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Yoon J, Oh DY. HER2-targeted therapies beyond breast cancer - an update. Nat Rev Clin Oncol 2024:10.1038/s41571-024-00924-9. [PMID: 39039196 DOI: 10.1038/s41571-024-00924-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/28/2024] [Indexed: 07/24/2024]
Abstract
The receptor tyrosine-kinase HER2 (also known as ErbB2) is a well-established therapeutic target in patients with breast or gastric cancer selected on the basis of HER2 overexpression on immunohistochemistry and/or ERBB2 amplification on in situ hybridization. With advances in cancer molecular profiling and increased implementation of precision medicine approaches into oncology practice, actionable HER2 alterations in solid tumours have expanded to include ERBB2 mutations in addition to traditional HER2 overexpression and ERBB2 amplification. These various HER2 alterations can be found in solid tumour types beyond breast and gastric cancer, although few HER2-targeted therapeutic options have been established for the other tumour types. Nevertheless, during the 5 years since our previous Review on this topic was published in this journal, obvious and fruitful progress in the development of HER2-targeted therapies has been made, including new disease indications, innovative drugs with diverse mechanisms of action and novel frameworks for approval by regulatory authorities. These advances have culminated in the recent histology-agnostic approval of the anti-HER2 antibody-drug conjugate trastuzumab deruxtecan for patients with HER2-overexpressing solid tumours. In this new Review, we provide an update on the current development landscape of HER2-targeted therapies beyond breast cancer, as well as anticipated future HER2-directed treatment strategies to overcome resistance and thereby improve efficacy and patient outcomes.
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Affiliation(s)
- Jeesun Yoon
- Division of Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Do-Youn Oh
- Division of Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea.
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea.
- Integrated Major in Innovative Medical Science, Seoul National University Graduate School, Seoul, Republic of Korea.
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2
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Taylor RP, Lindorfer MA. Antibody-drug conjugate adverse effects can be understood and addressed based on immune complex clearance mechanisms. Blood 2024; 144:137-144. [PMID: 38643493 DOI: 10.1182/blood.2024024442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/10/2024] [Accepted: 04/15/2024] [Indexed: 04/23/2024] Open
Abstract
ABSTRACT Numerous antibody-drug conjugates (ADCs) are being developed for cancer immunotherapy. Although several of these agents have demonstrated considerable clinical efficacy and have won Food and Drug Administration (FDA) approval, in many instances, they have been characterized by adverse side effects (ASEs), which can be quite severe in a fraction of treated patients. The key hypothesis in this perspective is that many of the most serious ASEs associated with the use of ADCs in the treatment of cancer can be most readily explained and understood due to the inappropriate processing of these ADCs via pathways normally followed for immune complex clearance, which include phagocytosis and trogocytosis. We review the key published basic science experiments and clinical observations that support this idea. We propose that it is the interaction of the ADC with Fcγ receptors expressed on off-target cells and tissues that can most readily explain ADC-mediated pathologies, which therefore provides a rationale for the design of protocols to minimize ASEs. We describe measurements that should help identify those patients most likely to experience ASE due to ADC, and we propose readily available treatments as well as therapies under development for other indications that should substantially reduce ASE associated with ADC. Our focus will be on the following FDA-approved ADC for which there are substantial literatures: gemtuzumab ozogamicin and inotuzumab ozogamicin; and trastuzumab emtansine and trastuzumab deruxtecan.
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Affiliation(s)
- Ronald P Taylor
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA
| | - Margaret A Lindorfer
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA
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Shitara K, Bang YJ, Iwasa S, Sugimoto N, Ryu MH, Sakai D, Chung HC, Kawakami H, Yabusaki H, Sakamoto Y, Nishina T, Inaki K, Kuwahara Y, Wada N, Suto F, Arita T, Sugihara M, Tsuchihashi Z, Saito K, Kojima A, Yamaguchi K. Trastuzumab deruxtecan in HER2-positive advanced gastric cancer: exploratory biomarker analysis of the randomized, phase 2 DESTINY-Gastric01 trial. Nat Med 2024; 30:1933-1942. [PMID: 38745009 PMCID: PMC11271396 DOI: 10.1038/s41591-024-02992-x] [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: 11/09/2023] [Accepted: 04/11/2024] [Indexed: 05/16/2024]
Abstract
Trastuzumab deruxtecan (T-DXd) showed statistically significant clinical improvement in patients with human epidermal growth factor receptor 2-positive (HER2+) gastric cancer in the DESTINY-Gastric01 trial. Exploratory results from DESTINY-Gastric01 suggested a potential benefit in patients with HER2-low gastric cancer. Spatial and temporal heterogeneity in HER2 expression or gene alteration, an inherent characteristic of gastric cancer tumors, presents a challenge in identifying patients who may respond to T-DXd. Specific biomarkers related to therapeutic response have not been explored extensively. Exploratory analyses were conducted to assess baseline HER2-associated biomarkers in circulating tumor DNA and tissue samples, and to investigate mechanisms of resistance to T-DXd. Baseline HER2-associated biomarkers were correlated with objective response rate (ORR) in the primary cohort of patients with HER2+ gastric cancer. The primary cohort had 64% concordance between HER2 positivity and HER2 (ERBB2) plasma gene amplification. Other key driver gene amplifications, specifically MET, EGFR and FGFR2, in circulating tumor DNA were associated with numerically lower ORR. Among 12 patients with HER2 gain-of-function mutations, ORR was 58.3% (7 of 12). ORR was consistent regardless of timing of immunohistochemistry sample collection. Further investigations are required in larger studies.
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Affiliation(s)
- Kohei Shitara
- National Cancer Center Hospital East, Kashiwa, Japan.
- Department of Immunology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Yung-Jue Bang
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | | | | | - Min-Hee Ryu
- Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | | | - Hyun Cheol Chung
- Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | | | | | | | - Tomohiro Nishina
- National Hospital Organization Shikoku Cancer Center, Ehime, Japan
| | | | | | - Naoya Wada
- Daiichi Sankyo RD Novare Co. Ltd, Tokyo, Japan
| | | | | | | | | | - Kaku Saito
- Daiichi Sankyo Inc., Basking Ridge, NJ, USA
| | | | - Kensei Yamaguchi
- Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan
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Sappenfield R, Mehlhaff E, Miller D, Ebben JE, Uboha NV. Current and Future Biomarkers in Esophagogastric Adenocarcinoma. J Gastrointest Cancer 2024; 55:549-558. [PMID: 38280174 DOI: 10.1007/s12029-023-01007-1] [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] [Accepted: 12/23/2023] [Indexed: 01/29/2024]
Abstract
PURPOSE Biomarker-based therapies have shown improved patient outcomes across various cancer types. The purpose of this review to summarize our knowledge of current and future biomarkers in esophagogastric adenocarcinoma (EGA). METHODS In this publication, we will review current standard biomarkers in patients with upper GI cancers. We will also discuss novel biomarkers that are under investigations and their associated therapies that are currently in clinical trials. RESULTS EGAa are a group of heterogeneous diseases, both anatomically and molecularly. There are several established biomarkers (HER2, PD-L1, microsattelite instability or mismatch repair protein expression) that allow for individualized treatments for patients with these cancers. There are also several emerging biomarkers for EGA, some of which have clinically relevant associated therapies. Claudin 18.2 is the furthest along among these. Anti-claudin antibody, zolbetuximab, improved overall survival in biomarker select patients with advanced GEA in two phase 3 studies. Other novel biomarkers, such as FGFR2b and DKN01, are also in the process of validation, and treatments based on the presence of these biomarkers are currently in clinical studies. CONCLUSION Ongoing efforts to identify novel biomarkers in EGA have led to enhanced subclassification of upper GI cancers. These advances, coupled with the strategic application of targeted therapies and immunotherapy when appropriate, hold promise to further improve patients outcomes.
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Affiliation(s)
- Ryan Sappenfield
- Department of Pathology and Laboratory Medicine, University of Wisconsin, Madison, WI, 53792, USA
| | - Eric Mehlhaff
- Division of Hematology, Medical Oncology and Palliative Care, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53792, USA
| | - Devon Miller
- Division of Hematology, Medical Oncology and Palliative Care, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53792, USA
| | - Johnathan E Ebben
- Division of Hematology, Medical Oncology and Palliative Care, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53792, USA
| | - Nataliya V Uboha
- Division of Hematology, Medical Oncology and Palliative Care, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53792, USA.
- University of Wisconsin Carbone Cancer Center, 600 Highland Avenue, Madison, WI, 53792, USA.
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Bonomi M, Spada D, Baiocchi GL, Celotti A, Brighenti M, Grizzi G. Targeting HER2 in Gastroesophageal Adenocarcinoma: Molecular Features and Updates in Clinical Practice. Int J Mol Sci 2024; 25:3876. [PMID: 38612688 PMCID: PMC11011631 DOI: 10.3390/ijms25073876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/23/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
Gastroesophageal adenocarcinoma (GEA) is one of the principal causes of death related to cancer globally. Human epidermal growth factor receptor 2 (HER2) is a tyrosine kinase receptor which is found to be overexpressed or amplified in approximately 20% of GEA cases. In GEA, the identification of HER2-positive status is crucial to activate a specific anti-HER2 targeted therapy. The landmark ToGA trial demonstrated the superiority of adding trastuzumab to platinum-based chemotherapy, becoming the first-line standard of treatment. However, unlike breast cancer, the efficacy of other anti-HER2 drugs, such as lapatinib, pertuzumab, and T-DM1, has failed to improve outcomes in advanced and locally advanced resectable GEA. Recently, the combination of trastuzumab with pembrolizumab, along with chemotherapy, and the development of trastuzumab deruxtecan, with its specific bystander activity, demonstrated improved outcomes, renewing attention in the treatment of this disease. This review will summarise historical and emerging therapies for the treatment of HER2-positive GEA, with a section dedicated to the HER2 molecular pathway and the use of novel blood biomarkers, such as circulating tumour DNA and circulating tumour cells, which may be helpful in the future to guide treatment decisions.
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Affiliation(s)
- Maria Bonomi
- Oncology Unit, ASST Cremona, 26100 Cremona, Italy; (M.B.); (D.S.); (M.B.)
| | - Daniele Spada
- Oncology Unit, ASST Cremona, 26100 Cremona, Italy; (M.B.); (D.S.); (M.B.)
| | - Gian Luca Baiocchi
- Department of Surgery, ASST Cremona, 26100 Cremona, Italy; (G.L.B.); (A.C.)
| | - Andrea Celotti
- Department of Surgery, ASST Cremona, 26100 Cremona, Italy; (G.L.B.); (A.C.)
| | - Matteo Brighenti
- Oncology Unit, ASST Cremona, 26100 Cremona, Italy; (M.B.); (D.S.); (M.B.)
| | - Giulia Grizzi
- Oncology Unit, ASST Cremona, 26100 Cremona, Italy; (M.B.); (D.S.); (M.B.)
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Scheck MK, Hofheinz RD, Lorenzen S. HER2-Positive Gastric Cancer and Antibody Treatment: State of the Art and Future Developments. Cancers (Basel) 2024; 16:1336. [PMID: 38611014 PMCID: PMC11010911 DOI: 10.3390/cancers16071336] [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: 02/07/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Despite a decreasing incidence in Western countries, gastric cancer is among the most common cancer subtypes globally and is associated with one of the highest tumor-related mortality rates. Biomarkers play an increasing role in the treatment against gastric cancer. HER2 was one of the first biomarkers that found its way into clinical practice. Since the ToGA trial, trastuzumab has been part of first-line palliative chemotherapy in metastatic or unresectable gastric cancer. HER2-targeting agents, such as the tyrosine kinase inhibitor lapatinib, the antibody drug conjugate (ADC) trastuzumab-emtansine or dual HER2 inhibition (pertuzumab and trastuzumab), have been investigated in the second-line setting but led to negative study results. More recently, the ADC trastuzumab-deruxtecan was authorized after the failure of trastuzumab-based treatment. However, further improvements in HER2-directed therapy are required as resistance mechanisms and HER2 heterogeneity limit the existing treatment options. This review aims to give an overview of the current standard-of-care HER2-directed therapy in gastric cancer, as well as its challenges and future developments.
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Affiliation(s)
- Magdalena K. Scheck
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar der TU München, 81675 Munich, Germany;
| | - Ralf D. Hofheinz
- Mannheim Cancer Center, Universitätsklinikum Mannheim, 68167 Mannheim, Germany;
| | - Sylvie Lorenzen
- Klinik und Poliklinik für Innere Medizin III, Klinikum rechts der Isar der TU München, 81675 Munich, Germany;
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Lv HF, Qin LF, Ran RZ, Jiang XP, Zhao FY, Li B. Efficacy and safety of docetaxel plus S-1-based therapy in gastric cancer: a quantitative evidence synthesis of randomized controlled trials. Front Pharmacol 2024; 14:1242548. [PMID: 38259276 PMCID: PMC10800465 DOI: 10.3389/fphar.2023.1242548] [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: 06/19/2023] [Accepted: 12/13/2023] [Indexed: 01/24/2024] Open
Abstract
Objective: To systematically evaluate the safety and efficacy of docetaxel plus S-1-based therapy in gastric cancer treatment. Methods: PubMed, Embase, The Cochrane Library, and Web of Science electronic databases were searched for randomized controlled trials on docetaxel plus S-1-based therapy in the treatment of gastric cancer from the establishment of the database to 1 September 2022. Relevant studies were included per pre-defined eligibility criteria, and two researchers independently screened and assessed the included literature using Review Manager v5. Outcome measures and statistics related with efficacy and safety profiles were extracted from the included studies, and Stata v15.1 was used for pooled analysis. Results: Objective response rate (odds ratio = 2.34, 95% CI = [1.32, 4.13], p = 0.003), relapse-free survival (HR = 0.68, 95% CI = [0.58, 0.79], p < 0.001), progression-free survival (HR = 0.81, 95% CI = [0.68, 0.96], p = 0.016), and overall survival (HR = 0.86, 95% CI = [0.79, 0.95], p = 0.002) of docetaxel plus S-1-based therapy (DS-based therapy) in gastric cancer treatment were better than those of the non-DS-based therapy. However, DS-based therapy was associated with increased risk of certain adverse drug effects, such as alopecia, leukopenia, and oral mucositis. Further studies are warranted to validate the efficacy superiority of DS-based versus non-DS-based regimens as per our trial sequential analysis findings. Conclusion: DS-based therapy significantly improves patients' clinical outcomes in gastric cancer, albeit at the cost of increased toxicity. Further RCTs are needed to confirm the efficacy superiority of DS-based regimens.
