corneal opacity, Mature cataract/Hypermature cataract, or Patients who are indicated for DSAEK/DMEK in Osaka University Hospital
2) Whether either of the following criteria is met: i) Aged 20 years old and over, written informed consent from patient. ii) Aged 16 to 19 years, written informed consent from patient and proxy. iii) Under 16 years of age, informed assent from patient and written informed consent from proxy. iv) Under 16 years of age, written informed consent from proxy. |
|||
| Key exclusion criteria | i) Pregnancy, possible pregnancy, or breast-feeding.
ii) Unsuitable for entry in this study judged by investigators. |
|||
| Target sample size | 500 | |||
| Research contact person | |
| Name of lead principal investigator | Kohji Nishida |
| Organization | Osaka University Graduate School of Medicine |
| Division name | Department of Ophthalmology |
| Address | 2-2, Yamada-oka, Suita, Osaka |
| TEL | +81-6-6879-3451 |
| knishida@ophthal.med.osaka-u.ac.jp | |
| Public contact | |
| Name of contact person | Yoshinori Oie |
| Organization | Osaka University Graduate School of Medicine |
| Division name | Department of Ophthalmology |
| Address | 2-2, Yamada-oka, Suita, Osaka |
| TEL | +81-6-6879-3456 |
| Homepage URL | |
| yoie@ophthal.med.osaka-u.ac.jp | |
| Sponsor | |
| Institute | Department of Ophthalmology, Osaka University Graduate School of Medicine |
| Institute | |
| Department | |
| Sponsor means an organization that is responsible for plan, deployment and report of the research including funding management. It doesn't mean funding agency". Therefore, all clinical trial should have the one. |
| Funding Source | |
| Organization | Osaka University |
| Organization | |
| Division | |
| Category of Funding Organization | Other |
| Nationality of Funding Organization | Japan |
| 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 | |
| Institutions | 大阪大学医学部附属病院(大阪府) |
| Other administrative information | |||||||
| Date of disclosure of the study information |
|
||||||
| Progress | |||||||
| Recruitment status | Open public recruiting | ||||||
| Date of protocol fixation |
|
||||||
| Anticipated trial start date |
|
||||||
| Last follow-up date | |||||||
| Date of closure to data entry | |||||||
| Date trial data considered complete | |||||||
| Date analysis concluded | |||||||
| Related information | |
| URL releasing protocol | |
| Publication of results | Unpublished |
| URL releasing results | |
| Results | |
| Other related information | |
| Management information | |||||||
| Registered date |
|
||||||
| Last modified on |
|
||||||
| Link to view the page | |
| URL(English) | https://upload.umin.ac.jp/cgi-bin/ctr_e/ctr_view.cgi?recptno=R000023343 |