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Hao JL, Li XY, Liu YT, Lang JX, Liu DJ, Zhang CD. Antibody-drug conjugates in gastric cancer: from molecular landscape to clinical strategies. Gastric Cancer 2024; 27:887-906. [PMID: 38963593 DOI: 10.1007/s10120-024-01529-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
Antibody-drug conjugates (ADCs) represent a crucial component of targeted therapies in gastric cancer, potentially altering traditional treatment paradigms. Many ADCs have entered rigorous clinical trials based on biological theories and preclinical experiments. Modality trials have also been conducted in combination with monoclonal antibody therapies, chemotherapies, immunotherapies, and other treatments to enhance the efficacy of drug coordination effects. However, ADCs exhibit limitations in treating gastric cancer, including resistance triggered by their structure or other factors. Ongoing intensive researches and preclinical experiments are yielding improvements, while enhancements in drug development processes and concomitant diagnostics during the therapeutic period actively boost ADC efficacy. The optimal treatment strategy for gastric cancer patients is continually evolving. This review summarizes the clinical progress of ADCs in treating gastric cancer, analyzes the mechanisms of ADC combination therapies, discusses resistance patterns, and offers a promising outlook for future applications in ADC drug development and companion diagnostics.
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Affiliation(s)
- Jia-Lin Hao
- Central Laboratory, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, China
| | - Xin-Yun Li
- Clinical Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, China
| | - Yu-Tong Liu
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, 110022, China
| | - Ji-Xuan Lang
- Department of Surgical Oncology, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, China
| | - Di-Jie Liu
- Central Laboratory, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, China
| | - Chun-Dong Zhang
- Central Laboratory, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, China.
- Department of Surgical Oncology, The Fourth Affiliated Hospital of China Medical University, Shenyang, 110032, China.
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2
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Garaulet G, Báez BB, Medrano G, Rivas-Sánchez M, Sánchez-Alonso D, Martinez-Torrecuadrada JL, Mulero F. Radioimmunotheragnosis in Cancer Research. Cancers (Basel) 2024; 16:2896. [PMID: 39199666 PMCID: PMC11352548 DOI: 10.3390/cancers16162896] [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: 06/13/2024] [Revised: 08/02/2024] [Accepted: 08/13/2024] [Indexed: 09/01/2024] Open
Abstract
The combination of immunoPET-where an antibody (Ab) is labeled with an isotope for PET imaging-and radioimmunotherapy (RIT), using the same antibody with a therapeutic isotope, offers significant advantages in cancer management. ImmunoPET allows non-invasive imaging of antigen expression, which aids in patient selection for subsequent radioimmunotherapy. It also facilitates the assessment of tumor response to therapy, allowing for treatment adjustments if necessary. In addition, immunoPET provides critical pharmacokinetic data, including antibody biodistribution and clearance rates, which are essential for dosimetry calculations and treatment protocol optimization. There are still challenges to overcome. Identifying appropriate target antigens that are selectively expressed on cancer cells while minimally expressed on normal tissues remains a major hurdle to reduce off-target toxicity. In addition, it is critical to optimize the pharmacokinetics of radiolabeled antibodies to maximize tumor uptake and minimize normal tissue uptake, particularly in vital organs such as the liver and kidney. This approach offers the potential for targeted and personalized cancer therapy with reduced systemic toxicity by exploiting the specificity of monoclonal antibodies and the cytotoxic effects of radiation. However, further research is needed to address remaining challenges and to optimize these technologies for clinical use.
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Affiliation(s)
- Guillermo Garaulet
- Molecular Imaging Unit, Spanish National Cancer Center—CNIO, 28029 Madrid, Spain; (G.G.); (B.B.B.); (G.M.)
| | - Bárbara Beatriz Báez
- Molecular Imaging Unit, Spanish National Cancer Center—CNIO, 28029 Madrid, Spain; (G.G.); (B.B.B.); (G.M.)
| | - Guillermo Medrano
- Molecular Imaging Unit, Spanish National Cancer Center—CNIO, 28029 Madrid, Spain; (G.G.); (B.B.B.); (G.M.)
| | - María Rivas-Sánchez
- Protein Production Unit, Spanish National Cancer Center—CNIO, 28029 Madrid, Spain; (M.R.-S.); (D.S.-A.)
| | - David Sánchez-Alonso
- Protein Production Unit, Spanish National Cancer Center—CNIO, 28029 Madrid, Spain; (M.R.-S.); (D.S.-A.)
| | | | - Francisca Mulero
- Molecular Imaging Unit, Spanish National Cancer Center—CNIO, 28029 Madrid, Spain; (G.G.); (B.B.B.); (G.M.)
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Badier L, Quelven I. Zirconium 89 and Copper 64 for ImmunoPET: From Antibody Bioconjugation and Radiolabeling to Molecular Imaging. Pharmaceutics 2024; 16:882. [PMID: 39065579 PMCID: PMC11279968 DOI: 10.3390/pharmaceutics16070882] [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: 04/30/2024] [Revised: 06/15/2024] [Accepted: 06/24/2024] [Indexed: 07/28/2024] Open
Abstract
Immunotherapy has transformed cancer treatment. Nevertheless, given the heterogeneity of clinical efficacy, the multiplicity of treatment options available and the possibility of serious adverse effects, selecting the most effective treatment has become the greatest challenge. Molecular imaging offers an attractive way for this purpose. ImmunoPET provides specific imaging with positron emission tomography (PET) using monoclonal antibodies (mAb) or its fragments as vector. By combining the high targeting specificity of mAb and the sensitivity of PET technique, immunoPET could noninvasively and dynamically reveal tumor antigens expression and provide theranostic tools of several types of malignancies. Because of their slow kinetics, mAbs require radioelements defined by a consistent half-life. Zirconium 89 (89Zr) and Copper 64 (64Cu) are radiometals with half-lives suitable for mAb labeling. Radiolabeling with a radiometal requires the prior use of a bifunctional chelate agent (BFCA) to functionalize mAb for radiometal chelation, in a second step. There are a number of BFCA available and much research is focused on antibody functionalization techniques or on developing the optimum chelating agent depending the selected radiometal. In this manuscript, we present a critical account of radiochemical techniques with radionuclides 89Zr and 64Cu and their applications in preclinical and clinical immuno-PET imaging.
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Affiliation(s)
| | - Isabelle Quelven
- Toulouse NeuroImaging Center (ToNIC), INSERM/UPS UMR 1214, University Hospital of Toulouse-Purpan, CEDEX 3, 31024 Toulouse, France;
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Morgan J, Manickavel S, Sorace A, Hartman Y, Eli A, Massicano A, Gonzalez ML, Warram JM, Walsh E. Utility of Targeted Positron Emission Tomography Imaging to Predict Schwannoma Growth in a Murine Tumor Model. Laryngoscope 2024; 134:1372-1380. [PMID: 37578272 DOI: 10.1002/lary.30943] [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: 01/24/2023] [Revised: 05/31/2023] [Accepted: 07/14/2023] [Indexed: 08/15/2023]
Abstract
OBJECTIVE To identify if targeted positron emission tomography (PET) imaging with radiolabeled antibodies can predict tumor growth rate and ultimate tumor size in a murine flank schwannoma model. STUDY DESIGN Animal research study. METHODS Rat schwannoma cells were cultured and implanted into 40 athymic nude mice. Once tumors reached 5 mm in diameter, 30 mice were injected with zirconium-89 labeled antibodies (HER2/Neu, vascular endothelial growth factor receptor 2 (VEGFR2), or IgG isotype). PET/CT was performed, and standardized uptake values (SUV) were recorded. Tumors were serially measured until mice were sacrificed per IACUC protocol. Statistical analysis was performed to measure correlations between SUV values, tumor size, and growth. RESULTS Mean tumor sizes in mm3 on Day 0 were 144 ± 162 for anti-HER2/Neu, 212 ± 247 for anti-VEGFR2, and 172 ± 204 for IgG isotype groups respectively. Mean growth rates in mm3 /day were 531 ± 250 for HER2, 584 ± 188 for VEGFR2, and 416 ± 163 for the IgG isotype group. For both initial tumor size and growth rates, there was no significant difference between groups. There were significant correlations between maximum tumor volume and both the SUV max in the HER2 group (p = 0.0218, R2 = 0.5020), and we observed significant correlations between growth rate, and SUV values (p = 0.0156, R2 = 0.5394). Respectively, in the anti-VEGFR2 group, there were no significant correlations. CONCLUSION In a murine schwannoma model, immunotargeted PET imaging with anti-HER2/Neu antibodies predicted tumor growth rate and final tumor size. Laryngoscope, 134:1372-1380, 2024.
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Affiliation(s)
- Jake Morgan
- Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Sudhir Manickavel
- Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Anna Sorace
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Yolanda Hartman
- Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Abbigael Eli
- Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Adriana Massicano
- Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Manuel Lora Gonzalez
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jason M Warram
- Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Erika Walsh
- Department of Otolaryngology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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5
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Yin L, Xu A, Zhao Y, Gu J. Bioanalytical Assays for Pharmacokinetic and Biodistribution Study of Antibody-Drug Conjugates. Drug Metab Dispos 2023; 51:1324-1331. [PMID: 37290939 DOI: 10.1124/dmd.123.001313] [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: 02/28/2023] [Revised: 04/25/2023] [Accepted: 05/22/2023] [Indexed: 06/10/2023] Open
Abstract
Antibody-drug conjugates (ADCs) are produced by the chemical linkage of cytotoxic agents and monoclonal antibodies. The complexity and heterogeneity of ADCs and the low concentration of cytotoxic agent released in vivo poses big challenges to their bioanalysis. Understanding the pharmacokinetic behavior, exposure-safety, and exposure-efficacy relationships of ADCs is needed for their successful development. Accurate analytical methods are required to evaluate intact ADCs, total antibody, released small molecule cytotoxins, and related metabolites. The selection of appropriate bioanalysis methods for comprehensive analysis of ADCs is mainly dependent on the properties of cytotoxic agents, the chemical linker, and the attachment sites. The quality of the information about the whole pharmacokinetic profile of ADCs has been improved due to the development and improvement of analytical strategies for detection of ADCs, such as ligand-binding assays and mass spectrometry-related techniques. In this article, we will focus on the bioanalytical assays that have been used in the pharmacokinetic study of ADCs and discuss their advantages, current limitations, and potential challenges. SIGNIFICANCE STATEMENT: This article describes bioanalysis methods which have been used in pharmacokinetic study of ADCs and discusses the advantages, disadvantages and potential challenges of these assays. This review is useful and helpful and will provide insights and reference for bioanalysis and development of ADCs.
