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Jia C, Xu Q, Zhao L, Kong F, Jia Y. Therapeutic role of EGFR - Tyrosine kinase inhibitors in non-small cell lung cancer with leptomeningeal metastasis. Transl Oncol 2024; 39:101832. [PMID: 38006761 PMCID: PMC10728707 DOI: 10.1016/j.tranon.2023.101832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/28/2023] [Accepted: 11/14/2023] [Indexed: 11/27/2023] Open
Abstract
Leptomeningeal metastasis (LM) is a significant complication that advances fast and has a poor prognosis for patients with advanced non-small cell lung cancer (NSCLC) who have epidermal growth factor receptor (EGFR) mutations. Current therapies for LM are inconsistent and ineffective, and established techniques such as radiation, chemotherapy, and surgery continue to fall short of potential outcomes. Nonetheless, EGFR tyrosine kinase inhibitors (TKIs) exhibit potent anti-tumor activity and hold considerable promise for NSCLC patients with EGFR mutations. Thus, assessing EGFR-TKIs effectiveness in treating these central nervous system (CNS) problems is crucial. This review integrates current literature on the intracranial efficacy of EGFR-TKIs to explore the varying impacts of approved EGFR-TKIs in LM patients and the therapeutic possibilities presented by other EGFR-TKIs in development. To delineate the optimal clinical treatment strategy, further exploration is needed regarding the optimal sequencing of EGFR-TKIs and the selection of alternative therapy options following initial treatment failure with EGFR-TKIs.
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Affiliation(s)
- Caiyan Jia
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300381, PR China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, PR China
| | - Qian Xu
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300381, PR China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, PR China
| | - Lu Zhao
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300381, PR China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, PR China
| | - Fanming Kong
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300381, PR China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, PR China.
| | - Yingjie Jia
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300381, PR China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, PR China.
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2
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Liang S, Liu X, Liu J, Na F, Lai J, Du L, Gong Y, Zhu J, Huang M, Zhou X, Xu Y, Zhou L. Optimal timing of hypofractionated stereotactic radiotherapy for epidermal growth factor receptor-mutated non-small-cell lung cancer patients with brain metastases. Asia Pac J Clin Oncol 2023; 19:731-738. [PMID: 37088960 DOI: 10.1111/ajco.13957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 03/03/2023] [Accepted: 03/19/2023] [Indexed: 04/25/2023]
Abstract
BACKGROUND For epidermal growth factor receptor (EGFR)-mutated non-small-cell lung cancer (NSCLC) patients with limited brain metastases (BMs), who eventually receive both tyrosine kinase inhibitors (TKIs) treatment and brain radiotherapy, the optimal timing of radiotherapy is not clear. The present retrospective analysis aimed to partly solve this problem. METHODS In total 84 EGFR-mutated NSCLC patients with limited BMs, who received both TKI treatment and brain hypofractionated stereotactic radiotherapy (HSRT), were enrolled. Patients were divided into three groups based on whether the HSRT was administrated 2 weeks before or after the beginning of TKI treatment (upfront HSRT), when intracranial lesions stabilized after TKI treatment (consolidative HSRT), or when the intracranial disease progressed after TKI treatment (salvage HSRT). The clinical efficacy and toxicities were evaluated. RESULTS The median intracranial progression-free survival (iPFS) and overall PFS calculated from the initiation of HSRT (iPFS1 and PFS1) of all patients were 17.5 and 13.1 months, respectively. The median iPFS and PFS calculated from the initiation of TKI treatment (iPFS2 and PFS2) of all patients were 24.1 and 18.4 months, respectively. Compared to consolidative and salvage HSRT, upfront HSRT improved iPFS1 (not reached vs. 17.5 months vs. 11.0 months, p < 0.001) and PFS1 (18.4 months vs. 9.1 months vs. 7.9 months, p < 0.001), and reduced the initial intracranial failure rate (12.5% vs. 48.1% vs. 56%, p < 0.001). However, there were no significant differences between the three groups for iPFS2, PFS2, and overall survival. Hepatic metastases and diagnosis-specific Graded Prognostic Assessment (ds-GPA) at 2-3 were poor prognostic factors. CONCLUSION For patients who receive both TKI treatment and brain HSRT, the timing of HSRT does not seem to influence the eventual therapeutic effect. Further validation in prospective clinical studies is needed.
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Affiliation(s)
- Shimeng Liang
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoqin Liu
- Department of Oncology, Jintang First People's Hospital, Jintang, China
| | - Jia Liu
- Department of Oncology, Chengdu First People's Hospital, Chengdu, China
| | - Feifei Na
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Jialu Lai
- Department of Radiotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Leiya Du
- Department of Oncology, Yibin Second People's Hospital, Yibin, China
| | - Youling Gong
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Jiang Zhu
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Meijuan Huang
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaojuan Zhou
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Yong Xu
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Lin Zhou
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
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Lampridis S, Scarci M. Perioperative systemic therapies for non-small-cell lung cancer: Recent advances and future perspectives. Front Surg 2023; 9:1126486. [PMID: 36743902 PMCID: PMC9895369 DOI: 10.3389/fsurg.2022.1126486] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 12/31/2022] [Indexed: 01/22/2023] Open
Abstract
The mainstay of treatment for early-stage non-small-cell lung cancer (NSCLC) is surgical resection. Traditionally, chemotherapy has been used perioperatively in locally extensive disease to improve the oncologic outcomes of surgery, with a 5-year absolute survival benefit of approximately 5%. In recent years, immunotherapy and molecular targeted therapy have shown excellent results in the treatment of locoregionally advanced and metastatic NSCLC, replacing chemotherapy as first-line treatment in certain cases. Consequently, researchers have been increasingly investigating the use of immunotherapy or targeted therapy in combination with surgery for the treatment of early-stage disease. This growing research interest has resulted in several published and ongoing studies of various size and design. In this mini review, we provide a succinct and up-to-date overview of recently published, phase 3 randomized clinical trials on adjuvant and neoadjuvant immunotherapy or targeted therapy for NSCLC. We subsequently discuss some important unresolved clinical issues, including the optimal duration of treatment, scheduling with respect to surgery, and potential combinations of different systemic therapies. Finally, we reference large, randomized, phase 3 studies that are currently in progress and may give answers to those and other clinical questions.
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Therapeutic Monitoring of Orally Administered, Small-Molecule Anticancer Medications with Tumor-Specific Cellular Protein Targets in Peripheral Fluid Spaces-A Review. Pharmaceutics 2023; 15:pharmaceutics15010239. [PMID: 36678867 PMCID: PMC9864625 DOI: 10.3390/pharmaceutics15010239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/13/2023] Open
Abstract
Orally administered, small-molecule anticancer drugs with tumor-specific cellular protein targets (OACD) have revolutionized oncological pharmacotherapy. Nevertheless, the differences in exposure to these drugs in the systemic circulation and extravascular fluid compartments have led to several cases of therapeutic failure, in addition to posing unknown risks of toxicity. The therapeutic drug monitoring (TDM) of OACDs in therapeutically relevant peripheral fluid compartments is therefore essential. In this work, the available knowledge regarding exposure to OACD concentrations in these fluid spaces is summarized. A review of the literature was conducted by searching Embase, PubMed, and Web of Science for clinical research articles and case reports published between 10 May 2001 and 31 August 2022. Results show that, to date, penetration into cerebrospinal fluid has been studied especially intensively, in addition to breast milk, leukocytes, peripheral blood mononuclear cells, peritoneal fluid, pleural fluid, saliva and semen. The typical clinical indications of peripheral fluid TDM of OACDs were (1) primary malignancy, (2) secondary malignancy, (3) mental disorder, and (4) the assessment of toxicity. Liquid chromatography-tandem mass spectrometry was most commonly applied for analysis. The TDM of OACDs in therapeutically relevant peripheral fluid spaces is often indispensable for efficient and safe treatments.