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Affiliation(s)
- Hui-Fen Lv
- Hubei Provincial Key Laboratory of Occurrence and Intervention of Rheumatic Diseases, Hubei Minzu University, Enshi, China
- Department of Pharmacology, Health Science Center, Hubei Minzu University, Enshi, China
| | - Li-Feng Qin
- Department of Gastroenterology, Minda Hospital of Hubei Minzu University, Enshi, China
| | - Rui-Zhi Ran
- Department of Oncology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
| | - Xue-Ping Jiang
- Department of Oncology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
| | - Fang-Yu Zhao
- Department of Pathology, Health Science Center, Hubei Minzu University, Enshi, China
| | - Bo Li
- Department of Oncology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
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Hyung J, Kim HD, Ryu MH, Park YS, Moon M, Kang YK. GASTric Cancer HER2 Re-Assessment Study 2 (GASTHER2): HER2 Re-assessment for Initially HER2-Negative Advanced Gastric Cancer Patients after Progression on First-Line Treatment. Cancer Res Treat 2024; 56:199-207. [PMID: 37340843 PMCID: PMC10789948 DOI: 10.4143/crt.2023.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/19/2023] [Indexed: 06/22/2023] Open
Abstract
PURPOSE Heterogeneous human epidermal growth factor receptor 2 (HER2) overexpression in gastric cancer may lead to a misdiagnosis of HER2 status. Accurate assessment of HER2 status is essential for optimal treatment as novel HER2-directed agents are being investigated in various clinical settings. We evaluated the usefulness of HER2 re-assessment following progression on first-line treatment in initially HER2-negative advanced gastric cancer (AGC) patients. MATERIALS AND METHODS We enrolled 177 patients with baseline HER2-negative AGC and performed HER2 re-assessment after progression on first-line treatment from February 2012 to June 2016 at Asan Medical Center, Seoul, Korea. The re-assessed HER2 status was analyzed with baseline HER2 status and clinical characteristics. RESULTS The median age was 54 years (range, 24 to 80 years), and 123 patients (69.5%) were men. Seven patients (4.0%) were HER2-positive on the re-assessment. Patients with baseline HER2 negativity confirmed by a single test (n=100) had a higher HER2-positive re-assessment rate compared to those who had repeated baseline testing (n=77) (5.0% vs. 2.6%). Among the patients with single baseline HER2 testing, the rate was higher in patients with baseline HER2 immunohistochemistry (IHC) 1+ compared to those with IHC 0 (13.4% vs. 3.6%). CONCLUSION Overall, 4.0% of patients with baseline HER2-negative AGC were HER2-positive on re-assessment, and the HER2-positive re-assessment rate was higher among patients who had a single test at baseline. HER2 re assessment may be considered for initially HER2-negative patients to determine their eligibility for HER2-directed therapy, particularly if their HER2 negativity was determined by a single test, especially if they had a single baseline HER2 IHC 1+ test.
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Affiliation(s)
- Jaewon Hyung
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Hyung-Don Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Min-Hee Ryu
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Young Soo Park
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Meesun Moon
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Yoon-Koo Kang
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
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Kim IH. Emerging Targets for Systemic Treatment of Gastric Cancer: HER2 and Beyond. J Gastric Cancer 2024; 24:29-56. [PMID: 38225765 PMCID: PMC10774754 DOI: 10.5230/jgc.2024.24.e6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/11/2023] [Accepted: 12/11/2023] [Indexed: 01/17/2024] Open
Abstract
In recent years, remarkable progress has been made in the molecular profiling of gastric cancer. This progress has led to the development of various molecular classifications to uncover subtype-specific dependencies that can be targeted for therapeutic interventions. Human epidermal growth factor receptor 2 (HER2) is a crucial biomarker for advanced gastric cancer. The recent promising results of novel approaches, including combination therapies or newer potent agents such as antibody-drug conjugates, have once again brought attention to anti-HER2 targeted treatments. In HER2-negative diseases, the combination of cytotoxic chemotherapy and programmed cell death-1/programmed cell death ligand-1 (PD-1/PD-L1) inhibitors has become the established standard of care in first-line settings. In the context of gastric cancer, potential biomarkers such as PD-L1 expression, Epstein-Barr virus, microsatellite instability, and tumor mutational burden are being considered for immunotherapy. Recently, promising results have been reported in studies on anti-Claudin18.2 and fibroblast growth factor receptor 2 treatments. Currently, many ongoing trials are aimed at identifying potential targets using novel approaches. Further investigations will be conducted to enhance the progress of these therapies, addressing challenges such as primary and acquired resistance, tumor heterogeneity, and clonal evolution. We believe that these efforts will improve patient prognoses. Herein, we discuss the current evidence of potential targets for systemic treatment, clinical considerations, and future perspectives.
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Affiliation(s)
- In-Ho Kim
- Division of Medical Oncology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Gastric Cancer Centre, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea,.
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Depotte L, Palle J, Rasola C, Broudin C, Afrăsânie VA, Mariani A, Zaanan A. New developments and standard of care in the management of advanced gastric cancer. Clin Res Hepatol Gastroenterol 2024; 48:102245. [PMID: 37952913 DOI: 10.1016/j.clinre.2023.102245] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/14/2023]
Abstract
Advanced gastric adenocarcinoma is a common disease with a poor prognosis whose treatment has for decades been based on cytotoxic chemotherapy, including platinum salts in first-line, and taxane or irinotecan in second or later line. Recent years have seen the emergence of new drugs that have improved patient survival, such as trastuzumab in first-line for HER2-positive tumors, ramucirumab alone or in combination with paclitaxel in second-line, and trifluridine-tipiracil beyond the second-line treatment. More recently, two monoclonal antibodies have demonstrated their efficacy in combination with oxaliplatin-based first-line chemotherapy, nivolumab (anti-PD1) for PD-L1 CPS ≥5 tumors, and zolbetuximab for tumors overexpressing Claudin 18.2. In addition, regorafenib has been also showed effective in phase 3 trial for heavily pretreated patients. Based on phase 2 studies, trastuzumab-deruxtecan was approved in 2022 by the EMA for HER2-positive pretreated patients. This agent is currently evaluated in phase 3 study (DESTINY-Gastric04 trial), as are several other anti-HER2 (zanidatamab, margetuximab, tucatinib), immune checkpoint inhibitors, or targeted therapies (anti-FGFR2b).
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Affiliation(s)
- Léonard Depotte
- Department of Digestive Oncology, Georges Pompidou European Hospital, Assistance Publique - Hôpitaux de Paris, University of Paris Cité, France
| | - Juliette Palle
- Department of Digestive Oncology, Georges Pompidou European Hospital, Assistance Publique - Hôpitaux de Paris, University of Paris Cité, France
| | - Cosimo Rasola
- Medical Oncology 1, Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | - Chloé Broudin
- Department of Anatomic Pathology, Georges Pompidou European Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | | | - Antoine Mariani
- Department of Digestive and Oncologic Surgery, Georges Pompidou European Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Aziz Zaanan
- Department of Digestive Oncology, Georges Pompidou European Hospital, Assistance Publique - Hôpitaux de Paris, University of Paris Cité, France.
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11
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Wang P, Xia L. RC48-ADC treatment for patients with HER2-expressing locally advanced or metastatic solid tumors: a real-world study. BMC Cancer 2023; 23:1083. [PMID: 37946161 PMCID: PMC10636982 DOI: 10.1186/s12885-023-11593-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/30/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND RC48-antibody-drug conjugates (ADC) link humanized anti-HER2 immunoglobulin with monomethyl auristatin E (MMAE). Clinical trials suggest promising antitumor activity in HER2-expressing solid tumors. This study probes RC48-ADC's efficacy and safety in patients with HER2-expressing advanced or metastatic solid tumors. METHOD Data was collected from 23 advanced cancer patients treated with RC48-ADC at our oncology center between July 2021 and December 2022. These patients exhibited at least 1 + expression of HER2 immunohistochemistry, had previously experienced at least one failed systemic chemotherapy, and were treated with RC48-ADC until the occurrence of intolerable adverse reactions or disease progression. The primary endpoint was the disease control rate (DCR), and secondary endpoints included progression-free survival (PFS), objective response rate (ORR), and safety. RESULTS 23 of 25 screened patients received RC48 treatment. The ORR was 43.5% (95% CI, 23.2-63.7%) with a median PFS of 6.0 months (95% CI, 4.8-7.4). In the low-to-medium HER2 expression subgroup, ORR was 37.5%, median PFS 5.75 months. In the high HER2 expression subgroup, ORR was 57.1%, median PFS 7 months. For the cohort combining RC48 with PD-1 inhibitors, ORR was 53.8%, median PFS 8 months. In the concurrent local radiation therapy subgroup, ORR was 40.0%, median PFS 6.0 months. Treatment-related adverse events (TRAEs) were anemia (60.8%), leukopenia (56.2%), raised transaminases (52.17%), and neutropenia (43.5%). Five patients (21.7%) experienced Grade 3 symptoms, including anemia (21.7%) and neutropenia (14.0%). No Grade 4 adverse reactions or deaths were reported. CONCLUSION RC48-ADC shows promising efficacy and manageable safety in HER2-expressing advanced or metastatic solid tumor patients.
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Affiliation(s)
- Ping Wang
- Department of Cancer Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 401336, China
| | - Lei Xia
- Department of Cancer Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 401336, China.
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, 300110, China.
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China.
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Uzunparmak B, Haymaker C, Raso G, Masciari S, Wang L, Lin H, Gorur A, Kirby B, Cimo AM, Kennon A, Ding Q, Urschel G, Yuan Y, Feng G, Rizvi Y, Hussain A, Zhu C, Kim P, Abbadessa G, Subbiah V, Yap TA, Rodon J, Piha-Paul SA, Meric-Bernstam F, Dumbrava EE. HER2-low expression in patients with advanced or metastatic solid tumors. Ann Oncol 2023; 34:1035-1046. [PMID: 37619847 DOI: 10.1016/j.annonc.2023.08.005] [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: 03/24/2023] [Revised: 08/02/2023] [Accepted: 08/09/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Human epidermal growth factor receptor 2 (HER2)-low is a newly defined category with HER2 1+ or 2+ expression by immunohistochemistry (IHC) and lack of HER2 gene amplification measured by in situ hybridization (ISH). Much remains unknown about the HER2-low status across tumor types and changes in HER2 status between primary and metastatic samples. PATIENTS AND METHODS HER2 expression by IHC was evaluated in 4701 patients with solid tumors. We have evaluated the HER2 expression by IHC and amplification by ISH in paired breast and gastric/gastroesophageal (GEJ) primary and metastatic samples. HER2 expression was correlated with ERBB2 genomic alterations evaluated by next-generation sequencing (NGS) in non-breast, non-gastric/GEJ samples. RESULTS HER2 expression (HER2 IHC 1-3+) was found in half (49.8%) of the cancers, with HER2-low (1 or 2+) found in many tumor types: 47.1% in breast, 34.6% in gastric/GEJ, 50.0% in salivary gland, 46.9% in lung, 46.5% in endometrial, 46% in urothelial, and 45.5% of gallbladder cancers. The concordance evaluation of HER2 expression between primary and metastatic breast cancer samples showed that HER2 3+ remained unchanged in 87.1% with a strong agreement between primary and metastatic samples, with a weighted kappa (Κ) of 0.85 (95% confidence interval 0.79-0.91). ERBB2 alterations were identified in 117 (7.5%) patients with non-breast, non-gastric/GEJ solid tumors who had NGS testing. Of 1436 patients without ERBB2 alterations, 512 (35.7%) showed any level HER2 expression by IHC. CONCLUSION Our results show that HER2-low expression is frequently found across tumor types. These findings suggest that many patients with HER2-low solid tumors might benefit from HER2-targeted therapies.
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Affiliation(s)
- B Uzunparmak
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - C Haymaker
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - G Raso
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Masciari
- Department of Sanofi, The University of Texas MD Anderson Cancer Center, Cambridge, USA
| | - L Wang
- Department of Sanofi, The University of Texas MD Anderson Cancer Center, Cambridge, USA
| | - H Lin
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A Gorur
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - B Kirby
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A-M Cimo
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A Kennon
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Q Ding
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - G Urschel
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Y Yuan
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - G Feng
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Y Rizvi
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A Hussain
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - C Zhu
- Department of Sanofi, The University of Texas MD Anderson Cancer Center, Cambridge, USA
| | - P Kim
- Department of Sanofi, The University of Texas MD Anderson Cancer Center, Cambridge, USA
| | - G Abbadessa
- Department of Sanofi, The University of Texas MD Anderson Cancer Center, Cambridge, USA
| | - V Subbiah
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - T A Yap
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of The Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Khalifa Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - J Rodon
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Khalifa Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S A Piha-Paul
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - F Meric-Bernstam
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Khalifa Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - E E Dumbrava
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA.
