Bosutinib
Generic Name: bosutinib
Brand Names:
Bosulif
11 DESCRIPTION BOSULIF contains bosutinib, a kinase inhibitor. Bosutinib is present as a monohydrate with a chemical name of 3-Quinolinecarbonitrile, 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl) propoxy]-, hydrate (1:1). Its chemical formula is C 26 H 29 Cl 2 N 5 O 3 ∙H 2 O (monohydrate); its molecular weight is 548.46 (monohydrate), equivalent to 530.46 (anhydrous).
Overview
11 DESCRIPTION BOSULIF contains bosutinib, a kinase inhibitor. Bosutinib is present as a monohydrate with a chemical name of 3-Quinolinecarbonitrile, 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl) propoxy]-, hydrate (1:1). Its chemical formula is C 26 H 29 Cl 2 N 5 O 3 ∙H 2 O (monohydrate); its molecular weight is 548.46 (monohydrate), equivalent to 530.46 (anhydrous).
Uses
1 INDICATIONS AND USAGE BOSULIF is indicated for the treatment of: • Adult and pediatric patients 1 year of age and older with chronic phase (CP) Philadelphia chromosome-positive chronic myelogenous leukemia (Ph+ CML), newly-diagnosed or resistant or intolerant to prior therapy [see Clinical Studies ( 14.1 , 14.2 , 14.3 )] . • Adult patients with accelerated phase (AP), or blast phase (BP) Ph+ CML with resistance or intolerance to prior therapy [see Clinical Studies (14.2) ] . BOSULIF is a kinase inhibitor indicated for the treatment of • adult and pediatric patients 1 year of age and older with chronic phase Ph+ chronic myelogenous leukemia (CML), newly-diagnosed or resistant or intolerant to prior therapy.
Dosage
2 DOSAGE AND ADMINISTRATION • Adult patients with newly-diagnosed chronic phase Ph+ CML: 400 mg orally once daily with food. ( 2.1 ) • Adult patients with chronic, accelerated, or blast phase Ph+ CML with resistance or intolerance to prior therapy: 500 mg orally once daily with food. ( 2.1 ) • Pediatric patients with newly-diagnosed chronic phase Ph+ CML: 300 mg/m 2 orally once daily with food. ( 2.1 ) • Pediatric patients with chronic phase Ph+ CML with resistance or intolerance to prior therapy: 400 mg/m 2 orally once daily with food. ( 2.1 ) • Consider dose escalation by increments of 100 mg once daily to a maximum of 600 mg daily in adult patients who do not reach complete hematologic, cytogenetic, or molecular response and do not have Grade 3 or greater adverse reactions.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: • Gastrointestinal toxicity [see Warnings and Precautions (5.1) ] . • Myelosuppression [see Warnings and Precautions (5.2) ] . • Hepatic toxicity [see Warnings and Precautions (5.3) ] . • Cardiovascular toxicity [see Warnings and Precautions (5.4) ] . • Fluid retention [see Warnings and Precautions (5.5) ] . • Renal toxicity [see Warnings and Precautions (5.6) ] . • Most common adverse reactions (≥20%), in adult and pediatric patients with CML are diarrhea, abdominal pain, vomiting, nausea, rash, fatigue, hepatic dysfunction, headache, pyrexia, decreased appetite respiratory tract infection, and constipation.
Interactions
7 DRUG INTERACTIONS • Strong and Moderate CYP3A Inhibitors: Avoid concomitant use with BOSULIF. ( 7.1 ) • Strong CYP3A Inducers: Avoid concomitant use with BOSULIF. ( 7.1 ) • Proton Pump Inhibitors: Use short-acting antacids or H2 blockers as an alternative to proton pump inhibitors. ( 7.1 ) 7.1 Effect of Other Drugs on BOSULIF Strong or Moderate CYP3A Inhibitors Avoid the concomitant use of strong or moderate CYP3A inhibitors with BOSULIF. Bosutinib is a CYP3A substrate. Concomitant use with a strong or moderate CYP3A inhibitor increases bosutinib C max and AUC [see Clinical Pharmacology (12.3) ] which may increase the risk of toxicities. Strong CYP3A Inducers Avoid the concomitant use of strong CYP3A inducers with BOSULIF. Bosutinib is a CYP3A substrate.
