Overview
11 DESCRIPTION Risankizumab-rzaa, an interleukin-23 (IL-23) antagonist, is a humanized immunoglobulin G1 (IgG1) monoclonal antibody. Risankizumab-rzaa is produced by recombinant DNA technology in Chinese hamster ovary cells and has an approximate molecular weight of 149 kDa. SKYRIZI (risankizumab-rzaa) injection 90 mg/mL prefilled syringe for subcutaneous use Each SKYRIZI prefilled syringe...
Mechanism of Action
12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Risankizumab-rzaa is a humanized IgG1 monoclonal antibody that selectively binds to the p19 subunit of human IL-23 cytokine and inhibits its interaction with the IL-23 receptor. IL-23 is a naturally occurring cytokine that is involved in inflammatory and immune responses. Risankizumab-rzaa inhibits the release of pro-inflammatory cytokines and chemokines. 12.2 Pharmacodynamics No formal pharmacodynamics studies have been conducted with risankizumab-rzaa. 12.3 Pharmacokinetics Risankizumab-rzaa plasma concentrations, after single dose administration increased dose proportionally from 18 mg to 360 mg when administered subcutaneously (0.12 to 2.4 times the lowest recommended dose and 0.
Indications
- 1 INDICATIONS AND USAGE SKYRIZI is an interleukin-23 antagonist indicated for the treatment of: moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy. ( 1.1 ) active psoriatic arthritis in adults. ( 1.2 ) moderately to severely active Crohn's disease in adults. ( 1.3 ) moderately to severely active ulcerative colitis in adults. ( 1.4 ) 1.1 Plaque Psoriasis SKYRIZI ® is indicated for the treatment of moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy. 1.
Common Doses
- 150 mg
- 600 mg
- 180 mg
- 360 mg
Dosage
2 DOSAGE AND ADMINISTRATION For the treatment of Crohn’s disease and ulcerative colitis: Obtain liver enzymes and bilirubin levels prior to initiating treatment with SKYRIZI. ( 2.1 , 5.4 ) Complete all age-appropriate vaccinations as recommended by current immunization guidelines ( 2.1 , 5.5 ) Recommended Dosage Plaque Psoriasis and Psoriatic Arthritis: 150 mg administered by subcutaneous injection at Week 0, Week 4, and every 12 weeks thereafter. ( 2.3 , 2.
Contraindications
- 4 CONTRAINDICATIONS SKYRIZI is contraindicated in patients with a history of serious hypersensitivity reaction to risankizumab-rzaa or any of the excipients [see Warnings and Precautions ( 5.1 )] . SKYRIZI is contraindicated in patients with a history of serious hypersensitivity reaction to risankizumab-rzaa or any of the excipients ( 4 )
Side Effects
- 6 ADVERSE REACTIONS The following adverse reactions are discussed in other sections of labeling: Hypersensitivity Reactions [see Warnings and Precautions ( 5.1 )] Infections [see Warnings and Precautions ( 5.2 )] Tuberculosis [see Warnings and Precautions ( 5.3 )] Hepatotoxicity in Treatment of Inflammatory Bowel Disease [see Warnings and Precautions ( 5.4 )] Most common adverse reactions are: Plaque Psoriasis and Psoriatic Arthritis (≥ 1%): upper respiratory infections, headache, fatigue, injection site reactions, and tinea infections. ( 6.
Interactions
- No major interactions listed on the FDA label. Always consult a healthcare professional.