1
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Tydings CW, Singh B, Smith AW, Ledwitch KV, Brown BP, Lovly CM, Walker AS, Meiler J. Analysis of EGFR binding hotspots for design of new EGFR inhibitory biologics. Protein Sci 2024; 33:e5141. [PMID: 39275996 PMCID: PMC11400634 DOI: 10.1002/pro.5141] [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: 02/29/2024] [Revised: 07/19/2024] [Accepted: 07/25/2024] [Indexed: 09/16/2024]
Abstract
The epidermal growth factor (EGF) receptor (EGFR) is activated by the binding of one of seven EGF-like ligands to its ectodomain. Ligand binding results in EGFR dimerization and stabilization of the active receptor conformation subsequently leading to activation of downstream signaling. Aberrant activation of EGFR contributes to cancer progression through EGFR overexpression/amplification, modulation of its positive and negative regulators, and/or activating mutations within EGFR. EGFR targeted therapeutic antibodies prevent dimerization and interaction with endogenous ligands by binding the ectodomain of EGFR. However, these antibodies have had limited success in the clinic, partially due to EGFR ectodomain resistance mutations, and are only applicable to a subset of patients with EGFR-driven cancers. These limitations suggest that alternative EGFR targeted biologics need to be explored for EGFR-driven cancer therapy. To this end, we analyze the EGFR interfaces of known inhibitory biologics with determined structures in the context of endogenous ligands, using the Rosetta macromolecular modeling software to highlight the most important interactions on a per-residue basis. We use this analysis to identify the structural determinants of EGFR targeted biologics. We suggest that commonly observed binding motifs serve as the basis for rational design of new EGFR targeted biologics, such as peptides, antibodies, and nanobodies.
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Affiliation(s)
- Claiborne W Tydings
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA
- Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, USA
| | - Bhuminder Singh
- Department of Medicine - Division of Gastroenterology, Hepatology, and Nutrition, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Adam W Smith
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, USA
| | - Kaitlyn V Ledwitch
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA
- Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, USA
| | - Benjamin P Brown
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA
- Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, USA
| | - Christine M Lovly
- Department of Medicine - Division of Hematology and Oncology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Allison S Walker
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA
- Department of Biological Sciences, Vanderbilt University, Nashville, Tennessee, USA
| | - Jens Meiler
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA
- Center for Structural Biology, Vanderbilt University, Nashville, Tennessee, USA
- Institute for Drug Discovery, Leipzig University Medical School, Leipzig, SAC, Germany
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2
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Panahi Y, Mohammadzadeh AH, Behnam B, Orafai HM, Jamialahmadi T, Sahebkar A. A Review of Monoclonal Antibody-Based Treatments in Non-small Cell Lung Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1286:49-64. [PMID: 33725344 DOI: 10.1007/978-3-030-55035-6_3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Non-small cell lung cancer (NSCLC) is one of the most common types of lung cancer worldwide. It metastasizes rapidly and has a poor prognosis. The first-line treatment for most patients is a combination of chemotherapy and radiation. In many subjects, using targeted treatments alongside chemoradiation has shown a better outcome in terms of progression and quality of life for patients. These targeted treatments include small biological inhibiting molecules and monoclonal antibodies. In this review, we have assessed studies focused upon the treatment of non-small cell lung cancer. Some therapies are approved, such as bevacizumab and atezolizumab, while some are still in clinical trials, such as ficlatuzumab and ipilimumab, and others have been rejected due to inadequate disease control, such as figitumumab.
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Affiliation(s)
- Yunes Panahi
- Pharmacotherapy Department, Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Amir Hossein Mohammadzadeh
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Behzad Behnam
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.,Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran.,Faculty of Pharmacy, Department of Pharmaceutical Biotechnology, Kerman University of Medical Sciences, Kerman, Iran
| | - Hossein M Orafai
- Faculty of Pharmacy, Department of Pharmaceutics, University of Ahl Al Bayt, Karbala, Iraq.,Faculty of Pharmacy, Department of Pharmaceutics, Al-Zahraa University, Karbala, Iraq
| | - Tannaz Jamialahmadi
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran.,Faculty of Medicine, Department of Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. .,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland.
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3
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A Third Shot at EGFR: New Opportunities in Cancer Therapy. Trends Pharmacol Sci 2019; 40:941-955. [DOI: 10.1016/j.tips.2019.10.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 10/11/2019] [Accepted: 10/15/2019] [Indexed: 02/07/2023]
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4
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Van Der Weijst L, Lievens Y, Schrauwen W, Surmont V. Health-Related Quality of Life in Advanced Non-small Cell Lung Cancer: A Methodological Appraisal Based on a Systematic Literature Review. Front Oncol 2019; 9:715. [PMID: 31456938 PMCID: PMC6699450 DOI: 10.3389/fonc.2019.00715] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 07/18/2019] [Indexed: 12/24/2022] Open
Abstract
Background: The majority of lung cancer patients are diagnosed with advanced non-small cell lung cancer (NSCLC), the bulk of which receive palliative systemic treatment with the goal to provide effective symptom palliation and safeguard health-related quality of life (HRQoL). Advanced NSCLC trials with HRQoL endpoints face methodological constraints limiting interpretability. Objectives: We provide a comprehensive overview of recent clinical trials evaluating the impact of systemic therapies on HRQoL in advanced NSCLC, focusing on the methodological quality, with the ultimate goal to improve interpretation, comparison and reporting of HRQoL data. Methods: A systematic literature review was performed. Prospective studies published over the last decade evaluating the impact of systemic treatments on HRQoL in advanced NSCLC were included. Methodological quality of HRQoL reporting was assessed with the CONSORT-PRO extension. Results: Hundred-twelve manuscripts describing 85 trials met all criteria. No formal conclusion can be drawn regarding the impact on HRQoL of different treatments. We report an important variety in methodological quality in terms of definitions of HRQoL, missing data points, lack of standardization of analyzing and presenting HRQoL and no standard follow-up time. The quality of HRQoL data reporting varies substantially between studies but improves over time. Conclusion: This review shows that in the heterogeneous landscape of trials addressing HRQoL in advanced stage NSCLC. Methodology reporting remains generally poor. Adequate reporting of HRQoL outcome data is equally important to support clinical decision-making as to correctly inform health policy regarding direct approval and reimbursement of the new drugs and combinations that will come online.
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Affiliation(s)
| | - Yolande Lievens
- Department of Radiotherapy-Oncology, Ghent University Hospital, Ghent, Belgium
| | - Wim Schrauwen
- Department of Medical Oncology, Ghent University Hospital, Ghent, Belgium
| | - Veerle Surmont
- Department of Thoracic Oncology, Ghent University Hospital, Ghent, Belgium
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5
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Abstract
INTRODUCTION Epidermal Growth Factor Receptor (EGFR)-dependent signaling plays a crucial role in epithelial cancer biology, and dictated the development of several targeting agents. The mouse-human chimeric antibody Cetuximab was among the first to be developed. After about two decades of clinical research it has gained a significant place in the management of advanced colorectal and head and neck cancers, whereas its development in non small cell lung cancer (NSCLC) has not led to a place in routine clinical practice, because of marginal clinical benefit despite statistically significant Phase III trials. Recent data from ongoing trials suggest that more careful selection based on molecular markers may identify good responders. Areas covered: In this article, the authors review the literature concerning basic science studies identifying EGFR as a therapeutic target, pharmacological development of Cetuximab, its pharmacodynamics and pharmacokinetics, and clinical trials on Cetuximab in NSCLC, focusing on recent findings on putative predictive biomarkers. Expert opinion: Cetuximab currently has no role in NSCLC treatment outside of research settings. We argue that failure to identify a predictive biomarker early on has hampered its chances to enter routine practice. Although recent research suggests benefit in highly selected patient subsets, its potential impact is severely dampened by lack of regulatory body approval and the emergence of competitors for the same niches.