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Brain metastases in patients with oncogenic-driven non-small cell lung cancer: Pros and cons for early radiotherapy. Cancer Treat Rev 2021; 100:102291. [PMID: 34587557 DOI: 10.1016/j.ctrv.2021.102291] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 01/01/2023]
Abstract
Non-small cell lung cancer (NSCLC) with oncogenic driver mutations such as EGFR or ALK has a high predilection for brain metastases (BMs) compared to unselected patients. Historically, whole brain radiotherapy (WBRT) was adopted widely for patients with BM. More recently, stereotactic radiosurgery (SRS) has become a standard approach for patients with 1 - 4 metastatic brain lesions. However, data on overall survival benefit with WBRT/SRS compared to target agents are conflicting, with a significant compromise of loss of neurocognitive function. Newer target agents with improved CNS efficacy have challenged the use of early radiotherapy in NSCLC patients with oncogenic driver mutations. Optimal treatment approach and timing of radiotherapy remain unclear, especially under the various clinical contexts. The purpose of this review is to summarize the available data on the possible benefits and risks of early radiotherapy for oncogenic-driven NSCLC patients with brain metastases. Clinical decisions should consider both intracranial efficacy and patient quality of life, given that patients are surviving long enough to experience the long-term consequences of radiation therapy.
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6
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Liu B, Liu H, Ma Y, Ding Q, Zhang M, Liu X, Liu M. EGFR-mutated stage IV non-small cell lung cancer: What is the role of radiotherapy combined with TKI? Cancer Med 2021; 10:6167-6188. [PMID: 34374490 PMCID: PMC8446557 DOI: 10.1002/cam4.4192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 07/20/2021] [Accepted: 07/20/2021] [Indexed: 12/17/2022] Open
Abstract
Lung cancer is the leading cause of cancer‐related death globally and poses a considerable threat to public health. Asia has the highest prevalence of epidermal growth factor receptor (EGFR) mutations in patients with non‐small cell lung cancer (NSCLC). Despite the reasonable response and prolonged survival associated with EGFR‐tyrosine kinase inhibitor (TKI) therapy, the acquisition of resistance to TKIs remains a major challenge. Additionally, patients with EGFR mutations are at a substantially higher risk of brain metastasis compared with those harboring wild‐type EGFR. The role of radiotherapy (RT) in EGFR‐mutated (EGFRm) stage IV NSCLC requires clarification, especially with the advent of next‐generation TKIs, which are more potent and exhibit greater central nervous system activity. In particular, the feasible application of RT, including the timing, site, dose, fraction, and combination with TKI, merits further investigation. This review focuses on these key issues, and provides a flow diagram with proposed treatment options for metastatic EGFRm NSCLC, aiming to provide guidance for clinical practice.
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Affiliation(s)
- Bailong Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
| | - Hui Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
| | - Yunfei Ma
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
| | - Qiuhui Ding
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
| | - Min Zhang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
| | - Xinliang Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
| | - Min Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
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7
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Li D, Song Z, Dong B, Song W, Cheng C, Zhang Y, Zhang W. Advances in targeted therapy in non-small cell lung cancer with actionable mutations and leptomeningeal metastasis. J Clin Pharm Ther 2021; 47:24-32. [PMID: 34309914 DOI: 10.1111/jcpt.13489] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/19/2021] [Accepted: 07/05/2021] [Indexed: 11/29/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE?: Leptomeningeal metastasis (LM) is a serious complication of advanced non-small cell lung cancer (NSCLC) that is diagnosed in approximately 3%-5% of patients. LM occurs more frequently in patients with NSCLC harbouring epidermal growth factor receptor (EGFR) mutations or anaplastic lymphoma kinase (ALK) rearrangements and is usually accompanied by a poor prognosis, with a median overall survival (OS) of several months if patients receive conventional treatments. However, tyrosine kinase inhibitor (TKI) therapy after LM diagnosis is an independent predictive factor for extended survival. Here, we aim to summarize the latest advances in targeted therapy for LM and provide patients with better treatment options. METHODS: By reviewing the recent progress of targeted therapy in NSCLC with LM, especially the efficacy of newer generation TKIs, we aim to provide clinicians with a reference to further optimize patient treatment plans. RESULTS AND DISCUSSION: Osimertinib was confirmed to have a several-fold higher CNS permeability than other EGFR-TKIs and was recommended as the preferred choice for patients with EGFR-positive LM whether or not they harboured the T790M mutation. Second-generation ALK-TKIs have a higher rate of intracranial response and can be positioned as front-line drugs in NSCLC with LM. However, the sequence in which ALK-TKIs are administered for effective disease control requires further evaluation. In addition, targeted therapy revealed a potential choice in patients with LM and rare mutations, such as ROS1 and BRAF. WHAT IS NEW AND CONCLUSIONS?: The development of therapeutic agents with greater CNS penetration is vital for the management of CNS metastasis from NSCLC, particularly in the EGFR-mutant and ALK-rearranged subtypes. Systemic therapy with newer generation TKIs is preferred as the initial intervention. This is because newer generation TKIs are designed to penetrate the blood-brain barrier and possess significantly higher intracranial activities. However, their further effectiveness is limited by inadequate blood-brain barrier penetration and acquired drug resistance. Further studies are needed to further understand the mechanisms underlying resistance to treatment.
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Affiliation(s)
- Ding Li
- Department of Pharmacy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Henan Engineering Research Center for Tumor Precision Medicine and Comprehensive Evaluation, Zhengzhou, China
| | - Zhenguo Song
- Department of Pharmacy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Henan Engineering Research Center for Tumor Precision Medicine and Comprehensive Evaluation, Zhengzhou, China
| | - Bingqi Dong
- Department of Urology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Wenping Song
- Department of Pharmacy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Henan Engineering Research Center for Tumor Precision Medicine and Comprehensive Evaluation, Zhengzhou, China
| | - Cheng Cheng
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Yongna Zhang
- Department of Pharmacy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Henan Engineering Research Center for Tumor Precision Medicine and Comprehensive Evaluation, Zhengzhou, China
| | - Wenzhou Zhang
- Department of Pharmacy, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,Henan Engineering Research Center for Tumor Precision Medicine and Comprehensive Evaluation, Zhengzhou, China
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8
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Colclough N, Chen K, Johnström P, Strittmatter N, Yan Y, Wrigley GL, Schou M, Goodwin R, Varnäs K, Adua SJ, Zhao M, Nguyen DX, Maglennon G, Barton P, Atkinson J, Zhang L, Janefeldt A, Wilson J, Smith A, Takano A, Arakawa R, Kondrashov M, Malmquist J, Revunov E, Vazquez-Romero A, Moein MM, Windhorst AD, Karp NA, Finlay MRV, Ward RA, Yates JW, Smith PD, Farde L, Cheng Z, Cross DA. Preclinical Comparison of the Blood–brain barrier Permeability of Osimertinib with Other EGFR TKIs. Clin Cancer Res 2020; 27:189-201. [DOI: 10.1158/1078-0432.ccr-19-1871] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 06/18/2020] [Accepted: 09/29/2020] [Indexed: 11/16/2022]
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9
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Khan M, Arooj S, Li R, Tian Y, Zhang J, Lin J, Liang Y, Xu A, Zheng R, Liu M, Yuan Y. Tumor Primary Site and Histology Subtypes Role in Radiotherapeutic Management of Brain Metastases. Front Oncol 2020; 10:781. [PMID: 32733787 PMCID: PMC7358601 DOI: 10.3389/fonc.2020.00781] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 04/22/2020] [Indexed: 12/12/2022] Open
Abstract
Randomized controlled trials have failed to report any survival advantage for WBRT combined with SRS in the management of brain metastases, despite the enhanced local and distant control in comparison to each treatment alone. Literature review have revealed important role of primary histology of the tumor when dealing with brain metastases. NSCLC responds better to combined approach even when there was only single brain metastasis present while breast cancer has registered better survival with SRS alone probably due to better response of primary tumor to advancement in surgical and chemotherapeutic agents. Furthermore, mutation status (EGFR/ALK) in lung cancer and receptor status (ER/PR/HER2) in breast cancer also exhibit diversity in their response to radiotherapy. Radioresistant tumors like renal cell carcinoma and melanoma brain metastases have achieved better results when treated with SRS alone. Secondly, single brain metastasis may benefit from local and distant brain control achieved with combined treatment. These diverse outcomes suggest a primary histology-based analysis of the radiotherapy regimens (WBRT, SRS, or their combination) would more ideally establish the role of radiotherapy in the management of brain metastases. Molecularly targeted therapeutic and immunotherapeutic agents have revealed synergism with radiation therapy particularly SRS in treating cancer patients with brain metastases. Clinical updates in this regard have also been reviewed.
