Phase IIb clinical trial of ranibizumab for the treatment of uveitic and idiopathic choroidal neovascular membranes

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To assess the efficacy of intravitreal ranibizumab for the treatment of new onset inflammatory choroidal neovascularisation (iCNV), including both uveitic and idiopathic CNVs.


Single-centre, open-label, non-randomised Phase IIb clinical trial. Patients fulfilling strict entry criteria of new onset iCNV were given monthly intravitreal ranibizumab injections for 3 months. Thereafter, re-treatment was based on evidence of persisting activity. All patients completed trial follow-up. Optical coherence tomography (OCT) and best-corrected visual acuity (BCVA) were performed at every visit. Fluorescein angiography was performed at baseline, months 4 and 12. Descriptive analysis and Wilcoxon non-parametric test were performed for analysis.


15 patients, 10 women with a mean age of 48.8 years (range 24–85 years) were included in the study. The mean number of injections was 4.33 (range 3–7). There was a statistically significant difference in the BCVA at month 4 (p=0.001) and at month 12 (p=0.001) compared with baseline. The mean gain in BCVA at month 4 compared with baseline was 20±15.36 letters (mean±SD), and at month 12 was 21±16.97 letters. There was a statistically significant difference in the mean central subfield thickness (CST) at baseline versus month 4 (p=0.003) and month 12 (p=0.001).


Patients gained vision (mean of 21 letters at 12 months) and showed reduced CST. These results support the continued use of ranibizumab in the treatment of iCNV.

Trial registration number

2008-007476-19, results.

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