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13
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Klein-Scory S, Ladigan-Badura S, Mika T, Verdoodt B, Tannapfel A, Pohl M, Schroers R, Baraniskin A. Liquid biopsy based HER2 amplification status in gastric cancer patients indicates clinical response. Heliyon 2023; 9:e21339. [PMID: 38027576 PMCID: PMC10665680 DOI: 10.1016/j.heliyon.2023.e21339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
Gastric carcinomas are among the most common cancers in Germany, with approximately 18,000 new cases per year. About 10 years ago, based on results of the Trastuzumab for gastric cancer (ToGA) trial, the addition of the monoclonal antibody trastuzumab to a platinum-fluoropyrimidine chemotherapy backbone became the standard-of-care 1st-line therapy for human epidermal growth factor receptor 2 (HER2)-positive gastric cancers. Only patients with primary HER2 gene amplification benefit from this therapy. Thus, accurate HER2 gene amplification detection is predictive and critical for therapy selection. As a gold standard the HER2 status is currently determined in tumor tissue specimens using immune histochemistry and fluorescent in situ hybridisation. However, HER2 amplification is detectable in only about 20 % of gastric carcinomas. The recent approval of an antibody-drug conjugate Trastuzumab deruxtecan (T-DXd) and the establishment of a new subgroup of HER2-low tumors due to the bystander effect associated with T-DXd increases the relevance of precise HER2 diagnostics. Aim of this analysis was to determine the HER2 amplification status from circulating DNA fragments in blood using a HER2 Copy Number Variation assay to establish a minimal invasive approach. For the present study, a digital droplet PCR-based method was validated relative to established tissue-based methods. Furthermore and most importantly, the changes of HER2 status during therapy were investigated in seven patients indicating that the changes of HER2 status and number of HER2 copies detected in blood can reflect on therapy efficiency and uncover treatment resistance.
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Affiliation(s)
- Susanne Klein-Scory
- Department of Medicine, Ruhr University Bochum, University Hospital Knappschaftskrankenhaus Bochum GmbH, Germany
| | - Swetlana Ladigan-Badura
- Department of Hematology, Oncology and Palliative Care, Evangelical Hospital Hamm gGmbH, Germany
| | - Thomas Mika
- Department of Medicine, Ruhr University Bochum, University Hospital Knappschaftskrankenhaus Bochum GmbH, Germany
| | - Berlinda Verdoodt
- Department of Medicine, Institute of Pathology, Ruhr University Bochum, Germany
| | - Andrea Tannapfel
- Department of Medicine, Institute of Pathology, Ruhr University Bochum, Germany
| | - Michael Pohl
- Department of Medicine, Ruhr University Bochum, University Hospital Knappschaftskrankenhaus Bochum GmbH, Germany
| | - Roland Schroers
- Department of Medicine, Ruhr University Bochum, University Hospital Knappschaftskrankenhaus Bochum GmbH, Germany
| | - Alexander Baraniskin
- Department of Medicine, Ruhr University Bochum, University Hospital Knappschaftskrankenhaus Bochum GmbH, Germany
- Department of Hematology, Oncology and Palliative Care, Evangelical Hospital Hamm gGmbH, Germany
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14
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Rogers JE, Yamashita K, Sewastjanow-Silva M, Trail A, Waters RE, Ajani J. Human Epidermal Growth Factor Receptor-2 Gastric Adenocarcinoma: Expanding Therapy of a Recognized Target. Cancers (Basel) 2023; 15:5180. [PMID: 37958354 PMCID: PMC10650285 DOI: 10.3390/cancers15215180] [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: 09/05/2023] [Revised: 10/23/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Human epidermal growth factor receptor-2 (HER2) is a well-known cancer target. Many HER2-targeted agents are marketed and being investigated. Unfortunately, these therapies lack consistent responses and outcomes amongst different tumors. Questions remain as to why HER2 biology is different in different tumor types. Gastric adenocarcinomas (GACs) demonstrate both intra- and inter-tumor HER2 expression heterogeneity and show discordance amongst primary and metastatic disease sites. This creates barriers in determining HER2 agents' effectiveness and contributes to the failure of some HER2-targeted agents in the treatment of HER2-positive advanced GACs. Trastuzumab deruxtecan, an antibody drug conjugate of trastuzumab with a topoisomerase inhibitor, was recently approved for the treatment of refractory HER2-positive advanced GAC patients. There are exciting and newer therapies under investigation. Examining resistance patterns (both adaptive and acquired) along with establishing a better understanding of the intra- and inter-tumor heterogeneity is necessary to ensure successful progress. Here we review the current status of HER2-targeted therapy in GACs. We additionally review newer therapies under investigation and their potential role in HER2 GACs.
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Affiliation(s)
- Jane E. Rogers
- Pharmacy Clinical Programs, U.T. M.D. Anderson Cancer Center, Houston, TX 77030, USA
| | - Kohei Yamashita
- Department of Gastrointestinal Medical Oncology, U.T. M.D. Anderson Cancer Center, Houston, TX 77030, USA; (K.Y.); (M.S.-S.); (A.T.)
| | - Matheus Sewastjanow-Silva
- Department of Gastrointestinal Medical Oncology, U.T. M.D. Anderson Cancer Center, Houston, TX 77030, USA; (K.Y.); (M.S.-S.); (A.T.)
| | - Allison Trail
- Department of Gastrointestinal Medical Oncology, U.T. M.D. Anderson Cancer Center, Houston, TX 77030, USA; (K.Y.); (M.S.-S.); (A.T.)
| | - Rebecca E. Waters
- Department of Pathology, U.T. M.D. Anderson Cancer Center, Houston, TX 77030, USA;
| | - Jaffer Ajani
- Department of Gastrointestinal Medical Oncology, U.T. M.D. Anderson Cancer Center, Houston, TX 77030, USA; (K.Y.); (M.S.-S.); (A.T.)
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15
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Baccili Cury Megid T, Farooq AR, Wang X, Elimova E. Gastric Cancer: Molecular Mechanisms, Novel Targets, and Immunotherapies: From Bench to Clinical Therapeutics. Cancers (Basel) 2023; 15:5075. [PMID: 37894443 PMCID: PMC10605200 DOI: 10.3390/cancers15205075] [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: 09/25/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Gastric cancer is a global health concern, ranking fifth in cancer diagnoses and fourth in cancer-related deaths worldwide. Despite recent advancements in diagnosis, most cases are detected at advanced stages, resulting in poor outcomes. However, recent breakthroughs in genome analysis have identified biomarkers that hold positive clinical significance for GC treatment. These biomarkers and classifications offer the potential for more precise diagnostic and therapeutic approaches for GC patients. In this review, we explore the classification and molecular pathways in this disease, highlighting potential biomarkers that have emerged in recent studies including targeted therapies and immunotherapies. These advancements provide a promising direction for improving the management of GC.
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Affiliation(s)
| | | | | | - Elena Elimova
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada; (T.B.C.M.); (A.R.F.); (X.W.)
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16
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Tintelnot J, Stein A, Al-Batran SE, Ettrich T, Götze T, Grün B, Haag GM, Heuer V, Hofheinz RD, Homann N, Bröring TS, Cruz MS, Kurreck A, Lorenzen S, Moosmann N, Müller C, Schuler M, Siegler G, Binder M, Gökkurt E. Pembrolizumab and trastuzumab in combination with FLOT in the perioperative treatment of HER2-positive, localized esophagogastric adenocarcinoma-a phase II trial of the AIO study group (AIO STO 0321). Front Oncol 2023; 13:1272175. [PMID: 37909020 PMCID: PMC10615128 DOI: 10.3389/fonc.2023.1272175] [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: 08/03/2023] [Accepted: 09/15/2023] [Indexed: 11/02/2023] Open
Abstract
Background Esophagogastric adenocarcinoma (EGA) presents a substantial global health challenge as the number of cases continues to rise. The current standard approach for treating localized EGA involves a combination of triplet chemotherapy, which consists of a platinum compound, a fluoropyrimidine, and a taxane (known as FLOT), followed by surgery. In cases of metastatic EGA with HER2-positive status or in certain studies with localized EGA, the use of HER2-targeted antibodies such as trastuzumab has shown improved responses. Recently, the addition of programmed cell death protein 1 (PD-1) inhibitors, such as pembrolizumab, when combined with 5-FU, platinum-based chemotherapy, and trastuzumab, has demonstrated significant enhancements in response rates for HER2-positive metastatic EGA. However, there is currently insufficient evidence regarding this treatment approach in localized HER2-positive disease. Methods The PHERFLOT study is an open-label, single-arm, multicenter, exploratory phase II trial designed to assess the efficacy, safety, and tolerability of perioperative pembrolizumab, FLOT, and trastuzumab in patients with previously untreated localized HER2-positive EGA. In total, 30 patients will be recruited. The co-primary end points are pathological complete response rate and disease-free survival rate after 2 years. Secondary objectives include safety and tolerability, efficacy in terms of progression-free survival and objective response rate and translational markers, such as blood-based signatures (e.g., immune repertoire changes or emergence of anti-HER2 resistance variants) or microbiota signatures that may correlate with immune activation and therapy response. Discussion Recent evidence from phase II clinical trials demonstrated improved efficacy through the addition of trastuzumab to perioperative FLOT. Furthermore, in advanced or metastatic EGA, the combination of trastuzumab, FLOT, and the PD1-inhibitor pembrolizumab significantly improved treatment response. The PHERFLOT study aims to assess the efficacy and safety of this treatment approach in HER2-positive-localized EGA, potentially identifying a promising new perioperative regimen for localized EGA, which then needs to be confirmed within a randomized trial. Furthermore, the accompanying translational program of the study might help to improve the stratification of suitable patients and to identify potential translational targets for future clinical trials. Clinical trial registration https://clinicaltrials.gov, identifier NCT05504720.
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Affiliation(s)
- Joseph Tintelnot
- ll. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Alexander Stein
- Hematology-Oncology Practice Eppendorf (HOPE), Hamburg, Germany
| | | | - Thomas Ettrich
- l. Department of Medicine, University Hospital Ulm, Ulm, Germany
| | - Thorsten Götze
- Institute of Clinical Cancer Research, Krankenhaus Nordwest, Frankfurt, Germany
| | - Barbara Grün
- Department of Medical Oncology, University Medical Center Heidelberg, Heidelberg, Germany
| | - Georg Martin Haag
- Department of Medical Oncology, University Medical Center Heidelberg, Heidelberg, Germany
| | - Vera Heuer
- Department of Oncology, St. Anna Hospital Herne, Herne, Germany
| | | | - Nils Homann
- ll. Medical Department, Klinikum Wolfsburg, Wolfsburg, Germany
| | | | - Mariana Santos Cruz
- ll. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Annika Kurreck
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Hematology, Oncology, and Cancer Immunology, Berlin, Germany
| | - Sylvie Lorenzen
- Rechts der Isar Hospital, Technical University of Munich, Munich, Germany
| | - Nicolas Moosmann
- Department of Oncology and Hematology, Barmherzige Brüder Regensburg Hospital, Regensburg, Germany
| | - Christian Müller
- Department of Hematology and Oncology, Klinik Essen-Mitte, Essen, Germany
| | - Markus Schuler
- Onkologischer Schwerpunkt am Oskar-Helene-Heim, Berlin, Germany
| | - Gabriele Siegler
- Department of Internal Medicine V, Hematology/Oncology, Hospital Nürnberg Nord/Paracelsus Medical University, Nürnberg, Germany
| | - Mascha Binder
- Division of Medical Oncology, University Hospital Basel, Basel, Switzerland
| | - Eray Gökkurt
- Hematology-Oncology Practice Eppendorf (HOPE), Hamburg, Germany
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17
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Kim CG, Jung M, Kim HS, Lee CK, Jeung HC, Koo DH, Bae WK, Zang DY, Kim BJ, Kim H, Yun UJ, Che J, Park S, Kim TS, Kwon WS, Park J, Cho SW, Nam CM, Chung HC, Rha SY. Trastuzumab Combined With Ramucirumab and Paclitaxel in Patients With Previously Treated Human Epidermal Growth Factor Receptor 2-Positive Advanced Gastric or Gastroesophageal Junction Cancer. J Clin Oncol 2023; 41:4394-4405. [PMID: 37364218 DOI: 10.1200/jco.22.02122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 02/20/2023] [Accepted: 05/01/2023] [Indexed: 06/28/2023] Open
Abstract
PURPOSE Trastuzumab-containing chemotherapy is the recommended first-line regimen for human epidermal growth factor receptor 2 (HER2)-positive advanced gastric or gastroesophageal junction (G/GEJ) cancer. We evaluated the safety and efficacy of trastuzumab combined with ramucirumab and paclitaxel as second-line treatment for HER2-positive G/GEJ cancer. PATIENTS AND METHODS Patients with HER2-positive advanced G/GEJ cancer who progressed after first-line treatment with trastuzumab-containing chemotherapy were enrolled from five centers in the Republic of Korea. Patients were administered a 28-day cycle of trastuzumab (once on days 1, 8, 15, and 22: 2 mg/kg followed by 4 mg/kg loading dose), ramucirumab (once on days 1 and 15: 8 mg/kg), and paclitaxel (once on days 1, 8, and 15: dose level 1, 80 mg/m2; or dose level -1, 70 mg/m2). Phase II was conducted with the recommended phase II dose (RP2D). Primary end points were determination of RP2D during phase Ib and investigator-assessed progression-free survival (PFS) in patients treated with RP2D. RESULTS Dose-limiting toxicity at dose level 1 was not documented during phase Ib, and a full dose combination was selected as the RP2D. Among 50 patients with a median follow-up duration of 27.5 months (95% CI, 17.4 to 37.6), median PFS and overall survival were 7.1 months (95% CI, 4.8 to 9.4) and 13.6 months (95% CI, 9.4 to 17.7), respectively. Objective response rate was 54% (27 of 50, including one complete response), and disease control rate was 96% (48 of 50). Loss of HER2 expression was observed in 34.8% (8 of 23) patients after first-line treatment, and no definite association between HER2 expression and the outcome was revealed. Safety profiles were consistent with previous reports. CONCLUSION Trastuzumab combined with ramucirumab and paclitaxel showed appreciable efficacy with manageable safety profiles in patients with previously treated HER2-positive G/GEJ cancer.
