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Hattenbach, Lars‐Olof; Feltgen, Nicolas; Bertelmann, Thomas; Schmitz‐Valckenberg, Steffen; Berk, Hüsnü; Eter, Nicole; Lang, Gabriele E.; Rehak, Matus; Taylor, Simon R.; Wolf, Armin; Weiss, Claudia; Paulus, Eva‐Maria; Pielen, Amelie; Hoerauf, Hans
Acta ophthalmologica (Oxford, England), February 2018, Volume: 96, Issue: 1Journal Article
Purpose To compare the efficacy and safety of ranibizumab 0.5 mg versus dexamethasone 0.7 mg according to their European labels in macular oedema secondary to branch retinal vein occlusion (BRVO) in a 6‐month, phase IIIb, randomized trial. Methods Patients received either monthly ranibizumab for 3 months followed by Pro re nata (PRN) treatment (n = 126) or a sustained‐release dexamethasone implant followed by PRN sham injections (n = 118). Main outcomes were mean average change in best‐corrected visual acuity (BCVA) from baseline to month 1 through month 6, mean changes in BCVA and foveal centre point thickness (FCPT), and adverse events (AEs). Results There was no difference in BCVA gains between the treatments prior to month 3. Best‐corrected visual acuity (BCVA) gain with dexamethasone declined thereafter. From month 3 to month 6, mean BCVA change from baseline was significantly higher with ranibizumab than with dexamethasone raw means (standard deviation):+16.2 (±11) letters versus +9.3 (±10.1) letters. At month 6, the difference in BCVA gains from baseline was +17.3 letters in the ranibizumab versus +9.2 letters in the dexamethasone group. Patients in the ranibizumab group received a mean of 2.94 loading injections and 1.74 PRN retreatment injections, while those in the dexamethasone group received a single loading injection. Elevated intraocular pressure (IOP) and AEs were more frequent with dexamethasone than ranibizumab treatment. Conclusion Ranibizumab PRN resulted in greater visual acuity (VA) gains in macular oedema following BRVO compared with single‐dose dexamethasone over a 6‐month study period, observed from month 3, when administered according to their European label. In clinical practice, retreatment with dexamethasone may be required prior to this point.
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