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Affiliation(s)
- Luca Mazzarella
- a University of Milano, Department of Oncology and Hemato-Oncology, Division of Early Drug Development for Innovative Therapies , European Institute of Oncology , Milano , Italia
| | - Alessandro Guida
- a University of Milano, Department of Oncology and Hemato-Oncology, Division of Early Drug Development for Innovative Therapies , European Institute of Oncology , Milano , Italia
| | - Giuseppe Curigliano
- a University of Milano, Department of Oncology and Hemato-Oncology, Division of Early Drug Development for Innovative Therapies , European Institute of Oncology , Milano , Italia
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6
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Díaz-Serrano A, Sánchez-Torre A, Paz-Ares L. Necitumumab for the treatment of advanced non-small-cell lung cancer. Future Oncol 2018; 15:705-716. [PMID: 30501503 DOI: 10.2217/fon-2018-0594] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Personalized patient-precise medicine is being gradually incorporated into clinical practice for the treatment of non-small-cell lung cancer (NSCLC). The EGFR pathway has been explored as a druggable target with monoclonal antibodies such as cetuximab or necitumumab. Necitumumab is a humanized IgG1 anti-EGFR. In the Phase III SQUIRE trial, necitumumab used as first-line therapy in combination with cisplatin and gemcitabine showed a reduction in risk-of-death and a better disease control rate in advanced squamous NSCLC. Thus, necitumumab is now a new first-line treatment option in squamous NSCLC. However, further biomarker research is needed to improve patient selection. Moreover, necitumumab associated with other immunotherapy and targeted agents is currently an important area of research that may yield better outcomes for NSCLC patients.
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Affiliation(s)
- Asunción Díaz-Serrano
- Medical Oncology Department, Hospital Universitario 12 de Octubre. Madrid, Spain.,Lung Cancer Group, Clinical Research Program, Centro Nacional de Investigaciones Oncológicas (CNIO), Madrid, Spain
| | - Ana Sánchez-Torre
- Medical Oncology Department, Hospital Universitario 12 de Octubre. Madrid, Spain
| | - Luis Paz-Ares
- Medical Oncology Department, Hospital Universitario 12 de Octubre. Madrid, Spain.,Lung Cancer Group, Clinical Research Program, Centro Nacional de Investigaciones Oncológicas (CNIO), Madrid, Spain.,Universidad Complutense de Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
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7
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Agustoni F, Suda K, Yu H, Ren S, Rivard CJ, Ellison K, Caldwell C, Rozeboom L, Brovsky K, Hirsch FR. EGFR-directed monoclonal antibodies in combination with chemotherapy for treatment of non-small-cell lung cancer: an updated review of clinical trials and new perspectives in biomarkers analysis. Cancer Treat Rev 2018; 72:15-27. [PMID: 30445271 DOI: 10.1016/j.ctrv.2018.08.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 07/30/2018] [Accepted: 08/03/2018] [Indexed: 02/08/2023]
Abstract
Lung cancer still represents one of the most common and fatal neoplasm, accounting for nearly 30% of all cancer-related deaths. Targeted therapies based on molecular tumor features and programmed death-1 (PD-1)/programmed death ligand-1 (PDL-1) blockade immunotherapy have offered new therapeutic options for patients with advanced non-small-cell lung cancer (NSCLC). Activation of the epidermal growth factor receptor (EGFR)-pathway promotes tumor growth and progression, including angiogenesis, invasion, metastasis and inhibition of apoptosis, providing a strong rationale for targeting this pathway. EGFR expression is detected in up to 85% of NSCLC and has been demonstrated to be associated with poor prognosis. Two approaches for blocking EGFR signaling are available: prevention of ligand binding to the extracellular domain with monoclonal antibodies (mAbs) and inhibition of the intracellular tyrosine kinase activity with small molecules. There is a strong rationale to consider the tumor's level of EGFR expression as one of the most significant predictive biomarkers in this setting. In this paper we provide an update focusing on the current status of EGFR-directed mAbs use for the treatment of patients with advanced NSCLC, through a review of all clinical trials involving anti-EGFR mAbs in combination with chemotherapy (CT) for advanced disease and with chemo-radiotherapy for stage III disease. Here we also discuss the current status of predictive biomarkers for anti-EGFR mAbs when added to first-line CT in patients with advanced NSCLC. Finally, we focused on the relevance of EGFR fluorescence in situ hybridization (FISH)+ and immunohistochemistry (IHC)-Score ≥ 200 as predictive biomarkers for the selection of patients who would be most likely to derive a clinical benefit from treatment with CT in combination with anti-EGFR mAbs, with particular reference also to histology.
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Affiliation(s)
- Francesco Agustoni
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Kenichi Suda
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States; Division of Thoracic Surgery, Department of Surgery, Kindai University, Faculty of Medicine, Osaka-Sayama, Japan
| | - Hui Yu
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Shengxiang Ren
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States; Department of Medical Oncology, Shanghai Pulmonary Hospital and Thoracic Cancer Institute, Tongji University School of Medicine, Shanghai, China
| | - Christopher J Rivard
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Kim Ellison
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Charles Caldwell
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Leslie Rozeboom
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Kristine Brovsky
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Fred R Hirsch
- Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.
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8
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Moradi-Kalbolandi S, Hosseinzade A, Salehi M, Merikhian P, Farahmand L. Monoclonal antibody-based therapeutics, targeting the epidermal growth factor receptor family: from herceptin to Pan HER. J Pharm Pharmacol 2018; 70:841-854. [DOI: 10.1111/jphp.12911] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/25/2018] [Indexed: 12/30/2022]
Abstract
Abstract
Objectives
Monoclonal antibody-based of cancer therapy has been considered as one of the most successful therapeutic strategies for both haematologic malignancies and solid tumours in the last two decades. Epidermal growth factor receptor (EGFR) family signalling pathways play a key role in the regulation of cell proliferation, survival and differentiation. Hence, anti-EGFR family mAbs is one of the most promising approaches in cancer therapy.
Key findings
Here, recent advances in anti-EGFR mAb including approved or successfully tested in preclinical and clinical studies have been reviewed. Although we focus on monoclonal antibodies against the EGF receptor, but the mechanisms underlying the effects of EGFR-specific mAb in cancer therapy, to some extend the resistance to existing anti-EGFR therapies and some therapeutic strategies to overcome resistance such as combination of mAbs on different pathways are briefly discussed as well.
Summary
The EGFR family receptors, is considered as an attractive target for mAb development to inhibit their consecutive activities in tumour growth and resistance. However, due to resistance mechanisms, the combination therapies may become a good candidate for targeting EGFR family receptors.
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Affiliation(s)
- Shima Moradi-Kalbolandi
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Aysooda Hosseinzade
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Malihe Salehi
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Parnaz Merikhian
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Leila Farahmand
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
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9
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Risk of fatigue in cancer patients receiving anti-EGFR monoclonal antibodies: results from a systematic review and meta-analysis of randomized controlled trial. Int J Clin Oncol 2017; 23:389-399. [PMID: 29181651 DOI: 10.1007/s10147-017-1218-7] [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: 09/06/2017] [Accepted: 11/18/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND To evaluate the association between fatigue and anti-epidermal growth factor receptor monoclonal antibodies (anti-EGFR MAbs), we conducted the first meta-analysis to access the incidence and risk of fatigue associated with anti-EGFR MAbs. METHODS Electronic databases were searched for randomized controlled trials (RCTs) published up to February 2017. Eligible studies were selected according to PRISMA statement. Incidence rates, risk ratio (RRs), and 95% confidence intervals (CIs) were calculated using fixed-effects or random-effects models. Outcomes of quality were summarized in accordance with the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) methodology. RESULTS Thirty-five RCTs (including 15,622 patients) were included; median follow-up ranged from 8.1 to 71.4 months, and the fatigue events were recorded and graded according to the Common Toxicity Criteria for Adverse Events version 2.0 or 3.0 in most of the included trials. For patients receiving anti-EGFR MAbs, the overall incidence of all-grade and high-grade fatigue was 54.1% and 10.5%, respectively. Compared with control, anti-EGFR MAbs significantly increased the risk of all-grade fatigue (RR 1.10, 95% CI, 1.05-1.14, moderate-quality evidence) and high-grade fatigue (RR 1.31, 95% CI, 1.19-1.45, moderate-quality evidence). No significant differences among subgroup analyses (anti-EGFR MAbs, tumor type, and median follow-up) on high-grade fatigue were observed. No evidence of publication bias was observed. CONCLUSION The present study suggested that anti-EGFR MAbs may increase the risk of fatigue in cancer patients.