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Affiliation(s)
- Lei Yin
- Research Center for Drug Metabolism, School of Life Sciences, Jilin University, Changchun, 130012, PR China (L.Y., A.X., Y.Z., J.G.) and School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, PR China (L.Y.)
| | - Aiyun Xu
- Research Center for Drug Metabolism, School of Life Sciences, Jilin University, Changchun, 130012, PR China (L.Y., A.X., Y.Z., J.G.) and School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, PR China (L.Y.)
| | - Yumeng Zhao
- Research Center for Drug Metabolism, School of Life Sciences, Jilin University, Changchun, 130012, PR China (L.Y., A.X., Y.Z., J.G.) and School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, PR China (L.Y.)
| | - Jingkai Gu
- Research Center for Drug Metabolism, School of Life Sciences, Jilin University, Changchun, 130012, PR China (L.Y., A.X., Y.Z., J.G.) and School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, PR China (L.Y.)
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6
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Puyalto A, Rodríguez-Remírez M, López I, Iribarren F, Simón JA, Ecay M, Collantes M, Vilalta-Lacarra A, Francisco-Cruz A, Solórzano JL, Sandiego S, Peñuelas I, Calvo A, Ajona D, Gil-Bazo I. A novel [ 89Zr]-anti-PD-1-PET-CT to assess response to PD-1/PD-L1 blockade in lung cancer. Front Immunol 2023; 14:1272570. [PMID: 37841258 PMCID: PMC10569300 DOI: 10.3389/fimmu.2023.1272570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 09/12/2023] [Indexed: 10/17/2023] Open
Abstract
Background Harnessing the anti-tumor immune system response by targeting the program cell death protein (PD-1) and program cell death ligand protein (PD-L1) axis has been a major breakthrough in non-small cell lung cancer (NSCLC) therapy. Nonetheless, conventional imaging tools cannot accurately assess response in immunotherapy-treated patients. Using a lung cancer syngeneic mouse model responder to immunotherapy, we aimed to demonstrate that [89Zr]-anti-PD-1 immuno-PET is a safe and feasible imaging modality to assess the response to PD-1/PD-L1 blockade in NSCLC. Materials and methods A syngeneic mouse model responder to anti-PD-1 therapy was used. Tumor growth and response to PD-1 blockade were monitored by conventional 2-deoxy-2-[18F]fluoro-D-glucose ([18F]-FDG) PET scans. Additionally, tumor lymphocyte infiltration was analyzed by the use of an [89Zr]-labeled anti-PD-1 antibody and measured as 89Zr tumor uptake. Results Conventional [18F]-FDG-PET scans failed to detect the antitumor activity exerted by anti-PD-1 therapy. However, [89Zr]-anti-PD-1 uptake was substantially higher in mice that responded to PD-1 blockade. The analysis of tumor-infiltrating immune cell populations and interleukins demonstrated an increased anti-tumor effect elicited by activation of effector immune cells in PD-1-responder mice. Interestingly, a positive correlation between [89Zr]-anti-PD-1 uptake and the proportion of tumor-infiltrating lymphocytes (TILs) was found (Cor = 0.8; p = 0.001). Conclusion Our data may support the clinical implementation of immuno-PET as a promising novel imaging tool to predict and assess the response of PD-1/PD-L1 inhibitors in patients with NSCLC.
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Affiliation(s)
- Ander Puyalto
- Department of Medical Oncology, Clínica Universidad de Navarra, Pamplona, Spain
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
| | - María Rodríguez-Remírez
- Department of Medical Oncology, Clínica Universidad de Navarra, Pamplona, Spain
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
| | - Inés López
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
| | - Fabiola Iribarren
- Department of Medical Oncology, Clínica Universidad de Navarra, Pamplona, Spain
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
| | - Jon Ander Simón
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Department of Nuclear Medicine, Clínica Universidad de Navarra, Pamplona, Spain
- Translational Molecular Imaging Unit, Clínica Universidad de Navarra, Pamplona, Spain
| | - Marga Ecay
- Department of Nuclear Medicine, Clínica Universidad de Navarra, Pamplona, Spain
- Translational Molecular Imaging Unit, Clínica Universidad de Navarra, Pamplona, Spain
| | - María Collantes
- Department of Nuclear Medicine, Clínica Universidad de Navarra, Pamplona, Spain
- Translational Molecular Imaging Unit, Clínica Universidad de Navarra, Pamplona, Spain
| | - Anna Vilalta-Lacarra
- Department of Medical Oncology, Clínica Universidad de Navarra, Pamplona, Spain
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
| | | | - Jose Luis Solórzano
- Departamento de Anatomía Patológica y Diagnóstico Molecular, Md Anderson Cancer Center, Madrid, Spain
- Unidad de Investigación Clínica de Cáncer de Pulmón Hospital Universitario 12 de octubre- Centro Nacional de Investigaciones Oncologicas (H12O-CNIO), Madrid, Spain
| | - Sergio Sandiego
- Department of Oncology, Fundación Instituto Valenciano de Oncología (FIVO), Valencia, Spain
| | - Iván Peñuelas
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
- Department of Nuclear Medicine, Clínica Universidad de Navarra, Pamplona, Spain
- Translational Molecular Imaging Unit, Clínica Universidad de Navarra, Pamplona, Spain
| | - Alfonso Calvo
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
- Centro de Investigación Biomédica en Red - Cáncer (CIBERONC), Madrid, Spain
| | - Daniel Ajona
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
- Centro de Investigación Biomédica en Red - Cáncer (CIBERONC), Madrid, Spain
| | - Ignacio Gil-Bazo
- Department of Medical Oncology, Clínica Universidad de Navarra, Pamplona, Spain
- University of Navarra, Cima-University of Navarra, Program in Solid Tumors, Pamplona, Spain
- Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
- Department of Oncology, Fundación Instituto Valenciano de Oncología (FIVO), Valencia, Spain
- Centro de Investigación Biomédica en Red - Cáncer (CIBERONC), Madrid, Spain
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7
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Chang HL, Schwettmann B, McArthur HL, Chan IS. Antibody-drug conjugates in breast cancer: overcoming resistance and boosting immune response. J Clin Invest 2023; 133:e172156. [PMID: 37712425 PMCID: PMC10503805 DOI: 10.1172/jci172156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023] Open
Abstract
Antibody-drug conjugates (ADCs) have emerged as a revolutionary therapeutic class, combining the precise targeting ability of monoclonal antibodies with the potent cytotoxic effects of chemotherapeutics. Notably, ADCs have rapidly advanced in the field of breast cancer treatment. This innovative approach holds promise for strengthening the immune system through antibody-mediated cellular toxicity, tumor-specific immunity, and adaptive immune responses. However, the development of upfront and acquired resistance poses substantial challenges in maximizing the effectiveness of these therapeutics, necessitating a deeper understanding of the underlying mechanisms. These mechanisms of resistance include antigen loss, derangements in ADC internalization and recycling, drug clearance, and alterations in signaling pathways and the payload target. To overcome resistance, ongoing research and development efforts are focused on urgently identifying biomarkers, integrating immune therapy approaches, and designing novel cytotoxic payloads. This Review provides an overview of the mechanisms and clinical effectiveness of ADCs, and explores their unique immune-boosting function, while also highlighting the complex resistance mechanisms and safety challenges that must be addressed. A continued focus on how ADCs impact the tumor microenvironment will help to identify new payloads that can improve patient outcomes.
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Affiliation(s)
- Hannah L. Chang
- Department of Internal Medicine, Division of Hematology and Oncology
- Harold C. Simmons Comprehensive Cancer Center, and
| | - Blake Schwettmann
- Department of Internal Medicine, Division of Hematology and Oncology
- Harold C. Simmons Comprehensive Cancer Center, and
| | - Heather L. McArthur
- Department of Internal Medicine, Division of Hematology and Oncology
- Harold C. Simmons Comprehensive Cancer Center, and
| | - Isaac S. Chan
- Department of Internal Medicine, Division of Hematology and Oncology
- Harold C. Simmons Comprehensive Cancer Center, and
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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8
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Melendez-Alafort L, Ferro-Flores G, De Nardo L, Ocampo-García B, Bolzati C. Zirconium immune-complexes for PET molecular imaging: Current status and prospects. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.215005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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9
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Chou J, Egusa EA, Wang S, Badura ML, Lee F, Bidkar AP, Zhu J, Shenoy T, Trepka K, Robinson TM, Steri V, Huang J, Wang Y, Small EJ, Chan E, Stohr BA, Ashworth A, Delafontaine B, Rottey S, Cooke KS, Hashemi Sadraei N, Yu B, Salvati M, Bailis JM, Feng FY, Flavell RR, Aggarwal R. Immunotherapeutic Targeting and PET Imaging of DLL3 in Small-Cell Neuroendocrine Prostate Cancer. Cancer Res 2023; 83:301-315. [PMID: 36351060 DOI: 10.1158/0008-5472.can-22-1433] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/06/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022]
Abstract
Effective treatments for de novo and treatment-emergent small-cell/neuroendocrine (t-SCNC) prostate cancer represent an unmet need for this disease. Using metastatic biopsies from patients with advanced cancer, we demonstrate that delta-like ligand 3 (DLL3) is expressed in de novo and t-SCNC and is associated with reduced survival. We develop a PET agent, [89Zr]-DFO-DLL3-scFv, that detects DLL3 levels in mouse SCNC models. In multiple patient-derived xenograft models, AMG 757 (tarlatamab), a half-life-extended bispecific T-cell engager (BiTE) immunotherapy that redirects CD3-positive T cells to kill DLL3-expressing cells, exhibited potent and durable antitumor activity. Late relapsing tumors after AMG 757 treatment exhibited lower DLL3 levels, suggesting antigen loss as a resistance mechanism, particularly in tumors with heterogeneous DLL3 expression. These findings have been translated into an ongoing clinical trial of AMG 757 in de novo and t-SCNC, with a confirmed objective partial response in a patient with histologically confirmed SCNC. Overall, these results identify DLL3 as a therapeutic target in SCNC and demonstrate that DLL3-targeted BiTE immunotherapy has significant antitumor activity in this aggressive prostate cancer subtype. SIGNIFICANCE The preclinical and clinical evaluation of DLL3-directed immunotherapy, AMG 757, and development of a PET radiotracer for noninvasive DLL3 detection demonstrate the potential of targeting DLL3 in SCNC prostate cancer.
