Asciminib
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From MedlinePlus, U.S. National Library of Medicine
Specialty pharmacy: therapy management checklist, storage and cold chain, dosing calendar, Medicare Part D coverage.
Dosing in kidney impairment
Renal Impairment No dose adjustment is required for patients with mild to severe renal impairment (estimated glomerular filtration rate [eGFR] 15 to 89 mL/min/1.73 m 2 ) and not requiring dialysis receiving SCEMBLIX [see Clinical Pharmacology] .
Dosing in liver impairment
Hepatic Impairment No dose adjustment is required for patients with mild [total bilirubin ≤ upper limit of normal (ULN) and aspartate aminotransferase (AST) > ULN or total bilirubin > 1 to 1.5 times ULN and any AST] to severe hepatic impairment (total bilirubin > 3 times ULN and any AST) receiving SCEMBLIX [see Clinical Pharmacology] .
Preparation and administration
Administration Advise patients to swallow SCEMBLIX tablets whole. Do not break, crush, or chew the tablets.
Drug interactions
Check interactions
Add the patient's other drugs. Matches come from both FDA labels: by name, drug class, and enzyme or transporter pathway.
- Asciminib
Label text (9 paragraphs)
Strong CYP3A4 Inhibitors: Closely monitor for adverse reactions during concomitant use of SCEMBLIX at 200 mg twice daily. ( 7.1 ) Itraconazole Oral Solution Containing Hydroxypropyl-β-cyclodextrin: Avoid concomitant use of SCEMBLIX at all recommended doses. ( 7.1 ) Certain Substrates of CYP3A4: Closely monitor for adverse reactions during concomitant use of SCEMBLIX at 80 mg total daily dose. Avoid use of SCEMBLIX at 200 mg twice daily. ( 7.2 ) Substrates of CYP2C9: Avoid concomitant use of SCEMBLIX at all recommended doses. 80 mg total daily dose: If unavoidable, reduce the CYP2C9 substrate dosage as necessary.
( 7.2 ) 200 mg twice daily: If unavoidable, consider alternative therapy with non-CYP2C9 substrate. ( 7.2 ) Certain P-gp Substrates: Closely monitor for adverse reactions during concomitant use of SCEMBLIX at all recommended doses. ( 7.2 ) Substrates of BCRP: Avoid concomitant use with rosuvastatin at all recommended doses. Closely monitor for adverse reactions of other BCRP substrates during concomitant use of SCEMBLIX at all recommended doses. ( 7.2 )
7.1 Effect of Other Drugs on SCEMBLIX Strong CYP3A4 Inhibitors Asciminib is a CYP3A4 substrate. Concomitant use of SCEMBLIX with a strong CYP3A4 inhibitor increases both the asciminib C max and AUC, which may increase the risk of adverse reactions [see Clinical Pharmacology (12.3)] . Closely monitor for adverse reactions in patients treated with SCEMBLIX at 200 mg twice daily with concomitant use of strong CYP3A4 inhibitors.
Itraconazole Oral Solution Containing Hydroxypropyl-β-cyclodextrin Concomitant use of SCEMBLIX with itraconazole oral solution containing hydroxypropyl-β-cyclodextrin decreases asciminib C max and AUC, which may reduce SCEMBLIX efficacy [see Clinical Pharmacology (12.3)] . Avoid coadministration of SCEMBLIX at all recommended doses with itraconazole oral solution containing hydroxypropyl-β-cyclodextrin. Strong CYP3A4 Inducers Concomitant use of SCEMBLIX with strong CYP3A4 inducers decreases both the asciminib C max and AUC [see Clinical Pharmacology (12.3)] .
7.2 Effect of SCEMBLIX on Other Drugs Certain CYP3A4 Substrates Asciminib is a CYP3A4 inhibitor. Concomitant use of SCEMBLIX increases the C max and AUC of CYP3A4 substrates, which may increase the risk of adverse reactions of these substrates [see Clinical Pharmacology (12.3)] . Closely monitor for adverse reactions in patients treated with SCEMBLIX at 80 mg total daily dose with concomitant use of certain CYP3A4 substrates, where minimal concentration changes may lead to serious adverse reactions. Avoid coadministration of SCEMBLIX at 200 mg twice daily with certain CYP3A4 substrates, where minimal concentration changes may lead to serious adverse reactions.
CYP2C9 Substrates Asciminib is a CYP2C9 inhibitor. Concomitant use of SCEMBLIX increases the C max and AUC of CYP2C9 substrates, which may increase the risk of adverse reactions of these substrates [see Clinical Pharmacology (12.3)] . Avoid coadministration of SCEMBLIX at 80 mg total daily dose with certain CYP2C9 substrates, where minimal concentration changes may lead to serious adverse reactions. If coadministration is unavoidable, reduce the CYP2C9 substrate dosage as recommended in its prescribing information.