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Affiliation(s)
- Chang Gon Kim
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Minkyu Jung
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyo Song Kim
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Choong-Kun Lee
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hei-Cheul Jeung
- Division of Medical Oncology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Dong-Hoe Koo
- Divison of Hematology-Oncology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Woo Kyun Bae
- Division of Hematology-Oncology, Department of Internal Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Dae Young Zang
- Division of Hematology-Oncology, Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Bum Jun Kim
- Division of Hematology-Oncology, Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Hyunki Kim
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Un-Jung Yun
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jingmin Che
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
- MD Biolab Co, Ltd, Seoul, Republic of Korea
| | - Sejung Park
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Tae Soo Kim
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Woo Sun Kwon
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Juin Park
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
- Department of Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sang Woo Cho
- Songdang Institute for Cancer Research, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Chung Mo Nam
- Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyun Cheol Chung
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sun Young Rha
- Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
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18
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Radford M, Abushukair H, Hentzen S, Cavalcante L, Saeed A. Targeted and Immunotherapy Approaches in HER2-Positive Gastric and Gastroesophageal Junction Adenocarcinoma: A New Era. JOURNAL OF IMMUNOTHERAPY AND PRECISION ONCOLOGY 2023; 6:150-157. [PMID: 37637236 PMCID: PMC10448730 DOI: 10.36401/jipo-22-36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/28/2023] [Accepted: 05/05/2023] [Indexed: 08/29/2023]
Abstract
HER2-targeted therapy with the HER2 monoclonal antibody trastuzumab has achieved impressive outcomes in the first-line settings of patients with advanced gastric and gastroesophageal junction (GEJ) adenocarcinoma overexpressing HER2. However, considering that a substantial proportion of those patients eventually relapses, as well as the relatively limited performance of those agents in second-line settings, a deeper understanding of resistance mechanisms is needed for enhanced guidance for patients' therapeutic selection in the second-line setting and beyond. In this review, we highlight trastuzumab's (HER2-targeting agent) performance in patients with gastric or GEJ cancer, with insight into mechanisms of resistance. We also discuss the new integration of PD-1 inhibitor pembrolizumab into the trastuzumab for gastric cancer frontline regimen, the latest addition of trastuzumab deruxtecan to the treatment armamentarium, and the potential of pipeline HER2-targeting approaches and combinations in patients with gastric or GEJ adenocarcinoma.
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Affiliation(s)
- Maluki Radford
- Department of Medicine, Division of Medical Oncology, Kansas University Medical Center, Kansas City, KS, USA
| | - Hassan Abushukair
- Department of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Stijn Hentzen
- Department of Medicine, Division of Medical Oncology, Kansas University Medical Center, Kansas City, KS, USA
| | - Ludimila Cavalcante
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Anwaar Saeed
- Department of Medicine, Division of Hematology and Oncology, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
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19
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DiPeri TP, Kong K, Varadarajan K, Karp DD, Ajani JA, Pant S, Press MF, Piha-Paul SA, Dumbrava EE, Meric-Bernstam F. Discordance of HER2 Expression and/or Amplification on Repeat Testing. Mol Cancer Ther 2023; 22:976-984. [PMID: 37339271 PMCID: PMC10751575 DOI: 10.1158/1535-7163.mct-22-0630] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/21/2023] [Accepted: 06/09/2023] [Indexed: 06/22/2023]
Abstract
We sought to assess discordance of HER2 status in patients with HER2-amplified/expressing solid tumors who underwent reevaluation of HER2 status. Patients with metastatic solid tumors and HER2 expression by IHC or amplification by FISH/next-generation sequencing on local testing underwent central HER2 IHC/FISH testing with either archival or fresh biopsies and were evaluated for discordance in HER2 status. 70 patients (12 cancer types) underwent central HER2 reevaluation, including 57 (81.4%) with a new biopsy. In 30 patients with HER2 3+ on local IHC, 21 (70.0%) were 3+, 5 (16.7%) were 2+, 2 (6.7%) were 1+, and 2 (6.7%) had 0 HER2 expression on central IHC. In 15 patients whose cancers were 2+ on local IHC, 2 (13.3%) were 3+, 5 (33.3%) were 2+, 7 (46.7%) were 1+, and 1 (6.7%) had 0 HER2 expression on central IHC. HER2 discordance was seen in 16 of 52 (30.8%) of patients with HER2 overexpression/amplification who underwent a new image-guided biopsy. Discordance was observed in 10 (33.3%) of 30 patients who received intervening HER2-targeted therapy and in 6 (23.8%) of 22 patients who did not. In the 8 patients who had central HER2 assessment from the same archival block used for local testing, none were discordant. Discordance of HER2 status is common in patients with tumors previously identified as HER2-expressing, especially in patients with HER2 2+ tumors. Repeat biomarker evaluation may have value when considering HER2-targeted therapies.
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Affiliation(s)
- Timothy P. DiPeri
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Kathleen Kong
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Kaushik Varadarajan
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Daniel D. Karp
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Jaffer A. Ajani
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Shubham Pant
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Michael F. Press
- Department of Pathology and Norris Comprehensive Cancer Center, University of Southern California, Keck School of Medicine, Los Angeles CA, 90007
| | - Sarina A. Piha-Paul
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Ecaterina E. Dumbrava
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
| | - Funda Meric-Bernstam
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston TX, 77030
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20
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Sato Y, Okamoto K, Kawano Y, Kasai A, Kawaguchi T, Sagawa T, Sogabe M, Miyamoto H, Takayama T. Novel Biomarkers of Gastric Cancer: Current Research and Future Perspectives. J Clin Med 2023; 12:4646. [PMID: 37510761 PMCID: PMC10380533 DOI: 10.3390/jcm12144646] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/08/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Gastric cancer is a heterogeneous disease with diverse histological and genomic subtypes, making it difficult to demonstrate treatment efficacy in clinical trials. However, recent efforts have been made to identify molecular biomarkers with prognostic and predictive implications to better understand the broad heterogeneity of gastric cancer and develop effective targeted therapies for it. HER2 overexpression, HER2/neu amplification, MSI-H, and PD-L1+ are predictive biomarkers in gastric cancer, and a growing number of clinical trials based on novel biomarkers have demonstrated the efficacy of targeted therapies alone or in combination with conventional chemotherapy. Enrichment design clinical trials of targeted therapies against FGFR2b and claudin 18.2 have demonstrated efficacy in unresectable advanced gastric cancer. Nonetheless, it is essential to continuously validate promising molecular biomarkers and introduce them into clinical practice to optimize treatment selection and improve patient outcomes. In this review, we focused on established (PD-L1, HER2, MSI) and emerging biomarkers (FGFR2, CLDN18.2) in gastric cancer, their clinical significance, detection methods, limitations, and molecular agents that target these biomarkers.
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Affiliation(s)
- Yasushi Sato
- Department of Community Medicine for Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Koichi Okamoto
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Yutaka Kawano
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Akinari Kasai
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Tomoyuki Kawaguchi
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Tamotsu Sagawa
- Department of Gastroenterology, Hokkaido Cancer Center, Sapporo 060-0042, Japan
| | - Masahiro Sogabe
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Hiroshi Miyamoto
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
| | - Tetsuji Takayama
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Medical Science, Tokushima 770-8503, Japan
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21
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Van Cutsem E, di Bartolomeo M, Smyth E, Chau I, Park H, Siena S, Lonardi S, Wainberg ZA, Ajani J, Chao J, Janjigian Y, Qin A, Singh J, Barlaskar F, Kawaguchi Y, Ku G. Trastuzumab deruxtecan in patients in the USA and Europe with HER2-positive advanced gastric or gastroesophageal junction cancer with disease progression on or after a trastuzumab-containing regimen (DESTINY-Gastric02): primary and updated analyses from a single-arm, phase 2 study. Lancet Oncol 2023; 24:744-756. [PMID: 37329891 PMCID: PMC11298287 DOI: 10.1016/s1470-2045(23)00215-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/20/2023] [Accepted: 04/25/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND Approximately 15-20% of advanced gastric and gastro-oesophageal junction cancers overexpress HER2. In DESTINY-Gastric01, the HER2-targeted antibody-drug conjugate trastuzumab deruxtecan improved response and overall survival versus chemotherapy in patients from Japan and South Korea with locally advanced or metastatic HER2-positive gastric or gastro-oesophageal junction cancer whose disease progressed after two lines of previous therapy including trastuzumab. Here, we report primary and updated analyses of the single-arm, phase 2 DESTINY-Gastric02 trial, which aimed to examine trastuzumab deruxtecan in patients living in the USA and Europe. METHODS DESTINY-Gastric02 is a single-arm, phase 2 study in adult patients from 24 study sites in the USA and Europe (Belgium, Spain, Italy, and the UK). Eligible patients were aged at least 18 years and had an Eastern Cooperative Oncology Group performance status of 0 or 1, pathologically documented unresectable or metastatic gastric or gastro-oesophageal junction cancer, progressive disease on or after first-line therapy with a trastuzumab-containing regimen, with at least one measurable lesion per Response Evaluation Criteria in Solid Tumours (version 1.1), and centrally confirmed HER2-positive disease on a postprogression biopsy. Patients were given 6·4 mg/kg of trastuzumab deruxtecan intravenously every 3 weeks until disease progression, withdrawal by patient, physician decision, or death. The primary endpoint was confirmed objective response rate by independent central review. The primary endpoint and safety were assessed in the full analysis set (ie, participants who received at least one dose of study drug). Here, we report the primary analysis of this study, with a data cutoff of April 9, 2021, and an updated analysis, with a data cutoff of Nov 8, 2021. This trial is registered with ClinicalTrials.gov, NCT04014075, and is ongoing. FINDINGS Between Nov 26, 2019, and Dec 2, 2020, 89 patients were screened and 79 were enrolled and subsequently treated with trastuzumab deruxtecan (median age 60·7 years [IQR 52·0-68·3], 57 [72%] of 79 were male, 22 [28%] were female, 69 [87%] were White, four [5%] were Asian, one [1%] was Black or African American, one [1%] was Native Hawaiian or Pacific Islander, one had missing race, and three [4%] were other races). At the primary analysis (median follow-up 5·9 months [IQR 4·6-8·6 months]), confirmed objective response was reported in 30 (38% [95% CI 27·3-49·6]) of 79 patients, including three (4%) complete responses and 27 (34%) partial responses, as assessed by independent central review. As of data cutoff for the updated analysis (median follow-up 10·2 months [IQR 5·6-12·9]), a confirmed objective response was reported in 33 (42% [95% CI 30·8-53·4]) of 79 patients, including four (5%) complete responses and 29 (37%) partial responses, as assessed by independent central review. The most common grade 3 or worse treatment-emergent adverse events were anaemia (11 [14%]), nausea (six [8%]), decreased neutrophil count (six [8%]), and decreased white blood cell count (five [6%]). Drug-related serious treatment-emergent adverse events occurred in ten patients (13%). Deaths determined to be associated with study treatment occurred in two patients (3%) and were due to interstitial lung disease or pneumonitis. INTERPRETATION These clinically meaningful results support the use of trastuzumab deruxtecan as second-line therapy in patients with HER2-positive advanced gastric or gastro-oesophageal junction cancer. FUNDING Daiichi Sankyo and AstraZeneca.
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Affiliation(s)
- Eric Van Cutsem
- University Hospitals Gasthuisberg, Leuven, University of Leuven, Leuven, Belgium.
| | | | - Elizabeth Smyth
- Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Ian Chau
- The Royal Marsden Hospital, Sutton, UK
| | - Haeseong Park
- Siteman Cancer Center, Washington University School of Medicine, St Louis, MO, USA
| | - Salvatore Siena
- Università degli Studi di Milano and Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Sara Lonardi
- Veneto Institute of Oncology IOV-IRCCS, Padova, Italy
| | - Zev A Wainberg
- Department of Medicine-Hematology-Oncology, University of California Los Angeles, Los Angeles, CA, USA
| | - Jaffer Ajani
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Joseph Chao
- City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | | | - Amy Qin
- Daiichi Sankyo, Basking Ridge, NJ, USA
| | | | | | | | - Geoffrey Ku
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
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22
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Zu M, Hao X, Ning J, Zhou X, Gong Y, Lang Y, Xu W, Zhang J, Ding S. Patient-derived organoid culture of gastric cancer for disease modeling and drug sensitivity testing. Biomed Pharmacother 2023; 163:114751. [PMID: 37105073 DOI: 10.1016/j.biopha.2023.114751] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 04/12/2023] [Accepted: 04/20/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Gastric cancer treatment is complicated by the molecular heterogeneity of human tumor cells, which limits the efficacy of standard therapy and necessitates the need for personalized treatment development. Patient-derived organoids (PDOs) are promising preclinical cancer models, exhibiting high clinical efficacy in predicting drug sensitivity, thus providing a new means for personalized precision medicine. METHODS PDOs were established from surgically resected gastric cancer tumor tissues. Molecular characterization of the tumor tissues and PDOs was performed using whole-exome sequencing analysis. Drug sensitivity tests were performed by treating the PDO cultures with 21 standard-of-care drugs corresponding to patient treatment. We evaluated whether the PDO drug phenotype reflects the corresponding patient's treatment response by comparing the drug sensitivity test results with clinical data. RESULTS Twelve PDOs that satisfied the drug sensitivity test criteria were successfully constructed. PDOs closely recapitulated the pathophysiology and genetic changes in the corresponding tumors, and exhibited different sensitivities to the tested drugs. In one clinical case study, the PDO accurately predicted the patient's sensitivity to capecitabine and oxaliplatin, and in a second case study the PDO successfully predicted the patient's insensitivity to S-1 chemotherapy. In summary, six of the eight cases exhibited consistency between PDO drug susceptibility test results and the clinical response of the matched patient. CONCLUSIONS PDO drug sensitivity tests can predict the clinical response of patients with gastric cancer to drugs, and PDOs can therefore be used as a preclinical platform to guide the development of personalized cancer treatment.
