The effects of memantine versus placebo on visual functions after scleral buckling for regmatogenous retinal detachment (RRD)
Phase 2
Active, not recruiting
- Conditions
- patients with rhegmatogenus retinal detachment undergoing scleral buckeling surgeryEye - Diseases / disorders of the eye
- Registration Number
- ACTRN12609000111279
- Lead Sponsor
- Tehran University of Medical sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Active, not recruiting
- Sex
- All
- Target Recruitment
- 60
Inclusion Criteria
Macula off rhegmatogenus retinal detachment (RRD)
Duration<4 weeks
Proliferative vitreoretinopathy (PVR) A ;B
Visual acuity (V/A) < 20/200
Exclusion Criteria
Usage of digoxin and dextrometorphan (interacting with memantine)
Pregnancy an nursing
Renal disease
Failure of surgery
Longstanding retinal detachment (RD)
Other macular pathology
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Any change in visual acuity, testing by Early Treatment Diabetic Retinopathy Study (ETDRS) chart in LogMAR (Logarithmic value for Minimum Angle of Resolution)[Baseline, then on months 1, months 3]
- Secondary Outcome Measures
Name Time Method Any change in central macular thickness measured by optical coherence tomography (OCT)[Baseline, 3 months];Amplitudes of P waves in central macula measured by performing multifocal electroretinography (mERG) developed by Metrovision[3 months after operation];Contast sensitivity measurement in 4.8, 7.5, 12, & 15 cycle per degree measured by B-VATII Mentor[Baseline, 3 months]