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Affiliation(s)
- Jonathan Chou
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California
| | - Emily A Egusa
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiation Oncology and Urology, University of California, San Francisco, California
| | - Sinan Wang
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, California
| | - Michelle L Badura
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiation Oncology and Urology, University of California, San Francisco, California.,Department of Biology, Santa Clara University, Santa Clara, California
| | - Fei Lee
- Oncology Research, Amgen Research, Amgen, South San Francisco, California
| | - Anil P Bidkar
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, California
| | - Jun Zhu
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiation Oncology and Urology, University of California, San Francisco, California
| | - Tanushree Shenoy
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California
| | - Kai Trepka
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiation Oncology and Urology, University of California, San Francisco, California.,Medical Scientist Training Program, University of California, San Francisco, California
| | - Troy M Robinson
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiation Oncology and Urology, University of California, San Francisco, California
| | - Veronica Steri
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California
| | - Jiaoti Huang
- Department of Pathology, Duke University, Durham, North Carolina
| | - Yuzhuo Wang
- Department of Experimental Therapeutics, BC Cancer, Vancouver, British Columbia.,Vancouver Prostate Centre, Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Eric J Small
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California
| | - Emily Chan
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Pathology, University of California, San Francisco, California
| | - Bradley A Stohr
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Pathology, University of California, San Francisco, California
| | - Alan Ashworth
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California
| | | | | | - Keegan S Cooke
- Oncology Research, Amgen Research, Amgen, Thousand Oaks, California
| | | | - Brian Yu
- Global Development, Amgen, Thousand Oaks, California
| | - Mark Salvati
- Global Development, Amgen, Thousand Oaks, California
| | - Julie M Bailis
- Oncology Research, Amgen Research, Amgen, South San Francisco, California
| | - Felix Y Feng
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiation Oncology and Urology, University of California, San Francisco, California
| | - Robert R Flavell
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California.,Department of Radiology and Biomedical Imaging, University of California, San Francisco, California
| | - Rahul Aggarwal
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California
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10
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Fontes MS, Vargas Pivato de Almeida D, Cavalin C, Tagawa ST. Targeted Therapy for Locally Advanced or Metastatic Urothelial Cancer (mUC): Therapeutic Potential of Sacituzumab Govitecan. Onco Targets Ther 2022; 15:1531-1542. [PMID: 36575731 PMCID: PMC9790156 DOI: 10.2147/ott.s339348] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Urothelial carcinoma is the second most frequent genitourinary malignancy. Despite the poor prognosis, new treatment options have emerged and have expanded the therapeutic landscape for the disease. Although major improvements have been achieved, many patients experience rapid disease progression and low responses in subsequent lines of therapy. Sacituzumab govitecan is an ADC that targets Trop-2, which is highly expressed in urothelial cancers. Promising results in early clinical trials have led to further drug development which confirmed encouraging efficacy. Sacituzumab govitecan has been given accelerated approval in 2021 for patients with locally advanced and metastatic urothelial cancer who previously received a platinum containing chemotherapy and either a programmed death receptor-1 or programmed death ligand inhibitor. The results are promising, with encouraging efficacy and safety, however responses are not universal. There is a growing comprehension of mechanisms of resistance and predictive biomarkers that are crucial to improving outcomes. In this review, we summarize the current knowledge on antibody-drug conjugates and the clinical findings that led to the approval of Sacituzumab govitecan and discuss the therapeutic potential of new combinations, mechanisms of resistance and predictive biomarkers.
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Affiliation(s)
- Mariane S Fontes
- Oncology Department, Oncoclinicas Group, Rio de Janeiro, Brazil
- LACOG, Latin American Cooperative Oncology Group, Brazil
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11
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Lee JH, Jung KH, Kim M, Lee KH. Cysteine-specific 89Zr-labeled anti-CD25 IgG allows immuno-PET imaging of interleukin-2 receptor-α on T cell lymphomas. Front Immunol 2022; 13:1017132. [PMID: 36591250 PMCID: PMC9797992 DOI: 10.3389/fimmu.2022.1017132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction Positron emission tomography (PET) using radiolabeled Abs as imaging tracer is called immuno-PET. Immuno-PET can verify therapeutic Ab delivery and can noninvasively quantify global levels of target expression in tumors of living subjects. The interleukin-2 receptor α chain (IL-2Rα; CD25) is a promising target for immune therapy and radioimmunotherapy of lymphomas. Immuno-PET could facilitate this approach by visualizing CD25 expression in vivo. Methods We prepared 89Zr-anti-CD25 IgG specifically labeled to sulfhydryl moieties by maleimide-deferoxamine conjugation. Results and Discussion CD25(+) SUDHL1 human T-cell lymphoma cells showed high anti-human 89Zr-CD25 IgG binding that reached 32-fold of that of CD25(-) human lymphoma cells and was completely blocked by excess unlabeled Ab. In SUDHL1 tumor-bearing nude mice, pharmacokinetic studies demonstrated exponential reductions of whole blood and plasma activity following intravenous 89Zr-anti-CD25 IgG injection, with half-lives of 26.0 and 23.3 h, respectively. SUDHL1 tumor uptake of 89Zr-CD25 IgG was lower per weight in larger tumors, but blood activity did not correlate with tumor size or blood level of human CD25, indicating minimal influence by circulating soluble CD25 protein secreted from the lymphoma cells. 89Zr-CD25 IgG PET allowed high-contrast SUDHL1 lymphoma visualization at five days. Biodistribution studies confirmed high tumor 89Zr-CD25 IgG uptake (8.7 ± 0.9%ID/g) that was greater than blood (5.2 ± 1.6%ID/g) and organ uptakes (0.7 to 3.5%ID/g). Tumor CD25-specific targeting was confirmed by suppression of tumor uptake to 4.3 ± 0.2%ID by excess unlabeled CD25 IgG, as well as by low tumor uptake of 89Zr-labeled IgG2a isotype control Ab (3.6 ± 0.9%ID). Unlike CD25(+) lymphocytes from mouse thymus that showed specific uptake of anti-mouse 89Zr-CD25 IgG, EL4 mouse lymphoma cells had low CD25 expression and showed low uptake. In immunocompetent mice bearing EL4 tumors, anti-mouse 89Zr-CD25 IgG displayed low uptakes in normal organs as well as in the tumor. Furthermore, the biodistribution was not influenced by Ab blocking, indicating that specific uptake in nontumor tissues was minimal. 89Zr-CD25 IgG immuno-PET may thus be useful for imaging of T-cell lymphomas and noninvasive assessment of CD25 expression on target cells in vivo.
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Affiliation(s)
- Jin Hee Lee
- Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kyung-Ho Jung
- Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Mina Kim
- Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kyung-Han Lee
- Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,*Correspondence: Kyung-Han Lee,
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12
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Edelmann MR. Radiolabelling small and biomolecules for tracking and monitoring. RSC Adv 2022; 12:32383-32400. [PMID: 36425706 PMCID: PMC9650631 DOI: 10.1039/d2ra06236d] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/02/2022] [Indexed: 11/13/2022] Open
Abstract
Radiolabelling small molecules with beta-emitters has been intensively explored in the last decades and novel concepts for the introduction of radionuclides continue to be reported regularly. New catalysts that induce carbon/hydrogen activation are able to incorporate isotopes such as deuterium or tritium into small molecules. However, these established labelling approaches have limited applicability for nucleic acid-based drugs, therapeutic antibodies, or peptides, which are typical of the molecules now being investigated as novel therapeutic modalities. These target molecules are usually larger (significantly >1 kDa), mostly multiply charged, and often poorly soluble in organic solvents. However, in preclinical research they often require radiolabelling in order to track and monitor drug candidates in metabolism, biotransformation, or pharmacokinetic studies. Currently, the most established approach to introduce a tritium atom into an oligonucleotide is based on a multistep synthesis, which leads to a low specific activity with a high level of waste and high costs. The most common way of tritiating peptides is using appropriate precursors. The conjugation of a radiolabelled prosthetic compound to a functional group within a protein sequence is a commonly applied way to introduce a radionuclide or a fluorescent tag into large molecules. This review highlights the state-of-the-art in different radiolabelling approaches for oligonucleotides, peptides, and proteins, as well as a critical assessment of the impact of the label on the properties of the modified molecules. Furthermore, applications of radiolabelled antibodies in biodistribution studies of immune complexes and imaging of brain targets are reported.