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Affiliation(s)
- Ming Zu
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China
| | - Xinyu Hao
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China
| | - Jing Ning
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China
| | - Xin Zhou
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Yueqing Gong
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China
| | - Yanfei Lang
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China
| | - Weichao Xu
- Department of Gastroenterology, Hebei Hospital of Traditional Chinese Medicine, Shijiazhuang 050011, China
| | - Jing Zhang
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China.
| | - Shigang Ding
- Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China; Beijing Key Laboratory for Helicobacter Pylori Infection and Upper Gastrointestinal Diseases, Beijing 100191, China.
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23
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Ma C, Wang X, Guo J, Yang B, Li Y. Challenges and future of HER2-positive gastric cancer therapy. Front Oncol 2023; 13:1080990. [PMID: 36793592 PMCID: PMC9924067 DOI: 10.3389/fonc.2023.1080990] [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: 10/26/2022] [Accepted: 01/09/2023] [Indexed: 01/31/2023] Open
Abstract
Gastric cancer is the fifth most common cancer worldwide, and the treatment of advanced gastric cancer has relatively little progress. With the continuous development of molecularly targeted therapy for tumors, it has been discovered that human epidermal growth factor receptor 2 (HER2) contributes to the poor prognosis and pathogenesis of various cancers. In order to treat HER2-positive advanced gastric cancer, Trastuzumab has emerged as the first first-line targeted medication used in conjunction with chemotherapy. The consequent trastuzumab resistance has become an important issue, and various new HER2-targeted gastric cancer drugs are emerging to address this challenge. This review's primary concern is the drug mechanism of various HER2-positive gastric cancer targeted therapy and fresh techniques of detection.
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Affiliation(s)
- Chenzhe Ma
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Key Laboratory of the Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Xiao Wang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Key Laboratory of the Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Jiwu Guo
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Key Laboratory of the Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Bo Yang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Key Laboratory of the Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
| | - Yumin Li
- The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Key Laboratory of the Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, China
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24
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Yamaguchi K, Bang YJ, Iwasa S, Sugimoto N, Ryu MH, Sakai D, Chung HC, Kawakami H, Yabusaki H, Lee J, Shimoyama T, Lee KW, Saito K, Kawaguchi Y, Kamio T, Kojima A, Sugihara M, Shitara K. Trastuzumab Deruxtecan in Anti-Human Epidermal Growth Factor Receptor 2 Treatment-Naive Patients With Human Epidermal Growth Factor Receptor 2-Low Gastric or Gastroesophageal Junction Adenocarcinoma: Exploratory Cohort Results in a Phase II Trial. J Clin Oncol 2023; 41:816-825. [PMID: 36379002 PMCID: PMC9901967 DOI: 10.1200/jco.22.00575] [Citation(s) in RCA: 36] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
PURPOSE To investigate efficacy and safety of trastuzumab deruxtecan (T-DXd) in human epidermal growth factor receptor 2 (HER2)-low gastric or gastroesophageal junction (GEJ) adenocarcinoma. METHODS Patients with locally advanced or metastatic HER2-low (cohort 1, immunohistochemistry 2+/in situ hybridization-negative; cohort 2, immunohistochemistry 1+) gastric/GEJ adenocarcinoma treated with at least two prior regimens, including fluoropyrimidine and platinum, but anti-HER2 therapy naive, received T-DXd 6.4 mg/kg intravenously once every 3 weeks. The primary end point was confirmed objective response rate by independent central review. RESULTS Among 21 patients enrolled in cohort 1 and 24 enrolled in cohort 2, 19 and 21 patients, respectively, had central HER2 confirmation, received T-DXd, and had measurable tumors at baseline. The confirmed objective response rate was 26.3% (95% CI, 9.1 to 51.2) from five partial responses in cohort 1 and 9.5% (95% CI, 1.2 to 30.4) from two partial responses in cohort 2. Thirteen patients (68.4%) in cohort 1 and 12 (60.0%) in cohort 2 experienced reduced tumor size. The median overall survival was 7.8 months (95% CI, 4.7 to nonevaluable) in cohort 1 and 8.5 months (95% CI, 4.3 to 10.9) in cohort 2; the median progression-free survival was 4.4 months (95% CI, 2.7 to 7.1) and 2.8 months (95% CI, 1.5 to 4.3), respectively. The most common grade ≥ 3 treatment-emergent adverse events in cohorts 1 and 2 were anemia (30.0% and 29.2%), decreased neutrophil count (25.0% and 29.2%), and decreased appetite (20.0% and 20.8%). Drug-related interstitial lung disease/pneumonitis occurred in one patient in each cohort (grade 1 or 2). No drug-related deaths occurred. CONCLUSION This study provides preliminary evidence that T-DXd has clinical activity in patients with heavily pretreated HER2-low gastric/GEJ adenocarcinoma.
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Affiliation(s)
- Kensei Yamaguchi
- Gastroenterological Chemotherapy Department, The Cancer Institute Hospital of JFCR, Tokyo, Japan,Kensei Yamaguchi, MD, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31, Ariake, Koto, Tokyo 135-8550, Japan; e-mail:
| | - Yung-Jue Bang
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - Satoru Iwasa
- Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Naotoshi Sugimoto
- Department of Medical Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Min-Hee Ryu
- Department of Oncology, Asan Medical Center, Seoul, South Korea
| | - Daisuke Sakai
- Department of Frontier Science for Cancer and Chemotherapy, Osaka University Hospital, Osaka, Japan
| | - Hyun Cheol Chung
- Department of Medical Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, South Korea
| | - Hisato Kawakami
- Department of Medical Oncology, Kindai University Hospital, Osaka, Japan
| | - Hiroshi Yabusaki
- Department of Medical Oncology, Niigata Cancer Center Hospital, Niigata, Japan
| | - Jeeyun Lee
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Tatsu Shimoyama
- Department of Medical Oncology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - Keun-Wook Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | | | | | | | | | | | - Kohei Shitara
- Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
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25
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Current molecular biomarkers evaluation in gastric/gastroesophageal junction adenocarcinoma: pathologist does matter. Updates Surg 2023; 75:291-303. [PMID: 35834132 PMCID: PMC9852175 DOI: 10.1007/s13304-022-01330-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/05/2022] [Indexed: 01/24/2023]
Abstract
The comprehensive molecular characterization of gastric and gastroesophageal junction adenocarcinomas has led to the improvement of targeted and more effective treatments. As a result, several biomarkers have been introduced into clinical practice and the implementation of innovative diagnostic tools is under study. Such assessments are mainly based on the evaluation of limited biopsy material in clinical practice. In this setting, the pathologist represents a key player in the selection of patients facilitating precision medicine approaches.
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26
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Petrillo A, Smyth EC, van Laarhoven HWM. Emerging targets in gastroesophageal adenocarcinoma: what the future looks like. Ther Adv Med Oncol 2023; 15:17588359231173177. [PMID: 37197225 PMCID: PMC10184253 DOI: 10.1177/17588359231173177] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/14/2023] [Indexed: 05/19/2023] Open
Abstract
Gastroesophageal adenocarcinoma (GEA) is a heterogeneous disease with a poor prognosis. Chemotherapy has been the cornerstone in treating metastatic diseases. Recently, the introduction of immunotherapy demonstrated improved survival outcomes in localized and metastatic diseases. Beyond immunotherapy, several attempts were made to improve patient survival by understanding the molecular mechanisms of GEA and several molecular classifications were published. In this narrative review, we will discuss emerging targets in GEA, including fibroblast growth factor receptor and Claudin 18.2, as well as the accompanying drugs. In addition, novel agents directed against well-known targets, such as HER2 and angiogenesis, will be discussed, as well as cellular therapies like CAR-T and SPEAR-T cells.
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27
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Ede NJ, Good AJ, Tobias J, Garner-Spitzer E, Zielinski CC, Wiedermann U. Development of the B cell cancer vaccine HER-vaxx for the treatment of her-2 expressing cancers. Front Oncol 2022; 12:939356. [PMID: 36578947 PMCID: PMC9791928 DOI: 10.3389/fonc.2022.939356] [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: 07/22/2022] [Accepted: 11/21/2022] [Indexed: 12/14/2022] Open
Abstract
Her-2/neu is a tumor-associated protein that is overexpressed in a number of malignancies, including advanced cancer of the stomach, and has been proposed as a human cancer vaccine target. Overexpression of Her-2/neu in human breast and gastric carcinomas correlates with a more aggressive course of disease that results in poorer overall survival rates and shorter times to disease progression than in patients with tumors without overexpression of Her-2/neu. Cancer vaccines have the ability to stimulate the native immune system and in particular engineered B cell epitopes can elicit high affinity polyclonal antibodies with similar efficacy to Her-2 monoclonal antibodies such as trastuzumab (Roche). HER-Vaxx is under development as a therapeutic B cell vaccine for the treatment of gastric cancer in patients with Her-2/neu overexpressing metastatic or advanced adenocarcinoma of the stomach or gastroesophageal junction, referred to as advanced cancer of the stomach. P467-CRM197, the vaccine's immunogenic component, contains a single peptide antigen composed of 3 individual linear B cell epitope peptide sequences selected from the oncoprotein Her-2/neu that induce the patient's own B cells to produce endogenous anti-Her-2/neu antibodies. This review provides results from comprehensive preclinical studies encompassing primary and secondary pharmacodynamics, biodistribution and safety studies. These studies were performed to support clinical development of HER-Vaxx. Results from the GLP toxicology study in rodents showed that the vaccine did not produce any observable adverse effects suggesting that the doses proposed for the clinical trial should be well tolerated in patients.
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Affiliation(s)
- Nicholas J. Ede
- Immunotherapy R&D Department, Imugene Limited, Sydney, NSW, Australia,*Correspondence: Nicholas J. Ede,
| | - Anthony J. Good
- Immunotherapy R&D Department, Imugene Limited, Sydney, NSW, Australia
| | - Joshua Tobias
- Institute of Specific Prophylaxis and Tropical Medicine, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Erika Garner-Spitzer
- Institute of Specific Prophylaxis and Tropical Medicine, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Christoph C. Zielinski
- Central European Cancer Center, Wiener Privatklinik, and Central European Cooperative Oncology Group (CECOG), Vienna, Austria
| | - Ursula Wiedermann
- Institute of Specific Prophylaxis and Tropical Medicine, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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Immune Checkpoint Blockade and Targeted Therapies in Esophageal Cancer. Thorac Surg Clin 2022; 32:467-478. [DOI: 10.1016/j.thorsurg.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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29
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Coutzac C, Funk-Debleds P, Cattey-Javouhey A, Desseigne F, Guibert P, Marolleau P, Rochefort P, de la Fouchardière C. Targeting HER2 in metastatic gastroesophageal adenocarcinomas: What is new? Bull Cancer 2022; 110:552-559. [PMID: 36229267 DOI: 10.1016/j.bulcan.2022.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/19/2022] [Accepted: 08/27/2022] [Indexed: 11/07/2022]
Abstract
Gastric and esophageal adenocarcinomas represent a biologically heterogeneous disease. The identification, in early eighties, of human epidermal growth factor receptor 2 (HER2) overexpression, being present in 12 to 20% of the cases, marked a major milestone in the efforts of unraveling the molecular complexity of this disease. This led to the development of anti-HER2-therapies, trastuzumab being the first to demonstrate, in combination with cisplatin and 5FU/capecitabine chemotherapy, an improvement in response rate and survival in the first-line setting of patients with metastatic, HER2-positive gastroesophageal adenocarcinomas. Afterwards, during a decade, several studies have tried new strategies either to block HER2 pathway differently or to combine different anti-HER2, without efficacy. Everything changed with studies demonstrating additive effect between anti-HER2 and immune checkpoint inhibitors and leading to phase III clinical trials combining anti-HER2 and anti-PD-L1/PD1 therapies. Pembrolizumab, a PD-1 inhibitor, was recently granted by FDA an accelerated approval, in patients with HER2-positive gastro-oesophageal adenocarcinomas, in combination with trastuzumab and platinum-based chemotherapy following meaningful improvement in overall response rate over standard treatment. Progression-free and overall-survival results are still awaited to change our first-line standard treatment. Furthermore, new HER2 inhibitors have been developed, blocking HER2-mediated pathway signaling via different mechanisms from pan-HER inhibition to anti-HER2 antibody drug conjugates with promising results in pretreated patients. Trastuzumab-deruxtecan has in particular showed interesting results in pretreated patients. We present here a review of the recent data and perspectives in HER2-positive metastatic gastroesophageal adenocarcinomas.
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30
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Fong C, Chau I. HER2 Inhibition in Gastric Cancer-Novel Therapeutic Approaches for an Established Target. Cancers (Basel) 2022; 14:cancers14153824. [PMID: 35954487 PMCID: PMC9367333 DOI: 10.3390/cancers14153824] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 11/16/2022] Open
Abstract
Gastric cancer is a leading cause of cancer-related deaths globally. Human epidermal growth receptor 2 (HER2) overexpression of HER2 gene amplification is present in 20% of gastric cancers and defines a subset amenable to HER2-directed therapeutics. The seminal ToGA study led to routine use of the monoclonal antibody trastuzumab in conjunction to platinum-fluoropyridimine first-line chemotherapy for HER2-positive gastric cancers as standard-of-care. Although limited progress was made in the decade following ToGA, there is now an abundance of novel therapeutic approaches undergoing investigation in parallel. Additionally, new data from randomised trials have indicated efficacy of the antibody-drug conjugate trastuzumab deruxtecan in chemorefractory patients and increased responses with the addition of first-line immune checkpoint blockade to trastuzumab and chemotherapy. This review will outline the data supporting HER2 targeting in gastric cancers, discuss mechanisms of response and resistance to HER2-directed therapies and summarise the emerging therapies under clinical evaluation that may evolve the way we manage this subset of gastric cancers in the future.