Warnings
5 WARNINGS AND PRECAUTIONS • Gastrointestinal Toxicity: Monitor and manage as necessary. Withhold, dose reduce, or discontinue BOSULIF. ( 2.3 , 5.1 ) • Myelosuppression: Monitor blood counts and manage as necessary. Withhold, dose reduce, or discontinue BOSULIF. ( 2.4 , 5.2 ) • Hepatic Toxicity: Monitor liver enzymes at least monthly for the first 3 months and as needed. Withhold, dose reduce, or discontinue BOSULIF. ( 2.3 , 5.3 ) • Cardiovascular Toxicity: Monitor and manage as necessary. Interrupt, dose reduce, or discontinue BOSULIF. ( 5.4 ) • Fluid Retention: Monitor patients and manage using standard of care treatment. Interrupt, dose reduce, or discontinue BOSULIF. ( 2.3 , 5.5 ) • Renal Toxicity: Monitor patients for renal function at baseline and during therapy with BOSULIF. 4 CONTRAINDICATIONS BOSULIF is contraindicated in patients with a history of hypersensitivity to BOSULIF. Reactions have included anaphylaxis [see Adverse Reactions (6.1) ] . Hypersensitivity to BOSULIF. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on findings from animal studies and its mechanism of action, BOSULIF can cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology (12.1) ] . There are no available data in pregnant women to inform the drug-associated risk.
Storage
Storage Store at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
Frequently Asked Questions
What is Bosutinib used for?▼
1 INDICATIONS AND USAGE BOSULIF is indicated for the treatment of: • Adult and pediatric patients 1 year of age and older with chronic phase (CP) Philadelphia chromosome-positive chronic myelogenous leukemia (Ph+ CML), newly-diagnosed or resistant or intolerant to prior therapy [see Clinical Studies ( 14.1 , 14.2 , 14.3 )] . • Adult patients with accelerated phase (AP), or blast phase (BP) Ph+ CML with resistance or intolerance to prior therapy [see Clinical Studies (14.2) ] . BOSULIF is a kinase inhibitor indicated for the treatment of • adult and pediatric patients 1 year of age and older with chronic phase Ph+ chronic myelogenous leukemia (CML), newly-diagnosed or resistant or intolerant to prior therapy.
What are the side effects of Bosutinib?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: • Gastrointestinal toxicity [see Warnings and Precautions (5.1) ] . • Myelosuppression [see Warnings and Precautions (5.2) ] . • Hepatic toxicity [see Warnings and Precautions (5.3) ] . • Cardiovascular toxicity [see Warnings and Precautions (5.4) ] . • Fluid retention [see Warnings and Precautions (5.5) ] . • Renal toxicity [see Warnings and Precautions (5.6) ] . • Most common adverse reactions (≥20%), in adult and pediatric patients with CML are diarrhea, abdominal pain, vomiting, nausea, rash, fatigue, hepatic dysfunction, headache, pyrexia, decreased appetite respiratory tract infection, and constipation.
Can I take Bosutinib during pregnancy?▼
8.1 Pregnancy Risk Summary Based on findings from animal studies and its mechanism of action, BOSULIF can cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology (12.1) ] . There are no available data in pregnant women to inform the drug-associated risk.
What are the important warnings for Bosutinib?▼
5 WARNINGS AND PRECAUTIONS • Gastrointestinal Toxicity: Monitor and manage as necessary. Withhold, dose reduce, or discontinue BOSULIF. ( 2.3 , 5.1 ) • Myelosuppression: Monitor blood counts and manage as necessary. Withhold, dose reduce, or discontinue BOSULIF. ( 2.4 , 5.2 ) • Hepatic Toxicity: Monitor liver enzymes at least monthly for the first 3 months and as needed. Withhold, dose reduce, or discontinue BOSULIF. ( 2.3 , 5.3 ) • Cardiovascular Toxicity: Monitor and manage as necessary. Interrupt, dose reduce, or discontinue BOSULIF. ( 5.4 ) • Fluid Retention: Monitor patients and manage using standard of care treatment. Interrupt, dose reduce, or discontinue BOSULIF. ( 2.3 , 5.5 ) • Renal Toxicity: Monitor patients for renal function at baseline and during therapy with BOSULIF. 4 CONTRAINDICATIONS BOSULIF is contraindicated in patients with a history of hypersensitivity to BOSULIF. Reactions have included anaphylaxis [see Adverse Reactions (6.1) ] . Hypersensitivity to BOSULIF. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.