Erenumab

Erenumab, sold under the brand name Aimovig, is a medication which blocks the calcitonin gene-related peptide receptor (CGRPR) for the prevention of migraine. It is administered by subcutaneous injection.

Erenumab
A standard 70mg/mL Aimovig autoinjector
Monoclonal antibody
TypeWhole antibody
SourceHuman
TargetCGRPR
Clinical data
Trade namesAimovig
Other namesAMG-334, erenumab-aooe
AHFS/Drugs.comMonograph
MedlinePlusa618029
License data
Pregnancy
category
  • AU: B1
Routes of
administration
Subcutaneous injection
ATC code
Legal status
Legal status
  • CA: ℞-only / Schedule D
  • US: ℞-only
  • EU: Rx-only
  • In general: ℞ (Prescription only)
Pharmacokinetic data
Bioavailability82% (estimated)
MetabolismProteolysis
Elimination half-life28 days
Identifiers
CAS Number
DrugBank
ChemSpider
  • none
UNII
KEGG
ChEMBL
Chemical and physical data
FormulaC6472H9964N1728O2018S50
Molar mass145871.98 g·mol−1

Erenumab, which was developed by Amgen and Novartis, was approved in May 2018, and was the first CGRPR antagonist to be approved by the U.S. Food and Drug Administration. In 2020, it was the 234th most commonly prescribed medication in the United States, with more than 1 million prescriptions.

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