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10
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Soldera SV, Leighl NB. Update on the Treatment of Metastatic Squamous Non-Small Cell Lung Cancer in New Era of Personalized Medicine. Front Oncol 2017; 7:50. [PMID: 28396848 PMCID: PMC5366319 DOI: 10.3389/fonc.2017.00050] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 03/09/2017] [Indexed: 12/26/2022] Open
Abstract
Despite advances in molecular characterization and lung cancer treatment in recent years, treatment options for patients diagnosed with squamous cell carcinoma of the lung (SCC) remain limited as actionable mutations are rarely detected in this subtype. This article reviews potential molecular targets and associated novel agents for the treatment of advanced SCC in the era of personalized medicine. Elements of various pathways including epidermal growth factor receptor, PI3KCA, fibroblast growth factor receptor, retinoblastoma, cyclin-dependent kinases, discoidin domain receptor tyrosine kinase 2, and mesenchymal-to-epithelial transition may play pivotal roles in the development of SCC and are under investigation for drug development.
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Affiliation(s)
| | - Natasha B. Leighl
- Division of Medical Oncology, Princess Margaret Cancer Centre, Toronto, ON, Canada
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11
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Tomasini P, Barlesi F, Mascaux C, Greillier L. Pemetrexed for advanced stage nonsquamous non-small cell lung cancer: latest evidence about its extended use and outcomes. Ther Adv Med Oncol 2016; 8:198-208. [PMID: 27239238 DOI: 10.1177/1758834016644155] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) is still the leading cause of cancer-related death, and the treatment of advanced NSCLC relies on systemic treatments. During the last decade, pemetrexed, an antifolate agent, gradually became a key component of the treatment for patients with advanced nonsquamous NSCLC. It has indeed been shown to be efficient for first-line, maintenance and second- or third-line treatment in this subgroup of NSCLC. Moreover, it is usually well tolerated, with few grade 3 and 4 toxicities. Several studies have tried to identify predictive biomarkers of pemetrexed efficacy. Due to pemetrexed's mechanism of action, thymidilate synthase expression predictive value was investigated but could not be demonstrated. Currently, more than 400 trials of pemetrexed for the treatment of nonsquamous NSCLC are ongoing.
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Affiliation(s)
- Pascale Tomasini
- Aix Marseille University, Assistance Publique Hôpitaux de Marseille, Department of Multidisciplinary Oncology & Therapeutic Innovations, Marseille, France
| | - Fabrice Barlesi
- Aix Marseille University, Assistance Publique Hôpitaux de Marseille, Department of Multidisciplinary Oncology & Therapeutic Innovations, Marseille, France
| | - Celine Mascaux
- Aix Marseille University, Assistance Publique Hôpitaux de Marseille, Department of Multidisciplinary Oncology & Therapeutic Innovations, Marseille, France
| | - Laurent Greillier
- Aix Marseille University, Assistance Publique Hôpitaux de Marseille, Department of Multidisciplinary Oncology & Therapeutic Innovations, Marseille, France
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12
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Simon N, FitzGerald D. Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers. Toxins (Basel) 2016; 8:toxins8050137. [PMID: 27153091 PMCID: PMC4885052 DOI: 10.3390/toxins8050137] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 04/20/2016] [Accepted: 04/22/2016] [Indexed: 12/17/2022] Open
Abstract
Many epithelial cancers rely on enhanced expression of the epidermal growth factor receptor (EGFR) to drive proliferation and survival pathways. Development of therapeutics to target EGFR signaling has been of high importance, and multiple examples have been approved for human use. However, many of the current small molecule or antibody-based therapeutics are of limited effectiveness due to the inevitable development of resistance and toxicity to normal tissues. Recombinant immunotoxins are therapeutic molecules consisting of an antibody or receptor ligand joined to a protein cytotoxin, combining the specific targeting of a cancer-expressed receptor with the potent cell killing of cytotoxic enzymes. Over the decades, many bacterial- or plant-based immunotoxins have been developed with the goal of targeting the broad range of cancers reliant upon EGFR overexpression. Many examples demonstrate excellent anti-cancer properties in preclinical development, and several EGFR-targeted immunotoxins have progressed to human trials. This review summarizes much of the past and current work in the development of immunotoxins for targeting EGFR-driven cancers.
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Affiliation(s)
- Nathan Simon
- Biotherapy Section, Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 9000 Rockville Pike, 37/5124 Bethesda, MD 20892, USA.
| | - David FitzGerald
- Biotherapy Section, Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 9000 Rockville Pike, 37/5124 Bethesda, MD 20892, USA.
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13
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Bluthgen MV, Besse B. Second-line combination therapies in nonsmall cell lung cancer without known driver mutations. Eur Respir Rev 2015; 24:582-93. [PMID: 26621972 PMCID: PMC9487623 DOI: 10.1183/16000617.00002115] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 03/30/2015] [Indexed: 11/28/2022] Open
Abstract
In advanced nonsmall cell lung cancer (NSCLC) patients, platinum-based combination chemotherapy is standard treatment in the first-line setting; however, the large majority of patients ultimately progress. For more than a decade, single-agent therapy with docetaxel, pemetrexed or erlotinib has been the standard of care after failure with platinum salts, showing some benefit over best supportive care. Nonetheless, prognosis remains poor and new second-line strategies are urgently needed. Combinations of cytotoxic agents, including rechallenge with platinum salts, do not offer clear benefit over single-agent therapy for the majority of patients. In patients without a known tumoural oncogenic driver mutation, regimens based on combinations of targeted agents have shown promising results; however, a clear role in therapeutic management is yet to be established. Some success has been reported in recent research combining a cytotoxic agent with targeted therapies.In this review, we summarise published data for the various strategies evaluated over the past decade in second-line treatment of NSCLC patients without a known driver mutation. We focus on combination treatments and consider future perspectives, including the need to identify predictive markers to support personalised therapeutic strategies.
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Affiliation(s)
| | - Benjamin Besse
- Dept of Cancer Medicine, Gustave Roussy, Villejuif, France
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14
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Kanthala S, Pallerla S, Jois S. Current and future targeted therapies for non-small-cell lung cancers with aberrant EGF receptors. Future Oncol 2015; 11:865-78. [PMID: 25757687 DOI: 10.2217/fon.14.312] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Expression of the EGF receptors (EGFRs) is abnormally high in many types of cancer, including 25% of lung cancers. Successful treatments target mutations in the EGFR tyrosine kinase domain with EGFR tyrosine kinase inhibitors (TKIs). However, almost all patients develop resistance to this treatment, and acquired resistance to first-generation TKI has prompted the clinical development of a second generation of EGFR TKI. Because of the development of resistance to treatment of TKIs, there is a need to collect genomic information about EGFR levels in non-small-cell lung cancer patients. Herein, we focus on current molecular targets that have therapies available as well as other targets for which therapies will be available in the near future.
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Affiliation(s)
- Shanthi Kanthala
- Basic Pharmaceutical Sciences, School of Pharmacy, University of Louisiana at Monroe, Monroe, LA 71201, USA
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15
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Epidermal growth factor receptor-directed monoclonal antibodies in nonsmall cell lung cancer: an update. Curr Opin Oncol 2015; 27:87-93. [PMID: 25636162 DOI: 10.1097/cco.0000000000000162] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The epidermal growth factor receptor (EGFR) is overexpressed in many nonsmall cell lung cancers (NSCLCs). Blockade of EGFR by monoclonal antibodies has been studied as a strategy to improve the outcome of first-line chemotherapy in patients with NSCLC. The present review updates the findings from phase III trials. RECENT FINDINGS Cetuximab improved survival when combined with first-line chemotherapy and this benefit was limited to patients with high EGFR expression in their tumors. A Southwest Oncology Group study currently prospectively evaluates the predictive biomarkers for cetuximab. In the SQUIRE phase III trial, necitumumab added to cisplatin and gemcitabine increased the survival in patients with advanced squamous cell NSCLC. The INSPIRE trial studied chemotherapy with and without necitumumab in patients with nonsquamous NSCLC but was prematurely halted because of increased thromboembolic events with chemotherapy and necitumumab. SUMMARY EGFR monoclonal antibodies improved the outcome including survival in selected patients with advanced NSCLC. Prospective validation of predictive biomarkers is ongoing.
