Melanoma and other skin cancers:
Indications for: SYLATRON
Adjuvant treatment of melanoma with microscopic or gross nodal involvement within 84 days of definitive surgical resection including complete lymphadenectomy.
Give by SC inj. Rotate inj sites. Premedicate with acetaminophen. ≥18yrs: 6mcg/kg/week for 8 doses, followed by 3mcg/kg/week for up to 5yrs. Renal impairment (moderate): initially 4.5mcg/kg/week for 8 doses, followed by 2.25mcg/kg/week for up to 5yrs; (severe or ESRD on dialysis): initially 3mcg/kg/week for 8 doses, followed by 1.5mcg/kg/week for up to 5yrs. Withhold dose if ANC <0.5x109/L, platelets <50x109/L, ECOG PS ≥2, or for non-hematologic toxicity ≥Grade 3. Resume at reduced dose (see full labeling) when: ANC ≥0.5x109/L, platelets ≥50x109/L, ECOG PS 0–1, and non-hematologic toxicity has completely resolved or improved to Grade 1.
<18yrs: not established.
Anaphylaxis to peginterferon alfa-2b or interferon alfa-2b. Autoimmune hepatitis. Hepatic decompensation (Child-Pugh score >6 [Class B and C]).
Depression and other neuropsychiatric disorders.
Increased risk of serious depression, suicidal ideation, and other neuropsychiatric disorders. Permanently discontinue for: persistent severe or worsening neuropsychiatric disorders (eg, depression, psychosis, encephalopathy); new onset ventricular arrhythmia or cardiovascular decompensation; new or worsening retinopathy; Grade 4 non-hematologic toxicity; severe (Grade 3) hepatic injury or hepatic decompensation; hypothyroidism, hyperthyroidism, or diabetes mellitus that cannot be effectively managed; or if unable to tolerate a dose of 1mcg/kg/week. Monitor for signs/symptoms of depression/psychosis every 3 weeks during first 8 weeks, then every 6 months, continue for at least 6 months after last dose. Perform eye exam in patients with retinopathy and those with vision changes during therapy. Monitor hepatic function with serum bilirubin, ALT/AST, alkaline phosphate, and LDH at 2 and 8 weeks, and 2 and 3 months following initiation, then every 6 months. Obtain TSH levels within 4 weeks prior to initiation, at 3 and 6 months following initiation, then every 6 months. Moderate-to-severe renal impairment: monitor. Pregnancy: exclude status prior to initiation. Advise females of reproductive potential to use effective contraception during and for ≥10days after the last dose. Nursing mothers.
Potentiates CYP1A2 (eg, caffeine) or CYP2D6 (eg, desipramine) substrates. Concomitant drugs with narrow therapeutic range metabolized by CYP1A2 or CYP2D6; monitor for increased toxicities.
Fatigue, increased ALT/AST, pyrexia, headache, anorexia, myalgia, nausea, chills, inj site reaction; neuropsychiatric disorders.
Generic Drug Availability:
Single-use vial—1 (w. diluent)