Duration of use, cumulative dose tied to HCQ-induced retinopathy in SLE
In systemic lupus erythematosus (SLE) patients treated with hydroxychloroquine (HCQ), longer duration of use and higher cumulative dose, as well as lower creatinine clearance and geographical origin from sub-Saharan Africa and West Indies, appear to be associated with an increased risk of treatment-related retinopathy, as reported in a study.