Siliq (brodalumab)

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Last reviewed · Source: First Databank (FDB) drug data

Overview

Brodalumab is a recombinant human immunoglobulin G2 kappa (IgG2 kappa) monoclonal antibody that binds specifically to interleukin-17 receptor A (IL-17RA).

Brodalumab is a recombinant human immunoglobulin G2 kappa (IgG2 kappa) monoclonal antibody that is specific for interleukin-17 receptor A (IL-17RA); it is produced in a recombinant Chinese hamster ovary cell line. IL-17RA is a common subunit of receptor complexes for multiple IL-17 family cytokines. Elevated levels of IL-17A, IL-17C, and IL-17F have been found in psoriatic lesions.

Brodalumab binds to IL-17RA and inhibits its interaction with the proinflammatory cytokines IL-17A, IL-17C, IL-17F, IL-17A/F heterodimer, and IL-25 (also known as IL-17E), thus blocking IL-17 cytokine-induced responses, including release of proinflammatory cytokines and chemokines.

The metabolic pathway of brodalumab has not been characterized. As a human IgG2 kappa monoclonal antibody, the drug is expected to be degraded into small peptides and amino acids via catabolic pathways in a similar manner as endogenous IgG. Brodalumab exhibits nonlinear pharmacokinetics; systemic exposure increased in a more than dose-proportional manner over a subcutaneous dose range of 140-350 mg in patients with plaque psoriasis.

Brodalumab bioavailability is approximately 55% following subcutaneous administration. In patients with plaque psoriasis, peak serum concentrations of the drug were achieved by approximately 3 days after a single 210-mg subcutaneous dose, and steady-state concentrations were achieved by week 4 when the drug was administered at a dosage of 210 mg every 2 weeks. Clearance of brodalumab increased with decreasing doses because of nonlinear elimination.

Trough concentrations were lower in patients with higher body weight.

USES: This medication is used to treat plaque psoriasis. Brodalumab belongs to a class of drugs known as monoclonal antibodies. It works by blocking a certain natural protein in your body (interleukin-17A) that may cause inflammation and swelling.

Brodalumab treatment may lead to reduced plaque thickness, redness, and scaling.

Generic name: brodalumab
Pronunciation: (broe-DAL-ue-mab)

Reference product & biosimilars

No reference, biosimilar or interchangeable associated with this drug.

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Indications

The following indications are listed for Siliq:

  • Moderate To Severe Plaque Psoriasis

Dosing

No dosing information is available for this tab.

Drug interactions

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Contraindications

*Patients with Crohn disease since the drug may exacerbate the disease.

*Clinically significant hypersensitivity to brodalumab, any of its excipients, or components of the container.

Adverse reactions

Adverse effects reported in >=1% of patients receiving brodalumab include arthralgia, headache, fatigue, diarrhea, oropharyngeal pain, nausea, myalgia, injection site reactions, influenza, neutropenia, and tinea infections.

Precautions

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ICD codes

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Formulary status

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Last reviewed · Source: First Databank (FDB) drug data