Abstract：
:Non-response to intravitreal ranibizumab represents a frequent problem in pachychoroid neovasculopathy (PNV). To investigate the effectivity of switching to aflibercept, the database of the Ludwig Maximilians University, Munich, was screened for patients fulfilling the following inclusion criteria: (i) diagnosis of PNV; (ii) inadequate response to ≥ 3 ranibizumab injections, in spite of monthly dosing, defined as persistence of subretinal-fluid four weeks after the last ranibizumab injection; (iii) resulting switch to aflibercept administered as three monthly injections. Primary outcome measure was percentage of eyes with a dry macula four weeks after the third aflibercept injection. Secondary outcome measures included changes in maximum subretinal fluid (SRF), central subfield thickness (CST) and subfoveal choroidal thickness (SFCT). In total, 14 eyes of 14 patients were included. Mean age was 64.1 ± 7.5 (range: 51-78) years. Switching to aflibercept was performed after mean 8.4 ± 4.1 (3-15) ranibizumab injections. While no eye (0%) achieved a dry macula status during ranibizumab treatment, switching to aflibercept achieved a dry macula status in eight eyes (57.1%) after three injections. While both ranibizumab and aflibercept showed an effect on CST (p = 0.027, p = 0.003), only aflibercept showed a significant effect on SRF (p = 0.0009) and SFCT (p = 0.044). In cases of PNV not responding to intravitreal ranibizumab, switching treatment to aflibercept induces a favorable short-term response resolving persistent fluid and achieving a dry macula. Further studies with longer follow-up are warranted.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Schworm B,Luft N,Keidel LF,Herold TR,Wolf A,Priglinger SG,Siedlecki Jdoi
10.1038/s41598-020-65370-wsubject
Has Abstractpub_date
2020-05-21 00:00:00pages
8439issue
1issn
2045-2322pii
10.1038/s41598-020-65370-wjournal_volume
10pub_type
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