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Sheng J, Yang YP, Zhao YY, Qin T, Hu ZH, Zhou T, Zhang YX, Hong SD, Ma YX, Zhao HY, Huang Y, Zhang L. The Efficacy of Combining EGFR Monoclonal Antibody With Chemotherapy for Patients With Advanced Nonsmall Cell Lung Cancer: A Meta-Analysis From 9 Randomized Controlled Trials. Medicine (Baltimore) 2015; 94:e1400. [PMID: 26313787 PMCID: PMC4602912 DOI: 10.1097/md.0000000000001400] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Although epidermal growth factor receptor (EGFR) monoclonal antibodies (mAbs) have been proved synergistic effect when combined with cytotoxic agents for advanced nonsmall cell lung cancer (NSCLC), the results of relevant clinical trials remain controversial. The purpose of this meta-analysis was to assess the advantage and toxicity profile of chemotherapy plus EGFR-mAbs versus chemotherapy alone for patients with NSCLC.We rigorously searched electronic databases for eligible studies reporting EGFR-mAbs combined with chemotherapy versus chemotherapy alone for patients with advanced NSCLC. The primary outcome was overall survival (OS). Pooled results were calculated using proper statistical methods.Nine phase II/III randomized controlled trials involved a total of 4949 participants were included. In general, compared with chemotherapy alone, the addition of EGFR-mAbs significantly improved OS (hazard ratio [HR] = 0.91, 95% confidence interval [CI]: 0.86-0.97, P = 0.006), progression-free survival (HR = 0.83, 95% CI: 0.87-0.98, P = 0.01), response rate (odd ratio [OR] = 1.28, 95% CI: 1.12-1.47, P = 0.0003), and disease control rate (OR = 1.17, 95% CI: 1.01-1.36, P = 0.04). Subgroup analysis showed that apparent OS benefit present in patients with squamous NSCLC (HR = 0.83, 95% CI: 0.74-0.93, P = 0.001), and those treatment-naive population (HR = 0.88, 95% CI: 0.82-0.95, P = 0.0006). Several manageable adverse events were markedly increased by EGFR-mAbs, such as acne-like rash, infusion reactions, and diarrhea. The risk for some ≥Grade 3 toxicities, such as leukopenia, febrile neutropenia, and thromboembolic events were slightly increased by the addition of EGFR-mAbs. In general, the toxicities of the combination strategy were tolerable and manageable.The addition of EGFR-mAbs to chemotherapy provided superior clinical benefit along with acceptable toxicities to patients with advanced NSCLC, especially those harboring squamous cancer and treatment-naive. Further validation in front-line investigation, proper selection of the potential benefit population by tumor histology, and development of prognostic biomarkers are warranted for future research and clinical application of EGFR-mAbs.
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Affiliation(s)
- Jin Sheng
- From the Department of Medical Oncology, Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, P.R. China
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Stinchcombe TE, Borghaei H, Barker SS, Treat JA, Obasaju C. Pemetrexed With Platinum Combination as a Backbone for Targeted Therapy in Non-Small-Cell Lung Cancer. Clin Lung Cancer 2015; 17:1-9. [PMID: 26340853 DOI: 10.1016/j.cllc.2015.07.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/01/2015] [Accepted: 07/21/2015] [Indexed: 11/29/2022]
Abstract
Standard platinum-based chemotherapy combinations for advanced non-small-cell lung cancer (NSCLC) have reached a plateau in terms of the survival benefit they offer for patients. In addition, the emerging clinical trend of tailored treatment based on patient characteristics has led to the development of therapeutic strategies that target specific cancer-related molecular pathways, including epidermal growth factor receptor (EGFR), angiogenesis, and anaplastic lymphoma kinase inhibitors. Current research is focused on combining targeted therapy with platinum-based chemotherapy in an endeavor to achieve an additional benefit in specific patient populations. Currently, pemetrexed is indicated for use in the first-line, maintenance, and second-line settings for the treatment of nonsquamous NSCLC. The combination of pemetrexed and cisplatin is well tolerated and is the approved standard first-line therapy. Thus, the pemetrexed-platinum backbone provides an attractive option for combination with targeted therapies. This review aims to summarize the current knowledge and future prospects of the use of pemetrexed-platinum as a backbone for combination with targeted therapies for NSCLC.
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Affiliation(s)
- Thomas E Stinchcombe
- Division of Hematology/Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC.
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18
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Zhong A, Xiong X, Shi M, Xu H. The efficacy and safety of pemetrexed-based doublet therapy compared to pemetrexed alone for the second-line treatment of advanced non-small-cell lung cancer: an updated meta-analysis. Drug Des Devel Ther 2015; 9:3685-93. [PMID: 26229433 PMCID: PMC4516195 DOI: 10.2147/dddt.s88218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Pemetrexed is currently recommended as the second-line treatment for patients with advanced non-small-cell lung cancer (NSCLC). However, it is unclear whether pemetrexed-based doublet therapy improves treatment efficacy and safety. Thus, this meta-analysis was performed to resolve this controversial question. Methods Electronic databases, including PubMed, Embase, and the Cochrane Central Register of Controlled Trials were searched for relevant articles before April 2015. Hazard ratios (HRs) were used to estimate overall survival (OS) and progression-free survival (PFS), and odds ratios (ORs) were used to analyze the overall response rate (ORR) and grade ≥3 toxicities. Subgroup analysis, sensitivity analysis, and publication bias were also evaluated. Results A total of 2,519 patients from ten randomized controlled trials were included. Compared to pemetrexed alone, PFS and ORR significantly improved in the pemetrexed-based doublet group (HR, 0.86; 95% CI [confidence interval], 0.75–0.99; P=0.038; and OR, 1.98; 95% CI, 1.25–3.12; P=0.003, respectively). However, no statistically significant differences in OS were observed between groups (HR, 0.92; 95% CI, 0.83–1.02; P=0.132). In addition, subgroup analyses indicated that improved OS was only observed in nonsquamous NSCLC patients who received the combination of pemetrexed and erlotinib. An increasing incidence of grade ≥3 neutropenia and thrombocytopenia was observed in the pemetrexed-based doublet group. Conclusion Among patients with advanced NSCLC, pemetrexed-based doublet treatment tended to be associated with improved PFS, ORR, and increased toxicity, but not OS.
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Affiliation(s)
- Anyuan Zhong
- Department of Respiratory Diseases, the Second Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
| | - Xiaolu Xiong
- Department of Endocrinology, Drum Tower Clinical Medical College of Nanjing Medical University, Nanjing, People's Republic of China
| | - Minhua Shi
- Department of Respiratory Diseases, the Second Affiliated Hospital of Soochow University, Suzhou, People's Republic of China
| | - Huajun Xu
- Department of Otolaryngology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, People's Republic of China
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Greillier L, Tomasini P, Barlesi F. Necitumumab for non-small cell lung cancer. Expert Opin Biol Ther 2015; 15:1231-9. [DOI: 10.1517/14712598.2015.1055243] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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20
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Pirker R, Filipits M. Cetuximab in non-small-cell lung cancer. Transl Lung Cancer Res 2015; 1:54-60. [PMID: 25806155 DOI: 10.3978/j.issn.2218-6751.11.01] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Accepted: 11/24/2011] [Indexed: 11/14/2022]
Abstract
Cetuximab is a chimeric monoclonal antibody that is directed towards the epidermal growth factor receptor (EGFR). It has been evaluated in combination with first-line chemotherapy in several phase II and two phase III trials in patients with advanced NSCLC. The phase III FLEX trial demonstrated improved survival for cetuximab combined with cisplatin plus vinorelbine compared to chemotherapy alone. The BMS099 trial failed to show a significant improvement in progression-free survival but resulted in a hazard ratio for death similar to the one seen in the FLEX trial. A meta-analysis of four randomized trials confirmed the efficacy of cetuximab when added to chemotherapy. EGFR expression levels based on an immunohistochemistry score have recently been shown to predict benefit from cetuximab in the FLEX trial. In patients with high EGFR expression, patients had prolonged survival when treated with chemotherapy plus cetuximab compared to chemotherapy alone. In patients with low EGFR expression, outcome was not different between the two treatment arms. Thus platinum-based chemotherapy combined with cetuximab represents a new treatment option for patients with advanced NSCLC and high EGFR expression in their tumors. Cetuximab is also evaluated in combination with chemoradiotherapy in patients with stage III NSCLC.