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Affiliation(s)
- Muhammad Khan
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.,Department of Oncology, First affiliated Hospital of Anhui Medical University, Hefei, China
| | - Sumbal Arooj
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.,Department of Oncology, First affiliated Hospital of Anhui Medical University, Hefei, China.,Department of Biochemistry, University of Sialkot, Sialkot, Pakistan
| | - Rong Li
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Yunhong Tian
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Jian Zhang
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Jie Lin
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Yingying Liang
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Anan Xu
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Ronghui Zheng
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Mengzhong Liu
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.,Department of Radiation Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yawei Yuan
- Department of Radiation Oncology, State Key Laboratory of Respiratory Disease, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
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Qin Y, Jian H, Tong X, Wu X, Wang F, Shao YW, Zhao X. Variability of EGFR exon 20 insertions in 24 468 Chinese lung cancer patients and their divergent responses to EGFR inhibitors. Mol Oncol 2020; 14:1695-1704. [PMID: 32412152 PMCID: PMC7400778 DOI: 10.1002/1878-0261.12710] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/30/2020] [Accepted: 05/09/2020] [Indexed: 12/11/2022] Open
Abstract
EGFR exon 20 insertions (EGFR e20ins) account for up to 10% of EGFR mutations in lung cancer; however, tumors with EGFR e20ins had poor response rates to EGFR tyrosine kinase inhibitors (TKIs) including gefitinib, erlotinib, afatinib, and osimertinib, and the heterogeneity of EGFR e20ins further complicates the clinical studies. Here, we retrospectively screened next‐generation sequencing (NGS) data from 24 468 lung cancer patients, and a total of 85 unique EGFR e20ins variants were identified in 547 cases (2.24%), with p.A767_V769dup (25.1%) and p.S768_D770dup (17.6%) being the most prevalent ones. Comprehensive genomic profiling revealed that TP53 mutations frequently coexisted with p.H773dup (77.8%, P = 0.0558) and p.A767_V769dup (62.8%, P = 0.0325), while RB1 mutations usually co‐occurred with p.H773_V774insAH (33.3%, P = 0.0551), implying that different EGFR e20ins variants might require distinct genomic context for tumorigenesis and/or maintenance. Despite that treatment regimens were highly diverse for EGFR e20ins‐positive patients, we observed an overall response rate of 14% and a disease control rate (DCR) of 38.4% in 65 patients who received at least one EGFR TKI. The progression‐free survival (PFS) differs significantly in six representative EGFR e20ins variants (P = 0.017), and EGFR p.A763_Y764insFQEA was associated with better PFS than other EGFR e20ins when treating with various EGFR TKIs. Some EGFR e20ins variants showed at least partial response to first‐generation EGFR TKIs, including p.A767_V769dup, p.S768_D770dup, p.N771_H773dup, p.A763_Y764insFQEA, and p.D770_N771insG. Poziotinib achieved higher DCR for p.S768_D770dup than for p.A767_V769dup, whereas osimertinib showed limited effects for these two insertions when used as the first‐line treatment. Overall, our results demonstrated that EGFR e20ins were highly diversified in terms of insertion patterns and co‐occurring mutations and these EGFR e20ins variants showed different clinical responses to various EGFR TKIs, suggesting the clinical importance of selecting proper EGFR TKI treatment based on the specific EGFR e20ins type.
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Affiliation(s)
- YanRu Qin
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hong Jian
- Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoling Tong
- Translational Medicine Research Institute, Geneseeq Technology Inc, Toronto, ON, Canada
| | - Xue Wu
- Translational Medicine Research Institute, Geneseeq Technology Inc, Toronto, ON, Canada
| | - Fufeng Wang
- Nanjing Geneseeq Technology Inc., Nanjing, China
| | - Yang W Shao
- Nanjing Geneseeq Technology Inc., Nanjing, China.,School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xinmin Zhao
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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11
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Li X, Zhang L, Jiang D, Wang Y, Zang A, Ding C, Zhao M, Su W, Zhang Y, Zhong D, Wu J, Zhang C, An G, Hu X, Cheng G, Wang H, Li Y, He X, Liu J, Liang L, Ding L, Mao L, Zhang S. Routine-Dose and High-Dose Icotinib in Patients with Advanced Non-Small Cell Lung Cancer Harboring EGFR Exon 21-L858R Mutation: the Randomized, Phase II, INCREASE Trial. Clin Cancer Res 2020; 26:3162-3171. [PMID: 32060099 DOI: 10.1158/1078-0432.ccr-19-3064] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 01/12/2020] [Accepted: 02/11/2020] [Indexed: 12/24/2022]
Abstract
PURPOSE Our primary purpose is to explore safety and efficacy of high-dose icotinib in comparison with routine-dose icotinib in patients with non-small cell lung cancer (NSCLC) harboring 21-L858R mutation. PATIENTS AND METHODS Patients with treatment-naïve, EGFR-mutant (21-L858R or exon 19 deletion at 2:1) NSCLC were enrolled. Patients with 21-L858R mutation were randomized to receive routine-dose icotinib (125 mg, thrice daily; L858R-RD) or high-dose icotinib (250 mg, thrice daily; L858R-HD), whereas patients with exon 19 deletion received only routine-dose icotinib (19-Del-RD) until progression, death, or unacceptable toxicity. The primary endpoint was median progression-free survival (mPFS), assessed by an independent review committee. RESULTS From May 2015 to November 2017, 253 patients (86 in L858R-RD; 90 in L858R-HD; and 77 in 19-Del-RD) were enrolled. The mPFS in L858R-HD group was similar to that in 19-Del-RD group (12.9 months and 12.5 months, respectively) and was significantly longer than that in L858R-RD group [12.9 months vs. 9.2 months, hazard ratio (HR): 0.75; 95% confidence interval (CI), 0.53-1.05]. A longer but statistically nonsignificant mPFS was observed between 19-Del-RD and L858R-RD groups (12.5 months vs. 9.2 months, HR: 0.80; 95% CI, 0.57-1.13). A higher objective response rate (ORR) was observed in L858R-HD group compared with L858R-RD group (73% vs. 48%), also between 19-Del-RD and L858R-RD groups (75% vs. 48%). Similar incidences of grade 3/4 toxicities were observed among the three treatment groups. CONCLUSIONS High-dose icotinib improved mPFS and ORR in patients with NSCLC harboring 21-L858R mutation with acceptable tolerability, which could be a new therapeutic option for this patient population.
