Brigatinib: Novel ALK Inhibitor for Non-Small-Cell Lung Cancer

Sara A Spencer1, Angela C Riley1, Adia Matthew1

  • 11 State University of New York, Binghamton, NY, USA.

Abstract

Insights

Brigatinib offers a survival benefit for some patients with anaplastic lymphoma kinase-positive non-small-cell lung cancer (NSCLC) who progressed on crizotinib, despite potential side effects. This review covers its use in ALK-positive NSCLC treatment.

Area of Science:

  • Oncology
  • Pharmacology
  • Clinical Therapeutics

Background:

  • Anaplastic lymphoma kinase (ALK) gene rearrangements define a subset of non-small-cell lung cancer (NSCLC).
  • Crizotinib resistance is a significant challenge in ALK-positive NSCLC management.
  • Brigatinib has emerged as a targeted therapy option for advanced ALK-positive NSCLC.

Purpose of the Study:

  • To comprehensively review the pharmacology, pharmacokinetics, efficacy, safety, and clinical utility of brigatinib.
  • To evaluate brigatinib's role in treating patients with ALK-positive NSCLC, particularly those resistant to or intolerant of crizotinib.
  • To discuss brigatinib's dosing, administration, and potential drug interactions.

Main Methods:

  • A literature search was performed on PubMed using keywords 'brigatinib' and 'ALK positive NSCLC' from January 2013 to November 2018.
  • English-language articles evaluating brigatinib were analyzed for this review.
  • Data synthesis focused on clinical trial outcomes, adverse events, and therapeutic positioning.

Main Results:

  • Brigatinib received accelerated approval for metastatic ALK-positive NSCLC patients progressing on or intolerant to crizotinib.
  • The recommended dosage is 90 mg once daily, increasing to 180 mg once daily if tolerated.
  • Common adverse effects include nausea, fatigue, diarrhea, and hypertension; serious events involved pulmonary issues.

Conclusions:

  • Brigatinib demonstrates efficacy in overcoming crizotinib resistance and exhibits CNS penetration properties.
  • It offers a survival advantage of approximately one year for a subset of NSCLC patients.
  • Careful monitoring for side effects is essential during brigatinib treatment.

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