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31
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Loria R, Vici P, Di Lisa FS, Soddu S, Maugeri-Saccà M, Bon G. Cross-Resistance Among Sequential Cancer Therapeutics: An Emerging Issue. Front Oncol 2022; 12:877380. [PMID: 35814399 PMCID: PMC9259985 DOI: 10.3389/fonc.2022.877380] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/04/2022] [Indexed: 11/13/2022] Open
Abstract
Over the past two decades, cancer treatment has benefited from having a significant increase in the number of targeted drugs approved by the United States Food and Drug Administration. With the introduction of targeted therapy, a great shift towards a new era has taken place that is characterized by reduced cytotoxicity and improved clinical outcomes compared to traditional chemotherapeutic drugs. At present, targeted therapies and other systemic anti-cancer therapies available (immunotherapy, cytotoxic, endocrine therapies and others) are used alone or in combination in different settings (neoadjuvant, adjuvant, and metastatic). As a result, it is not uncommon for patients affected by an advanced malignancy to receive subsequent anti-cancer therapies. In this challenging complexity of cancer treatment, the clinical pathways of real-life patients are often not as direct as predicted by standard guidelines and clinical trials, and cross-resistance among sequential anti-cancer therapies represents an emerging issue. In this review, we summarize the main cross-resistance events described in the diverse tumor types and provide insight into the molecular mechanisms involved in this process. We also discuss the current challenges and provide perspectives for the research and development of strategies to overcome cross-resistance and proceed towards a personalized approach.
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Affiliation(s)
- Rossella Loria
- Cellular Network and Molecular Therapeutic Target Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Patrizia Vici
- Unit of Phase IV Trials, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Francesca Sofia Di Lisa
- Unit of Phase IV Trials, IRCCS Regina Elena National Cancer Institute, Rome, Italy
- Medical Oncology A, Department of Radiological, Oncological, and Anatomo-Pathological Sciences, Umberto I University Hospital, University Sapienza, Rome, Italy
| | - Silvia Soddu
- Cellular Network and Molecular Therapeutic Target Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Marcello Maugeri-Saccà
- Division of Medical Oncology 2, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Giulia Bon
- Cellular Network and Molecular Therapeutic Target Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
- *Correspondence: Giulia Bon,
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Corti C, Antonarelli G, Valenza C, Nicolò E, Rugo H, Cortés J, Harbeck N, Carey LA, Criscitiello C, Curigliano G. Histology-agnostic approvals for antibody-drug conjugates in solid tumours: is the time ripe? Eur J Cancer 2022; 171:25-42. [PMID: 35696887 DOI: 10.1016/j.ejca.2022.04.039] [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: 03/19/2022] [Revised: 04/11/2022] [Accepted: 04/29/2022] [Indexed: 11/15/2022]
Abstract
Several antibody-drug conjugates (ADCs) have been recently approved to treat solid tumours. Since ADCs seem to have activity in multiple malignancies sharing the expression of a specific antigen, they may be mirroring the experience of histology-agnostic-targeted treatments. So, the possibility to interpret the activity of some ADCs across different cancer types in a biomarker-driven perspective arises. However, relevant biological, methodological, and regulatory challenges should be highlighted and addressed, in order to grant ADCs biomarker-driven regulatory approvals in the next future. In this review, we discuss challenges and opportunities posed by the pan-histological expansion of ADCs in solid tumours. In particular, we provide an overview about technological and manufacturing advancements; we offer up-to-date highlights of the current evidence from clinical trials investigating ADCs in solid tumours; we discuss the need for the identification of optimal predictive biomarkers, as well as major methodological, statistical, and regulatory considerations for a biomarker-driven histology-agnostic approach.
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Affiliation(s)
- Chiara Corti
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Haematology (DIPO), University of Milan, Milan, Italy
| | - Gabriele Antonarelli
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Haematology (DIPO), University of Milan, Milan, Italy
| | - Carmine Valenza
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Haematology (DIPO), University of Milan, Milan, Italy
| | - Eleonora Nicolò
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Haematology (DIPO), University of Milan, Milan, Italy
| | - Hope Rugo
- San Francisco, UCSF Helen Diller Family Comprehensive Cancer Center Precision Medicine Cancer Building, San Francisco, CA, USA
| | - Javier Cortés
- International Breast Cancer Center (IBCC), Quironsalud Group, Barcelona, Spain; Faculty of Biomedical and Health Sciences, Department of Medicine, Universidad Europea de Madrid, Spain
| | - Nadia Harbeck
- Breast Center, Dept OB&GYN and CCCMunich, LMU University Hospital, Munich, Germany
| | - Lisa A Carey
- University of North Carolina Lineberger Comprehensive Cancer Center, Chapel Hill, NC, USA
| | - Carmen Criscitiello
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Haematology (DIPO), University of Milan, Milan, Italy
| | - Giuseppe Curigliano
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, Milan, Italy; Department of Oncology and Haematology (DIPO), University of Milan, Milan, Italy.
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Real-World Data of Trastuzumab Deruxtecan for Advanced Gastric Cancer: A Multi-Institutional Retrospective Study. J Clin Med 2022; 11:jcm11082247. [PMID: 35456340 PMCID: PMC9030612 DOI: 10.3390/jcm11082247] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 12/09/2022] Open
Abstract
Simple Summary Gastric cancer has the fifth highest incidence among cancers in the world, and it causes the third most cancer-related deaths. In this study, data from patients with HER2-positive advanced gastric cancer who received trastuzumab deruxtecan (T-DXd) were analyzed. Pre-administration of immune checkpoint inhibitors and a sufficiently long trastuzumab-free interval may be predictive factors of T-DXd efficacy. Abstract Trastuzumab deruxtecan (T-DXd) has shown promising efficacy against HER2-positive advanced gastric cancer (AGC). However, data on its real-world efficacy in AGC patients are insufficient, and the predictive marker of T-DXd is unclear. In this multi-center retrospective study, we collected clinical information of 18 patients with HER2-positive AGC who received T-DXd after intolerant or refractory responses to at least two prior regimens and analyzed predictive factors. The median age was 71 years (range: 51–85), 13 men were included, and ECOG performance status (PS): 0/1/2/3 was 9/6/2/1. A total of 11 patients (61%) received prior immune checkpoint inhibitors (ICIs), 14 patients were HER2 3+, and 4 patients were HER2 2+/FISH positive. The median trastuzumab (Tmab)-free interval was 7.7 months (range: 2.8–28.6). The overall response rate was 41%, and the disease control rate was 76%. Median progression-free survival (PFS) was 3.9 months (95% CI: 2.6–6.5), and median overall survival (OS) was 6.1 months (95% CI: 3.7–9.4). PFS (6.5 vs. 2.9 months, p = 0.0292) and OS (9.2 vs. 3.7 months, p = 0.0819) were longer in patients who received prior ICIs than in those who had not. PFS (6.5 vs. 3.4 months, p = 0.0249) and OS (9.4 vs. 5.7 months, p = 0.0426) were longer in patients with an 8 month or longer Tmab-free interval. In patients with ascites, PFS (6.5 vs. 2.75 months, p = 0.0139) and OS (9.4 vs. 3.9 months, p = 0.0460) were shorter. T-DXd showed promising efficacy in HER2-positive AGC patients in a real-world setting. Pre-administration of ICIs and a sufficient Tmab-free interval may be predictive factors of T-DXd efficacy.
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Highlights from the 2022 ASCO Gastrointestinal Cancer Symposium: an overview by the EORTC Gastrointestinal Tract Cancer Group. Clin Colorectal Cancer 2022; 21:188-197. [DOI: 10.1016/j.clcc.2022.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 04/09/2022] [Indexed: 11/23/2022]
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Kratz JD, Zhang W, Patel M, Uboha NV. Challenges in biomarker-based clinical trials for patients with gastrointestinal malignancies. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2022. [DOI: 10.1080/23808993.2022.2106852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Jeremy D. Kratz
- Carbone Cancer Center, University of Wisconsin, Madison, WI, USA
- Division of Hematology, Medical Oncology and Palliative care, Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA
- US Department of Veterans Affairs, William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin, USA
| | - Wei Zhang
- Carbone Cancer Center, University of Wisconsin, Madison, WI, USA
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Monica Patel
- Carbone Cancer Center, University of Wisconsin, Madison, WI, USA
- Division of Hematology, Medical Oncology and Palliative care, Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA
| | - Nataliya V. Uboha
- Carbone Cancer Center, University of Wisconsin, Madison, WI, USA
- Division of Hematology, Medical Oncology and Palliative care, Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, WI, USA
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Maeng HM, Moore BN, Bagheri H, Steinberg SM, Inglefield J, Dunham K, Wei WZ, Morris JC, Terabe M, England LC, Roberson B, Rosing D, Sachdev V, Pack SD, Miettinen MM, Barr FG, Weiner LM, Panch S, Stroncek DF, Wood LV, Berzofsky JA. Phase I Clinical Trial of an Autologous Dendritic Cell Vaccine Against HER2 Shows Safety and Preliminary Clinical Efficacy. Front Oncol 2021; 11:789078. [PMID: 34976830 PMCID: PMC8716407 DOI: 10.3389/fonc.2021.789078] [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: 10/04/2021] [Accepted: 11/08/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Despite recent advances, there is an urgent need for agents targeting HER2-expressing cancers other than breast cancer. We report a phase I study (NCT01730118) of a dendritic cell (DC) vaccine targeting HER2 in patients with metastatic cancer or bladder cancer at high risk of relapse. PATIENTS AND METHODS Part 1 of the study enrolled patients with HER2-expressing metastatic cancer that had progressed after at least standard treatment and patients who underwent definitive treatment for invasive bladder cancer with no evidence of disease at the time of enrollment. Part 2 enrolled patients with HER2-expressing metastatic cancer who had progressed after anti-HER2 therapy. The DC vaccines were prepared from autologous monocytes and transduced with an adenoviral vector expressing the extracellular and transmembrane domains of HER2 (AdHER2). A total of five doses were planned, and adverse events were recorded in patients who received at least one dose. Objective response was evaluated by unidimensional immune-related response criteria every 8 weeks in patients who received at least two doses. Humoral and cellular immunogenicity were assessed in patients who received more than three doses. RESULTS A total of 33 patients were enrolled at four dose levels (5 × 106, 10 × 106, 20 × 106, and 40 × 106 DCs). Median follow-up duration was 36 weeks (4-124); 10 patients completed five doses. The main reason for going off-study was disease progression. The main adverse events attributable to the vaccine were injection-site reactions. No cardiac toxicity was noted. Seven of 21 evaluable patients (33.3%) demonstrated clinical benefit (1 complete response, 1 partial response, and 5 stable disease). After ≥3 doses, an antibody response was detected in 3 of 13 patients (23.1%), including patients with complete and partial responses. Lymphocytes from 10 of 11 patients (90.9%) showed induction of anti-HER2 responses measured by the production of at least one of interferon-gamma, granzyme B, or tumor necrosis factor-alpha, and there were multifunctional responses in 8 of 11 patients (72.7%). CONCLUSIONS The AdHER2 DC vaccine showed evidence of immunogenicity and preliminary clinical benefit in patients with HER2-expressing cancers, along with an excellent safety profile. It shows promise for further clinical applications, especially in combination regimens.
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Affiliation(s)
- Hoyoung M. Maeng
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States,*Correspondence: Hoyoung M. Maeng,
| | - Brittni N. Moore
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Hadi Bagheri
- Radiology and Imaging Sciences, Clinical Center, National Institutes of Health, Bethesda, MD, United States
| | - Seth M. Steinberg
- Biostatistics and Data Management Section, National Cancer Institute, Rockville, MD, United States
| | - Jon Inglefield
- Clinical Support Laboratory, Applied/Developmental Research Directorate, Frederick National Laboratory, Frederick, MD, United States
| | - Kim Dunham
- Clinical Support Laboratory, Applied/Developmental Research Directorate, Frederick National Laboratory, Frederick, MD, United States
| | - Wei-Zen Wei
- Department of Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, MI, United States
| | - John C. Morris
- Division of Hematology-Oncology, University of Cincinnati, Cincinnati, OH, United States
| | - Masaki Terabe
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Lee C. England
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Brenda Roberson
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Douglas Rosing
- Cardiovascular Branch, National Heart, Lung, and Blood Institute, Bethesda, MD, United States
| | - Vandana Sachdev
- Cardiovascular Branch, National Heart, Lung, and Blood Institute, Bethesda, MD, United States
| | - Svetlana D. Pack
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Markku M. Miettinen
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Frederic G. Barr
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Louis M. Weiner
- Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Washington, DC, United States
| | - Sandhya Panch
- Center for Cellular Engineering, Clinical Center, National Institutes of Health, Bethesda, MD, United States
| | - David F. Stroncek
- Center for Cellular Engineering, Clinical Center, National Institutes of Health, Bethesda, MD, United States
| | - Lauren V. Wood
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
| | - Jay A. Berzofsky
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, United States
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Xiang R, Song W, Ren J, Wu J, Fu J, Fu T. Identification of stem cell-related subtypes and risk scoring for gastric cancer based on stem genomic profiling. Stem Cell Res Ther 2021; 12:563. [PMID: 34717747 PMCID: PMC8557621 DOI: 10.1186/s13287-021-02633-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 09/05/2021] [Indexed: 01/06/2023] Open
Abstract
Background Although numerous studies demonstrate the role of cancer stem cells in occurrence, recurrence, and distant metastases in gastric cancer (GC), little is known about the evolving genetic and epigenetic changes in the stem and progenitor cells. The purpose of this study was to identify the stem cell subtypes in GC and examine their clinical relevance. Methods Two publicly available datasets were used to identify GC stem cell subtypes, and consensus clustering was performed by unsupervised machine learning methods. The cancer stem cell (CSC) typing-related risk scoring (RS) model was established through multivariate Cox regression analysis. Results Cross-platform dataset-based two stable GC stem cell subtypes, namely low stem cell enrichment (SCE_L) and high stem cell enrichment (SCE_H), were prudently identified. Gene set enrichment analysis revealed that the classical oncogenic pathways, immune-related pathways, and regulation of stem cell division were active in SCE_H; ferroptosis, NK cell activation, and post-mutation repair pathways were active in SCE_L. GC stem cell subtypes could accurately predict clinical outcomes in patients, tumor microenvironment cell-infiltration characteristics, somatic mutation landscape, and potential responses to immunotherapy, targeted therapy, and chemotherapy. Additionally, a CSC typing-related RS model was established; it was strongly independent and could accurately predict the patient’s overall survival. Conclusions This study demonstrated the complex oncogenic mechanisms underlying GC. The findings provide a basis and reference for the diagnosis and treatment of GC. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02633-x.