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Affiliation(s)
- Martin R Edelmann
- Department of Pharmacy and Pharmacology, University of Bath Bath BA2 7AY UK
- Roche Pharma Research and Early Development, Roche Innovation Center Basel, Therapeutic Modalities, Small Molecule Research, Isotope Synthesis, F. Hoffmann-La Roche Ltd CH-4070 Basel Switzerland
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13
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Lee KH, Jung KH, Lee JH. Immuno-PET Imaging and Radioimmunotherapy of Lymphomas. Mol Pharm 2022; 19:3484-3491. [PMID: 36046954 DOI: 10.1021/acs.molpharmaceut.2c00563] [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: 11/30/2022]
Abstract
Monoclonal antibodies (Ab) have revolutionized the management of lymphomas, the most common hematologic malignancy in adults. Indeed, incorporation of rituximab into the regimen for indolent non-Hodgkin's lymphomas (NHLs) has dramatically improved treatment response and disease outcome. Yet, newer Ab therapeutics against promising antigen targets need to be developed to treat refractory or relapsed patients. Treatment efficacy can be further enhanced by conjugating toxic molecules to the Abs. Radioimmunotherapy (RIT) harnesses Abs as vehicles for targeted delivery of therapeutic radionuclide payloads for direct killing of targeted tumor cells. Positron emission tomography (PET) with radiolabeled Abs (called immuno-PET) can facilitate the development of new Ab therapeutics and RIT by providing pharmacokinetic and pharmacodynamic information and by quantifying tumor antigen level relevant for treatment decision. Immuno-PET has recently gravitated toward labeling Abs with 89Zr, a radiometal with a 3.3 day half-life that is trapped following Ab internalization and thus provides high-resolution PET images with excellent contrast. Immuno-PET methods against major lymphoma antigens including CD20 and other promising targets are currently under development. With continued improvements, immuno-PET has the potential to be used in lymphoma management as an imaging biomarker for patient selection and assessment of treatment response.
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Affiliation(s)
- Kyung-Han Lee
- Department of Nuclear Medicine, Samsung Medical Center, 50 Ilwon-dong, Gangnam-gu, Seoul 06351, Korea.,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul 06355, Korea
| | - Kyung-Ho Jung
- Department of Nuclear Medicine, Samsung Medical Center, 50 Ilwon-dong, Gangnam-gu, Seoul 06351, Korea.,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul 06355, Korea
| | - Jin Hee Lee
- Department of Nuclear Medicine, Samsung Medical Center, 50 Ilwon-dong, Gangnam-gu, Seoul 06351, Korea.,Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University School of Medicine, Seoul 06355, Korea
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14
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ImmunoPET for prostate cancer in the PSMA era: do we need other targets? Clin Transl Imaging 2022. [DOI: 10.1007/s40336-022-00520-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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Trastuzumab-conjugated oxine-based ligand for [ 89Zr]Zr 4+ immunoPET. J Inorg Biochem 2022; 235:111936. [PMID: 35878576 DOI: 10.1016/j.jinorgbio.2022.111936] [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: 05/02/2022] [Revised: 06/21/2022] [Accepted: 07/14/2022] [Indexed: 11/20/2022]
Abstract
A new, bifunctional chelating ligand for immuno-Positron Emission Tomography (PET) was designed, synthesized, and conjugated to Trastuzumab for a proof-of-concept study with 89Zr. H4neunox was synthesized from the tris(2-aminoethyl)amine backbone, decorated with 8-hydroxyquinoline moieties, and utilizes a primary amine for functionalization. A maleimide moiety extends the chelator to create H4neunox-mal for antibody conjugation via maleimide-thiol click chemistry. Preliminary 89Zr radiolabeling of H4neunox indicated quantitative radiolabeling at 1 × 10-5 M, but improved inertness towards human serum (96% intact at 7 d) and Fe3+ (92% intact at 24 h) compared to the previously synthesized H5decaox. The chelator was successfully conjugated to the monoclonal antibody, Trastuzumab, and used in preliminary radiolabeling reactions (37 °C, 2 h) with 89Zr. Radiochemical assessments of the new H4neunox-Trastuzumab conjugate include 89Zr radiolabeling, spin filter purification, cell-binding immunoreactivity, and in vivo PET imaging and biodistribution in SKOV-3 tumour bearing nude mice, performed in comparison with the desferrioxamine B analog, DFO-Trastuzumab. The [89Zr]Zr(neunox-Trastuzumab) showed lowered inertness towards serum (76% intact at 24 h) as well as demetallation in vivo through bone uptake (21% ID/g) in PET imaging and biodistribution studies when compared to [89Zr]Zr(DFO-Trastuzumab). Although the combination of the chelator and antibody had detrimental effects on their intended purposes, nonetheless, the primary amine platform of H4neunox developed here provides an oxine-based bifunctional ligand for further derivatizations with other targeting vectors.
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16
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Jin Y, Edalatian Zakeri S, Bahal R, Wiemer AJ. New Technologies Bloom Together for Bettering Cancer Drug Conjugates. Pharmacol Rev 2022; 74:680-711. [PMID: 35710136 PMCID: PMC9553120 DOI: 10.1124/pharmrev.121.000499] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Drug conjugates, including antibody-drug conjugates, are a step toward realizing Paul Ehrlich's idea from over 100 years ago of a "magic bullet" for cancer treatment. Through balancing selective targeting molecules with highly potent payloads, drug conjugates can target specific tumor microenvironments and kill tumor cells. A drug conjugate consists of three parts: a targeting agent, a linker, and a payload. In some conjugates, monoclonal antibodies act as the targeting agent, but new strategies for targeting include antibody derivatives, peptides, and even small molecules. Linkers are responsible for connecting the payload to the targeting agent. Payloads impact vital cellular processes to kill tumor cells. At present, there are 12 antibody-drug conjugates on the market for different types of cancers. Research on drug conjugates is increasing year by year to solve problems encountered in conjugate design, such as tumor heterogeneity, poor circulation, low drug loading, low tumor uptake, and heterogenous expression of target antigens. This review highlights some important preclinical research on drug conjugates in recent years. We focus on three significant areas: improvement of antibody-drug conjugates, identification of new conjugate targets, and development of new types of drug conjugates, including nanotechnology. We close by highlighting the critical barriers to clinical translation and the open questions going forward. SIGNIFICANCE STATEMENT: The development of anticancer drug conjugates is now focused in three broad areas: improvements to existing antibody drug conjugates, identification of new targets, and development of new conjugate forms. This article focuses on the exciting preclinical studies in these three areas and advances in the technology that improves preclinical development.
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Affiliation(s)
- Yiming Jin
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
| | | | - Raman Bahal
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
| | - Andrew J Wiemer
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut
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17
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Cahuzac H, Sallustrau A, Malgorn C, Beau F, Barbe P, Babin V, Dubois S, Palazzolo A, Thai R, Correia I, Lee KB, Garcia-Argote S, Lequin O, Keck M, Nozach H, Feuillastre S, Ge X, Pieters G, Audisio D, Devel L. Monitoring In Vivo Performances of Protein-Drug Conjugates Using Site-Selective Dual Radiolabeling and Ex Vivo Digital Imaging. J Med Chem 2022; 65:6953-6968. [PMID: 35500280 PMCID: PMC9833330 DOI: 10.1021/acs.jmedchem.2c00401] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
In preclinical models, the development and optimization of protein-drug conjugates require accurate determination of the plasma and tissue profiles of both the protein and its conjugated drug. To this aim, we developed a bioanalytical strategy based on dual radiolabeling and ex vivo digital imaging. By combining enzymatic and chemical reactions, we obtained homogeneous dual-labeled anti-MMP-14 Fabs (antigen-binding fragments) conjugated to monomethyl auristatin E where the protein scaffold was labeled with carbon-14 (14C) and the conjugated drug with tritium (3H). These antibody-drug conjugates with either a noncleavable or a cleavable linker were then evaluated in vivo. By combining liquid scintillation counting and ex vivo dual-isotope radio-imaging, it was possible not only to monitor both components simultaneously during their circulation phase but also to quantify accurately their amount accumulated within the different organs.
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Affiliation(s)
- Héloïse Cahuzac
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Antoine Sallustrau
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Carole Malgorn
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Fabrice Beau
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Peggy Barbe
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Victor Babin
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Steven Dubois
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Alberto Palazzolo
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Robert Thai
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Isabelle Correia
- Sorbonne Université, Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Ki Baek Lee
- Institute of Molecular Medicine, University of Texas Health Science Center at Houston 1825 Pressler St, Houston TX 77030
| | - Sébastien Garcia-Argote
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Olivier Lequin
- Sorbonne Université, Ecole Normale Supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Mathilde Keck
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Hervé Nozach
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France)
| | - Sophie Feuillastre
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Xin Ge
- Institute of Molecular Medicine, University of Texas Health Science Center at Houston 1825 Pressler St, Houston TX 77030
| | - Gregory Pieters
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Davide Audisio
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, 91191 Gif-sur-Yvette, (France)
| | - Laurent Devel
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SIMoS, 91191 Gif-sur-Yvette, (France),
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18
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Liu T, Tao Y, Xia X, Zhang Y, Deng R, Wang Y. Analytical tools for antibody–drug conjugates: from in vitro to in vivo. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Kiseleva M, Omar MM, Boisselier É, Selivanova SV, Fortin MA. A Three-Dimensional Printable Hydrogel Formulation for the Local Delivery of Therapeutic Nanoparticles to Cervical Cancer. ACS Biomater Sci Eng 2022; 8:1200-1214. [PMID: 35226460 DOI: 10.1021/acsbiomaterials.1c01399] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cervical cancer is the fourth most common malignancy among women. Compared to other types of cancer, therapeutic agents can be administrated locally at the mucosal vaginal membrane. Thermosensitive gels have been developed over the years for contraception or for the treatment of bacterial, fungal, and sexually transmitted infections. These formulations often carry therapeutic nanoparticles and are now being considered in the arsenal of tools for oncology. They can also be three-dimensionally (3D) printed for a better geometrical adjustment to the anatomy of the patient, thus enhancing the local delivery treatment. In this study, a localized delivery system composed of a Pluronic F127-alginate hydrogel with efficient nanoparticle (NP) release properties was prepared for intravaginal application procedures. The kinetics of hydrogel degradation and its NP releasing properties were demonstrated with ultrasmall gold nanoparticles (∼80% of encapsulated AuNPs released in 48 h). The mucoadhesive properties of the hydrogel formulation were assayed by the periodic acid/Schiff reagent staining, which revealed that 19% of mucins were adsorbed on the gel's surface. The hydrogel formulation was tested for cytocompatibility in three cell lines (HeLa, CRL 2616, and BT-474; no sign of cytotoxicity revealed). The release of AuNPs from the hydrogel and their accumulation in vaginal membranes were quantitatively measured in vitro/ex vivo with positron emission tomography, a highly sensitive modality allowing real-time imaging of nanoparticle diffusion (lag time to start of permeation of 3.3 h, 47% of AuNPs accumulated in the mucosa after 42 h). Finally, the potential of the AuNP-containing Pluronic F127-alginate hydrogel for 3D printing was demonstrated, and the geometrical precision of the 3D printed systems was measured by magnetic resonance imaging (<0.5 mm precision; deviation from the design values <2.5%). In summary, this study demonstrates the potential of Pluronic F127-alginate formulations for the topical administration of NP-releasing gels applied to vaginal wall therapy. This technology could open new possibilities for photothermal and radiosensitizing oncology applications.