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Affiliation(s)
- Robert Pirker
- Department of Medicine I, Medical University Vienna, 1090 Vienna, Austria
| | - Martin Filipits
- Department of Medicine I, Medical University Vienna, 1090 Vienna, Austria
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21
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Pirker R. EGFR-directed monoclonal antibodies in non-small cell lung cancer: how to predict efficacy? Transl Lung Cancer Res 2015; 1:269-75. [PMID: 25806192 DOI: 10.3978/j.issn.2218-6751.2012.10.09] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 10/31/2012] [Indexed: 11/14/2022]
Abstract
Cetuximab improved survival when added to first-line platinum-based chemotherapy in patients with advanced non-small cell lung cancer. In order to determine those patients who will derive the greatest benefit from the addition of cetuximab, the associations of clinical and tumor features with clinical outcome were determined. High EGFR expression of tumor cells based on an immunohistochemistry score was shown to predict benefit of cetuximab. Among patients with high EGFR expression, the hazard ratio for death was 0.73 in favor of chemotherapy plus cetuximab compared to chemotherapy alone. Among patients with low EGFR expression, no difference in survival was observed between patients treated with chemotherapy plus cetuximab compared to those treated with chemotherapy alone. The treatment interaction test was significant. KRAS mutation status and EGFR copy numbers were without predictive value. Patients with EGFR-activating mutations in their tumors had longer survival independent of the use of cetuximab. In conclusion, EGFR expression levels lend themselves as predictive biomarkers for the selection of those patients who will benefit from the addition of cetuximab to first-line chemotherapy with platinum-based doublets.
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Affiliation(s)
- Robert Pirker
- Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria
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22
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Sacco PC, Maione P, Rossi A, Sgambato A, Casaluce F, Palazzolo G, Gridelli C. Necitumumab for the treatment of stage IV metastatic squamous non-small-cell lung cancer. Expert Rev Respir Med 2015; 9:245-54. [PMID: 25797462 DOI: 10.1586/17476348.2015.1027688] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Over the past two decades, progress in the treatment of patients with metastatic squamous non-small-cell lung cancer has been limited. The EGFR is involved in tumor progression and invasion and therefore it has become the target of several studies in lung cancer. Strategies to block this pathway are focused on the development of small molecule (tyrosine kinase inhibitor) and monoclonal antibodies (mAbs). Some mAbs have been studied in patients with advanced non-small-cell lung cancer. For the first time, a fully human immunoglobulin G (IMC-11F8), subclass 1 (IgG1) mAb targeting the EGFR, in combination with standard chemotherapy (cisplatin + gemcitabine), has been shown to increase overall survival in chemo-naïve patients with metastatic confirmed squamous cell histology.
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Paz-Ares L, Mezger J, Ciuleanu TE, Fischer JR, von Pawel J, Provencio M, Kazarnowicz A, Losonczy G, de Castro G, Szczesna A, Crino L, Reck M, Ramlau R, Ulsperger E, Schumann C, Miziara JEA, Lessa ÁE, Dediu M, Bálint B, Depenbrock H, Soldatenkova V, Kurek R, Hirsch FR, Thatcher N, Socinski MA. Necitumumab plus pemetrexed and cisplatin as first-line therapy in patients with stage IV non-squamous non-small-cell lung cancer (INSPIRE): an open-label, randomised, controlled phase 3 study. Lancet Oncol 2015; 16:328-37. [PMID: 25701171 DOI: 10.1016/s1470-2045(15)70046-x] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Necitumumab is a second-generation recombinant human immunoglobulin G1 EGFR monoclonal antibody that competitively inhibits ligand binding. We aimed to compare necitumumab plus pemetrexed and cisplatin with pemetrexed and cisplatin alone in patients with previously untreated, stage IV, non-squamous non-small-cell lung cancer (NSCLC). METHODS We did this randomised, open-label, controlled phase 3 study at 103 sites in 20 countries. Patients aged 18 years or older, with an Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 and adequate organ function, were randomly assigned 1:1 to treatment with a block randomisation scheme (block size of four) via a telephone-based interactive voice-response system or interactive web-response system. Patients received either cisplatin 75 mg/m(2) and pemetrexed 500 mg/m(2) on day 1 of a 3-week cycle for a maximum of six cycles alone, or with necitumumab 800 mg on days 1 and 8. Necitumumab was continued after the end of chemotherapy until disease progression or unacceptable toxic effects. Randomisation was stratified by smoking history, ECOG performance status, disease histology, and geographical region. Patients and study investigators were not masked to group assignment. The primary endpoint was overall survival. Efficacy analyses were by intention to treat. This trial is registered with ClinicalTrials.gov, number NCT00982111. FINDINGS Between Nov 11, 2009, and Feb 2, 2011, we randomly assigned 633 patients to receive either necitumumab plus pemetrexed and cisplatin (n=315) or pemetrexed and cisplatin alone (n=318). Enrolment was stopped on Feb 2, 2011, after a recommendation from the independent data monitoring committee. There was no significant difference in overall survival between treatment groups, with a median overall survival of 11·3 months (95% CI 9·5-13·4) in the necitumumab plus pemetrexed and cisplatin group versus 11·5 months (10·1-13·1) in the pemetrexed and cisplatin group (hazard ratio 1·01 [95% CI 0·84-1·21]; p=0·96). The incidence of grade 3 or worse adverse events, including deaths, was higher in the necitumumab plus pemetrexed and cisplatin group than in the pemetrexed and cisplatin group; in particular, deaths regarded as related to study drug were reported in 15 (5%) of 304 patients in the necitumumab group versus nine (3%) of 312 patients in the pemetrexed and cisplatin group. Serious adverse events were likewise more frequent in the necitumumab plus pemetrexed and cisplatin group than in the pemetrexed and cisplatin group (155 [51%] of 304 vs 127 [41%] of 312 patients). Patients in the necitumumab plus pemetrexed and cisplatin group had more grade 3-4 rash (45 [15%] of 304 vs one [<1%] of 312 patients in the pemetrexed and cisplatin alone group), hypomagnesaemia (23 [8%] vs seven [2%] patients), and grade 3 or higher venous thromboembolic events (23 [8%] vs 11 [4%] patients) than did those in the pemetrexed and cisplatin alone group. INTERPRETATION Our findings show no evidence to suggest that the addition of necitumumab to pemetrexed and cisplatin increases survival of previously untreated patients with stage IV non-squamous NSCLC. Unless future studies identify potentially useful predictive biomarkers, necitumumab is unlikely to provide benefit in this patient population when combined with pemetrexed and cisplatin. FUNDING Eli Lilly and Company.
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Affiliation(s)
- Luis Paz-Ares
- Instituto de Biomedicina de Sevilla-IBIS (Hospital Virgen del Rocío/Universidad de Sevilla/CSIC), Sevilla, Spain; Hospital Universitario Doce de Octubre and CNIO Lung Cancer Unit, Madrid, Spain.