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Affiliation(s)
- Xi Li
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Li Zhang
- Respiratory Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital, Beijing, China
| | - Da Jiang
- Department of Medical Oncology, The Forth Hospital of Hebei Medical University, Tumor Hospital of Hebei Province, Shijiazhuang, China
| | - Yan Wang
- State Key Laboratory of Molecular Oncology, Department of Medical Oncology, National Cancer Center and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Aimin Zang
- Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Department of Medical Oncology, Affiliated Hospital of Hebei University, Baoding, China
| | - Cuimin Ding
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Min Zhao
- Department of Oncology, Hebei Chest Hospital, Shijiazhuang, Hebei, China
| | - Wuyun Su
- Department of Medical Oncology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Yan Zhang
- Department of Oncology, Affiliated People's Hospital of Hebei Medical University, Shijiazhuang, China
| | - Diansheng Zhong
- Department of Oncology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jin Wu
- Department of Head and Neck and Genito-Urinary Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Cuiying Zhang
- Department of Medical Oncology, People's Hospital of Inner Mongolia Autonomous Region, Hohhot, China
| | - Guangyu An
- Department of Medical Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Xingsheng Hu
- State Key Laboratory of Molecular Oncology, Department of Medical Oncology, National Cancer Center and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Gang Cheng
- Department of Oncology, Beijing Hospital, National Center of Gerontology, Beijing, China
| | - Huaqing Wang
- Department of Respiratory Medicine, Tianjin People's Hospital, Tianjin, China
| | - Yongqun Li
- Respiratory Department, Sixth Medical Center of PLA General Hospital, Beijing, China
| | - Xiaohui He
- State Key Laboratory of Molecular Oncology, Department of Medical Oncology, National Cancer Center and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junli Liu
- Department of Medical Oncology, Xingtai People's Hospital of Hebei Medical University, Xingtai, China
| | - Li Liang
- Department of Oncology, Peking University Third Hospital, Beijing, China
| | | | - Li Mao
- Betta Pharmaceutical Co., Ltd., Hangzhou, China
| | - Shucai Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China.
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12
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Li HY, Xie Y, Yu TT, Lin YJ, Yin ZY. Durable response to pulsatile icotinib for central nervous system metastases from EGFR-mutated non-small cell lung cancer: A case report. World J Clin Cases 2020; 8:370-376. [PMID: 32047787 PMCID: PMC7000937 DOI: 10.12998/wjcc.v8.i2.370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/13/2019] [Accepted: 12/22/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Central nervous system (CNS) metastases are a catastrophic complication of non-small cell lung cancer (NSCLC), including brain and leptomeningeal carcinomatosis, and are always accompanied by a poor prognosis. Despite the continuous development of existing treatments, the therapy of CNS metastases remains challenging.
CASE SUMMARY We report a patient who was definitively diagnosed with brain and leptomeningeal metastases from NSCLC with a targeted mutation in epidermal growth factor receptor (EGFR). A standard dosage of icotinib (125 mg three times daily) was implemented but ineffective. CNS lesions developed despite stable systemic control, so pulsatile icotinib (1125 mg every 3 d) was administered. This new strategy for administration has lasted 25 mo so far, and resulted in complete remission of neurological symptoms, almost vanished lesions, and longer survival with no notable side effects.
CONCLUSION This is the first successful example of pulsatile icotinib for treating isolated CNS progression from EGFR mutation-positive NSCLC, providing a new alternative for the local treatment of CNS metastases.
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Affiliation(s)
- Hui-Ying Li
- Department of Geriatric Oncology, Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China
| | - Yu Xie
- Department of Geriatric Oncology, Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China
| | - Ting-Ting Yu
- Department of Geriatric Oncology, Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China
| | - Yong-Juan Lin
- Department of Geriatric Oncology, Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China
| | - Zhen-Yu Yin
- Department of Geriatric Oncology, Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu Province, China
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Zhou X, Hua D, Gao C, Zhang Y, Qiu L, Wang L. Icotinib and pemetrexed in treatment of lung adenocarcinoma and the effects on prognostic survival rate of patients. Oncol Lett 2019; 18:4153-4159. [PMID: 31516614 PMCID: PMC6732991 DOI: 10.3892/ol.2019.10763] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 05/01/2019] [Indexed: 12/16/2022] Open
Abstract
Efficacy comparison of icotinib and pemetrexed in the treatment of lung adenocarcinoma and the effects on the prognostic survival rate of patients were investigated. A retrospective analysis was performed in 132 lung adenocarcinoma patients who were treated in the Affiliated Hospital of Weifang Medical University from July 2010 to July 2015. Among them, 69 patients were treated with icotinib (icotinib group), and 63 patients were treated with pemetrexed (pemetrexed group). In the icotinib group, 125 mg icotinib was orally administered continuously, 3 times a day, until progressive disease or intolerable adverse reactions occurred. In the pemetrexed group, 500 mg/m2 pemetrexed was intravenously dripped for a total of 4 cycles, 21 days for 1 cycle, until progressive disease or intolerable adverse reactions occurred. The efficacy, toxic and side effects, and survival rate of the two groups were evaluated. There was a statistically significant difference in toxic and side effects between the two groups of drugs after the treatment of lung adenocarcinoma (P<0.05). The median survival time of patients was 16 months in the icotinib group and 10 months in the pemetrexed group, with a statistically significant difference (P<0.05). The 1-year survival rate was higher in the icotinib group than that in the pemetrexed group (P<0.05). There was no difference in 2- and 3-year survival rates between the two groups (P>0.05). In conclusion, the clinical efficacy of icotinib is similar to that of pemetrexed in the treatment of lung adenocarcinoma, but icotinib has less adverse reactions, with better improvement in disease control.
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Affiliation(s)
- Xueheng Zhou
- Department of Pharmacy, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Defeng Hua
- Department of Neurology, Weifang Brain Hospital, Weifang, Shandong 261000, P.R. China
| | - Chengpeng Gao
- Department of Respiratory Medicine, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Yixiang Zhang
- Department of Respiratory Medicine, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Lijie Qiu
- Department of Respiratory Medicine, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
| | - Leqiang Wang
- Department of Respiratory Medicine, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China
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14
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Whole brain radiation therapy does not improve the overall survival of EGFR-mutant NSCLC patients with leptomeningeal metastasis. Radiat Oncol 2019; 14:168. [PMID: 31521171 PMCID: PMC6744654 DOI: 10.1186/s13014-019-1376-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 09/09/2019] [Indexed: 12/25/2022] Open
Abstract
Background Leptomeningeal metastasis (LM) is a devastating and terminal complication of advanced non-small-cell lung cancer (NSCLC), especially in patients harboring epidermal growth factor receptor (EGFR) mutations. The role of whole brain radiation therapy (WBRT) in the treatment of EGFR-mutant NSCLC patients with LM is not conclusive. Therefore, we conducted a retrospective study to evaluate the therapeutic effect of WBRT in this setting. Methods EGFR-mutant NSCLC patients with LM, who had previously received treatment at the Shandong Cancer Hospital and Institute from July 2014 to March 2018 were reviewed retrospectively. LM was diagnosed by positive CSF cytology and/or leptomeningeal-enhanced magnetic resonance imaging (MRI). Survival was estimated using the Kaplan-Meier method. Results In total, 51 EGFR-mutated NSCLC patients with LM were eligible for analysis, subdivided into 26 in the WBRT group and 25 in the non-WBRT group. No significant differences were observed in intracranial ORR (15.4% vs. 16%, p = 0.952) and DCR (34.7% vs. 28%, p = 0.611) between the two groups. The median iPFSLM and OSLM for the entire cohort were 3.3 months (95% CI: 2.77–3.83) and 12.6 months (95% CI: 9.66–15.54), respectively. No difference in iPFSLM was observed between the WBRT and non-WBRT groups (median 3.9 vs. 2.8 months; HR = 0.506, p = 0.052). The median OSLM was 13.6 months in the WBRT group, compared with 5.7 months in the non-WBRT group (HR = 0.454, p = 0.022). Multivariate analyses of OSLM showed that KPS ≥ 80 at the time of LM diagnosis (HR = 0.428, 95% CI: 0.19–0.94; p = 0.034) and the administration of EGFR-TKIs (HR = 0.258, 95% CI: 0.11–0.58; p = 0.001) were independent predictors of survival, but WBRT (HR = 0.49, 95% CI: 0.24–1.01; p = 0.54) was not. Toxicities associated with WBRT or other treatment were rare. Conclusion For EGFR-mutated NSCLC patients with LM, WBRT did not improve intracranial treatment response and survival statistically.