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Affiliation(s)
- Mariia Kiseleva
- Département de Génie des Mines, de la Métallurgie et des Matériaux, Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, Québec G1V 0A6, Canada.,Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec - Université Laval, 2705, boul. Laurier (T1-61a), Québec G1V 4G2, Canada
| | - Mahmoud M Omar
- Département de Génie des Mines, de la Métallurgie et des Matériaux, Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, Québec G1V 0A6, Canada.,Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec - Université Laval, 2705, boul. Laurier (T1-61a), Québec G1V 4G2, Canada
| | - Élodie Boisselier
- Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec - Université Laval, 2705, boul. Laurier (T1-61a), Québec G1V 4G2, Canada.,Département d'Ophtalmologie, Faculté de Médecine, Centre de Recherche sur les 1022 Matériaux Avancés (CERMA) and CUO-Recherche, Université Laval, Québec G3K 1A3, Canada
| | - Svetlana V Selivanova
- Faculty of Pharmacy, Université Laval, Québec G1V 0A6, Canada.,Axe Oncologie, Centre de Recherche du CHU de Québec - Université Laval, Québec G1R 3S3, Canada
| | - Marc-André Fortin
- Département de Génie des Mines, de la Métallurgie et des Matériaux, Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, Québec G1V 0A6, Canada.,Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec - Université Laval, 2705, boul. Laurier (T1-61a), Québec G1V 4G2, Canada
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20
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Parakh S, Lee ST, Gan HK, Scott AM. Radiolabeled Antibodies for Cancer Imaging and Therapy. Cancers (Basel) 2022; 14:1454. [PMID: 35326605 PMCID: PMC8946248 DOI: 10.3390/cancers14061454] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/14/2022] [Accepted: 03/07/2022] [Indexed: 12/04/2022] Open
Abstract
Radioimmunoconjugates consist of a monoclonal antibody (mAb) linked to a radionuclide. Radioimmunoconjugates as theranostics tools have been in development with success, particularly in hematological malignancies, leading to approval by the US Food and Drug Administration (FDA) for the treatment of non-Hodgkin's lymphoma. Radioimmunotherapy (RIT) allows for reduced toxicity compared to conventional radiation therapy and enhances the efficacy of mAbs. In addition, using radiolabeled mAbs with imaging methods provides critical information on the pharmacokinetics and pharmacodynamics of therapeutic agents with direct relevance to the optimization of the dose and dosing schedule, real-time antigen quantitation, antigen heterogeneity, and dynamic antigen changes. All of these parameters are critical in predicting treatment responses and identifying patients who are most likely to benefit from treatment. Historically, RITs have been less effective in solid tumors; however, several strategies are being investigated to improve their therapeutic index, including targeting patients with minimal disease burden; using pre-targeting strategies, newer radionuclides, and improved labeling techniques; and using combined modalities and locoregional application. This review provides an overview of the radiolabeled intact antibodies currently in clinical use and those in development.
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Affiliation(s)
- Sagun Parakh
- Department of Medical Oncology, Heidelberg, VIC 3084, Australia; (S.P.); (H.K.G.)
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3086, Australia
| | - Sze Ting Lee
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3086, Australia
- Department of Molecular Imaging and Therapy, Austin Health, Heidelberg, VIC 3084, Australia
| | - Hui K. Gan
- Department of Medical Oncology, Heidelberg, VIC 3084, Australia; (S.P.); (H.K.G.)
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3086, Australia
- Department of Medicine, University of Melbourne, Heidelberg, VIC 3010, Australia
| | - Andrew M. Scott
- Olivia Newton-John Cancer Research Institute, Heidelberg, VIC 3084, Australia;
- School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3086, Australia
- Department of Molecular Imaging and Therapy, Austin Health, Heidelberg, VIC 3084, Australia
- Department of Medicine, University of Melbourne, Heidelberg, VIC 3010, Australia
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21
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Lee S, Cavaliere A, Gallezot JD, Keler T, Michelhaugh SK, Belitzky E, Liu M, Mulnix T, Maher SE, Bothwell ALM, Li F, Phadke M, Mittal S, Marquez-Nostra B. [89Zr]ZrDFO-CR011 positron emission tomography correlates with response to glycoprotein non-metastatic melanoma B-targeted therapy in triple negative breast cancer. Mol Cancer Ther 2022; 21:440-447. [PMID: 35027482 DOI: 10.1158/1535-7163.mct-21-0590] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 11/14/2021] [Accepted: 01/11/2022] [Indexed: 11/16/2022]
Abstract
There is a need for prognostic markers to select patients most likely to benefit from antibody drug conjugate (ADC) therapy. We quantified the relationship between pre-treatment positron emission tomography (PET) imaging of glycoprotein non-metastatic melanoma B (gpNMB) with 89Zr-labeled anti-gpNMB antibody ([89Zr]ZrDFO-CR011) and response to ADC therapy (CDX-011) in triple negative breast cancer (TNBC). First, we compared different PET imaging metrics and found that standardized uptake values (SUV) and tumor-to-heart SUV ratios (SUVR) were sufficient to delineate differences in radiotracer uptake in the tumor of four different cell- and patient-derived tumor models and achieved high standardized effect sizes. These tumor models with varying levels of gpNMB expression were imaged with [89Zr]ZrDFO-CR011 followed by treatment with a single bolus injection of CDX-011. The percent change in tumor volume relative to baseline (% CTV) was then correlated with SUVmean of [89Zr]ZrDFO-CR011 uptake in the tumor. All gpNMB-positive tumor models responded to CDX-011 over 6 weeks of treatment, except one patient-derived tumor re-grew after 4 weeks of treatment. As expected, the gpNMB-negative tumor increased in volume by 130 {plus minus} 59 % at endpoint. The magnitude of pre-treatment SUV had the strongest inverse correlation with the % CTV at 2 - 4 weeks after treatment with CDX-011 (Spearman ρ = -0.8). However, pre-treatment PET imaging with [89Zr]ZrDFO-CR011 did not inform on which tumor types will re-grow over time. Other methods will be needed to predict resistance to treatment.
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Affiliation(s)
- Supum Lee
- Radiology and Biomedical Imaging, Yale University
| | | | | | | | | | | | - Michael Liu
- Radiology and Biomedical Imaging, Yale University
| | | | | | | | - Fangyong Li
- Yale Center for Analytic Sciences, Yale University School of Public Health
| | - Manali Phadke
- Yale Center for Analytical Sciences, Yale School of Medicine
| | - Sandeep Mittal
- Neurosurgery, Fralin Biomedical Research Institute at Virginia Tech Carilion School of Medicine
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22
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Not so innocent: Impact of fluorophore chemistry on the in vivo properties of bioconjugates. Curr Opin Chem Biol 2021; 63:38-45. [PMID: 33684856 DOI: 10.1016/j.cbpa.2021.01.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/22/2021] [Accepted: 01/28/2021] [Indexed: 12/11/2022]
Abstract
The combination of targeting ligands and fluorescent dyes is a powerful strategy to observe cell types and tissues of interest. Conjugates of peptides, proteins, and, in particular, monoclonal antibodies (mAbs) exhibit excellent tumor targeting in various contexts. This approach has been translated to a clinical setting to provide real-time molecular insights during the surgical resection of solid tumors. A critical element of this approach is the generation of highly fluorescent bioconjugates that maintain the properties of the parent targeting ligand. A number of studies have found that fluorophores can dramatically impact the pharmacokinetic and tumor-targeting properties of the bioconjugates they are meant to only innocently observe. In this review, we summarize several examples of these effects and highlight strategies that have been used to mitigate them. These include the application of site-specific labeling chemistries, modulating label density, and altering the structure of the fluorescent probe itself. In particular, we point out the significant potential of fluorophores with hydrophilic but net-neutral structures. Overall, this review highlights recent progress in refining the in vivo properties of fluorescent bioconjugates, and we hope, will inform future efforts in this area.
