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Updated: May 27, 2026

Ultra-Fast Amplicon-Based Next-Generation Sequencing in Non-Squamous Non-Small Cell Lung Cancer
Published on: September 8, 2023
Treatment for ALK-mutated non-small-cell lung cancer: a new miracle in the research race
J de Castro-Carpeño1, R Perona, C Belda-Iniesta
1Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Servicio de Oncología Médica, Hospital Universitario La Paz, Madrid, Spain. jcastro.hulp@salud.madrid.org
Abstract:
The discovery of anaplastic lymphoma kinase (ALK) rearrangements in a subset of patients with nonsmall- cell lung cancer (NSCLC) and its potential blockage by specific inhibitors such as crizotinib has been one of the latest advances in the treatment of this disease. In this article, we will review the most important clinical aspects of ALK alterations in NSCLC patients and the pending questions to answer: the most effective means of diagnosing ALK-rearranged NSCLC, and efficacy, toxicity profile and potential mechanisms of resistance to crizotinib.
Insights
Anaplastic lymphoma kinase (ALK) rearrangements are key in nonsmall-cell lung cancer (NSCLC) treatment. This review covers diagnosing ALK-rearranged NSCLC and crizotinib
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Anaplastic lymphoma kinase (ALK) rearrangements are identified in a subset of nonsmall-cell lung cancer (NSCLC) patients.
- Targeted therapies, like crizotinib, offer new treatment avenues for ALK-positive NSCLC.
Purpose of the Study:
- To review clinical aspects of ALK alterations in NSCLC.
- To address diagnostic methods for ALK-rearranged NSCLC.
- To evaluate crizotinib's efficacy, toxicity, and resistance mechanisms.
Main Methods:
- Literature review of clinical studies on ALK rearrangements in NSCLC.
- Analysis of diagnostic techniques for ALK alterations.
- Review of clinical trial data for crizotinib in NSCLC.
Main Results:
- ALK rearrangements represent a significant therapeutic target in NSCLC.
- Effective diagnosis of ALK-rearranged NSCLC is crucial for treatment selection.
- Crizotinib demonstrates efficacy but also presents challenges regarding toxicity and resistance.
Conclusions:
- ALK alterations are a critical factor in NSCLC patient management.
- Optimal diagnostic strategies are needed to identify patients benefiting from ALK inhibitors.
- Understanding and overcoming resistance mechanisms to crizotinib is essential for improving patient outcomes.
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