August 13, 2007
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Bevacizumab shows similar endophthalmitis rates to other intravitreal drugs

Infectious endophthalmitis occurs after intravitreal injections of bevacizumab at a rate of about one in 1,000, similar to rates seen for other intravitreal drugs, according to a study by researchers in Germany.

Jost B. Jonas, MD, and colleagues at the Ruprecht-Karls-University Heidelberg investigated the incidence of infectious and noninfectious endophthalmitis after 1.5 mg intravitreal injections of Avastin (bevacizumab, Genentech). The study involved 1,218 total injections, including 534 reinjections, performed in 684 eyes with exudative age-related macular degeneration.

Each patient was followed for at least 4 weeks after each injection, the authors noted.

The researchers found that one eye developed infectious endophthalmitis 3 days after a second injection. However, no other patients showed signs of infectious or noninfectious endophthalmitis, the authors reported.

The study is published in the June issue of Journal of Ocular Pharmacology and Therapeutics.