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23
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Mukai H, Watanabe Y. Review: PET imaging with macro- and middle-sized molecular probes. Nucl Med Biol 2021; 92:156-170. [PMID: 32660789 DOI: 10.1016/j.nucmedbio.2020.06.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 06/22/2020] [Accepted: 06/22/2020] [Indexed: 12/16/2022]
Abstract
Recent progress in radiolabeling of macro- and middle-sized molecular probes has been extending possibilities to use PET molecular imaging for dynamic application to drug development and therapeutic evaluation. Theranostics concept also accelerated the use of macro- and middle-sized molecular probes for sharpening the contrast of proper target recognition even the cellular types/subtypes and proper selection of the patients who should be treated by the same molecules recognition. Here, brief summary of the present status of immuno-PET, and then further development of advanced technologies related to immuno-PET, peptidic PET probes, and nucleic acids PET probes are described.
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Affiliation(s)
- Hidefumi Mukai
- Laboratory for Molecular Delivery and Imaging Technology, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan.
| | - Yasuyoshi Watanabe
- Laboratory for Pathophysiological and Health Science, RIKEN Center for Biosystems Dynamics Research, 6-7-3 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan.
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24
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Wang Q, Hai W, Shi S, Peng J, Xu Y. Oral uptake and persistence of the FnAb-8 protein characterized by in situ radio-labeling and PET/CT imaging. Asian J Pharm Sci 2020; 15:752-758. [PMID: 33363630 PMCID: PMC7750799 DOI: 10.1016/j.ajps.2020.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 03/04/2020] [Accepted: 03/05/2020] [Indexed: 11/28/2022] Open
Abstract
The absorption of peptides and proteins delivered orally is minimum because of the intestine epithelial barrier. There are few known active transport mechanisms for macromolecules including the neonatal Fc Receptor (FcRn) for the absorption and secretion of IgGs in infant and adult intestine. We had previously described the FnAb-8 protein that could bind to hFcRn tightly at pH 6.0 but barely at pH 7.4. In this study, we examined its uptake, biodistribution and pharmacokinetics after peroral administration in both wild-type and human FcRn transgenic (Tg) mice. FnAb-8 was modified to contain trans-cyclooctene (TCO) which could interact with 18F labeled tetrazine in situ via the bioorthogonal inverse-electron-demand Diels−Alder reaction. We showed that FnAb-8 had a tendency to distribute and persist in the Tg mice intestine for an extended duration of time. It could also be absorbed into the circulation and distributed systemically over a long period of time up to 172 h. The improvement in oral uptake and concentration in the intestine tissue may be valuable for designing oral delivery of biopharmaceuticals, especially for diseases involving the gastric intestinal tissue.
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Affiliation(s)
- Qian Wang
- School of Pharmacy and Chemistry, DaLi University, Dali 671000, China
| | - Wangxi Hai
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Sanyuan Shi
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jinliang Peng
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yuhong Xu
- School of Pharmacy and Chemistry, DaLi University, Dali 671000, China
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25
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Kręcisz P, Czarnecka K, Królicki L, Mikiciuk-Olasik E, Szymański P. Radiolabeled Peptides and Antibodies in Medicine. Bioconjug Chem 2020; 32:25-42. [PMID: 33325685 PMCID: PMC7872318 DOI: 10.1021/acs.bioconjchem.0c00617] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
![]()
Radiolabeled peptides
are a relatively new, very specific radiotracer
group, which is still expanding. This group is very diverse in terms
of peptide size. It contains very small structures containing several
amino acids and whole antibodies. Moreover, radiolabeled peptides
are diverse in terms of the binding aim and therapeutic or diagnostic
applications. The majority of this class of radiotracers is utilized
in oncology, where the same structure can be used in therapy and diagnostic
imaging by varying the radionuclide. In this study, we collected new
reports of radiolabeled peptide applications in diagnosis and therapy
in oncology and other fields of medicine. Radiolabeled peptides are
also increasingly being used in rheumatology, cardiac imaging, or
neurology. The studies collected in this review concern new therapeutic
and diagnostic procedures in humans and new structures tested on animals.
We also performed an analysis of clinical trials, which concerns application
of radiolabeled peptides and antibodies that were reported in the
clinicaltrials.gov database between 2008 and 2018.
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Affiliation(s)
- Paweł Kręcisz
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszyńskiego 1, 90-151 Lodz, Poland
| | - Kamila Czarnecka
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszyńskiego 1, 90-151 Lodz, Poland
| | - Leszek Królicki
- Department of Nuclear Medicine, Medical University of Warsaw, ul. Banacha 1 a, 02-097, Warsaw, Poland
| | - Elżbieta Mikiciuk-Olasik
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszyńskiego 1, 90-151 Lodz, Poland
| | - Paweł Szymański
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszyńskiego 1, 90-151 Lodz, Poland
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26
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Cahuzac H, Devel L. Analytical Methods for the Detection and Quantification of ADCs in Biological Matrices. Pharmaceuticals (Basel) 2020; 13:ph13120462. [PMID: 33327644 PMCID: PMC7765153 DOI: 10.3390/ph13120462] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/01/2020] [Accepted: 12/11/2020] [Indexed: 12/27/2022] Open
Abstract
Understanding pharmacokinetics and biodistribution of antibody–drug conjugates (ADCs) is a one of the critical steps enabling their successful development and optimization. Their complex structure combining large and small molecule characteristics brought out multiple bioanalytical methods to decipher the behavior and fate of both components in vivo. In this respect, these methods must provide insights into different key elements including half-life and blood stability of the construct, premature release of the drug, whole-body biodistribution, and amount of the drug accumulated within the targeted pathological tissues, all of them being directly related to efficacy and safety of the ADC. In this review, we will focus on the main strategies enabling to quantify and characterize ADCs in biological matrices and discuss their associated technical challenges and current limitations.
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27
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van Dongen GAMS, Beaino W, Windhorst AD, Zwezerijnen GJC, Oprea-Lager DE, Hendrikse NH, van Kuijk C, Boellaard R, Huisman MC, Vugts DJ. The Role of 89Zr-Immuno-PET in Navigating and Derisking the Development of Biopharmaceuticals. J Nucl Med 2020; 62:438-445. [PMID: 33277395 DOI: 10.2967/jnumed.119.239558] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/01/2020] [Indexed: 12/18/2022] Open
Abstract
The identification of molecular drivers of disease and the compelling rise of biotherapeutics have impacted clinical care but have also come with challenges. Such therapeutics include peptides, monoclonal antibodies, antibody fragments and nontraditional binding scaffolds, activatable antibodies, bispecific antibodies, immunocytokines, antibody-drug conjugates, enzymes, polynucleotides, and therapeutic cells, as well as alternative drug carriers such as nanoparticles. Drug development is expensive, attrition rates are high, and efficacy rates are lower than desired. Almost all these drugs, which in general have a long residence time in the body, can stably be labeled with 89Zr for whole-body PET imaging and quantification. Although not restricted to monoclonal antibodies, this approach is called 89Zr-immuno-PET. This review summarizes the state of the art of the technical aspects of 89Zr-immuno-PET and illustrates why it has potential for steering the design, development, and application of biologic drugs. Appealing showcases are discussed to illustrate what can be learned with this emerging technology during preclinical and especially clinical studies about biologic drug formats and disease targets. In addition, an overview of ongoing and completed clinical trials is provided. Although 89Zr-immuno-PET is a young tool in drug development, its application is rapidly expanding, with first clinical experiences giving insight on why certain drug-target combinations might have better perspectives than others.
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Affiliation(s)
- Guus A M S van Dongen
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Wissam Beaino
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Albert D Windhorst
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Gerben J C Zwezerijnen
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Daniela E Oprea-Lager
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - N Harry Hendrikse
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Cornelis van Kuijk
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Ronald Boellaard
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Marc C Huisman
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Danielle J Vugts
- Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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28
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Butler E, Schwettmann B, Geboers S, Hao G, Kim J, Nham K, Sun X, Laetsch TW, Xu L, Williams NS, Skapek SX. Functional imaging of RAS pathway targeting in malignant peripheral nerve sheath tumor cells and xenografts. Pediatr Blood Cancer 2020; 67:e28639. [PMID: 32975370 DOI: 10.1002/pbc.28639] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND Malignant peripheral nerve sheath tumor (MPNST) is an aggressive form of soft-tissue sarcoma (STS) in children. Despite intensive therapy, relatively few children with metastatic and unresectable disease survive beyond three years. RAS pathway activation is common in MPNST, suggesting MEK pathway inhibition as a targeted therapy, but the impact on clinical outcome has been small to date. PROCEDURE We conducted preclinical pharmacokinetic (PK) and pharmacodynamic studies of two MEK inhibitors, trametinib and selumetinib, in two MPNST models and analyzed tumors for intratumor drug levels. We then investigated 3'-deoxy-3'-[18 F]fluorothymidine (18 F-FLT) PET imaging followed by 18 F-FDG PET/CT imaging of MPNST xenografts coupled to short-term or longer-term treatment with selumetinib focusing on PET-based imaging as a biomarker of MEK inhibition. RESULTS Trametinib decreased pERK expression in MPNST xenografts but did not prolong survival or decrease Ki67 expression. In contrast, selumetinib prolonged survival of animals bearing MPNST xenografts, and this correlated with decreased pERK and Ki67 staining. PK studies revealed a significantly higher fraction of unbound selumetinib within a responsive MPNST xenograft model. Thymidine uptake, assessed by 18 F-FLT PET/CT, positively correlated with Ki67 expression in different xenograft models and in response to selumetinib. CONCLUSION The ability of MEK inhibitors to control MPNST growth cannot simply be predicted by serum drug levels or drug-induced changes in pERK expression. Tumor cell proliferation assessed by 18 F-FLT PET imaging might be useful as an early response marker to targeted therapies, including MEK inhibition, where a primary effect is cell-cycle arrest.
