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Purpose: To determine the correlation between therapeutic effects of IVA treatment on typical AMD (tAMD), and polypoidal choroidal vasculopathy (PCV) and the history of hypertension, diabetes mellitus, smoking history and single nucleotide polymorphisms (SNPs). Methods: Prospective, interventional study. Subjects were assigned to 125 untreated patients with exudative AMD (tAMD: 58 patients, PCV: 67 patients, male: 91:34, mean age 73.4 years). Among the tAMD patients, there were 28 bimonthly injections 30 who received pro re nata (PRN) injections after three monthly injections. Among the PCV patients, 33 were treated with bimonthly injections and 34 received PRN injections after three monthly injections. Therapeutic effects were evaluated by best-corrected visual acuity (BCVA), central retinal thickness (CRT), subfoveal choroidal thickness (CCT), and exudative change after 3 months and 1 year from initial treatment, and also the history of hypertension, diabetes mellitus, smoking and five SNPs (rs10490924, rs800292, rs699947, rs1061170, rs13278062). Results: Improvements of BCVA, CRT were observed in all groups at 1 year after initial treatment. The one-year change in CRT showed significant improvement in nonsmokers than smokers in tAMD. The one-year change in CRT indicated a significant improvement in non-diabetic patients in PCV. There was more exudation at both 3 months and 1 year who had smoking history in tAMD. With respect to the rs1061170 mutation of tAMD, in the case with TT type, significant residual exudation was noted at both 3 and 12 months. Conclusions: The history of smoking and diabetes could be influence to IVA treatment for AMD.

Associations of hypertension Diabetes Smoking History and SNPs with Responses to Aflibercept Treatment for tAMD and PCV