{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T23:09:43Z","timestamp":1784675383589,"version":"3.55.0"},"reference-count":27,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2013,2,7]],"date-time":"2013-02-07T00:00:00Z","timestamp":1360195200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Ocular Pharmacology and Therapeutics"],"published-print":{"date-parts":[[2013,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>Vascular endothelial growth factor (VEGF) may contribute to the scarring process resulting from glaucoma filtration surgery, since this cytokine may stimulate fibroblast proliferation. The aim of this study was to describe a new bevacizumab-loaded polyurethane implant (BPUI) and to evaluate its effectiveness as a new drug delivery system of anti-VEGF antibody in a rabbit model of glaucoma filtration surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      An aqueous dispersion of polyurethane was obtained via the conventional process. Bevacizumab (1.5\u2009mg) was then incorporated into the dispersion and was subsequently dried to form the polymeric films. Films with dimensions of 3\u00d73\u00d71\u2009mm that either did (group BPUI,\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      =10) or did not contain bevacizumab (group PUI,\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      =10) were implanted in the subconjunctival space, at the surgical site in 1 eye of each rabbit. The\n                      <jats:italic toggle=\"yes\">in vitro<\/jats:italic>\n                      bevacizumab release was evaluated using size-exclusion high-performance liquid chromatography (HPLC), and the\n                      <jats:italic toggle=\"yes\">in vivo<\/jats:italic>\n                      effects of the drug were investigated in a rabbit experimental trabeculectomy model by examining the bleb characteristics and collagen accumulation, and by performing immunohistological analyses of VEGF expression.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      HPLC showed that only 10% of the bevacizumab in the implants had been released by postoperative day 5.\n                      <jats:italic toggle=\"yes\">In vivo<\/jats:italic>\n                      studies demonstrated that the drug had no adverse effects; however, no significant differences in either the bleb area score or the collagen deposit intensity between the group PUI and the group that BPUI were observed. Moreover, the group BPUI presented a significantly lower proportion of VEGF-expressing fibroblasts than group PUI (0.17\u00b10.03 vs. 0.35\u00b10.05 cells\/field,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      =0.005).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>This study demonstrated that bevacizumab release from the BPUIs only occurred for a short time probably from the surface of the films. Nevertheless, they were well tolerated in rabbit eyes and reduced the number of VEGF-expressing fibroblasts.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/jop.2012.0136","type":"journal-article","created":{"date-parts":[[2013,2,7]],"date-time":"2013-02-07T09:59:06Z","timestamp":1360231146000},"page":"566-573","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":22,"title":["Bevacizumab-Loaded Polyurethane Subconjunctival Implants: Effects on Experimental Glaucoma Filtration Surgery"],"prefix":"10.1177","volume":"29","author":[{"given":"Jayter Silva","family":"Paula","sequence":"first","affiliation":[{"name":"School of Medicine of Ribeir\u00e3o Preto\u2013University of S\u00e3o Paulo","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vanessa Raquel Coimbra","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"School of Medicine of Ribeir\u00e3o Preto\u2013University of S\u00e3o Paulo","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando","family":"Chahud","sequence":"additional","affiliation":[{"name":"School of Medicine of Ribeir\u00e3o Preto\u2013University of S\u00e3o Paulo","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberta","family":"Cannellini","sequence":"additional","affiliation":[{"name":"School of Medicine of Ribeir\u00e3o Preto\u2013University of S\u00e3o Paulo","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tassia Cristina","family":"Monteiro","sequence":"additional","affiliation":[{"name":"School of Medicine of Ribeir\u00e3o Preto\u2013University of S\u00e3o Paulo","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elionai Cassiana","family":"de Lima Gomes","sequence":"additional","affiliation":[{"name":"Federal University of Minas Gerais","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter Sol","family":"Reinach","sequence":"additional","affiliation":[{"name":"State University of New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria de Lourdes","family":"Veronese Rodrigues","sequence":"additional","affiliation":[{"name":"School of Medicine of Ribeir\u00e3o Preto\u2013University of S\u00e3o Paulo","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Armando","family":"Silva-Cunha","sequence":"additional","affiliation":[{"name":"Federal University of Minas Gerais","place":["Brazil"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2013,2,7]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.120.10.1268"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.38506.594977.E0"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajo.2009.09.010"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/0039-6257(87)90091-9"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1006\/exer.1994.1037"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1089\/jop.1990.6.175"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.116.4.443"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF02334165"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ophtha.2008.06.009"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.3928\/1542-8877-20060301-12"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.08-2662"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.08-3148"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.polymdegradstab.2010.01.001"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.5301\/IJAO.2011.6398"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1002\/jps.22497"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1590\/S0100-40422012000300029"},{"key":"e_1_3_3_18_2","first-page":"1639","article-title":"Effect of varying the mitomycin-C treatment area in glaucoma filtration surgery in the rabbit","volume":"38","author":"Cordeiro M.F.","year":"1997","unstructured":"Cordeiro M.F., , Constable P.H., , Alexander R.A., , Bhattacharya S.S., , Khaw P.T. 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