Avoid coadministration of SCEMBLIX at 200 mg twice daily with sensitive CYP2C9 substrates and certain CYP2C9 substrates, where minimal concentration changes may lead to serious adverse reactions. If coadministration is unavoidable, consider alternative therapy with a non-CYP2C9 substrate. Certain P-gp Substrates Asciminib is a P-gp inhibitor. Concomitant use of SCEMBLIX increases the plasma concentrations of P-gp substrates, which may increase the risk of adverse reactions of these substrates [see Clinical Pharmacology (12.3)] .
Closely monitor for adverse reactions in patients treated with SCEMBLIX at all recommended doses with concomitant use of P-gp substrates, where minimal concentration changes may lead to serious toxicities. Substrates of BCRP Asciminib is a BCRP inhibitor. Concomitant use of SCEMBLIX may increase the plasma concentration of BCRP substrates [see Clinical Pharmacology (12.3)] , which may increase the risk of adverse reactions associated with these substrates. Avoid coadministration of SCEMBLIX at all recommended doses with rosuvastatin. Closely monitor for adverse reactions in patients treated with SCEMBLIX at all recommended doses with concomitant use of other BCRP substrates.
Reduce the dosage of the other BCRP substrates as recommended in their Prescribing Information when used concomitantly with SCEMBLIX at all recommended doses.
Contraindications
None. None. ( 4 )
Safety data
Reported adverse events (FAERS)
Liver injury (LiverTox)
E*Likelihood score E*: Unproven but suspected rare cause of clinically apparent liver injury.
Asciminib is a tyrosine kinase inhibitor that specifically targets myristoyl pocket of ABL1 and is used to treat refractory forms of Philadelphia chromosome positive chronic myelocytic leukemia. Serum aminotransferase elevations occur in a proportion of patients treated with asciminib, but episodes of clinically apparent liver injury with jaundice have not been reported with its use.
ABCDEA: well known cause; E: unlikely cause. [HD]: high doses only.
Pregnancy and lactation
Pregnancy
8.1 Pregnancy Risk Summary Based on findings from animal studies and the mechanism of action, SCEMBLIX can cause embryo-fetal harm when administered to a pregnant woman [see Clinical Pharmacology (12.1)] . There are no available data on SCEMBLIX use in pregnant women to evaluate a drug-associated risk. Animal reproduction studies in pregnant rats and rabbits demonstrated that oral administration of asciminib during organogenesis induced structural abnormalities, embryo-fetal mortality, and alterations to growth ( see Data ). Advise pregnant women and females of reproductive potential of the potential risk to a fetus. In the U.S.
general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Animal Data In embryo-fetal development studies, pregnant animals received oral doses of asciminib at 25, 150, and 600 mg/kg/day in rats and at 15, 50, and 300 mg/kg/day in rabbits during the period of organogenesis. In rats, maternal toxicity at the asciminib dose of 600 mg/kg/day resulted in the early termination of the dose group; a complete embryo-fetal examination was not conducted for this group. Adverse embryo-fetal findings were observed at 25 and 150 mg/kg; these doses did not cause maternal toxicities.
Increases in fetal weights at 25 and 150 mg/kg/day were observed, which may be related to increased ossification (i.e., increased rate of development). Malformations were evident at 150 mg/kg and included cleft palate, anasarca (edema), and cardiac abnormalities. Additional fetal findings included urinary tract and skeletal variations, observed primarily at 150 mg/kg/day. At the dose of 25 mg/kg/day, the area under the curve (AUC) exposures were equivalent to or below those achieved in patients at the 40 mg twice daily or 80 mg once daily doses, respectively. At the dose of 25 mg/kg/day, the AUC exposures were below those achieved in patients at the 200 mg twice daily dose.
In rabbits, maternal toxicities at the asciminib dose of 300 mg/kg/day resulted in the early termination of the dose group; a complete embryo-fetal examination was not conducted for this group. Adverse embryo-fetal findings were observed at 50 mg/kg; this dose did not cause maternal toxicities. Findings at the 50 mg/kg dose included increases in early resorptions and post-implantation loss, decreases in the number of live fetuses, and cardiac malformations. At the dose of 50 mg/kg/day, the AUC exposures were 4-fold those achieved in patients at the 40 mg twice daily or 80 mg once…
Breastfeeding (LactMed)
No information is available on the clinical use of asciminib during breastfeeding. Because asciminib is 97% bound to plasma proteins, the amount in milk is likely to be low. However, because of its potential toxicity in the breastfed infant, the manufacturer recommends that breastfeeding be discontinued during asciminib therapy and for 1 week after the last dose.
Supply and cost
Drug shortage status
Recalls (last 24 months)
Therapeutic equivalence (Orange Book)
Price ladder
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