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Affiliation(s)
- Renshen Xiang
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.,Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Wei Song
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.,Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Jun Ren
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.,Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Jing Wu
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.,Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Jincheng Fu
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.,Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
| | - Tao Fu
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China.
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Molecular Targets for Gastric Cancer Treatment and Future Perspectives from a Clinical and Translational Point of View. Cancers (Basel) 2021; 13:cancers13205216. [PMID: 34680363 PMCID: PMC8533881 DOI: 10.3390/cancers13205216] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/05/2021] [Accepted: 10/13/2021] [Indexed: 12/11/2022] Open
Abstract
Gastric cancer is a leading cause of cancer death worldwide. Systemic treatment comprising chemotherapy and targeted therapy is the standard of care in advanced/metastatic gastric cancer. Comprehensive molecular characterization of gastric adenocarcinomas by the TCGA Consortium and ACRG has resulted in the definition of distinct molecular subtypes. These efforts have in parallel built a basis for the development of novel molecularly stratified treatment approaches. Based on this molecular characterization, an increasing number of specific genomic alterations can potentially serve as treatment targets. Consequently, the development of promising compounds is ongoing. In this review, key molecular alterations in gastric and gastroesophageal junction cancers will be addressed. Finally, the current status of the translation of targeted therapy towards clinical applications will be reviewed.
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Ishii T, Shitara K. Trastuzumab deruxtecan and other HER2-targeting agents for the treatment of HER2-positive gastric cancer. Expert Rev Anticancer Ther 2021; 21:1193-1201. [PMID: 34543577 DOI: 10.1080/14737140.2021.1982698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Although various new drugs have been developed, the prognosis of therapeutic advances for metastatic gastric cancer is insufficient. Trastuzumab deruxtecan (T-DXd), a new human epidermal growth factor receptor 2 (HER2)-targeting antibody-drug conjugate (ADC), has demonstrated promising results in clinical trials. AREAS COVERED In this article, we review the history of anti-HER2 ADCs and focus on the efficacy and safety of T-DXd and describe the development of new anti-HER2 drugs. EXPERT OPINION So far, no other anti-HER2 ADCs have demonstrated efficacy in patients with HER2-positive advanced gastric cancer with two or more previous lines of chemotherapy, including trastuzumab. However, a new drug, T-DXd, has shown a significantly higher objective response rate and a longer overall survival and, thus, was approved in Japan. In the future, new anti-HER2 drugs and/or treatment strategies including T-DXd along with cytotoxic chemotherapy or immune checkpoint inhibitors will be developed.
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Affiliation(s)
- Takahiro Ishii
- Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - Kohei Shitara
- Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan.,Department of Experimental Therapeutics, National Cancer Center Hospital East, Kashiwa, Japan
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Biomarker-targeted therapies for advanced-stage gastric and gastro-oesophageal junction cancers: an emerging paradigm. Nat Rev Clin Oncol 2021; 18:473-487. [PMID: 33790428 DOI: 10.1038/s41571-021-00492-2] [Citation(s) in RCA: 130] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2021] [Indexed: 02/02/2023]
Abstract
Advances in cancer biology and sequencing technology have enabled the selection of targeted and more effective treatments for individual patients with various types of solid tumour. However, only three molecular biomarkers have thus far been demonstrated to predict a response to targeted therapies in patients with gastric and/or gastro-oesophageal junction (G/GEJ) cancers: HER2 positivity for trastuzumab and trastuzumab deruxtecan, and microsatellite instability (MSI) status and PD-L1 expression for pembrolizumab. Despite this lack of clinically relevant biomarkers, distinct molecular subtypes of G/GEJ cancers have been identified and have informed the development of novel agents, including receptor tyrosine kinase inhibitors and monoclonal antibodies, several of which are currently being tested in ongoing trials. Many of these trials include biomarker stratification, and some include analysis of circulating tumour DNA (ctDNA), which both enables the noninvasive assessment of biomarker expression and provides an indication of the contributions of intratumoural heterogeneity to response and resistance. The results of these studies might help to optimize the selection of patients to receive targeted therapies, thus facilitating precision medicine approaches for patients with G/GEJ cancers. In this Review, we describe the current evidence supporting the use of targeted therapies in patients with G/GEJ cancers and provide guidance on future research directions.
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Kahraman S, Yalcin S. Recent Advances in Systemic Treatments for HER-2 Positive Advanced Gastric Cancer. Onco Targets Ther 2021; 14:4149-4162. [PMID: 34285507 PMCID: PMC8286155 DOI: 10.2147/ott.s315252] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 06/09/2021] [Indexed: 12/13/2022] Open
Abstract
Gastric cancer (GC) is the fifth most common cancer worldwide. Despite recent improvements in treatment quality and options, advanced gastric cancer remains one of the hardest to cure cancers, with a median overall survival (OS) of 10–12 months and a 5-year OS of approximately 5–20%. There is an unmet need for further efforts to palliate disease-related symptoms, improve quality of life, increase tumor response rate, and prolong progression free and overall survival while balancing the toxicities of therapy. The most common type of GC is adenocarcinoma, which demonstrates morphological, biological, and clinical heterogeneity. A plethora of genomic alterations and the activation of numerous molecular pathways including human epidermal growth receptor 2 (HER2), epidermal growth factor receptor (EGFR), fibroblast growth factor receptor-2 (FGFR2), mesenchymal epidermal transforming factor receptor (MET), and the phosphatidylinositol 3-kinase (PI3K)/mammalian target of rapamycin (mTOR) are responsible for the complex heterogeneity of GC. Efforts to validate the therapeutic effects of inhibiting some of these aberrantly expressed pathways have failed to lead to a clinically meaningful outcome apart from the overexpression/amplification of the HER2 gene, inhibition of which has had a significant impact on clinical practice. The only available biomarkers to guide the effective treatment of patients with advanced GC are HER2 overexpression, MSI/PD-L1 status, and FGFR alterations. Various anti-HER2 agents have been evaluated after the success of the ToGA trial, but none led to a significant enough clinical improvement to be considered a viable alternative for HER2-targeted therapy in advanced GC until the global Keynote-811 trial, which added pembrolizumab to trastuzumab in combination with chemotherapy. This combination demonstrated a survival advantage for the first time in the 11 years since ToGA. Trastuzumab deruxtecan (T-DXd) was also found to be effective in patients who had already received >2 previous lines of treatment. Despite these promising avenues, the optimal management of HER-2 positive GC still requires further development.
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Affiliation(s)
- Seda Kahraman
- Yıldırım Beyazıt University Faculty of Medicine, Department of Medical Oncology, Ankara, Turkey
| | - Suayib Yalcin
- Hacettepe University Institute of Cancer, Department of Medical Oncology, Ankara, Turkey
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Roviello G, Aprile G, D'Angelo A, Iannone LF, Roviello F, Polom K, Mini E, Catalano M. Human epidermal growth factor receptor 2 (HER2) in advanced gastric cancer: where do we stand? Gastric Cancer 2021; 24:765-779. [PMID: 33742317 DOI: 10.1007/s10120-021-01182-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/10/2021] [Indexed: 02/07/2023]
Abstract
Gastric cancer is one of the most common malignancy worldwide. In unresectable or metastatic disease, the prognosis is poor and in generally less than a year. HER2 expression remains an important biomarker to lead the addition of trastuzumab to first-line systemic chemotherapy in unresectable or metastatic gastroesophageal adenocarcinoma. To date, a major issue is represented by resistance to trastuzumab developed during treatment, considering the not improved outcomes in this molecular subtype of gastroesophageal adenocarcinoma to other HER2 target strategies. In this review, we summarize the available data on the mechanisms underlying primary and secondary resistance to HER2-targeted therapy and current challenges in the treatment of HER2-positive advanced gastric cancer refractory to trastuzumab. Furthermore, we describe the prognostic value of new non-invasive screening methods, under development novel agents (e.g., HER2 antibody-drug conjugates and bispecific antibodies) and strategies with antitumor activity in early studies.
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Affiliation(s)
- Giandomenico Roviello
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Viale Pieraccini, 6, 50139, Florence, Italy.
| | - Giuseppe Aprile
- Department of Oncology, San Bortolo General Hospital, Vicenza, Italy
| | - Alberto D'Angelo
- Department of Biology and Biochemistry, University of Bath, Bath, BA2 7AY, UK
| | | | - Franco Roviello
- Department of Medical, Surgical and Neuro Sciences, Section of Surgery, Azienda Ospedaliera Universitaria Senese, University of Siena, Siena, Italy
| | - Karol Polom
- Department of Medical, Surgical and Neuro Sciences, Section of Surgery, Azienda Ospedaliera Universitaria Senese, University of Siena, Siena, Italy.,Department of Surgical Oncology, Gdansk Medical University, Gdansk, Poland
| | - Enrico Mini
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Viale Pieraccini, 6, 50139, Florence, Italy
| | - Martina Catalano
- School of Human Health Sciences, University of Florence, Largo Brambilla 3, 50134, Florence, Italy
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Aoki M, Iwasa S, Boku N. Trastuzumab deruxtecan for the treatment of HER2-positive advanced gastric cancer: a clinical perspective. Gastric Cancer 2021; 24:567-576. [PMID: 33646464 DOI: 10.1007/s10120-021-01164-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 01/22/2021] [Indexed: 02/07/2023]
Abstract
Human epidermal growth factor receptor 2 (HER2)-positive gastric cancer is a subtype for which new drugs and specific treatment strategies should be developed. Trastuzumab deruxtecan (T-DXd) is a novel HER2-targeted antibody-drug conjugate containing topoisomerase I inhibitor as a payload. In the randomized phase 2 study (DESTINY-Gastric01) for HER2-positive advanced gastric or gastroesophageal junction cancer (AGC), patients treated with T-DXd showed a significantly higher response rate compared with the chemotherapy of physician's choice, associated with remarkably prolonged progression-free and overall survival. T-DXd also exhibits anti-tumor activity to HER2-negative tumor cells close to HER2-positive cells (so-called bystander killing effect). T-DXd was effective even for HER2-low expressing breast and gastric cancer in several clinical studies. Taking advantage of these strong points and synergism with other cytotoxic, molecular-targeted and immunological agents, it is expected that T-DXd will bring further progression in treatment both for strongly and weakly HER2 positive AGC in various treatment settings including perioperative chemotherapy.
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Affiliation(s)
- Masahiko Aoki
- Division of Gastrointestinal Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Satoru Iwasa
- Division of Gastrointestinal Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Narikazu Boku
- Division of Gastrointestinal Medical Oncology, National Cancer Center Hospital, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
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44
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Jiao XD, Liu K, Wu Y, Zhou XC, Qin BD, Ling Y, Liu J, He X, Du H, Xiang J, Zang YS. HER2 Splice Site Mutation c.1899-1G>A as the Potential Acquired Resistance to Trastuzumab in a Patient with HER2-Positive Gastric Adenocarcinoma. Oncologist 2021; 26:717-721. [PMID: 33896090 DOI: 10.1002/onco.13799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 04/02/2021] [Indexed: 01/23/2023] Open
Abstract
The addition of trastuzumab to chemotherapy regimen is the standard of care for human epidermal growth factor receptor 2 (HER2)-positive advanced gastric cancer; however, most patients eventually acquire trastuzumab resistance. Although some resistance mechanisms to trastuzumab-based regimens have been proposed, further understanding is required for developing therapeutic strategies to overcome the resistance. In the present work, we attempted to determine the possible resistance mechanism to trastuzumab in a patient with HER2-positive stage IV gastric adenocarcinoma. In this study, we first report the nucleotide change c.1899-1G>A at the intron 15 acceptor splice site promoting exon 16 deletion of HER2 as the potential mechanism of trastuzumab resistance in HER2-positive gastric adenocarcinoma. KEY POINTS: The combination of trastuzumab with chemotherapy is considered to be the standard therapy for HER2-positive advanced gastric cancer (GC), but most of the patients eventually acquire trastuzumab resistance. The mechanisms of resistance to trastuzumab in GC are poorly characterized. To the best of the authors' knowledge, this study is the first to implicate HER2 c.1899-1G>A, which results in exon 16 skpping, as the acquired resistance mechanism to trastuzumab in HER2-positive gastric adenocarcinoma. This work provides insights into the potential molecular mechanism of trastuzumab resistance, which is crucial in developing effective therapeutic strategies for HER2-positive GC patients refractory to trastuzumab.