| | | | - Tudor E Ciuleanu
- Institute of Oncology and University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | | | | | | | - Andrzej Kazarnowicz
- Samodzielny Publiczny Zespól Gruźlicy i Chorób Pluc w Olsztynie, Olsztyn, Poland
| | | | | | | | - Lucio Crino
- Ospedale Santa Maria della Misericordia, Perugia, Italy
| | - Martin Reck
- LungenClinic Grosshansdorf, Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Grosshansdorf, Germany
| | - Rodryg Ramlau
- Poznan University of Medical Sciences, Wielkopolskie Centrum Pulmonologii i Torakochirurgii, Poznan, Poland
| | | | - Christian Schumann
- Department of Internal Medicine II, University Clinic Ulm, Ulm, Germany; Klinik für Pneumologie, Thoraxonkologie, Schlaf-und Beatmungsmedizin, Kempten-Oberallgäu, Germany
| | | | - Álvaro E Lessa
- Hospital Santa Izabel-Santa Casa de Misericordia da Bahia, Nazare, Nazare, Brazil
| | - Mircea Dediu
- Institute of Oncology Bucharest, Bucharest, Romania
| | - Beatrix Bálint
- Csongrád Megye Mellkasi Betegségek Szakkórháza, Deszk, Hungary
| | | | | | | | - Fred R Hirsch
- University of Colorado, Division of Medical Oncology, Aurora, CO, USA
| | - Nick Thatcher
- The Christie Hospital, National Health Services Trust, Manchester, UK
| | - Mark A Socinski
- University of Pittsburgh Cancer Institute, University of Pittsburgh, Pittsburgh, PA, USA
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Li X, Wang H, Lin W, Xu Q. Efficacy of combining targeted therapy with pemetrexed or docetaxel as second-line treatment in patients with advanced non-small-cell lung cancer: a meta-analysis of 14 randomized controlled trials. Curr Med Res Opin 2014; 30:2295-304. [PMID: 24701984 DOI: 10.1185/03007995.2014.909392] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/24/2014] [Indexed: 02/05/2023]
Abstract
OBJECTIVES To compare the effects of adding targeted agents to standard second-line chemotherapy with a single agent (pemetrexed or docetaxel) in patients with advanced NSCLC, a meta-analysis of all relevant randomized controlled trials was performed and overall survival (OS), progression-free survival (PFS), objective response rate (ORR), and disease control rate (DCR) were assessed. PATIENTS AND METHODS The PubMed and Embase databases, and the Cochrane Central Register of Controlled Trials were searched for relevant publications reporting randomized controlled trials between January 2000 and December 2013. Hazard ratios (HRs) with their 95% confidence intervals (CIs), or data for calculating HRs with 95% CIs were derived. RESULTS Fourteen trials with a total of 6922 patients were included in this meta-analysis. Compared with chemotherapy, combination therapy did not improve OS (HR = 0.95; 95% CI, 0.90-1.01; P = 0.081) but improved PFS (HR = 0.83; 95% CI, 0.78-0.87; P = 0.000). Survival outcomes did not differ significantly among trials. Combination therapy significantly increased ORR (RR = 1.83; 95% CI, 1.59-2.127; P = 0.000) and DCR (RR = 1.18; 95% CI, 1.13-1.23, P = 0.000). Sub-analysis indicated that adding targeted therapy to chemotherapy significantly prolonged OS in patients with non-squamous NSCLC (HR = 0.87; 95% CI, 0.87-0.97; P = 0.009). Patients treated with combination therapy had an increased incidence of grade 3 or greater diarrhea (RR = 1.96; 95% CI, 1.37-2.81; P = 0.000), neutropenia (RR = 1.27, 95% CI, 1.14-1.61; P = 0.000) and thrombocytopenia (RR = 4.21, 95% CI, 1.87-9.51; P = 0.001). This meta-analysis has the limitations of heterogeneity among the included trials and not using individual patient data. CONCLUSIONS In the second-line treatment of advanced NSCLC, the combination of targeted therapy and chemotherapy significantly increased response rates and progression-free survival, but did not improve overall survival and was more toxic.
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Affiliation(s)
- Xuyuan Li
- Department of Internal Medicine, Cancer Hospital of Shantou University Medical College , Shantou, Guangdong , China
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25
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Abstract
PURPOSE OF REVIEW Important therapeutic advances for patients with advanced non-small-cell lung cancer (NSCLC) with focus on individualized therapy have recently occurred and are summarized in this review. RECENT FINDINGS Cetuximab added to first-line chemotherapy has been shown to improve survival in patients with high epidermal growth factor receptor (EGFR) expression in their tumors. Afatinib has shown improved progression-free survival and better quality of life compared to chemotherapy in patients with EGFR-mutation-positive adenocarcinomas. Several other EGFR-directed agents are in clinical development. Crizotinib improved progression-free survival compared to second-line chemotherapy with docetaxel or pemetrexed in patients with advanced anaplastic lymphoma kinase-positive NSCLC. Selumetinib added to docetaxel has improved outcome compared with docetaxel in a randomized phase II trial in patients with advanced KRAS-mutant NSCLC and this combination is currently studied in a phase III trial. Nintedanib added to docetaxel improved progression-free survival in the second-line therapy of patients with advanced NSCLC but many other angiogenesis inhibitors failed to improve clinical outcome in phase III trials. Several other targeted therapies are currently evaluated in phase III trials in patients with advanced NSCLC. SUMMARY Recent trials have led to the approval of afatinib and crizotinib for subsets of patients with advanced NSCLC.
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26
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Landi L, Cappuzzo F. Pharmacotherapy targeting the EGFR oncogene in NSCLC. Expert Opin Pharmacother 2014; 15:2293-305. [DOI: 10.1517/14656566.2014.957179] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Lorenza Landi
- Istituto Toscano Tumori, Medical Oncology Department, Ospedale Civile di Livorno, Viale Alfieri 36, 57100, Livorno, Italy ;
| | - Federico Cappuzzo
- Istituto Toscano Tumori, Medical Oncology Department, Ospedale Civile di Livorno, Viale Alfieri 36, 57100, Livorno, Italy ;
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Spaans JN, Goss GD. Trials to Overcome Drug Resistance to EGFR and ALK Targeted Therapies - Past, Present, and Future. Front Oncol 2014; 4:233. [PMID: 25221748 PMCID: PMC4145253 DOI: 10.3389/fonc.2014.00233] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 08/11/2014] [Indexed: 11/21/2022] Open
Abstract
Molecularly targeted agents are changing the therapeutic landscape in advanced non-small cell lung cancer. Since the discovery of sensitizing mutations in the epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) domain, clinical investigations have focused on optimizing the efficacy of EGFR and ALK tyrosine kinase inhibitors by addressing therapeutic resistance that commonly develops within a year of treatment initiation. Here, we review the clinical trials of novel therapies and combination regimens that have been undertaken in response to our evolving understanding of the mechanisms of resistance to targeted therapy. The aim of these trials was to enhance the therapeutic efficacy of targeted therapies by improving blockade and/or inhibiting parallel or compensatory signaling pathways. We have documented the sequential conduct of EGFR and ALK biomarker-driven trials in order to highlight particular pitfalls and successes, which should be considered in the design of future trials. Although there remain significant challenges, substantial gains have been made in our understanding of cellular resistance. This knowledge will drive the design of future trials to the benefit of lung cancer patients.
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Affiliation(s)
| | - Glenwood D. Goss
- Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Ottawa Hospital Cancer Centre, Ottawa, ON, Canada
- Department of Medicine, University of Ottawa, Ottawa, ON, Canada
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Pemetrexed plus dendritic cells as second-line treatment for patients with stage IIIB/IV non-small cell lung cancer who had treatment with TKI. Med Oncol 2014; 31:63. [PMID: 24958515 DOI: 10.1007/s12032-014-0063-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2014] [Accepted: 05/30/2014] [Indexed: 10/25/2022]
Abstract
The aim of this study was to determine the efficacy and toxicity of pemetrexed plus dendritic cells (DCs) in patients suffering from stage IIIB or IV lung adenocarcinoma, who had undergone maintenance treatment with gefitinib or erlotinib. Patients who had failed gefitinib or erlotinib maintenance treatment had ECOG performance statuses ranging from 0 to 2.27 patients received pemetrexed plus DCs as second-line treatment. Dosage: 500 mg/m(2) pemetrexed was administered on day 1 of a 21-day cycle. DCs were given for one cycle of 21 days. Three patients (11.1 %) experienced a partial response and 14 patients (51.9 %) showed stable disease. Ten patients (37.0 %) had progressive disease. The median time to progression-free survival (PFS) was 4.8 months [95 % confidence interval (CI) 4.4-5.2], and the median overall survival was 10.7 months (95 % CI 10.3-11.2). In the subgroup analysis, PFS had a significant difference between the low ratio of CD4/CD8 and normal ratio of CD4/CD8, with 4.5 months (95 % CI 4.2-4.9) and 5.0 months (95 % CI 4.5-5.7), (Log Rank = 0.039), respectively. No one patient experienced grade 4 toxicity. A regimen of pemetrexed combined with DCs is marginally effective and well tolerated in patients with stage IIIB or IV lung adenocarcinoma who had received gefitinib or erlotinib first-line treatment.
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Tomasini P, Greillier L, Khobta N, Barlesi F. The place of pemetrexed in the management of non-small-cell lung cancer patients. Expert Rev Anticancer Ther 2014; 13:257-66. [PMID: 23477511 DOI: 10.1586/era.12.171] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Non-small cell lung cancer (NSCLC) remains the leading cause of cancer death worldwide. Chemotherapy is included in the management of the majority of NSCLC patients either in addition to a local treatment (surgery/radiotherapy) or alone. In this setting, pemetrexed has become one of the most important partners of current chemotherapy regimens for nonsquamous NSCLC patients. Indeed, pemetrexed demonstrated a comparable efficacy to other previously available drugs in NSCLC, with however a better safety profile and an easier schedule of administration. In addition, pemetrexed demonstrated a greater efficacy in nonsquamous NSCLC that lead to an exploration of the underlying potential biological background. It is now suggested that the tumor thymidylate synthase level may act as a predictor of pemetrexed efficacy, therefore potentially providing clinicians in the future with a predictor of efficacy, which it is usually lacking with standard chemotherapies.
