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Pegaptanib

Monoclonal Antibody · Ophthalmic

Also known as MACUGEN

Monoclonal AntibodyOphthalmic
CDSCO approvedSchedule H
EXCRETION
not curated
INTERACTIONS
none in our sources
PREGNANCY
not curated

Mechanism

Pegaptanib is a selective vascular endothelial growth factor (VEGF) antagonist. It is a pegylated anti-VEGF aptamer, a single strand of nucleic acid that binds to the major pathological VEGF isoform, extracellular VEGF165, thereby inhibiting VEGF165 binding to VEGF receptors. VEGF165 induces angiogenesis and increases vascular permeability and inflammation, all of which are thought to contribute to the progression of the neovascular (wet) form of ARMD.

Indications

Neovascular (wet) age-related macular degenerationMacular degeneration

Dosing

Adult
0.3 mg by intravitreal injection. Dose levels higher than 0.3 mg did not demonstrate additional benefit.
Max dose
0.3 mg

Side effects

Serious
  • elevation in IOP
  • endophthalmitis
  • anaphylaxis/anaphylactoid reactions (rare)

Related guidelines

Other Monoclonal Antibody drugs

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Sources: Goodman & Gilman 14e, Katzung, BNF·Verified: 2026-05-10 · House clinical team