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Affiliation(s)
- Xiao-Dong Jiao
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Ke Liu
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Ying Wu
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Xin-Cheng Zhou
- Department of Internal Medicine, Qingyang People Hospital, Qingyang, Anhui, People's Republic of China
| | - Bao-Dong Qin
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Yan Ling
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Jun Liu
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Xi He
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
| | - Haiwei Du
- Burning Rock Biotech, Guangzhou, People's Republic of China
| | - Jianxing Xiang
- Burning Rock Biotech, Guangzhou, People's Republic of China
| | - Yuan-Sheng Zang
- Department of Medical Oncology, Changzheng Hospital, Shanghai, People's Republic of China
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45
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Zhu Y, Zhu X, Wei X, Tang C, Zhang W. HER2-targeted therapies in gastric cancer. Biochim Biophys Acta Rev Cancer 2021; 1876:188549. [PMID: 33894300 DOI: 10.1016/j.bbcan.2021.188549] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/27/2021] [Accepted: 04/14/2021] [Indexed: 02/07/2023]
Abstract
Molecular targeted therapy of cancer has always been the focus of clinicians. Among those therapeutic targets, the human epidermal growth factor receptor-2 (HER-2) signaling pathway is one of the most popular targets for translational research in cancer. However, unlike prospect in breast cancer, HER-2 inhibitor trastuzumab is the only molecular targeted drug approved by US Food and Drug Administration (FDA) for the first-line treatment of HER-2 positive advanced gastric cancer. On this basis, a variety of novel HER2- targeted drugs for gastric cancer are under development, and related clinical researches are in full swing, including small molecular kinase inhibitors (e.g., afatinib, neratinib, pyrotinib), antibody-drug conjugates (e.g., DS-8201a, RC48-ADC) and other novel therapies (e.g., ZW25, CAR-T, BVAC-B). In this study, we will summarize the recent advances in anti-HER-2 agents, potential mechanisms of resistance to HER2-targeted therapy in HER2-positive gastric cancer. We will also discuss the future prospects of potential strategies to overcome anti-HER-2 resistance and development of novel anti-HER-2 approaches for the treatment of HER2-positive gastric cancer patients.
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Affiliation(s)
- Yinxing Zhu
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
| | - Xuedan Zhu
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
| | - Xiaowei Wei
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
| | - Cuiju Tang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China.
| | - Wenwen Zhang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China.
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Wiedermann U, Garner-Spitzer E, Chao Y, Maglakelidze M, Bulat I, Dechaphunkul A, Arpornwirat W, Charoentum C, Yen CJ, Yau TC, Tanasanvimon S, Maneechavakajorn J, Sookprasert A, Bai LY, Chou WC, Ungtrakul T, Drinic M, Tobias J, Zielinski CC, Chong L, Ede NJ, Marino MT, Good AJ. Clinical and Immunologic Responses to a B-Cell Epitope Vaccine in Patients with HER2/neu-Overexpressing Advanced Gastric Cancer-Results from Phase Ib Trial IMU.ACS.001. Clin Cancer Res 2021; 27:3649-3660. [PMID: 33879458 DOI: 10.1158/1078-0432.ccr-20-3742] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/30/2020] [Accepted: 04/16/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE HER2/neu is overexpressed in up to 30% of gastroesophageal adenocarcinomas (GEA) and linked to poor prognosis. Recombinant mAbs to treat HER2/neu-overexpressing cancers are effective with limitations, including resistance and toxicity. Therefore, we developed a therapeutic B-cell epitope vaccine (IMU-131/HER-Vaxx) consisting of three fused B-cell epitopes from the HER2/neu extracellular domain coupled to CRM197 and adjuvanted with Montanide. This phase Ib study aimed to evaluate the optimal/safe dose leading to immunogenicity and clinical responses (https//clinicaltrials.gov/ct2/show/NCT02795988). PATIENTS AND METHODS A total of 14 patients with HER2/neu-overexpressing GEA were enrolled, and dose escalation (10, 30, 50 μg) was performed in three cohorts (C). Immunogenicity was evaluated by HER2-specific Abs and cellular responses, clinical responses by CT scans according to RECIST version 1.1. RESULTS IMU-131 was safe without vaccine-related significant local/systemic reactions or serious adverse events. A total of 11 of 14 patients were evaluable for changes in tumor size and vaccine-specific immune responses. One patient showed complete, 5 partial responses, and 4 stable diseases as their best response. HER2-specific IgG levels were dose dependent. In contrast to patients in C1 and C2, all patients in C3 mounted substantial HER2-specific Ab levels. In addition, cellular vaccine responses, such as Th1-biased cytokine ratios and reduced regulatory T cell numbers, were generated. Progression-free survival was prolonged in C3, correlating with the vaccine-specific humoral and cellular responses. CONCLUSIONS IMU-131 was well tolerated and safe. The induced HER2-specific Abs and cellular responses were dose dependent and correlated with clinical responses. The highest dose (50 μg) was recommended for further evaluation in a phase II trial, with chemotherapy + IMU-131 or chemotherapy alone, which is currently ongoing.
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Affiliation(s)
- Ursula Wiedermann
- Institute of Specific Prophylaxis and Tropical Medicine, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria.
| | - Erika Garner-Spitzer
- Institute of Specific Prophylaxis and Tropical Medicine, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Yee Chao
- Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | | | - Iurie Bulat
- ARENSIA Exploratory Medicine Research Unit, Institute of Oncology, Chisinau, Republic of Moldova
| | - Arunee Dechaphunkul
- Department of Medicine, Songklanagarind Hospital, Prince of Songkla University, Hat Yai, Thailand
| | | | - Chaiyut Charoentum
- Maharaj Nakorn Chiang Mai Hospital, Mueang Chiang Mai District, Thailand
| | | | - Thomas Cheung Yau
- Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong, Hong Kong
| | | | | | | | - Li-Yuan Bai
- China Medical University Hospital, Taichung City, Taiwan
| | - Wen-Chi Chou
- Linkou Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - Teerapat Ungtrakul
- Faculty of Medicine and Public Health, HRH Princess Chulabhorn College of Medical Science, Bangkok, Thailand
| | - Mirjana Drinic
- Institute of Specific Prophylaxis and Tropical Medicine, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Joshua Tobias
- Institute of Specific Prophylaxis and Tropical Medicine, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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Haffner I, Schierle K, Raimúndez E, Geier B, Maier D, Hasenauer J, Luber B, Walch A, Kolbe K, Riera Knorrenschild J, Kretzschmar A, Rau B, Fischer von Weikersthal L, Ahlborn M, Siegler G, Fuxius S, Decker T, Wittekind C, Lordick F. HER2 Expression, Test Deviations, and Their Impact on Survival in Metastatic Gastric Cancer: Results From the Prospective Multicenter VARIANZ Study. J Clin Oncol 2021; 39:1468-1478. [PMID: 33764808 PMCID: PMC8099392 DOI: 10.1200/jco.20.02761] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Trastuzumab is the only approved targeted drug for first-line treatment of human epidermal growth factor receptor 2–positive (HER2+) metastatic gastric cancer (mGC). However, not all patients respond and most eventually progress. The multicenter VARIANZ study aimed to investigate the background of response and resistance to trastuzumab in mGC.
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Affiliation(s)
- Ivonne Haffner
- University Cancer Center Leipzig (UCCL), Leipzig University Medical Center, Leipzig, Germany
| | - Katrin Schierle
- Institute of Pathology, Leipzig University Medical Center, Leipzig, Germany
| | - Elba Raimúndez
- Center for Mathematics, Chair of Mathematical Modeling of Biological Systems, Technische Universität München, Garching, Germany.,Faculty of Mathematics and Natural Sciences, University of Bonn, Bonn, Germany
| | | | | | - Jan Hasenauer
- Center for Mathematics, Chair of Mathematical Modeling of Biological Systems, Technische Universität München, Garching, Germany.,Faculty of Mathematics and Natural Sciences, University of Bonn, Bonn, Germany.,Helmholtz Zentrum München-German Research Center for Environmental Health, Institute of Computational Biology, Neuherberg, Germany
| | - Birgit Luber
- Institute of Pathology, Technische Universität München, Munich, Germany
| | - Axel Walch
- Helmholtz Zentrum München - German Research Center for Environmental Health, Research Unit Analytical Pathology, Neuherberg, Germany
| | - Katharina Kolbe
- University Cancer Center Leipzig (UCCL), Leipzig University Medical Center, Leipzig, Germany
| | | | | | - Beate Rau
- Department of General Surgery, Charité University of Berlin, Berlin, Germany
| | | | - Miriam Ahlborn
- Department of Hematology and Medical Oncology, Städtisches Klinikum Braunschweig, Braunschweig, Germany
| | - Gabriele Siegler
- Department of Internal Medicine, Hematology and Medical Oncology, Klinikum Nürnberg, Paracelsus Medizinische Privatuniversität Nürnberg, Nürnberg, Germany
| | - Stefan Fuxius
- Onkologische Schwerpunktpraxis Heidelberg, Heidelberg, Germany
| | - Thomas Decker
- Studienzentrum Onkologie Ravensburg, Ravensburg, Germany
| | | | - Florian Lordick
- University Cancer Center Leipzig (UCCL), Leipzig University Medical Center, Leipzig, Germany.,Department of Oncology, Gastroenterology, Hepatology, Pulmonology and Infectious Diseases, Leipzig University Medical Center, Leipzig, Germany
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48
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Catanese S, Lordick F. Targeted and immunotherapy in the era of personalised gastric cancer treatment. Best Pract Res Clin Gastroenterol 2021; 50-51:101738. [PMID: 33975679 DOI: 10.1016/j.bpg.2021.101738] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023]
Abstract
Gastric cancer is a major cause of cancer-related morbidity and mortality worldwide. Advances in targeted medical treatment were scarce in the past and challenged by the marked spatial and temporal biological heterogeneity of gastric cancer. Recent molecular profiling studies have increased our understanding of genetic and epigenetic drivers, leading to better patient selection for drug development. Beyond that, immune-related biomarkers were identified, paving the way for future effective immunotherapy. We systematically reviewed articles from PubMed of the past 10 years, and abstracts from annual meetings of ESMO, ASCO and AACR to summarise the current knowledge about targeted and immunotherapy and outline pathways to future personalised therapy of gastric cancer.
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Affiliation(s)
- Silvia Catanese
- Unit of Medical Oncology, Department of Oncology, University of Pisa, Pisa, Italy
| | - Florian Lordick
- Department of Oncology, Gastroenterology, Hepatology, Pulmonology, and Infectious Diseases, University Cancer Centre Leipzig (UCCL), Leipzig University Medical Centre, Leipzig, Germany.
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49
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Xiang R, Rong Y, Ge Y, Song W, Ren J, Fu T. Cell differentiation trajectory predicts patient potential immunotherapy response and prognosis in gastric cancer. Aging (Albany NY) 2021; 13:5928-5945. [PMID: 33612483 PMCID: PMC7950306 DOI: 10.18632/aging.202515] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 12/29/2020] [Indexed: 04/12/2023]
Abstract
The purpose of this study was to investigate the differentiation trajectory of gastric cancer (GC) cells and its clinical relevance and generate a prognostic risk scoring (RS) signature based on GC differentiation-related genes (GDRGs) to predict overall survival (OS). Integrated single-cell RNA sequencing (scRNA-seq) and bulk RNA-seq data from GC samples were used for analysis. The cell differentiation trajectory analysis identified three subsets with distinct differentiation states, of which subsets I/II were involved in metabolic disorders, subset II were also associated with hypoxia tolerance, and subset III were related to immune-related pathways. GC samples were divided into three GDRG-based molecular subtypes, and it was found that molecular typing based on cell differentiation successfully predicted patient OS, clinicopathological features, immune infiltration status, and immune checkpoint gene expression. An eight-GDRG-based prognostic RS signature was generated, and the OS of the high-risk group was significantly worse than that of the low-risk group. By integrating the GDRG-based RS signature with prognostic clinicopathological characteristics, a clinicopathologic-genomic nomogram was constructed, and this nomogram yielded strong predictive performance and high accuracy. The study highlights the implication of GC cell differentiation for predicting patient clinical outcome and potential immunotherapy response and proposes a promising treatment direction for GC.
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Affiliation(s)
- Renshen Xiang
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
- The Central Laboratory of the First Clinical College of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Yuping Rong
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Yuhang Ge
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Wei Song
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
- The Central Laboratory of the First Clinical College of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Jun Ren
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
- The Central Laboratory of the First Clinical College of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Tao Fu
- Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
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50
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Chen C, Di Bartolomeo M, Corallo S, Strickler JH, Goyal L. Overcoming Resistance to Targeted Therapies in Gastrointestinal Cancers: Progress to Date and Progress to Come. Am Soc Clin Oncol Educ Book 2021; 40:161-173. [PMID: 32421451 DOI: 10.1200/edbk_280871] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Targeted therapies have transformed the treatment paradigm in diseases such as non-small cell lung cancer and melanoma but have shown relatively modest clinical benefit in gastrointestinal malignancies. Anti-EGFR therapy in RAS wild-type colorectal cancer, anti-HER2 therapy in HER2- amplified esophagogastric cancer, and FGFR and isocitrate dehydrogenase 1 (IDH1) inhibitors in FGFR2 fusion-positive and IDH1-mutant biliary tract cancers offer antitumor efficacy, but the clinical benefit and durability of response in each case are typically limited. We review targeted therapies in each of these therapeutic areas and discuss their clinical efficacy, mechanisms of primary and acquired resistance, and strategies to overcome this resistance. We discuss lessons learned that we hope will lead to an expanded role for molecularly targeted therapy options for patients with gastrointestinal cancers.
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Affiliation(s)
| | - Maria Di Bartolomeo
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Salvatore Corallo
- Medical Oncology Department, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Lipika Goyal
- Massachusetts General Hospital Cancer Center, Boston, MA
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