Black patients may experience less vision improvement after
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This retrospective cohort analysis examined the impact of race and ethnicity on the efficacy of intravitreal bevacizumab for diabetic macular edema (DME).

Researchers included anti-VEGF-naïve patients seen between 2010 and 2019 at an urban-based academic institution with affiliated private offices. They assessed 314 medical charts for single injection analysis and 151 for the 3-injection analysis. The main outcome was the percentage of patients with visual acuity improvement and mean percentage reduction in central macular thickness (CMT). In addition to race and ethnicity, the analysis considered variables such as age, sex, baseline glycated hemoglobin, baseline central macular thickness, baseline visual acuity, laser history, injection time course, and delay to follow-up.

Visual acuity improvements were 27%, 39%, and 50% after 1 injection and 34%, 55%, and 59% after 3 injections for Black, Hispanic, and White cohorts, respectively. After adjusting for covariables, Black patients were less likely to have visual acuity improvements than White and Hispanic patients after 1 and 3 injections.

This study revealed that Black patients experience worse anatomic and visual responses to bevacizumab for diabetic macular edema compared with White and Hispanic patients and highlights the need for further study. These findings emphasize the importance of ensuring the inclusion of minority patients—especially Black patients—in clinical trials.

Source: https://www.aao.org/editors-choice/black-patients-may-experience-less-vision-improvem
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