Ophthalmology

Swedish biotechnology company Xbrane Biopharma today announced that its ranibizumab biosimilar, referencing Lucentis, demonstrated an equivalent pharmacokinetic (PK) profile and equivalent tolerability to its reference in an in vivo study. 
 
A United Kingdom court has ruled in favor of the National Health Service, allowing the health system to provide intravitreal injections of the anti–vascular endothelial growth factor agent bevacizumab to patients with age-related macular degeneration (AMD). 
 
The updated treatment approach will allow clinicians, based on individual patients’ outcomes, to lengthen the intervals between injections for patients with neovascular age-related macular degeneration (AMD) who are already in the first year of treatment. That could mean fewer injections and fewer trips to the clinic for patients with AMD.
Because tumor necrosis factor plays a role in most neurodegenerative diseases of the eye, and because etanercept has shown promise in improving recovery of injured facial nerves, authors of a recent study sought to determine whether etanercept can be used to protect retinal ganglion cells and improve visual outcomes after injury.
 
In India, Razumab, manufactured by Intas Pharmaceuticals, was approved as a similar biologic to ranibizumab in 2015; the retrospective study RE-ENACT collected data and analyzed the effectiveness of this biosimilar product in the real-world setting in patients with age-related macular degeneration, diabetic macular edema, and retinal vein occlusion (RVO).
Eales disease (ED) is a common, idiopathic, inflammatory retinal vasculitis that particularly affects young adults. Current treatments available for ED include corticosteroids, laser photocoagulation, retinal cryotherapy, and surgery, but a recent study found that using intravitreal bevacizumab injections may produce better outcomes and reduce the need for surgery.

 
In a new paper, researchers sought to describe how much the European Union is overspending on neovascular age-related macular degeneration treatment by relying on ranibizumab and aflibercept rather than bevacizumab in ophthalmology.
 
Data suggest that intravitreal bevacizumab increases the risk of thromboembolism, and some studies have raised the possibility of a link between bevacizumab and myocardial infarction (MI), while other studies did not find such a relationship.
Last week, an overview of systematic reviews and meta-analyses investigating systemic adverse events associated with intravitreal anti-vascular endothelial growth factor (anti-VEGF) treatments was published in JAMA Ophthalmology.
One week after intravitreal bevacizumab injection, corneal endothelial cells showed no sign of inflammation or any other complications, according to a study published in BMC Ophthalmology.

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