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Li C, Guo J, Zhao L, Hu F, Nie W, Wang H, Zheng X, Shen Y, Gu P, Zhang Y, Zhang X. Upfront whole brain radiotherapy for multiple brain metastases in patients with EGFR-mutant lung adenocarcinoma. Cancer Manag Res 2019; 11:3433-3443. [PMID: 31114377 PMCID: PMC6497873 DOI: 10.2147/cmar.s196881] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/15/2019] [Indexed: 12/25/2022] Open
Abstract
Purpose: This study aimed to evaluate the efficacy of upfront whole-brain radiotherapy (WBRT) in EGFR-mutant lung adenocarcinoma patients with multiple brain metastases (BM). Methods: In this study, 195 patients with EGFR mutations who had multiple BM at preliminary diagnosis were included and retrospectively reviewed. Patients were admitted to receive the following treatments in a multi-disciplinary setting: upfront WBRT followed by EGFR-TKI, concurrent EGFR-TKI and WBRT and upfront EGFR-TKI followed by WBRT. A disease-specific graded prognostic assessment (DS-GPA) was performed for all the patients. The treatment response and overall survival (OS) were assessed as well. Results: The median OS of these patients was 27 months. Objective response rate (ORR) was significantly better in upfront WBRT group than other two groups (P=0.004). Moreover, patients who received upfront WBRT (n=67) had longer OS than the concomitant group (36 vs 25 months; P=0.006) and the upfront EGFR-TKI group (36 vs 25 months; P<0.0001). The prognosis of patients with different DS-GPA scores significantly differed (P<0.0001). In concomitant group and upfront EGFR-TKIs group, patients with higher DS-GPA scores of 2-3 had more favorable prognosis compared with those with lower DS-GPA scores of 0-1.5 (27 vs 25 months; P=0.023). Patients who received EGFR-TKIs concurrently with WBRT had longer OS than those received upfront EGFR-TKIs with high DS-GPA scores. (37 vs 17 months; P=0.023). Conclusion: The use of upfront WBRT for EGFR-mutated lung adenocarcinoma patients with multiple BM can improve ORR and OS. More importantly, patients with high DS-GPA scores are recommended to receive WBRT immediately after EGFR-TKIs therapy.
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Affiliation(s)
- Changhui Li
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Jindong Guo
- Department of Radiation Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Lei Zhao
- Department of Radiation Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Fang Hu
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Wei Nie
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Huimin Wang
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Xiaoxuan Zheng
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Yinchen Shen
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Ping Gu
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Yujun Zhang
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
| | - Xueyan Zhang
- Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China
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Kelly WJ, Shah NJ, Subramaniam DS. Management of Brain Metastases in Epidermal Growth Factor Receptor Mutant Non-Small-Cell Lung Cancer. Front Oncol 2018; 8:208. [PMID: 30018881 PMCID: PMC6037690 DOI: 10.3389/fonc.2018.00208] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 05/22/2018] [Indexed: 01/26/2023] Open
Abstract
Lung cancer remains a leading cause of mortality with 1.69 million deaths worldwide. Activating mutations in epidermal growth factor receptor (EGFR), predominantly exon 19 deletions and exon 21 L858R mutations, are known oncogenic drivers identified in 20-40% of non-small-cell lung cancers (NSCLC). 70% of EGFR-mutant NSCLC patients develop brain metastases (BM), compared to 38% in EGFR wild-type patients. First-generation tyrosine kinase inhibitors (TKIs), such as erlotinib and gefitinib have proven to be superior to chemotherapy in the front-line treatment of EGFR-mutant NSCLC, as has afatinib, a second-generation TKI. The most common acquired resistance mechanism is the development of a gatekeeper mutation in exon 20 T790M. Osimertinib has emerged as a third-generation EGFR TKI with proven activity in the front-line setting as well as in patients with a T790M acquired resistance mutation with remarkable CNS activity. As long-term survival outcomes in EGFR-mutant NSCLC continue to improve, the burden of BM becomes a greater challenge. Here, we review the literature related to the management of BM in EGFR-mutant NSCLC including the role of the three generations of EGFR TKIs, immunotherapy, and brain radiation.
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Affiliation(s)
| | | | - Deepa S. Subramaniam
- Division of Hematology-Oncology, Georgetown University, Washington, DC, United States
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17
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O'Kane GM, Leighl NB. Systemic Therapy of Lung Cancer CNS Metastases Using Molecularly Targeted Agents and Immune Checkpoint Inhibitors. CNS Drugs 2018; 32:527-542. [PMID: 29799091 DOI: 10.1007/s40263-018-0526-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Central nervous system (CNS) metastases most commonly arise from lung cancer, with the majority of patients affected during their disease course. The prognosis for patients with untreated brain metastases is poor, with surgical resection and/or radiotherapy as classic therapeutic options. However, the value of systemic therapy in the management of CNS metastases from lung cancer is growing. Novel targeted agents for the treatment of non-small cell lung cancer (NSCLC) have demonstrated activity in treating patients with CNS involvement, and are potential alternatives to radiation and surgery. These agents include anaplastic lymphoma kinase (ALK) inhibitors such as alectinib, crizotinib, ceritinib, lorlatinib, and others; epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors, including the recently developed third-generation inhibitor osimertinib, and even immune checkpoint inhibitors such as nivolumab, pembrolizumab, and atezolizumab. This review summarizes current activity of systemic agents in the management of CNS metastases from NSCLC, as well as potential mechanisms of action of these small and large molecules.
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Affiliation(s)
- Grainne M O'Kane
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, 7W-389, 700 University Avenue, Toronto, ON, M5G 1Z5, Canada. Grainne.O'
| | - Natasha B Leighl
- Department of Medical Oncology and Hematology, Princess Margaret Cancer Centre, 7W-389, 700 University Avenue, Toronto, ON, M5G 1Z5, Canada
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18
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Tallet AV, Dhermain F, Le Rhun E, Noël G, Kirova YM. Combined irradiation and targeted therapy or immune checkpoint blockade in brain metastases: toxicities and efficacy. Ann Oncol 2018; 28:2962-2976. [PMID: 29045524 DOI: 10.1093/annonc/mdx408] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background Targeted therapies (TT) and immune checkpoint inhibitors (ICI) are currently modifying the landscape of metastatic cancer management and are increasingly used over the course of many cancers treatment. They allow long-term survival with controlled extra-cerebral disease, contributing to the increasing incidence of brain metastases (BMs). Radiation therapy remains the cornerstone of BMs treatment (either whole brain irradiation or stereotactic radiosurgery), and investigating the safety profile of radiation therapy combined with TT or ICI is of high interest. Discontinuing an efficient systemic therapy, when BMs irradiation is considered, might allow systemic disease progression and, on the other hand, the mechanisms of action of these two therapeutic modalities might lead to unexpected toxicities and/or greater efficacy, when combined. Patients and methods We carried out a systematic literature review focusing on the safety profile and the efficacy of BMs radiation therapy combined with targeted agents or ICI, emphasizing on the role (if any) of the sequence of combination scheme (drug given before, during, and/or after radiation therapy). Results Whereas no relevant toxicity has been noticed with most of these drugs, the concomitant use of some other drugs with brain irradiation requires caution. Conclusion Most of available studies appear to advocate for TT or ICI combination with radiation therapy, without altering the clinical safety profiles, allowing the maintenance of systemic treatments when stereotactic radiation therapy is considered. Cognitive functions, health-related quality of life and radiation necrosis risk remain to be assessed. The results of prospective studies are awaited in order to complete and validate the above discussed retrospective data.
