Cemiplimab

Products

Cemiplimab was approved in the United States in 2018, in the EU in 2019, and in many countries in 2020 as a concentrate for the preparation of an infusion solution (Libtayo).

Structure and properties

Cemiplimab is a human IgG4 monoclonal antibody with a molecular mass of 146 kDa produced by biotechnological methods.

Effects

Cemiplimab has immunostimulatory and antitumor properties. It binds to the programmed cell death 1 receptor (PD-1) on T cells and inhibits interaction with the ligands PD-L1 and PD-L2, which are found on tumor cells and elsewhere. This enhances T cell function (proliferation, cytokine release, cytotoxic activity). The half-life is 19.2 days.

Indications

Metastatic or locally advanced cutaneous squamous cell carcinoma.

Dosage

According to the SmPC. The drug is administered as an intravenous infusion.

Contraindications

  • Hypersensitivity

For complete precautions, see the drug label.

Interactions

Drug-drug interactions have been described with glucocorticoids and immunosuppressants.

Adverse effects

The most common possible adverse effects include diarrhea, rash, pruritus, and fatigue.