brigatinib · by takeda pharms usa
Brigatinib is a kinase inhibitor. The chemical name for brigatinib is 5-chloro-N 4 -[2-(dimethylphosphoryl)phenyl]-N 2 -{2-methoxy-4-[4-(4-methylpiperazin-1-yl)piperidin-1-yl]phenyl}pyrimidine-2,4-diamine. The molecular formula is C 29 H 39 ClN 7 O 2 P which corresponds to a formula weight of 584.10 g/mol. Brigatinib has no chiral centers. The chemical structure is shown below: Brigatinib is an off-white to beige/tan solid. The pK a s were determined to be: 1.73 ± 0.02 (base), 3.65 ± 0.01 (base), 4.72 ± 0.01 (base), and 8.04 ± 0.01 (base). ALUNBRIG is supplied for oral use as film-coated tablets containing 180 mg, 90 mg or 30 mg of brigatinib and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, sodium starch glycolate (Type A), magnesium stearate, and hydrophobic colloidal silica. The tablet coating consists of talc, polyethylene glycol, polyvinyl alcohol, and titanium dioxide. Chemical Structure
2 DOSAGE AND ADMINISTRATION 90 mg orally once daily for the first 7 days; then increase to 180 mg orally once daily. May be taken with or without food. ( 2.2 ) 2.1 Patient Selection Select patients for the treatment of metastatic NSCLC with ALUNBRIG based on the presence of ALK positivity in tumor specimens [see Clinical Studies (14) ] . Information on FDA-approved tests for the detection of ALK rearrangements in NSCLC is available at http://www.fda.gov/CompanionDiagnostics. 2.2 Recommended Dosage The recommended dosage for ALUNBRIG is: 90 mg orally once daily for the first 7 days; then increase the dose to 180 mg orally once daily. Administer ALUNBRIG until disease progression or unacceptable toxicity. If ALUNBRIG is interrupted for 14 days or longer for reasons other than adverse reactions, resume treatment at 90 mg once daily for 7 days before increasing to the previously tolerated dose. ALUNBRIG may be taken with or without food. Instruct patients to swallow tablets whole. Do not crush or chew tablets. If a dose of ALUNBRIG is missed or vomiting occurs after taking a dose, do not administer an additional dose and take the next dose of ALUNBRIG at the scheduled time. 2.3 Dosage Modifications for Adverse Reactions ALUNBRIG dosage reductions for adverse reactions are summarized in Table 1. Table 1: Recommended ALUNBRIG Dosage Reductions Dosage Reduction Dosage First Second…
The following adverse reactions are discussed in greater detail in other sections of the prescribing information: Interstitial Lung Disease (ILD)/Pneumonitis [see Warnings and Precautions (5.1) ] Hypertension [see Warnings and Precautions (5.2) ] Bradycardia [see Warnings and Precautions (5.3) ] Visual Disturbance [see Warnings and Precautions (5.4) ] Creatine Phosphokinase (CPK) Elevation [see Warnings and Precautions (5.5) ] Pancreatic Enzymes Elevation [see Warnings and Precautions (5.6) ] Hepatotoxicity [see Warnings and Precautions (5.7) ] Hyperglycemia [see Warnings and Precautions (5.8) ] Photosensitivity [see Warnings and Precautions (5.9) ] The most common adverse reactions (≥25%) with ALUNBRIG were diarrhea, fatigue, nausea, rash, cough, myalgia, headache, hypertension, vomiting, and dyspnea. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Takeda Pharmaceuticals at 1-844-217-6468 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Advanced ALK-positive NSCLC Without Prior ALK-targeted Therapy In ALTA 1L, the safety of ALUNBRIG was evaluated in 136 patients with advanced…
Important safety information
Interstitial Lung Disease (ILD)/Pneumonitis : Monitor for new or worsening respiratory symptoms, particularly during the first week of treatment. Withhold ALUNBRIG for new or worsening respiratory symptoms and promptly evaluate for ILD/pneumonitis. Upon recovery, either dose reduce or permanently discontinue ALUNBRIG. ( 2.3 , 5.1 ) Hypertension : Monitor blood pressure after 2 weeks and then at least monthly during treatment. For severe hypertension, withhold ALUNBRIG, then dose reduce or permanently discontinue. ( 2.3 , 5.2 ) Bradycardia : Monitor heart rate and blood pressure regularly during treatment. If symptomatic, withhold ALUNBRIG, then dose reduce or permanently discontinue. ( 2.3 , 5.3 ) Visual Disturbance : Advise patients to report visual symptoms. Withhold ALUNBRIG and obtain ophthalmologic evaluation, then dose reduce or permanently discontinue ALUNBRIG. ( 2.3 , 5.4 ) Creatine Phosphokinase (CPK) Elevation : Monitor CPK levels regularly during treatment. Based on the severity and with muscle pain or weakness, withhold ALUNBRIG, then resume or reduce dose. ( 2.3 , 5.5 ) Pancreatic Enzymes Elevation : Monitor lipase and amylase levels regularly during treatment. Based on the severity, withhold ALUNBRIG, then resume or reduce dose. ( 2.3 , 5.6 ) Hepatotoxicity : Monitor alanine aminotransferase (ALT), aspartate aminotransferase (AST) and total bilirubin levels…
Inhibitors : Avoid coadministration of ALUNBRIG with strong or moderate CYP3A inhibitors. If coadministration of a strong or moderate CYP3A inhibitor is unavoidable, reduce the dose of ALUNBRIG. ( 2.4 , 7.1 ) CYP3A Inducers : Avoid coadministration of ALUNBRIG with strong or moderate CYP3A inducers. If coadministration of a moderate CYP3A inducer is unavoidable, increase the dose of ALUNBRIG. ( 2.5 , 7.1 ) 7.1 Effect of Other Drugs on ALUNBRIG Strong or Moderate CYP3A Inhibitors Coadministration of ALUNBRIG with a strong or moderate CYP3A inhibitor increased brigatinib plasma concentrations, which may increase the incidence of adverse reactions [see Clinical Pharmacology (12.3) ] . Avoid coadministration of ALUNBRIG with strong or moderate CYP3A inhibitors. If coadministration of strong or moderate CYP3A inhibitors cannot be avoided, modify dose as recommended [see Dosage and Administration (2.4) ] . Strong or Moderate CYP3A Inducers Coadministration of ALUNBRIG with a strong or moderate CYP3A inducer decreased brigatinib plasma concentrations, which may decrease the efficacy of ALUNBRIG [see Clinical Pharmacology (12.3) ] . Avoid coadministration of ALUNBRIG with strong or moderate CYP3A inducers. If coadministration of moderate CYP3A inducers cannot be avoided, modify dose as recommended [see Dosage and Administration (2.5) ] .
TABLET
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Clinical content sourced from the FDA label via openFDA (U.S. FDA). Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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