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Affiliation(s)
- Pascale Tomasini
- Aix-Marseille Université - Assistance Publique Hôpitaux de Marseille, Multidisciplinary Oncology & Therapeutic Innovations Department, Chemin des Bourrely, 13915 Marseille Cedex 20, France
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Binder D, Hegenbarth K. Emerging options for the management of non-small cell lung cancer. CLINICAL MEDICINE INSIGHTS-ONCOLOGY 2013; 7:221-34. [PMID: 24179413 PMCID: PMC3813617 DOI: 10.4137/cmo.s10269] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lung cancer is one of the leading causes of death in industrialized and developing countries. Approximately 80% of patients are diagnosed with non-small cell histology. Although a multidisciplinary approach is necessary for the treatment of patients at early or locally-advanced stages of the disease, further successes in the treatment of patients with advanced disease will largely rely on improved systemic tumor control. Although therapies directed against the epidermal growth factor receptor (EGFR) have been incorporated into daily clinical practice, the value of other treatments remains to be elucidated. The current review highlights the most important driver mutations in non-small cell lung cancer (NSCLC) and describes recent study results and the status of EGFR-directed therapy, anaplastic lymphoma kinase (ALK)-directed agents, antiangiogenic therapy, and mesenchymal-epithelial transition factor (MET) inhibitors. However, many other agents with different modes of action are being examined in clinical research.
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Affiliation(s)
- Daniel Binder
- Department of Hematology, Oncology, and Tumor Immunology, HELIOS Klinikum Berlin-Buch, Berlin, Germany
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Genova C, Rijavec E, Truini A, Coco S, Sini C, Barletta G, Dal Bello MG, Alama A, Savarino G, Pronzato P, Boccardo F, Grossi F. Pemetrexed for the treatment of non-small cell lung cancer. Expert Opin Pharmacother 2013; 14:1545-58. [PMID: 23683110 DOI: 10.1517/14656566.2013.802774] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Non-small cell lung cancer (NSCLC) is a major cause of cancer-related death worldwide. Although advanced NSCLC is still incurable, various anti-neoplastic agents have become available for the treatment of this disease. Pemetrexed , a multi-target folate antagonist, has improved the survival of non-squamous NSCLC patients. Currently, pemetrexed is approved for first-line treatment in combination with a platinum derivate, for second-line treatment as a single agent and, more recently, as maintenance treatment after first-line chemotherapy. AREAS COVERED The authors analyzed the state of the art of pemetrexed through a review of the literature. Clinical trials and meta-analyses involving pemetrexed in NSCLC were evaluated. Pemetrexed improved survival of non-squamous NSCLC in first-line, maintenance, and second-line treatments; this benefit is limited to non-squamous histology. Because pemetrexed has become part of the standard of care, current clinical trials are designed to compare it to other investigational combinations. Limited data on resectable disease are available, and additional clinical trials are being conducted. EXPERT OPINION Pemetrexed has shown effectiveness and a favorable toxicity profile. Histology-driven indications and the relationship of pemetrexed with thymidylate synthase expression suggest that a more precise definition of predictive biomarkers could be further investigated.
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Affiliation(s)
- Carlo Genova
- IRCCS AOU San Martino-IST Istituto Nazionale per la Ricerca sul Cancro, Lung Cancer Unit, Genova, Italy.
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Petrelli F, Borgonovo K, Cabiddu M, Ghilardi M, Barni S. Biological agents alone or in combination as second-line therapy in advanced non-small-cell lung cancer: systematic review of randomized studies. Expert Rev Anticancer Ther 2013; 12:1299-312. [PMID: 23176618 DOI: 10.1586/era.12.110] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The only approved agents for second-line therapy in unselected non-small-cell lung cancer are docetaxel and pemetrexed (chemotherapies) and erlotinib (targeted therapies). Several new molecular drugs have now entered clinical trials and are being compared with approved agents (e.g., vandetanib). Alternative pathways are also being explored to overcome resistance to established agents (c-MET and ALK inhibitors), and predictive factors are now crucial for the selection of drug and of patients (e.g., EGFR mutations). Better patient selection permits second-line treatment to be tailored according to disease identity, which confers a particular benefit in certain subgroups of patients. In this review, the authors examine existing trials comparing targeted therapies with the standard of care as second-line therapy for advanced non-small-cell lung cancer.
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Affiliation(s)
- Fausto Petrelli
- Oncology Unit, Oncology Department, Piazzale Ospedale 1, 24047, Treviglio (BG), Italy.
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EGFR-directed monoclonal antibodies in non-small cell lung cancer. Target Oncol 2013; 8:47-53. [PMID: 23300028 DOI: 10.1007/s11523-012-0244-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Accepted: 12/06/2012] [Indexed: 10/27/2022]
Abstract
Several monoclonal antibodies directed against the epidermal growth factor receptor (EGFR) have been evaluated in patients with non-small cell lung cancer (NSCLC). Cetuximab, a chimeric monoclonal antibody, has been studied in combination with first-line chemotherapy in phase II and two phase III trials in patients with advanced NSCLC. The phase III FLEX trial demonstrated an increase in survival for cisplatin/vinorelbine plus cetuximab compared to chemotherapy alone in patients with advanced EGFR-expressing NSCLC. Cetuximab added to carboplatin/paclitaxel failed to improve progression-free survival in the BMS099 phase III trial. However, a meta-analysis of four randomized trials confirmed a significant survival benefit for platinum-based chemotherapy plus cetuximab compared to chemotherapy alone. High EGFR expression of tumor cells was then shown to predict the benefit of cetuximab, whereas KRAS mutations and EGFR fluorescent in situ hybridization analysis were without predictive value. Matuzumab and panitumumab have also been studied in phase II trials. Necitumumab, a fully human monoclonal antibody, is currently evaluated in combination with chemotherapy in two phase III trials in patients with advanced NSCLC. Cetuximab is also studied in combination with chemoradiotherapy in patients with locally advanced NSCLC.
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Abstract
INTRODUCTION Lung cancer is the leading cause of cancer death worldwide. As clinical benefits to conventional cancer therapies are still formidable, there is an urgent need for novel agents and approaches to improve the overall clinical outcomes for patients with lung cancer. AREAS COVERED This article reviews the current understanding of targeted therapy for lung cancer with monoclonal antibodies (mAbs), mainly bevacizumab and cetuximab. The results from several key clinical trials validating the effectiveness and safety of bevacizumab and cetuximab, the relation of cancer biomarkers, the polymorphic correlation of targeted genes with the therapeutic outcome of mAb-based treatment, as well as the impact of Biomarker-integrated Approaches of Targeted Therapy for Lung Cancer Elimination (BATTLE) trial on personalised treatment of lung cancer are discussed. EXPERT OPINION The addition of bevacizumab or cetuximab to chemotherapy has shown promising benefits to the patients with non-small-cell lung cancer. However, the overall benefits of mAb-based targeted therapy to lung cancer patients vary among individuals. It is therefore necessary to define reliable predictive biomarkers in an effort to better identify patients who are most likely to benefit from treatment with these novel agents in lung cancer.
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Affiliation(s)
- Yujiong Wang
- Key Laboratory of the Ministry of Education for Conservation and Utilization of Special Biological Resources in Western China, Yinchuan, Ningxia, China
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Hartmann JT, Kollmannsberger C, Cascorbi I, Mayer F, Schittenhelm MM, Heeger S, Bokemeyer C. A phase I pharmacokinetic study of matuzumab in combination with paclitaxel in patients with EGFR-expressing advanced non-small cell lung cancer. Invest New Drugs 2012; 31:661-8. [DOI: 10.1007/s10637-012-9856-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 07/09/2012] [Indexed: 12/11/2022]
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Leung L, Mok TSK, Loong H. Combining chemotherapy with epidermal growth factor receptor inhibition in advanced non-small cell lung cancer. Ther Adv Med Oncol 2012; 4:173-81. [PMID: 22754591 PMCID: PMC3384091 DOI: 10.1177/1758834012440015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Treatment of advanced stage lung cancer is changing rapidly. With the new found knowledge on molecular targets such as the epidermal growth factor receptor (EGFR), effective therapy is now available in a selected population with the target mutation. Single-agent epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) is a standard first-line therapy for patients with activating-EGFR mutation such as base-pair deletion in exon 19 or point mutation at exon 21. At the same time, this class of drugs may be combined with chemotherapy. Studies on the concurrent combination of chemotherapy and EGFR-TKI confirmed a lack of efficacy. A phase II study on sequential intercalated combination has demonstrated an improvement in progression-free survival (PFS), but this needs to be validated by the ongoing phase III study. The third approach is to combine EGFR-TKI as maintenance therapy after tumour response or stable disease to cytotoxic chemotherapy. Two phase III studies have shown improvement in PFS, but the use of biomarkers for the selection of maintenance therapy remains debatable. Cetuximab is a monoclonal antibody against EGFR and its combination with chemotherapy was shown to improve overall survival in an unselected population. A new biomarker using the H-score will help to select patients for this combination.
