Bimekizumab

Bimekizumab
Monoclonal antibody
TypeWhole antibody
SourceHumanized
TargetIL17A, IL17F, IL17AF
Clinical data
Trade namesBimzelx
Other namesUCB4940, bimekizumab-bkzx
License data
Pregnancy
category
  • AU: C
Routes of
administration
Subcutaneous
ATC code
Legal status
Legal status
Identifiers
CAS Number
DrugBank
UNII
KEGG
Chemical and physical data
FormulaC6552H10132N1750O2029S42
Molar mass147229.87 g·mol−1

Bimekizumab, sold under the brand name Bimzelx (/bɪmˈzɛlɪks/ bim-ZEL-iks), is a humanized anti-IL17A, anti-IL-17F, and anti-IL17AF monoclonal antibody that is used to treat plaque psoriasis, psoriatic arthritis, axial spondyloarthritis, ankylosing spondylitis, and hidradenitis suppurativa.

The most common side effects include upper respiratory tract infections (nose and throat infection) and oral candidiasis (thrush, a fungal infection in the mouth or throat). Injection site reactions were also common, reported in 3% of subjects.

Bimekizumab was approved for medical use in the European Union in August 2021, and in the United States in October 2023.

In November 2024, bimekizumab was approved by the US Food and Drug Administration for the treatment of active moderate-to-severe hidradenitis suppurativa in adults.