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Dose modification for molecularly targeted agents used for cancer therapy in patients with preexisting liver disease

Dose modification for molecularly targeted agents used for cancer therapy in patients with preexisting liver disease
Agent Liver function Percent dose reduction administered initially*
Acalabrutinib Severe hepatic impairment Avoid use
Alectinib Severe hepatic impairment Reduce initial starting dose
Axitinib Refer to UpToDate text  
Binimetinib Moderate or severe hepatic impairment Reduce initial starting dose from 45 to 30 mg orally twice daily
Bosutinib   Reduced starting doses (200 mg daily) for mild, moderate, or severe hepatic impairment
Brentuximab   Reduce starting dose for mild liver impairment; avoid use for moderate to severe hepatic impairment
Brigatinib Severe hepatic impairment Reduce initial starting dose
Ceritinib Severe hepatic impairment Reduce initial starting dose
Crizotinib Moderate to severe hepatic impairment (total serum bilirubin or AST >1.5 times the ULN) Reduce initial starting dose
Enfortumab Moderate or severe hepatic impairment Avoid use
Erlotinib Direct bilirubin 1 to 7 mg/dL or ALT ≥3 times the ULN Start at 75 rather than 150 mg daily
Everolimus Child-Pugh A 25% dose reduction for patients treated for breast cancer, renal cell cancer, or pancreatic neuroendocrine tumor; for patients with subependymal giant cell tumor, refer to manufacturer's FDA-approved package insert
Child-Pugh B 50% reduction for patients treated for breast cancer, renal cell cancer, or pancreatic neuroendocrine tumor; for patients with subependymal giant cell tumor, refer to manufacturer's FDA-approved package insert
Child-Pugh C If potential benefits outweigh risks, maximum daily dose of 2.5 mg recommended
Ibrutinib Child-Pugh A 140 rather than 420 mg daily
Child-Pugh B or C Avoid use
Imatinib Total bilirubin >3 to 10 times the ULN 25% dose reduction
Infigratinib Mild or moderate hepatic impairment Reduce initial starting dose
Lapatinib Severe hepatic impairment (Child-Pugh C) 1250 mg per day initial dose (in conjunction with capecitabine) reduced to 750 mg once daily; 1500 mg per day initial dose (in conjunction with letrozole) reduced to 1000 mg once daily
Larotrectinib Moderate or severe hepatic impairment Reduce starting dose by 50%
Lenvatinib Severe hepatic impairment (Child-Pugh C) Reduce initial dose from 24 to 12 mg once daily
Neratinib Severe hepatic impairment (Child-Pugh C) Reduce starting dose from 240 to 80 mg daily
Nilotinib Mild to moderate impairment (Child-Pugh A/B) 600 rather than 800 mg daily
Severe hepatic impairment (Child-Pugh C) 400 mg daily
Pazopanib Total bilirubin ≥1.5 times the ULN and/or ALT ≥2 times the ULN Reduce to 200 mg daily
Pemigatinib Severe hepatic impairment (total bilirubin >3 times the ULN) Reduce initial starting dose
Ponatinib Moderate to severe hepatic impairment (Child-Pugh B/C) Avoid use
Regorafenib Child-Pugh C disease Avoid use
Ribociclib Moderate to severe hepatic impairment (Child-Pugh B/C) Reduce starting dose from 600 to 400 mg daily
Ruxolitinib Refer to UpToDate text Recommendations for dose modification vary according to indications for use.
Selpercatinib Total bilirubin >3 to 10 times the ULN, and any AST elevation Reduce initial dose to 80 mg orally twice daily
Sunitinib Refer to UpToDate text  
Temsirolimus Total bilirubin >1 to 1.5 times the ULN or AST greater than the ULN Reduce dose to 15 mg per week
Total bilirubin >1.5 times the ULN Avoid use
Tucatinib Severe hepatic impairment (Child-Pugh C) Reduced initial dose
Zanubrutinib Severe hepatic impairment (Child-Pugh C) Reduced initial dose

AST: aspartate aminotransferase; ULN: upper limit of normal; ALT: alanine aminotransferase; FDA: US Food and Drug Administration.

* Subsequent doses may be escalated as tolerated.

¶ Others[1] suggest the need to limit the total daily dose to 500 mg even in the setting of mild liver impairment (bilirubin <1.5 times the ULN).
Reference:
  1. Ramanathan RK, Egorin MJ, Takimoto CH, et al. Phase I and pharmacokinetic study of imatinib mesylate in patients with advanced malignancies and varying degrees of liver dysfunction: a study by the National Cancer Institute Organ Dysfunction Working Group. J Clin Oncol 2008; 26:563.
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