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Affiliation(s)
- Linda Leung
- State Key Laboratory in Oncology in South China, Sir Y.K. Pao Centre for Cancer, Department of Clinical Oncology, Hong Kong Cancer Institute, Prince of Wales Hospital, and The Chinese University of Hong Kong, Hong Kong, China
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Factors Affecting Efficacy and Safety of Add-On Combination Chemotherapy for Non-Small-Cell Lung Cancer: A Literature-Based Pooled Analysis of Randomized Controlled Trials. Lung 2012; 190:355-64. [DOI: 10.1007/s00408-012-9379-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Accepted: 01/22/2012] [Indexed: 10/28/2022]
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Qi WX, Tang LN, He AN, Shen Z, Yao Y. Effectiveness and safety of pemetrexed-based doublet versus pemetrexed alone as second-line treatment for advanced non-small-cell lung cancer: a systematic review and meta-analysis. J Cancer Res Clin Oncol 2012; 138:745-51. [PMID: 22258853 DOI: 10.1007/s00432-012-1155-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Accepted: 01/06/2012] [Indexed: 10/14/2022]
Abstract
BACKGROUND To compared pemetrexed-based doublet with single-agent pemetrexed as second-line treatment for advanced non-small-cell lung cancer METHODS We systematically searched for randomized clinical trials that compared pemetrexed-based doublet with single-agent pemetrexed in patients with histologically proven non-small-cell lung cancer. The primary end point was overall survival. Secondary end points were progression-free survival, overall response rate and grade 3 or 4 toxicity. Data were extracted from the studies by 2 independent reviewers. The meta-analysis was performed by Stata version 10.0 software (Stata Corporation, College Station, Texas, USA). RESULTS Five randomized clinical trials (totally 1,186 patients) were eligible. Meta-analysis showed that there was significant improvement in PFS (HR 0.82, 95% CI 0.71-0.95, P = 0.007) and overall response rate (OR 2.39, 95% CI 1.58-3.62, P = 0.000) in pemetrexed-based doublet group, compared with pemetrexed alone, though the pooled HR for overall survival (HR 0.89, 95% CI 0.76-1.04; P = 0.129) showed no significant difference between the two groups. However, there were more incidences of grade 3 or 4 neutropenia (OR 2.3, 95% CI 1.4-3.77, P = 0.001), thrombocytopenia (OR 6.41, 95% CI 2.57-16.0, P = 0.000), and leucopenia (OR 2.45, 95% CI 1.13-5.34, P = 0.024) in pemetrexed-based doublet group. With regard to the risk of grade 3 or 4 anemia (OR 0.71, 95% CI 0.17-2.91, P = 0.629) and fatigue (OR 1.47, 95% CI 0.92-2.35, P = 0.104), there was no significant difference between the two groups. CONCLUSION Pemetrexed-based doublet therapy didn't gain any benefit in survival but significantly improved PFS and better ORR compared with single-agent pemetrexed as second-line therapy for advanced non-small-cell lung cancer. However, more incidences of grade 3 or 4 neutropenia, thrombocytopenia, and leucopenia were observed in pemetrexed-based doublet group.
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Affiliation(s)
- Wei-Xiang Qi
- Department of Oncology, The Sixth People Hospital, Shanghai Jiao Tong University, Shanghai, China
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Efficient blockade of Akt signaling is a determinant factor to overcome resistance to matuzumab. Mol Cancer 2011; 10:151. [PMID: 22185378 PMCID: PMC3295690 DOI: 10.1186/1476-4598-10-151] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Accepted: 12/20/2011] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Clinical studies have shown antineoplastic effectiveness of monoclonal antibodies (MAbs) against EGFR for different indications. Several MAbs directed to EGFR were developed recently, such as matuzumab, but there is still lack of information on preclinical data on its combination with chemo-radiation. Thus, the present study intended to examine the molecular pathways triggered by matuzumab alone or associated to chemo-radiotherapy in gynecological cell lines and its impact on cell growth and signaling. RESULTS Combination of matuzumab with radiation and cisplatin did not enhance its cytostatic effects on A431, Caski and C33A cells (high, intermediate and low EGFR expression, respectively) in clonogenic assays, when compared to controls. The lack of effect was mediated by persistent signaling through EGFR due to its impaired degradation. In spite of the fact that matuzumab inhibited phosphorylation of EGFR, it had no effect upon cell viability. To analyze which downstream molecules would be involved in the EGFR signaling in the presence of matuzumab, we have tested it in combination with either PD98059 (MAPK inhibitor), or LY294002 (PI3K inhibitor). Matuzumab exhibited a synergic effect with LY294002, leading to a reduction of Akt phosphorylation that was followed by a decrease in A431 and Caski cells survival. The combination of PD98059 and matuzumab did not show the same effect suggesting that PI3K is an important effector of EGFR signaling in matuzumab-treated cells. Nonetheless, matuzumab induced ADCC in Caski cells, but not in the C33A cell line, suggesting that its potential therapeutic effects in vitro are indeed dependent on EGFR expression. CONCLUSIONS Matuzumab combined with chemoradiation did not induce cytotoxic effects on gynecological cancer cell lines in vitro, most likely due to impaired EGFR degradation. However, a combination of matuzumab and PI3K inhibitor synergistically inhibited pAkt and cell survival, suggesting that the use of PI3K/Akt inhibitors could overcome intrinsic resistance to matuzumab in vitro. Altogether, data presented here can pave the way to a rational design of clinical strategies in patients with resistant profile to anti-EGFR inhibitors based on combination therapy.
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Schick U, Gujral DM, Richards TM, Harrington KJ, Nutting CM. Zalutumumab in head and neck cancer. Expert Opin Biol Ther 2011; 12:119-25. [DOI: 10.1517/14712598.2012.643864] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Dienstmann R, Felip E. Necitumumab in the treatment of advanced non-small cell lung cancer: translation from preclinical to clinical development. Expert Opin Biol Ther 2011; 11:1223-31. [PMID: 21679088 DOI: 10.1517/14712598.2011.595709] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Treatment outcomes in unselected patients with advanced NSCLC remain disappointing with platinum-based chemotherapy. The addition of monoclonal antibodies targeting EGFR to standard first-line therapy is a validated strategy and has been associated with statistically significant survival advantage in advanced NSCLC. Necitumunab is a fully human IgG1 monoclonal antibody targeting EGFR, having the potential benefit of lower hypersensitivity reaction risk as compared with cetuximab and also equivalent antibody-dependent cell-mediated cytotoxicity. AREAS COVERED This paper reviews literature on preclinical and early clinical development of necitumumab that is available in PubMed and published abstracts from conferences, as well as ongoing trials as specified by clinicaltrials.gov. Recently, the Phase III clinical trial evaluating the addition of necitumumab to pemetrexed and cisplatin in non-squamous NSCLC was prematurely closed due to concerns about the increased risk of thromboembolic events in the experimental arm. Accrual in the Phase III trial of necitumumab in combination with gemcitabine and cisplatin in squamous NSCLC is ongoing. EXPERT OPINION Results of the ongoing large randomized trials will be instrumental in determining the drug's clinical significance and, with the analysis of potential molecular predictive factors, are expected to bring valuable additions to future therapeutic strategies in NSCLC.
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Affiliation(s)
- Rodrigo Dienstmann
- Vall d'Hebron University Hospital and Vall d'Hebron Institute of Oncology, Molecular Therapeutic Research Unit, Medical Oncology Service, P. Vall d'Hebron 119-129, 08035 Barcelona, Spain
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