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Name /bks_53161_deglins_md_disk/rilonacept 03/17/2014 10:21AM pg 1 # 1 Interactions Drug-Drug: May decrease the antibody response to andqadverse reactions from 1 rilonacept (ri-lon-a-sept) live vaccines; vaccination should take place prior to initiation of treatment. Concurrrent use with TNF inhibitorsqrisk of serious infections and is not recommended. Medications that are substrates of the CYP450 enzyme system, especially those with narrow therapeutic indices such as warfarin should be monitored carefully as enzyme activity may increase (normalize) as a result of treatment. Arcalyst Classification Therapeutic: orphan drugs Pharmacologic: fusion proteins, interleukin antagonists Pregnancy Category C Route/Dosage Indications Treatment of Cryopyrin-Associated Periodic Syndromes (CAPS), including Familial Cold Autoinflammatory Syndrome (FCAS) and Muckle-Wells Syndrome (MWS). Action Modulates cryopyrin by blocking interleukin-1 beta (IL-1) preventing its interaction with surface receptors. Therapeutic Effects: Decreased inflammatory manifestations of CAPS including fever, rash, arthralgia, myalgia, fatigue and conjunctivitis. Pharmacokinetics Absorption: Absorbed following subcutaneous administration. Distribution: Unknown. Metabolism and Excretion: Unknown. Half-life: Unknown. ● Assess for signs of infections. Discontinue therapy if serious infection occurs. Do not administer to patients with active or chronic infections. ● Assess for signs of hypersensitivity reactions; institute symptomatic therapy. ● Lab Test Considerations: Monitor lipid profiles every 2– 3 mo during therapy. Risk for infection (Adverse Reactions) ONSET PEAK DURATION Subcut within several days unknown unknown Contraindications/Precautions Contraindicated in: Active or chronic infections; OB: May cause fetal harm. Use Cautiously in: Patients at risk of infections; Lactation: Use cautiously; Pedi: Safety and effectiveness have not been established in children ⬍12 yr. Adverse Reactions/Side Effects Resp: upper respiratory tract infections, cough. Local: injection site reactions. Metab: changes in lipid profile. Neuro: hypoesthesia. Misc: SERIOUS LIFE-THREAT⫽ Genetic Implication. NURSING IMPLICATIONS Assessment Potential Nursing Diagnoses ROUTE ENING INFECTIONS, hypersensitivity reactions. Subcut (Adults ⱖ18 yr): 320 mginitially, followed by 160 mg weekly. Subcut (Children and adolescents 12– 17 yr): 4.4 mg/kg (not to exceed 320 mg) initially, followed by 2.2 mg/kg (not to exceed 160 mg) weekly. May causeqtotal cholesterol, HDL, LDL, and triglycerides. Consider lipid lowering therapies as needed. TIME/ACTION PROFILE (improvement in symptoms) ⫽ Canadian drug name. Plate # 0-Composite Implementation ● Administer all recommended adult and pediatric vaccinations, including pneumo- coccal vaccine and inactivated influenza vaccine, prior to starting rilonacept therapy. ● Administer first dose under supervision of health care professional. ● Loading dose in adults is given as two 2 mL injections on the same day in 2 different injection sites. In pediatric patients 1 or 2 injections may be used. Do not administer more than once weekly or more then 2 mL/injection site. ● Reconstitute with 2.3 mL of Sterile water for injection using a 27-gauge 1/2 inch needle for a concentration of 80 mg/mL. Discard needle and syringe after reconstitution. Shake vial for 1 min and allow to sit for 1 min. Solution is viscous, clear, colorless to pale yellow. Do not administer solutions that are discolored, contain CAPITALS indicate life-threatening, underlines indicate most frequent. Strikethrough ⫽ Discontinued. PDF Page #1 Name /bks_53161_deglins_md_disk/rilonacept 03/17/2014 10:22AM Plate # 0-Composite pg 2 # 2 2 PDF Page #2 particulate matter, or are passed the expiration date. Withdraw recommended dose up to 2 mL with new 27-gauge 1/2 inch needle. Vials are single use; discard unused solution. Rilonacept must be refrigerated and protected from light. Reconstituted solution is stable for 3 hrs at room temperature. ● Subcut: Inject subcut into abdomen (avoid area within 2 inches of navel), thigh or upper arm by pinching skin and injecting at a 90⬚ (45⬚ angle for small children or persons with little fat). May require 30 seconds to inject entire dose. Pull needle out of skin and hold gauze over site for several seconds. Rotate sites and avoid sites that are bruised, red, tender or hard. Patient/Family Teaching ● Instruct patient or family on correct technique for preparing and administering in- ● ● ● ● ● jection, and disposing of equipment. If a dose is missed, administer up to the day before next scheduled dose. Take next dose at regularly scheduled time. Advise patient to read Patient Information prior to starting therapy and with each Rx refill in case of new information. Advise patient to notify health care professional immediately if signs of infection (fever, cough, flu-like symptoms, open sores) occur during therapy. Instruct patient to notify health care professional or seek emergency care if signs of allergic reaction (rash, swollen face, difficulty breathing) occur. Advise patient that injection site reactions (erythema, swelling pruritus, bruising, inflammation, pain, edema, dermatitis, urticaria, vesicles, warmth, and hemorrhage) may occur; usually resolve in 1– 2 days. Notify health care professional if reaction is persistent. Instruct patient to consult health care professional prior to taking other Rx, OTC, or herbal products. Advise female patients to notify health care professional if pregnancy is planned or suspected or if breast feeding. Evaluation/Desired Outcomes ● Decrease in symptoms (rash, joint pain, fever, tiredness), decrease in and nor- malization of serum Amyloid A (SAA) and C-Reactive Protein (CRP) levels. Why was this drug prescribed for your patient? 䉷 2015 F.A. Davis Company