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Updated: Mar 15, 2026

Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
Published on: September 18, 2013
Crizotinib: from discovery to accelerated development to front-line treatment
1Christie NHS Foundation Trust, Institute of Cancer Sciences, University of Manchester, Manchester, UK fiona.blackhall@christie.nhs.uk.
Crizotinib offers a new treatment for ALK-positive non-small-cell lung cancer (NSCLC). This targeted therapy improves survival and quality of life for patients with advanced NSCLC.
Area of Science:
- Oncology
- Pharmacology
Background:
- Non-small-cell lung cancer (NSCLC) has a poor prognosis, necessitating novel treatments.
- ALK gene rearrangements are present in a subset of NSCLC patients.
- Targeted therapies offer personalized treatment options.
Purpose of the Study:
- To evaluate the efficacy and safety of crizotinib in patients with advanced ALK-positive NSCLC.
- To establish crizotinib as a treatment option for NSCLC.
Main Methods:
- Phase I, II, and III clinical trials were conducted.
- Crizotinib was administered to patients with advanced ALK-positive NSCLC.
- Efficacy was measured by response rates, progression-free survival, and overall survival.
Main Results:
- Crizotinib demonstrated rapid and durable responses in phase I/II studies.
- Phase III studies showed improved progression-free survival compared to chemotherapy.
- Crizotinib has an acceptable safety profile and improves quality of life.
Conclusions:
- Crizotinib is an effective first- and second-line treatment for advanced ALK-positive NSCLC.
- Crizotinib is now the standard of care for this patient population.
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