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Published on: June 26, 2019
[Crizotinib: a targeted therapy in advanced ALK-positive non-small cell lung cancer]
A-C Toffart1, L Sakhri, D Moro-Sibilot
1UM Oncologie Thoracique, pôle Cancérologie Médecine Aiguë et Communautaire, Centre Hospitalier Universitaire A.-Michallon, BP 217, 38043 Grenoble cedex 9, France. AToffart@chu-grenoble.fr
Abstract:
Crizotinib is a small orally-administered ALK inhibitor for patients with non-small cell lung cancer with EML4-ALK rearrangement (echinoderm microtubule-associated protein-like 4 and anaplastic lymphoma kinase). This fusion gene is detected with a break apart fluorescence in situ hybridization (FISH) assay. Phase I to III trials have shown an interesting disease control rate and acceptable tolerability. Crizotinib is available in France under temporary use authorization. New potentially effective therapeutics in ALK-positive NSCLC are being developed.
Insights
Crizotinib effectively treats non-small cell lung cancer with EML4-ALK rearrangement, showing good disease control and tolerability in clinical trials. This targeted therapy offers a promising option for patients with this specific genetic mutation.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Non-small cell lung cancer (NSCLC) harbors specific genetic alterations, including the echinoderm microtubule-associated protein-like 4 and anaplastic lymphoma kinase (EML4-ALK) fusion gene.
- The EML4-ALK rearrangement is a key driver mutation in a subset of NSCLC patients, making it a target for precision medicine.
Purpose of the Study:
- To evaluate the efficacy and tolerability of crizotinib, an anaplastic lymphoma kinase (ALK) inhibitor, in patients with ALK-rearranged NSCLC.
- To provide an overview of the clinical trial data supporting the use of crizotinib for this specific patient population.
Main Methods:
- Clinical trials (Phase I to III) were conducted to assess crizotinib's safety and effectiveness.
- The EML4-ALK fusion gene was detected using a break-apart fluorescence in situ hybridization (FISH) assay.
Main Results:
- Crizotinib demonstrated an interesting disease control rate in patients with ALK-positive NSCLC.
- The drug exhibited acceptable tolerability profiles across the studied patient groups.
- Crizotinib is currently available in France under temporary use authorization.
Conclusions:
- Crizotinib is an effective targeted therapy for NSCLC patients with the EML4-ALK rearrangement.
- Ongoing research is exploring new therapeutic agents for ALK-positive NSCLC, indicating a dynamic field of development.
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