Rate of serious adverse effects in a series of bevacizumab and ranibizumab injections |
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Authors: | Sharma Sanjay Johnson Davin Abouammoh Marwan Hollands Simon Brissette Ashley |
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Institution: | Department of Ophthalmology, Queen's University, Kingston, Ont. sanjay_sharma60@hotmail.com |
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Abstract: | ObjectiveTo compare the rate of serious ocular and systemic adverse effects of intravitreal bevacizumab and ranibizumab in the treatment of a variety of eye diseases.DesignRetrospective chart review.ParticipantsConsecutive series of intravitreal injections of bevacizumab (n = 693) and ranibizumab (n = 891).MethodsMedical records of all patients receiving injections in the series were retrieved. We considered the rate of both serious ocular adverse effects (e.g., acute intraocular inflammation, infectious endophthalmitis, retinal detachment, vitreous hemorrhage) and of arterial thromboembolic events that occurred within 1 month of injection.ResultsSubjects who received bevacizumab were 12 times more likely to develop severe intraocular inflammation following each injection than were those who received ranibizumab (OR = 11.71; 95% CI 1.5–93). The 1 case of acute intraocular inflammation following ranibizumab injection was mild and not associated with vision loss. No other serious ocular complications were noted. A trend was also noted toward an increased risk for arterial thromboembolic events in patients receiving bevacizumab, although the confidence interval was wide (OR = 4.26; 95% CI 0.44–41).ConclusionsSignificant concern still exists regarding the safety of off-label use of intravitreal bevacizumab. Patients receiving bevacizumab should be counselled regarding a possible increased risk for serious adverse events. |
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