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Affiliation(s)
- A V Tallet
- Department of Radiation Oncology, Institut Paoli Calmettes, Marseille
| | - F Dhermain
- Department of Radiation Oncology, Gustave Roussy University Hospital, Cancer Campus Grand Paris, Villejuif
| | - E Le Rhun
- University U-1192, INSERM U-1192, Department of General and Stereotactic Neurosurgery, University Hospital, Department of Medical Oncology, Oscar Lambret center, Lille
| | - G Noël
- Department of Radiation Oncology, Centre Paul Strauss, Strasbourg
| | - Y M Kirova
- Department of Radiation Oncology, Institut Curie, Paris, France
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Ahluwalia MS, Becker K, Levy BP. Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors for Central Nervous System Metastases from Non-Small Cell Lung Cancer. Oncologist 2018; 23:1199-1209. [PMID: 29650684 DOI: 10.1634/theoncologist.2017-0572] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 02/22/2018] [Indexed: 12/14/2022] Open
Abstract
Central nervous system (CNS) metastases are a common complication in patients with epidermal growth factor receptor (EGFR)-mutated non-small cell lung cancer (NSCLC), resulting in a poor prognosis and limited treatment options. Treatment of CNS metastases requires a multidisciplinary approach, and the optimal treatment options and sequence of therapies are yet to be established. Many systemic therapies have poor efficacy in the CNS due to the challenges of crossing the blood-brain barrier (BBB), creating a major unmet need for the development of agents with good BBB-penetrating biopharmaceutical properties. Although the CNS penetration of first- and second-generation EGFR tyrosine kinase inhibitors (TKIs) is generally low, EGFR-TKI treatment has been shown to delay time to CNS progression in patients with CNS metastases from EGFR-mutated disease. However, a major challenge with EGFR-TKI treatment for patients with NSCLC is the development of acquired resistance, which occurs in most patients treated with a first-line EGFR-TKI. Novel EGFR-TKIs, such as osimertinib, have been specifically designed to address the challenges of acquired resistance and poor BBB permeability and have demonstrated efficacy in the CNS. A rational, iterative drug development process to design agents that could penetrate the BBB could prevent morbidity and mortality associated with CNS disease progression. To ensure a consistent approach to evaluating CNS efficacy, special consideration also needs to be given to clinical trial endpoints. IMPLICATIONS FOR PRACTICE Historically, treatment options for patients who develop central nervous system (CNS) metastases have been limited and associated with poor outcomes. The development of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) has improved outcomes for patients with EGFR-mutated disease, and emerging data have demonstrated the ability of these drugs to cross the blood-brain barrier and elicit significant intracranial responses. Recent studies have indicated a role for next-generation EGFR-TKIs, such as osimertinib, in the treatment of CNS metastases. In the context of an evolving treatment paradigm, treatment should be individualized to the patient and requires a multidisciplinary approach.
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Affiliation(s)
| | - Kevin Becker
- Maimonides Medical Center, Brooklyn, New York, USA
| | - Benjamin P Levy
- Johns Hopkins University School of Medicine, Washington DC, USA
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20
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Jiang AY, Zhang J, Luo HL, Gao F, Lv YF. Icotinib and whole-brain radiotherapy for the treatment in patients with brain metastases from EGFR-mutant nonsmall cell lung cancer: A retrospective study. Medicine (Baltimore) 2018; 97:e0312. [PMID: 29642161 PMCID: PMC5908633 DOI: 10.1097/md.0000000000010312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
This study aimed to explore the effect and toxicity of icotinib and whole-brain radiotherapy (IWBRT) for the treatment of brain metastases from nonsmall cell lung cancer (BMNSCLC) with epidermal growth factor receptor (EGFR)-mutant among Chinese Han population.A total of 55 patients with EGFR-mutant BMNSCLC were included. They received orally icotinib (125 mg/tablet, 125 mg each time, 3 times daily) until disease progression. In addition, they also underwent whole-brain radiotherapy (3-Gy fractions once daily, 5 days weekly for a total dose of 30 Gy) in an attempt to extend their survival time. The outcomes consisted of complete response (CR), partial response (PR), stable disease (SD), progress disease (PD), overall response rate (ORR), progression-free survival (PFS), and overall survival (OS). In addition, toxicity was also recorded in this study.The CR, PR, SD, PD, ORR, PFS, and OS were 38.2%, 52.8%, 5.4%, 3.6%, 90.1%, 12.5%, and 48.0% months, respectively. In addition, mild toxicity was observed in this study.This study demonstrated that IWBRT is efficacious with acceptable toxicity for patients with EGFR-mutant BMNSCLC among Chinese Han population.
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Affiliation(s)
- Ai-Ying Jiang
- Department of Respiratory Medicine, The Affiliated Hongqi Hospital of Mudanjiang Medical University
| | - Jing Zhang
- Department of Anatomy, Mudanjiang Medical University
| | - Hai-Long Luo
- Department of Neurology, The Affiliated Hongqi Hospital of Mudanjiang Medical University
| | - Feng Gao
- Department of Anesthesiology, Mudanjiang Hospital of Traditional Chinese Medicine, Mudanjiang, China
| | - Yu-Feng Lv
- Department of Respiratory Medicine, The Affiliated Hongqi Hospital of Mudanjiang Medical University
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21
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Li X, Wang Y, Wang J, Zhang T, Zheng L, Yang Z, Xing L, Yu J. Enhanced efficacy of AZD3759 and radiation on brain metastasis from EGFR mutant non-small cell lung cancer. Int J Cancer 2018; 143:212-224. [PMID: 29430654 DOI: 10.1002/ijc.31303] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 01/15/2018] [Accepted: 02/02/2018] [Indexed: 11/07/2022]
Abstract
The prognosis of patients with brain metastasis (BM) is poor. In our study, we demonstrated that AZD3759, an EGFR tyrosine kinase inhibitors (TKIs) with excellent blood-brain barrier (BBB) penetration, combined with radiation enhanced the antitumor efficacy in BM model from EGFR mutant (EGFRm) NSCLC. Besides, the antitumor activity displayed no difference between radiation concurrently with AZD3759 and radiation sequentially with AZD3759. Mechanistically, we found that two factors determined the enhanced efficacy: cells with EGFRm which were sensitive to AZD3759, and a relative high concentration of AZD3759. We have validated mechanisms underlying the radiosensitizing effect of AZD3759, which were involved in decreased cell proliferation and survival, and suppressed repair of DNA damage. Moreover, our study found that AZD3759 inhibited both the non-homologous end joining (NHEJ) and homologous recombination (HR) DNA double-strand breaks (DSBs) repair pathway, and abrogated the G2/M checkpoint to suppress DNA damage repair. We also detected the BBB penetration of AZD3759 when combined with cranial radiation. The results showed the BBB penetration of AZD3759 was decreased within 24 hr after radiation, however, the free concentration of AZD3759 in brain kept at a high level in the context of radiation. In conclusion, our findings suggest that AZD3759 combined with radiation enhances the antitumor activity in BM from EGFRm NSCLC, this combination therapy may be an effective treatment option for BM from EGFRm NSCLC.
