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Safety and efficacy of anaplastic lymphoma kinase tyrosine kinase inhibitors in non?small cell lung cancer (Review).

ABSTRACT: Since the discovery of targeted therapy with epidermal growth factor receptor (EGFR), anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitors (TKIs) have been introduced as the first?line treatment for non?small cell lung cancer (NSCLC) patients who carry sensitizing ALK?activating mutations. Compared with conventional chemotherapeutic regimens, small?molecule ALK?TKIs exhibit excellent clinical efficacy in ALK?positive NSCLC. A series of studies have indicated that ALK?TKI agents as the first?line treatment, including crizotinib, ceritinib, brigatinib, alectinib and entrectinib, can benefit patients with ALK?positive NSCLC. However, resistance to ALK?TKIs has emerged. ALK?TKIs are associated with significantly disabling and undesirable effects that adversely impact quality of life and compliance. This study reviews the pharmacodynamics, efficacy and safety of ALK?TKI agents in order to summarize these effects as well as the relevant management strategies. It is worth emphasizing that the frequency and severity of an adverse effect often varies across different trials.

SUBMITTER: Wang L

PROVIDER: S-EPMC7709813 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Safety and efficacy of anaplastic lymphoma kinase tyrosine kinase inhibitors in non‑small cell lung cancer (Review).

Wang Li L Wang Wen W

Oncology reports 20201113 1

Since the discovery of targeted therapy with epidermal growth factor receptor (EGFR), anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitors (TKIs) have been introduced as the first‑line treatment for non‑small cell lung cancer (NSCLC) patients who carry sensitizing ALK‑activating mutations. Compared with conventional chemotherapeutic regimens, small‑molecule ALK‑TKIs exhibit excellent clinical efficacy in ALK‑positive NSCLC. A series of studies have indicated that ALK‑TKI agents as the fir ...[more]

PMID: 33200229

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Project description:Lung cancer still represents the leading cause of cancer-related mortality. However, the recent advent of tyrosine kinase inhibitors (TKI), pioneering drugs against targetable mutations, have dramatically improved prognosis of advanced non-small cell lung cancer (NSCLC) patients. Anaplastic lymphoma kinase (ALK) gene rearrangements, identified in 3–7% of NSCLC cases, reflects in the constitutive activation of downstream signalling pathways, stimulating tumour cell proliferation, differentiation and survival. To accurately detect the wide spectrum of ALK rearrangements, the introduction of innovative techniques, like reverse transcriptase polymerase chain reaction (RT-PCR) or next generation sequencing (NGS) now allows for a more precise detection of variants and a more objective reading assessment, compared to the traditional diagnostic approaches. In some occasions, these new tools may dynamically monitor tumor evolution and even guide the choice of the most appropriate ALK inhibitor. In fact, among ALK TKIs available, crizotinib was the first to receive FDA accelerate approval for ALK rearranged NSCLC patients. Notwithstanding its response rate, ranging from 57% to 74%, the majority of patients progress within the first year of drug administration, due to acquired resistance. Both ALK-dependent and independent mechanisms of acquired resistance to TKIs have been identified. If the activation of multiple bypass signaling pathways constitutes the most common ALK-independent mechanism of resistance and one of the most difficult to overcome, ALK-dependent escape strategy mainly consists of mutations in the kinase domain, where the type of mutation largely depends on the TKI administered. Second and third generation TKIs are now available and are demonstrating high systemic and central nervous system (CNS) efficacy in clinical trials. Even though appropriate timing and sequencing of these compounds are still unclear, the large number of ALK inhibitors is now a precious resource aiming to prolong progression-free survival (PFS) and finally overall survival (OS). Here Authors provide an overview of the current approaches in the clinical management of advanced NSCLC patients harboring ALK rearrangement and discuss future perspectives to address current issues, highlighting the perception that ALK-rearranged advanced NSCLC patients benefit from maintained ALK inhibition for as long as possible.

