Ophthalmology · Vitreoretinal Surgery and Diabetic Retinopathy Management — Advanced

What is the standard licensed intravitreal dose of aflibercept used for diabetic macular edema?

  • A 0.05 mg in 0.05 mL
  • B 0.5 mg in 0.05 mL
  • C 1.25 mg in 0.05 mL
  • D 2 mg in 0.05 mL
Correct answer: D. 2 mg in 0.05 mL

Explanation

Aflibercept is dosed at 2 mg in 0.05 mL for diabetic macular edema, wet age-related macular degeneration and retinal vein occlusion. Ranibizumab is 0.5 mg in 0.05 mL and off-label bevacizumab is typically 1.25 mg in 0.05 mL, which are the classic distractor pair here. Aflibercept is a soluble VEGF trap fusion protein binding VEGF-A, VEGF-B and placental growth factor, giving it a longer intravitreal half-life than the antibodies.

Reference: Kanski's Clinical Ophthalmology, 9th ed.

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