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Affiliation(s)
- Xue Li
- Department of Radiation Oncology and Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China.,Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academic of Medical Science, Jinan, 250117, China
| | - Yingchun Wang
- Asia Innovative Medicines and Early Development, AstraZeneca, Shanghai, 201203, China
| | - Jia Wang
- Asia Innovative Medicines and Early Development, AstraZeneca, Shanghai, 201203, China
| | - Tianwei Zhang
- Asia Innovative Medicines and Early Development, AstraZeneca, Shanghai, 201203, China
| | - Li Zheng
- Asia Innovative Medicines and Early Development, AstraZeneca, Shanghai, 201203, China
| | - Zhenfan Yang
- Asia Innovative Medicines and Early Development, AstraZeneca, Shanghai, 201203, China
| | - Ligang Xing
- Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academic of Medical Science, Jinan, 250117, China
| | - Jinming Yu
- Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academic of Medical Science, Jinan, 250117, China
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Chen Y, Wang Y, Zhao L, Wang P, Sun J, Bao R, Li C, Liu N. EGFR tyrosine kinase inhibitor HS-10182 increases radiation sensitivity in non-small cell lung cancers with EGFR T790M mutation. Cancer Biol Med 2018; 15:39-51. [PMID: 29545967 PMCID: PMC5842333 DOI: 10.20892/j.issn.2095-3941.2017.0118] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Objective: To investigate the potential of HS-10182, a second-generation epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI), as a radiosensitizer in non-small cell lung cancer (NSCLC). Methods: Two cell lines of NSCLCs, A549 that possesses wild-type (WT) EGFRs and H1975 that possesses EGFR L858R/T790M double mutations, were treated with HS-10182 at various concentrations, and cell viabilities were determined using the MTS assay. The cells were tested by clonogenic survival assays to identify the radiosensitivity of both groups. Western blot was performed to analyze the expression of phosphorylated EGFR, AKT, DNA-dependent protein kinase, and catalytic subunit (DNA-PKcs) proteins. Immunofluorescence analyses were performed to examine the formation and changes in nuclear γ-H2AX foci. Cell apoptosis was examined by flow cytometry and Western blots for cleaved caspase-3, -8, -9, and cleaved poly ADP-ribose polymerase (PARP). Furthermore, we established xenograft models in mice and the effects of different treatments on tumor growth were then assessed. Results: Clonogenic survival assays revealed that HS-10182 significantly enhanced the radiosensitivity of H1975 cells but not A549 cells [dose enhancement ratios (DERs)=2.36 (P < 0.05) vs. 1.43 (P > 0.05)]. Western blot results showed that HS-10182 increased the levels of cleaved caspase-3, -8, -9, and cleaved PARP in H1975 cells but not in A549 cells. In addition, flow cytometry analysis showed that HS-10182 enhanced irradiation-induced apoptosis in H1975. Immunofluorescence results found that HS-10182 increased the average number of γ-H2AX foci after irradiation in H1975 cells, but not in A549 cells. Combined radiation and HS-10182 treatment increased the expression of DNA-PKcs but this increase was more significant in H1975 cells than in A549 cells. Moreover, HS-10182 suppressed the increased expression of Rad50 in H1975 cells in response to irradiation. In vivo experiments found that the combined therapy significantly inhibited tumor growth.
Conclusions: HS-10182 enhances the radiosensitivity of H1975 cells which is possibly because that HS-10182 could enhance irradiation-induced apoptosis, increase irradiation-induced DNA damage, and cause a delay in DNA damage repair. Our findings suggest that radiotherapy combined HS-10182 is a novel treatment for lung cancer cells which have acquired the T790M mutation. HS-10182 could be brought to the clinic as a radiosensitizer in NSCLCs with the EGFR T790M mutation.
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Affiliation(s)
- Yang Chen
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Youyou Wang
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Lujun Zhao
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Ping Wang
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Jifeng Sun
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Rudi Bao
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Chenghai Li
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Ningbo Liu
- Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer; Key Laboratory of Cancer Prevention and Therapy, Tianjin; Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
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McGranahan T, Nagpal S. A Neuro-oncologist's Perspective on Management of Brain Metastases in Patients with EGFR Mutant Non-small Cell Lung Cancer. Curr Treat Options Oncol 2017; 18:22. [PMID: 28391420 PMCID: PMC5385200 DOI: 10.1007/s11864-017-0466-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Management of non-small cell lung cancer (NSCLC) with brain metastasis (BrM) has been revolutionized by identification of molecular subsets that have targetable oncogenes. Historically, survival for NSCLC with symptomatic BrM was weeks to months. Now, many patients are surviving years with limited data to guide treatment decisions. Tumors with activating mutations in epidermal growth factor receptor (EGFRact+) have a higher incidence of BrM, but a longer overall survival. The high response rate of both systemic and BrM EGFRact+ NSCLC to tyrosine kinase inhibitors (TKIs) has led to the rapid incorporation of new therapies but is outpacing evidence-based decisions for BrM in NSCLC. While whole brain radiation therapy (WBRT) was the foundation of management of BrM, extended survival raises concerns for the subacute and late effects radiotherapy. We favor the use of TKIs and delaying the use of WBRT when able. At inevitable disease progression, we consider alternative dosing schedules to increase CNS penetration (such as pulse dosing of erlotinib) or advance to next generation TKI if available. We utilize local control options of surgery or stereotactic radiosurgery (SRS) for symptomatic accessible lesions based on size and edema. At progression despite available TKIs, we use pemetrexed-based platinum doublet chemotherapy or immunotherapy if the tumor has high expression of PDL-1. We reserve the use of WBRT for patients with more than 10 BrM and progression despite TKI and conventional chemotherapy, if performance status is appropriate.
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Affiliation(s)
- Tresa McGranahan
- Department of Neurology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA.