Project description:AimThis article is based on our previous research, which was presented as a post at the Congress Aiom 2022 Congress and published in Tumori Journal as Conference Abstract (Tumori J. 2022;108:1-194. doi: 10.1177/03008916221114500). In this paper, a comprehensive presentation of all the achieved results is provided. Several tyrosine kinase inhibitors (TKIs) have been investigated to treat patients with anaplastic lymphoma kinase (ALK)-positive non-small cell lung cancer (NSCLC). However, direct comparisons between these TKIs are lacking, with many only being compared to crizotinib. To address this gap, a network meta-analysis was conducted to compare the efficacy and safety of various first-line systemic therapies for ALK-positive NSCLC.MethodsA thorough search of PubMed, Embase, and Cochrane Library was performed to identify randomized controlled trials (RCTs) published between January 01, 2000 and April 01, 2022, and included trials that investigated upfront treatments for this molecular subgroup and reported overall survival (OS), progression-free survival (PFS), objective response rate (ORR), and adverse events (AEs) of grade 3 or higher (grade ≥ 3 AEs).ResultsThe analysis included 9 RCTs with 2,443 patients receiving eight different treatments: alectinib (at two different dosages), brigatinib, ceritinib, crizotinib, ensartinib, lorlatinib, and chemotherapy. Second and third-generation TKIs significantly prolonged PFS compared to crizotinib, with lorlatinib having the highest probability of yielding the most favorable PFS, followed by alectinib (300 mg or 600 mg). However, only alectinib has been shown to significantly prolong OS compared to crizotinib to date. Lorlatinib appears superior in reducing the risk of central nervous system (CNS) progression, followed by alectinib 600 mg. Ceritinib had the highest rate of AEs, followed by lorlatinib and brigatinib.ConclusionsBased on the network meta-analysis, alectinib and lorlatinib emerged as the most promising upfront treatment options. These treatments provide prolonged disease control while maintaining an acceptable safety profile.

Project description:BackgroundTargeted therapies have led to significant improvement in the management and prognosis of anaplastic lymphoma kinase (ALK)-positive non-small cell lung cancer (NSCLC). We performed a network meta-analysis of frontline treatment options of ALK-positive NSCLC to provide clinical guidance.MethodsPubMed, Embase, ClinicalTrials.gov, and international conference databases were searched to identify relevant trials from inception to June 30, 2021. Phase III randomized controlled trials (RCTs) comparing treatments for patients with ALK-positive advanced NSCLC in the first-line setting were included in a Bayesian network meta-analysis. Eligible studies reported at least one of the following clinical outcomes: progression-free survival (PFS), overall survival (OS), risk of the central nervous system (CNS) progression, adverse events (AEs) of grade (G) 3 or higher (G3 AEs), or serious AEs (SAEs). Hazard ratios (HRs) and CI for primary outcome of PFS and secondary outcome of OS and risk of CNS progression were obtained. A multivariate, consistency model, fixed-effects analysis was used in the network meta-analysis. Data on G3 AEs and SAEs were abstracted and meta-analyzed. Risk of bias (RoB) was assessed using the Cochrane Collaboration's tool.ResultsNine RCTs comprising 2,484 patients were included with seven treatments: alectinib, brigatinib, ceritinib, crizotinib, ensartinib, lorlatinib, and chemotherapy. Compared with chemotherapy, ALK-tyrosine kinase inhibitors (TKIs) significantly prolong PFS and reduced risk of CNS progression except for ceritinib. Lorlatinib appears superior at reducing risk of CNS progression. None of the ALK-TKIs have a significantly prolonged OS as compared with chemotherapy. Lorlatinib increases the risk of G3 AEs as compared with alectinib (odds ratio 4.26 [95% CrI 1.22 to 15.53]), while alectinib caused the fewest G3 AEs.ConclusionsLorlatinib is associated with the highest PFS benefit and lowest risk of CNS progression benefits for patients with advanced ALK-positive NSCLC, compared with other first-line treatments, but with higher toxicity. The implementation of a newer generation of ALK-TKIs in the first-line treatment of ALK-positive NSCLC into current clinical practice is evolving rapidly.

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Safety and efficacy of anaplastic lymphoma kinase tyrosine kinase inhibitors in non?small cell lung cancer (Review).

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Safety and efficacy of anaplastic lymphoma kinase tyrosine kinase inhibitors in non‑small cell lung cancer (Review).

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