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Quantitative analysis of vitreous and plasma concentrations of brilliant blue G after use as a surgical adjuvant in chromovitrectomy

Quantitative analysis of vitreous and plasma concentrations of brilliant blue G after use as a surgical adjuvant in chromovitrectomy - Residualplasma concentrations of BBG after chromovitrectomy

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000020216
Enrollment
5
Registered
2015-12-16
Start date
2012-03-01
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

Chromovitrevictomy for ERM and macular hole

Interventions

Sponsors

Kyusyu University Hospital, Ohshima Hospital of Ophthalmology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients required for vitrectomy in one or both eyes Primary diseases for vitrectomy are macular hole, epiretinal macular membrane, macular hole retinal detachment cased by high myopia , proliferativevitreoretinopathy, preproliferative diabetic retinopathy, diabetic macular edema, macular edema cased by occlusion of retinal vein, and stainig and peeling of internal limiting membrane in vitrectomy are necessary. 2) Age : >=20 years old at the time of obtaining informed consent 3) Male or female passed 2 years after menopause 4) Patients comply with the schedule instructed by PI or SI 5) Patients take part in this trial based on their own free will and give informed consent in written form.

Exclusion criteria

Exclusion criteria: 1) Vitrectomized eye. 2) Has serious of digestive, circulatory, kidney, liver, or blood/coagulation complications 3) Had present and past uveitis or glaucoma 4) Has a history of drug hypersensitivity reactions for Triamcinolone acetonide, mydriatic, antibacterial eyedrops or local anesthetic. 5) Has a history of drug or alcohol abuse 6) Had taken this clinical trial 7) Will take part in in another clinical trial or clinical research during this clinical trial 8) Is deemed unsuitable for this trial by PI or SI

Design outcomes

Primary

MeasureTime frame
Plasma concentrations of BBG after chromovitrectomy

Secondary

MeasureTime frame
Vitreous concentrations of BBG after chromovitrectomy

Countries

Japan

Contacts

Public ContactMakiko Uchiyama

Kyusyu University Hospital Center for Clinical and Translational Research

m-uchi@med.kyushu-u.ac.jp81-92-642-6291

Outcome results

None listed

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