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Three versus five intravitreal aflibercept injections as the initial loading phase in the treatment of diabetic macular edema: one-year results / Três versus cinco injeções intravítreas de aflibercept como carga inicial do tratamento de edema macular diabético: resultados de um ano
Cakir, Akin; Erden, Burak; Bolukbasi, Selim; Sever, Ozkan; Erkul, Sezin Ozdogan; Osmanbasoglu, Ozen Ayranci; Karaca, Gulderen; Elcioglu, Mustafa Nuri.
  • Cakir, Akin; Okmeydani Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
  • Erden, Burak; Okmeydani Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
  • Bolukbasi, Selim; Okmeydani Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
  • Sever, Ozkan; Namik Kemal University. Department of Ophthalmology. Tekirdağ. TR
  • Erkul, Sezin Ozdogan; Istanbul Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
  • Osmanbasoglu, Ozen Ayranci; Istanbul Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
  • Karaca, Gulderen; Okmeydani Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
  • Elcioglu, Mustafa Nuri; Okmeydani Training and Research Hospital. University of Health Sciences. Department of Ophthalmology. Istanbul. TR
Arq. bras. oftalmol ; 83(5): 396-401, Sept.-Oct. 2020. tab, graf
Article in English | LILACS | ID: biblio-1131628
ABSTRACT
ABSTRACT

Purpose:

To compare the efficacy of three initial monthly intravitreal aflibercept injections followed by pro re nata (3+PRN) dosing versus five initial monthly intravitreal aflibercept injections followed by pro re nata (5+PRN) dosing in patients with diabetic macular edema.

Methods:

A total of 60 treatment-naïve patients with macular edema who underwent intravitreal aflibercept injections (2 mg/0.05 mL) with at least one year of follow-up were analyzed in this retrospective and comparative study. The patients were divided into two groups according to the number of intravitreal aflibercept injections administered in the loading phase. The 3+PRN group comprised 27 patients, whereas the 5+PRN group comprised 33 patients. The visual and anatomical outcomes were compared between the two groups at baseline and at 3, 6, 9, and 12 months.

Results:

Both 3+PRN and 5+PRN, showed statistically significant improvements in the best-corrected visual acuity and central macular thicknesse throughout the study period (p<0.001 and, p<0.001, respectively). There were no significant differences between the two groups in terms of changes in the best-corrected visual acuity and central macular thickness (p=0.453 and, p=0.784, respectively). The mean number of intravitreal aflibercept injections was significantly greater in the 5+PRN group (6.1 ± 0.8) than in the 3+PRN group (3.9 ± 0.8) (p<0.001).

Conclusion:

The 3+PRN and 5+PRN regimens showed similar 12-month visual and anatomical outcomes following treatment with intravitreal aflibercept injections in patients with macular edema.
RESUMO
RESUMO

Objetivo:

Comparar a eficácia de três injeções intravítreas mensais iniciais de aflibercept, seguidas de dosagem de pro re nata (3+PRN) versus cinco injeções mensais iniciais intravítreas de aflibercept, seguidas de doses de pro re nata (5 + PRN) em pacientes com edema macular diabético.

Métodos:

Foram analisados neste estudo retrospectivo e comparativo 60 pacientes que não receberam tratamento prévio com edema macular e foram submetidos a injeções intravítreas de aflibercept (2 mg/0,05 mL) com pelo menos um ano de acompanhamento. Os pacientes foram divididos em dois grupos de acordo com o número de injeções intravítreas de aflibercept administradas na fase inicial. O grupo 3+PRN compreendeu 27 pacientes, enquanto o grupo 5+PRN compreendeu 33 pacientes. Os resultados visuais e anatômicos foram comparados entre os dois grupos no período inicial e aos 3, 6, 9 e 12 meses.

Resultados:

Tanto os grupos 3+PRN quanto 5+PRN mostraram melhoras estatisticamente significativas na acuidade visual melhor corrigida e na espessura macular central ao longo do período de estudo (p<0,001 e p <0,001, respectivamente). Não houve diferenças significativas entre os dois grupos em termos de alterações na acuidade visual melhor corrigida e na espessura macular central (p=0,453 e p=0,784, respectivamente). O número médio de injeções intravítreas de aflibercept foi significativamente maior no grupo 5+PRN (6,1 ± 0,8) do que no grupo 3+PRN (3,9 ± 0,8) (p <0,001).

Conclusão:

Os regimes 3+PRN e 5+PRN mostraram resultados visuais e anatômicos semelhantes em 12 meses após o tratamento com injeções intravítreas de aflibercept em pacientes com edema macular.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Recombinant Fusion Proteins / Macular Edema / Angiogenesis Inhibitors / Receptors, Vascular Endothelial Growth Factor / Diabetes Mellitus / Diabetic Retinopathy Type of study: Observational study / Risk factors Limits: Humans Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2020 Type: Article Affiliation country: Turkey Institution/Affiliation country: Istanbul Training and Research Hospital/TR / Namik Kemal University/TR / Okmeydani Training and Research Hospital/TR

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Full text: Available Index: LILACS (Americas) Main subject: Recombinant Fusion Proteins / Macular Edema / Angiogenesis Inhibitors / Receptors, Vascular Endothelial Growth Factor / Diabetes Mellitus / Diabetic Retinopathy Type of study: Observational study / Risk factors Limits: Humans Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2020 Type: Article Affiliation country: Turkey Institution/Affiliation country: Istanbul Training and Research Hospital/TR / Namik Kemal University/TR / Okmeydani Training and Research Hospital/TR