Treatment of ALK-positive nonsmall cell lung cancer: recent advances

Purpose of review The review will highlight recent advances in development of ALK-TKIs and management of patients with ALK-positive nonsmall cell lung cancer. Recent findings There has been rapid progress in the use of targeted therapies for ALK-positive NSCLC. Since the discovery, development and approval of crizotinib in 2011, three second-generation ALK-TKIs, ceritinib, alectinib and brigatinib have been approved by the FDA. A range of newer generation ALK inhibitors with improved potency against ALK and against mutations that confer resistance to crizotinib are in clinical development. Summary Our review will discuss the recent phase III data with ceritinib and alectinib as well as clinical trials with other ALK inhibitors. We will also address two important issues in the management of ALK-positive NSCLC, prevention and treatment of brain metastases and management of emergent ALK-TKI resistance mechanisms.
Source: Current Opinion in Oncology - Category: Cancer & Oncology Tags: LUNG AND MEDIASTINUM: Edited by Robert Pirker Source Type: research

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Brain metastasis is an extremely serious sequela with a dismal prognosis in non-small cell lung cancer (NSCLC). The present study aimed to identify novel biomarkers and potential therapeutic targets for brain ...
Source: Journal of Translational Medicine - Category: Research Authors: Tags: Research Source Type: research
ConclusionHistological differences had no effect on local control in the single high-dose range used for radiosurgery. However, changes in tumor volume during progression varied across tumor histology.
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research
AbstractPurpose of ReviewEvaluate safety and efficacy of newer systemic therapies for intracranial metastases (IM) from non-small cell lung cancer (NSCLC) when given alone and with concurrent radiation therapy (RT) and determine which patients with IM may benefit from upfront systemic therapy while withholding RT.Recent FindingsIn NSCLC, chemotherapy regimens are associated with approximately 20% intracranial overall response rates (ORRs) and immunotherapies 30 –50% intracranial ORRs. However, tyrosine kinase inhibitor (TKI) therapies for EGFR-mutated patients provide ORRs ranging from 50 to 90%. Prospective data sug...
Source: Current Respiratory Care Reports - Category: Respiratory Medicine Source Type: research
AbstractBrain metastases (BM) are severe incidents in patients with non –small‐cell lung cancer (NSCLC). The controversial value of prophylactic cranial irradiation (PCI) in NSCLC in terms of survival benefit prompted us to explore the possible risk factors for BM in NSCLC and identify the potential population most likely to benefit from PCI. Risk factors for brain metastases in NSCLC are reviewed in this article. Identifying patients with a higher risk of BM could possibly increase the benefit of PCI while reducing the discomfort and risks caused by unnecessary invasive procedures in the NSCLC patient population. ...
Source: Cancer Medicine - Category: Cancer & Oncology Authors: Tags: REVIEW Source Type: research
Conclusions: Our research indicated that delayed brain RT may result in inferior iPFS in EGFR mutated NSCLC patients with asymptomatic brain metastases, but no OS benefit was obtained. In addition, our study revealed that patients treated with SRS had a significantly longer OS for symptomatic BM. Future prospective study of the optimal management strategy with WBRT or SRS and TKI for this patient cohort is urgently needed. PMID: 30393484 [PubMed]
Source: Archives of Medical Science - Category: Biomedical Science Tags: Arch Med Sci Source Type: research
Condition:   Non Small Cell Lung Cancer Metastatic Interventions:   Drug: Temozolomide capsules;   Device: radiotherapy Sponsor:   Taizhou Hospital Not yet recruiting
Source: - Category: Research Source Type: clinical trials
To examine the outcomes of concurrent versus sequential whole-brain radiotherapy (WBRT) and epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) in nonsmall cell lung cancer (NSCLC) patients with EGFR mutation. Retrospectively 105 patients with NSCLC, brain metastasis, and EGFR mutation (Affiliated Hospital of Guangdong Medical University, 01/2011 to 12/2014) were grouped as: EGFR-TKIs alone (n = 39, group A), EGFR-TKIs + concurrent radiotherapy (n = 34, group B), and radiotherapy followed by EGFR-TKIs (n = 32, group C). The intracranial objective response rates of groups A, B, and C were...
Source: Medicine - Category: Internal Medicine Tags: Research Article: Observational Study Source Type: research
Authors: Addeo A, Banna GL PMID: 30370144 [PubMed]
Source: Journal of Thoracic Disease - Category: Respiratory Medicine Tags: J Thorac Dis Source Type: research
CONCLUSIONS: In the adjusted indirect comparison with external controls, the second generation ALK inhibitor, ceritinib, was associated with a significantly prolonged PFS compared to crizotinib as first-line treatment for ALK-positive NSCLC. PMID: 30362839 [PubMed - as supplied by publisher]
Source: Current Medical Research and Opinion - Category: Research Tags: Curr Med Res Opin Source Type: research
Head-to-head phase III study of Alecensa versus crizotinib in Asian patient population showed a reduction in the risk of disease worsening or death by 78%Alecensa lowered the risk of tumour spread or growth in the brain or central nervous system by 86%Data add to a wealth of evidence, includ (...)
Source: Roche Investor Update - Category: Pharmaceuticals Source Type: news
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