| | - Seema Nagpal
- Department of Neurology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305, USA
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Zhou L, Deng L, Lu Y. Epidermal Growth Factor Receptor Mutations in Non–Small-Cell Lung Cancer With Brain Metastasis: Can Up-Front Radiation Therapy Be Deferred or Withheld? J Clin Oncol 2017; 35:1033-1035. [PMID: 28113018 DOI: 10.1200/jco.2016.71.5706] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Lin Zhou
- Lin Zhou, Lei Deng, and You Lu, West China Hospital, Sichuan University, Chengdu, China
| | - Lei Deng
- Lin Zhou, Lei Deng, and You Lu, West China Hospital, Sichuan University, Chengdu, China
| | - You Lu
- Lin Zhou, Lei Deng, and You Lu, West China Hospital, Sichuan University, Chengdu, China
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Liu J, Wu L, Wu G, Hu X, Zhou H, Chen J, Zhu M, Xu W, Tan F, Ding L, Wang Y, Shentu J. A Phase I Study of the Safety and Pharmacokinetics of Higher-Dose Icotinib in Patients With Advanced Non-Small Cell Lung Cancer. Oncologist 2016; 21:1294-1295d. [PMID: 27789778 PMCID: PMC5189627 DOI: 10.1634/theoncologist.2016-0256] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 08/15/2016] [Indexed: 12/30/2022] Open
Abstract
LESSONS LEARNED This phase I study evaluated the maximum tolerated dose, dose-limiting toxicities, safety, pharmacokinetics, and efficacy of icotinib with a starting dose of 250 mg in pretreated, advanced non-small cell lung cancer patients. We observed a maximum tolerated dose of 500 mg with a favorable pharmacokinetics profile and antitumor activity.These findings provide clinicians with evidence for application of higher-dose icotinib. BACKGROUND Icotinib, an oral epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor, has shown favorable tolerability and antitumor activity at 100-200 mg in previous studies without reaching the maximum tolerated dose (MTD). In July 2011, icotinib was approved by the China Food and Drug Administration at a dose of 125 mg three times daily for the treatment of patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) after failure of at least one platinum-based chemotherapy regimen. This study investigated the MTD, tolerability, and pharmacokinetics of higher-dose icotinib in patients with advanced NSCLC. METHODS Twenty-six patients with advanced NSCLC were treated at doses of 250-625 mg three times daily The EGFR mutation test was not mandatory in this study. RESULTS Twenty-four (92.3%) of 26 patients experienced at least one adverse event (AE); rash (61.5%), diarrhea (23.1%), and oral ulceration (11.5%) were most frequent AEs. Dose-limiting toxicities were seen in 2 of 6 patients in the 625-mg group, and the MTD was established at 500 mg. Icotinib was rapidly absorbed and eliminated. The amount of time that the drug was present at the maximum concentration in serum (Tmax) ranged from 1 to 3 hours (1.5-4 hours) after multiple doses. The t1/2 was similar after single- and multiple-dose administration (7.11 and 6.39 hours, respectively). A nonlinear relationship was observed between dose and drug exposure. Responses were seen in 6 (23.1%) patients, and 8 (30.8%) patients had stable disease. CONCLUSION This study demonstrated that higher-dose icotinib was well-tolerated, with a MTD of 500 mg. Favorable antitumor activity and pharmacokinetic profile were observed in patients with heavily pretreated, advanced NSCLC.
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Affiliation(s)
- Jian Liu
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Lihua Wu
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Guolan Wu
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Xingjiang Hu
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Huili Zhou
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Junchun Chen
- Department of Education, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Meixiang Zhu
- Department of Education, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Wei Xu
- Department of Education, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
| | - Fenlai Tan
- Betta Pharmaceuticals Co., Ltd. Hangzhou, People's Republic of China
| | - Lieming Ding
- Betta Pharmaceuticals Co., Ltd. Hangzhou, People's Republic of China
| | - Yinxiang Wang
- Betta Pharmaceuticals Co., Ltd. Hangzhou, People's Republic of China
| | - Jianzhong Shentu
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China
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Khalifa J, Amini A, Popat S, Gaspar LE, Faivre-Finn C. Brain Metastases from NSCLC: Radiation Therapy in the Era of Targeted Therapies. J Thorac Oncol 2016; 11:1627-43. [PMID: 27343440 DOI: 10.1016/j.jtho.2016.06.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 06/02/2016] [Accepted: 06/09/2016] [Indexed: 02/07/2023]
Abstract
Brain metastases (BMs) will develop in a large proportion of patients with NSCLC throughout the course of their disease. Among patients with NSCLC with oncogenic drivers, mainly EGFR activating mutations and anaplastic lymphoma receptor tyrosine kinase gene (ALK) rearrangements, the presence of BM is a common secondary localization of disease both at the time of diagnosis and at relapse. Because of the limited penetration of a wide range of drugs across the blood-brain barrier, radiotherapy is considered the cornerstone of treatment of BMs. However, evidence of dramatic intracranial response rates has been reported in recent years with targeted therapies such as tyrosine kinase inhibitors and has been supported by new insights into pharmacokinetics to increase rates of tyrosine kinase inhibitors' penetration of the cerebrospinal fluid (CSF). In this context, the combination of brain radiotherapy and targeted therapies seems relevant, and there is a strong radiobiological rationale to harness the radiosentizing effect of the drugs. Nevertheless, to date, there is a paucity of high-level clinical evidence supporting the combination of brain radiotherapy and targeted therapies in patients with NSCLC and BMs, and there are often methodological biases in reported studies, such as the lack of stratification by mutation status. Moreover, among asymptomatic patients not suitable for ablative treatment, this strategy is challenged by the promising results associated with the administration of targeted therapies alone. Herein, we review the biological rationale to combine targeted therapies and brain radiotherapy for patients with NSCLC and BMs, report the clinical data available to date, and discuss future directions to improve outcome in this group of patients.
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Affiliation(s)
- Jonathan Khalifa
- Radiotherapy Related Research, The Christie National Health Service Foundation Trust, Manchester, United Kingdom.
| | - Arya Amini
- Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, Colorado
| | - Sanjay Popat
- Lung Cancer Unit, Royal Marsden Hospital, London, United Kingdom
| | - Laurie E Gaspar
- Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, Colorado
| | - Corinne Faivre-Finn
- Radiotherapy Related Research, The Christie National Health Service Foundation Trust, Manchester, United Kingdom; Manchester Academic Health Science Centre, Institute of Cancer Sciences, Manchester Cancer Research Centre, The University of Manchester, Manchester, United Kingdom
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27
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Liu G, Zhang X, Tian C, Xia G, Liu P, Zhang Q, Li X, Zhang H, Qin N, Wang J, Zhang S. [Timing of Whole Brain Radiotherapy on Survival of Patients with EGFR-mutated
Non-small Cell Lung Cancer and Brain Metastases]. ZHONGGUO FEI AI ZA ZHI = CHINESE JOURNAL OF LUNG CANCER 2016; 19:501-7. [PMID: 27561798 PMCID: PMC5972982 DOI: 10.3779/j.issn.1009-3419.2016.08.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND There is no high-level evidence for the time of whole brain radiotherapy (WBRT) for patients with epidermal growth factor receptor (EGFR)-mutated non-small cell lung cancer (NSCLC) and brain metastases. The aim of this study is to assess the appropriate timing of WBRT for patients with EGFR-mutated NSCLC and brain metastases (BM). METHODS There were 78 patients diagnosed with EGFR-mutated NSCLC and BM in Beijing Chest Hospital between August 2009 and May 2015. 48 untreated patients who received both WBRT and EGFR-tyrosine kinase inhibitors (TKIs) therapy. Prognostic factors of intracranial progression-free survival (PFS) and overall survival (OS) were identified by Cox proportional hazards modeling. RESULTS Intracranial objective response rate was 81.3% and disease control rate was 93.8%. Median intracranial PFS was 10 months. Median OS was 18 months. Multivariate analysis of intracranial PFS revealed that Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1 (HR=30.436, 95%CI: 4.721-196.211, P<0.001) and early WBRT (HR=3.663, 95%CI: 1.657-8.098, P=0.001) had a better intracranial PFS. Multivariate analysis of OS revealed that PS 0-1 (HR=57.607, 95%CI: 6.135-540.953, P<0.001), early WBRT (HR=2.757, 95%CI: 1.140-6.669, P=0.024), and stereotactic radiosurgery (HR=5.964, 95%CI: 1.895-18.767, P=0.002) were independent prognostic factors of OS. CONCLUSIONS Early WBRT combined with EGFR-TKIs can improve outcomes of patients with EGFR-mutated NSCLC and BM, but it needs to be confirmed by large-sample-size and multicenter prospective clinical trials.
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Affiliation(s)
- Guimei Liu
- Department of Radiotherapy, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Xinyong Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Cuimeng Tian
- Department of Radiotherapy, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Guangrong Xia
- Department of Radiotherapy, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Ping Liu
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Quan Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Xi Li
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Hui Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Na Qin
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Jinghui Wang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Shucai Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medicine University, Beijing
Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
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