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Affiliation(s)
- Erin Butler
- Department of Pediatrics Division of Hematology/Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Blake Schwettmann
- Department of Pediatrics Division of Hematology/Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Sophie Geboers
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Guiyang Hao
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jiwoong Kim
- Quantitative Biomedical Research Center, Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Kien Nham
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Xiankai Sun
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas.,The Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Theodore W Laetsch
- Department of Pediatrics Division of Hematology/Oncology, University of Texas Southwestern Medical Center, Dallas, Texas.,The Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Lin Xu
- Department of Pediatrics Division of Hematology/Oncology, University of Texas Southwestern Medical Center, Dallas, Texas.,Quantitative Biomedical Research Center, Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, Texas.,The Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Noelle S Williams
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Stephen X Skapek
- Department of Pediatrics Division of Hematology/Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
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29
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Pandya DN, Henry KE, Day CS, Graves SA, Nagle VL, Dilling TR, Sinha A, Ehrmann BM, Bhatt NB, Menda Y, Lewis JS, Wadas TJ. Polyazamacrocycle Ligands Facilitate 89Zr Radiochemistry and Yield 89Zr Complexes with Remarkable Stability. Inorg Chem 2020; 59:17473-17487. [PMID: 33169605 DOI: 10.1021/acs.inorgchem.0c02722] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Over the last three decades, the chemistry of zirconium has facilitated antibody development and the clinical management of disease in the precision medicine era. Scientists have harnessed its reactivity, coordination chemistry, and nuclear chemistry to develop antibody-based radiopharmaceuticals incorporating zirconium-89 (89Zr: t1/2 = 78.4 h, β+: 22.8%, Eβ+max = 901 keV; EC: 77%, Eγ = 909 keV) to improve disease detection, identify patients for individualized therapeutic interventions. and monitor their response to those interventions. However, release of the 89Zr4+ ion from the radiopharmaceutical remains a concern, since it may confound the interpretation of clinical imaging data, negatively affect dosimetric calculations, and hinder treatment planning. In this report, we relate our novel observations involving the use of polyazamacrocycles as zirconium-89 chelators. We describe the synthesis and complete characterization of zirconium 2,2',2″,2‴-(1,4,7,10-tetraazacyclotridecane-1,4,7,10-tetrayl)tetraacetic acid (Zr-TRITA), zirconium 3,6,9,15-Tetraazabicyclo[9.3.1] pentadeca-1(15),11,13-triene-3,6,9-triacetic acid (Zr-PCTA), and zirconium 2,2',2″-(1,4,7-triazacyclononane-1,4,7-triyl)triacetic acid (Zr-NOTA). In addition, we elucidate the solid-state structure of each complex using single-crystal X-ray diffraction analysis. Finally, we found that [89Zr]Zr-PCTA and [89Zr]Zr-NOTA demonstrate excellent stability in vitro and in vivo and provide a rationale for these observations. These innovative findings have the potential to guide the development of safer and more robust immuno-PET agents to improve precision medicine applications.
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Affiliation(s)
- Darpan N Pandya
- Department of Radiology, University of Iowa, Iowa City, Iowa 52242, United States
| | - Kelly E Henry
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Cynthia S Day
- Department of Chemistry, Wake Forest University, Winston-Salem, North Carolina 27109, United States
| | - Stephen A Graves
- Department of Radiology, University of Iowa, Iowa City, Iowa 52242, United States
| | - Veronica L Nagle
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Thomas R Dilling
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Akesh Sinha
- Department of Radiology, University of Iowa, Iowa City, Iowa 52242, United States
| | - Brandie M Ehrmann
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Nikunj B Bhatt
- Department of Radiology, Columbia University, New York, New York 10032, United States
| | - Yusuf Menda
- Department of Radiology, University of Iowa, Iowa City, Iowa 52242, United States
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Thaddeus J Wadas
- Department of Radiology, University of Iowa, Iowa City, Iowa 52242, United States
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30
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Álamo P, Pallarès V, Céspedes MV, Falgàs A, Sanchez JM, Serna N, Sánchez-García L, Voltà-Duràn E, Morris GA, Sánchez-Chardi A, Casanova I, Mangues R, Vazquez E, Villaverde A, Unzueta U. Fluorescent Dye Labeling Changes the Biodistribution of Tumor-Targeted Nanoparticles. Pharmaceutics 2020; 12:pharmaceutics12111004. [PMID: 33105866 PMCID: PMC7690626 DOI: 10.3390/pharmaceutics12111004] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023] Open
Abstract
Fluorescent dye labeling is a common strategy to analyze the fate of administered nanoparticles in living organisms. However, to which extent the labeling processes can alter the original nanoparticle biodistribution has been so far neglected. In this work, two widely used fluorescent dye molecules, namely, ATTO488 (ATTO) and Sulfo-Cy5 (S-Cy5), have been covalently attached to a well-characterized CXCR4-targeted self-assembling protein nanoparticle (known as T22-GFP-H6). The biodistribution of labeled T22-GFP-H6-ATTO and T22-GFP-H6-S-Cy5 nanoparticles has been then compared to that of the non-labeled nanoparticle in different CXCR4+ tumor mouse models. We observed that while parental T22-GFP-H6 nanoparticles accumulated mostly and specifically in CXCR4+ tumor cells, labeled T22-GFP-H6-ATTO and T22-GFP-H6-S-Cy5 nanoparticles showed a dramatic change in the biodistribution pattern, accumulating in non-target organs such as liver or kidney while reducing tumor targeting capacity. Therefore, the use of such labeling molecules should be avoided in target and non-target tissue uptake studies during the design and development of targeted nanoscale drug delivery systems, since their effect over the fate of the nanomaterial can lead to considerable miss-interpretations of the actual nanoparticle biodistribution.
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Affiliation(s)
- Patricia Álamo
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Josep Carreras Leukaemia Research Institute (IJC Campus Sant Pau), 08025 Barcelona, Spain
| | - Victor Pallarès
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Josep Carreras Leukaemia Research Institute (IJC Campus Sant Pau), 08025 Barcelona, Spain
| | - María Virtudes Céspedes
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
| | - Aïda Falgàs
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Josep Carreras Leukaemia Research Institute (IJC Campus Sant Pau), 08025 Barcelona, Spain
| | - Julieta M. Sanchez
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- ICTA & Cátedra de Química Biológica, Departamento de Química, Instituto de Investigaciones Biológicas y Tecnológicas (IIBYT) (CONICET—Universidad Nacional de Córdoba), FCEFyN, UNC. Av. Velez Sarsfield 1611, X 5016GCA Córdoba, Argentina
| | - Naroa Serna
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Laura Sánchez-García
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Eric Voltà-Duràn
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Gordon A. Morris
- Department of Chemical Sciences, School of Applied Science, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK;
| | - Alejandro Sánchez-Chardi
- Servei de Microscòpia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Isolda Casanova
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Josep Carreras Leukaemia Research Institute (IJC Campus Sant Pau), 08025 Barcelona, Spain
| | - Ramón Mangues
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Josep Carreras Leukaemia Research Institute (IJC Campus Sant Pau), 08025 Barcelona, Spain
- Correspondence: (R.M.); or (A.V.); (U.U.)
| | - Esther Vazquez
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Antonio Villaverde
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Correspondence: (R.M.); or (A.V.); (U.U.)
| | - Ugutz Unzueta
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Sant Antoni Mª Claret 167, 08025 Barcelona, Spain; (P.Á.); (V.P.); (M.V.C.); (A.F.); (I.C.)
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), C/Monforte de Lemos 3–5, 28029 Madrid, Spain; (N.S.); (L.S.-G.); (E.V.-D.); (E.V.)
- Josep Carreras Leukaemia Research Institute (IJC Campus Sant Pau), 08025 Barcelona, Spain
- Departament de Genètica i de Microbiologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Correspondence: (R.M.); or (A.V.); (U.U.)
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Hafeez U, Parakh S, Gan HK, Scott AM. Antibody-Drug Conjugates for Cancer Therapy. Molecules 2020; 25:E4764. [PMID: 33081383 PMCID: PMC7587605 DOI: 10.3390/molecules25204764] [Citation(s) in RCA: 184] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/10/2020] [Accepted: 10/13/2020] [Indexed: 01/03/2023] Open
Abstract
Antibody-drug conjugates (ADCs) are novel drugs that exploit the specificity of a monoclonal antibody (mAb) to reach target antigens expressed on cancer cells for the delivery of a potent cytotoxic payload. ADCs provide a unique opportunity to deliver drugs to tumor cells while minimizing toxicity to normal tissue, achieving wider therapeutic windows and enhanced pharmacokinetic/pharmacodynamic properties. To date, nine ADCs have been approved by the FDA and more than 80 ADCs are under clinical development worldwide. In this paper, we provide an overview of the biology and chemistry of each component of ADC design. We briefly discuss the clinical experience with approved ADCs and the various pathways involved in ADC resistance. We conclude with perspectives about the future development of the next generations of ADCs, including the role of molecular imaging in drug development.
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Affiliation(s)
- Umbreen Hafeez
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Melbourne, VIC 3084, Australia, (U.H.)
- Department of Medical Oncology, Olivia Newton-John Cancer and Wellness Centre, Austin Health, Melbourne, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
| | - Sagun Parakh
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Melbourne, VIC 3084, Australia, (U.H.)
- Department of Medical Oncology, Olivia Newton-John Cancer and Wellness Centre, Austin Health, Melbourne, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
| | - Hui K Gan
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Melbourne, VIC 3084, Australia, (U.H.)
- Department of Medical Oncology, Olivia Newton-John Cancer and Wellness Centre, Austin Health, Melbourne, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
- Department of Medicine, University of Melbourne, Melbourne, VIC 3084, Australia
| | - Andrew M Scott
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Melbourne, VIC 3084, Australia, (U.H.)
- School of Cancer Medicine, La Trobe University, Melbourne, VIC 3084, Australia
- Department of Medicine, University of Melbourne, Melbourne, VIC 3084, Australia
- Department of Molecular Imaging and Therapy, Austin Health, Melbourne, VIC 3084, Australia
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Brandt M, Cowell J, Aulsebrook ML, Gasser G, Mindt TL. Radiolabelling of the octadentate chelators DFO* and oxoDFO* with zirconium-89 and gallium-68. J Biol Inorg Chem 2020; 25:789-796. [PMID: 32661784 DOI: 10.1007/s00775-020-01800-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/06/2020] [Indexed: 01/20/2023]
Abstract
In recent years, clinical imaging with zirconium-89 (89Zr)-labelled monoclonal antibodies (Ab) by positron emission tomography (immunoPET) has been gaining significant importance in nuclear medicine for the diagnosis of different types of cancer. For complexation of the radiometal 89Zr and its attachment to the Ab, chelating agents are required. To date, only the hexadentate chelator desferrioxamine (DFO) is applied in the clinic for this purpose. However, there is increasing preclinical evidence that the [89Zr]Zr-DFO complex is not sufficiently stable and partly releases the radiometal in vivo due to the incomplete coordination sphere of the metal. This leads to unfavourable unspecific uptake of the osteophilic radiometal in bones, hence decreasing the signal-to-noise-ratio and leading to an increased dose to the patient. In the past, several new chelators with denticities > 6 have been published, notably the octadentate DFO derivative DFO*. DFO*, however, shows limited water solubility, wherefore an oxygen containing analogue, termed oxoDFO*, was developed in 2017. However, no data on the suitability of oxoDFO* for radiolabelling with 89Zr has yet been reported. In this proof-of-concept study, we present the first radiolabelling results of the octadentate, water-soluble chelator oxoDFO*, as well as the in vitro stability of the resulting complex [89Zr]Zr-oxoDFO* in comparison to the analogous octadentate, but less water-soluble derivative DFO* and the current "standard" chelator DFO. In addition, the suitability of DFO* and oxoDFO* for radiolabeling with the short-lived PET metal gallium-68 is discussed. The water-soluble, octadentate chelator oxoDFO* provides stable complexes with the positron emitter Zirconium-89. The radiolabelling can be performed at room temperature and neutral pH and thus, oxoDFO* represents a promising chelator for applications in immunoPET.
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Affiliation(s)
- Marie Brandt
- Ludwig Boltzmann Institute Applied Diagnostics, General Hospital of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria.,Department of Biomedical Imaging and Image Guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Joseph Cowell
- Laboratory for Inorganic Chemical Biology, Chimie ParisTech, PSL University, CNRS, Institute of Chemistry for Life and Health Sciences, 75005, Paris, France
| | - Margaret L Aulsebrook
- Laboratory for Inorganic Chemical Biology, Chimie ParisTech, PSL University, CNRS, Institute of Chemistry for Life and Health Sciences, 75005, Paris, France
| | - Gilles Gasser
- Laboratory for Inorganic Chemical Biology, Chimie ParisTech, PSL University, CNRS, Institute of Chemistry for Life and Health Sciences, 75005, Paris, France.
| | - Thomas L Mindt
- Ludwig Boltzmann Institute Applied Diagnostics, General Hospital of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria. .,Department of Biomedical Imaging and Image Guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria. .,Department of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Währinger Straße 42, 1090, Vienna, Austria.
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Yoon JK, Park BN, Ryu EK, An YS, Lee SJ. Current Perspectives on 89Zr-PET Imaging. Int J Mol Sci 2020; 21:ijms21124309. [PMID: 32560337 PMCID: PMC7352467 DOI: 10.3390/ijms21124309] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/13/2020] [Accepted: 06/15/2020] [Indexed: 12/14/2022] Open
Abstract
89Zr is an emerging radionuclide that plays an essential role in immuno-positron emission tomography (PET) imaging. The long half-life of 89Zr (t1/2 = 3.3 days) is favorable for evaluating the in vivo distribution of monoclonal antibodies. Thus, the use of 89Zr is promising for monitoring antibody-based cancer therapies. Immuno-PET combines the sensitivity of PET with the specificity of antibodies. A number of studies have been conducted to investigate the feasibility of 89Zr immuno-PET imaging for predicting the efficacy of radioimmunotherapy and antibody therapies, imaging target expression, detecting target-expressing tumors, and the monitoring of anti-cancer chemotherapies. In this review, we summarize the current status of PET imaging using 89Zr in both preclinical and clinical studies by highlighting the use of immuno-PET for the targets of high clinical relevance. We also present 89Zr-PET applications other than immuno-PET, such as nanoparticle imaging and cell tracking. Finally, we discuss the limitations and the ongoing research being performed to overcome the remaining hurdles.
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Affiliation(s)
- Joon-Kee Yoon
- Department of Nuclear Medicine & Molecular Imaging, Ajou University School of Medicine, Worldcup-ro 164, Suwon 16499, Korea; (B.-N.P.); (Y.-S.A.); (S.-J.L.)
- Correspondence: ; Tel.: +82-31-219-4303
| | - Bok-Nam Park
- Department of Nuclear Medicine & Molecular Imaging, Ajou University School of Medicine, Worldcup-ro 164, Suwon 16499, Korea; (B.-N.P.); (Y.-S.A.); (S.-J.L.)
| | - Eun-Kyoung Ryu
- Division of Magnetic Resonance, Korea Basic Science Institute, 162, Yeongudanji-ro, Cheongju 28119, Korea;
| | - Young-Sil An
- Department of Nuclear Medicine & Molecular Imaging, Ajou University School of Medicine, Worldcup-ro 164, Suwon 16499, Korea; (B.-N.P.); (Y.-S.A.); (S.-J.L.)
| | - Su-Jin Lee
- Department of Nuclear Medicine & Molecular Imaging, Ajou University School of Medicine, Worldcup-ro 164, Suwon 16499, Korea; (B.-N.P.); (Y.-S.A.); (S.-J.L.)
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Fung K, Vivier D, Keinänen O, Sarbisheh EK, Price EW, Zeglis BM. 89Zr-Labeled AR20.5: A MUC1-Targeting ImmunoPET Probe. Molecules 2020; 25:molecules25102315. [PMID: 32429033 PMCID: PMC7287814 DOI: 10.3390/molecules25102315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/30/2020] [Accepted: 05/10/2020] [Indexed: 11/01/2022] Open
Abstract
High expression levels of the tumor-associated antigen MUC1 have been correlated with tumor aggressiveness, poor response to therapy, and poor survival in several tumor types, including breast, pancreatic, and epithelial ovarian cancer. Herein, we report the synthesis, characterization, and in vivo evaluation of a novel radioimmunoconjugate for the immuno-positron emission tomography (immunoPET) imaging of MUC1 expression based on the AR20.5 antibody. To this end, we modified AR20.5 with the chelator desferrioxamine (DFO) and labeled it with the positron-emitting radiometal zirconium-89 (t1/2 ~3.3 d) to produce [89Zr]Zr-DFO-AR20.5. In subsequent in vivo experiments in athymic nude mice bearing subcutaneous MUC1-expressing ovarian cancer xenografts, [89Zr]Zr-DFO-AR20.5 clearly delineated tumor tissue, producing a tumoral activity concentration of 19.1 ± 6.4 percent injected dose per gram (%ID/g) at 120 h post-injection and a tumor-to-muscle activity concentration ratio of 42.4 ± 10.6 at the same time point. Additional PET imaging experiments in mice bearing orthotopic MUC1-expressing ovarian cancer xenografts likewise demonstrated that [89Zr]Zr-DFO-AR20.5 enables the visualization of tumor tissue-including metastatic lesions-with promising tumor-to-background contrast.
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Affiliation(s)
- Kimberly Fung
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10021, USA; (K.F.); (D.V.); (O.K.)
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, USA
| | - Delphine Vivier
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10021, USA; (K.F.); (D.V.); (O.K.)
| | - Outi Keinänen
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10021, USA; (K.F.); (D.V.); (O.K.)
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
| | | | - Eric W. Price
- Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5B5, Canada; (E.K.S.); (E.W.P.)
| | - Brian M. Zeglis
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10021, USA; (K.F.); (D.V.); (O.K.)
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
- Department of Radiology, Weill Cornell Medical College, New York, NY 10021, USA
- Correspondence: ; Tel.: +1-212-896-0443; Fax: +1-212-772-5332
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Liu W, Zhang C, Cao H, Shi D, Zhao S, Liang T, Hou G. Radioimmunoimaging of 125I-labeled anti-CD93 monoclonal antibodies in a xenograft model of non-small cell lung cancer. Oncol Lett 2019; 18:6413-6422. [PMID: 31819775 PMCID: PMC6896371 DOI: 10.3892/ol.2019.11036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 09/09/2019] [Indexed: 01/12/2023] Open
Abstract
Lung cancer, especially non-small cell lung cancer (NSCLC), is the most common malignant tumor associated with poor prognosis. Angiogenesis plays a vital role in NSCLC, and could be used in tumor staging and therapy evaluation. CD93 (C1q receptor) is reportedly a key regulator of tumor angiogenesis. In the present study, the efficacy and specificity of a 125I-labeled CD93-specific monoclonal antibody (125I-anti-CD93 mAb) in detecting NSCLC xenografts were analyzed, and the association between CD93 expression and 125I-anti-CD93 mAb uptake by tumors was evaluated. The targeting ability of 125I-anti-CD93 mAb enabled its rapid, continuous and highly specific accumulation in CD93-expressing tumors in vivo. These results revealed the potential applicability of 125I-anti-CD93 mAb for non-invasive imaging diagnosis of CD93-positive NSCLC.
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Affiliation(s)
- Weiwei Liu
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Chao Zhang
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Hui Cao
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Dai Shi
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Shanshan Zhao
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Ting Liang
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Guihua Hou
- Biomedical Isotope Research Center, School of Basic Medical Sciences, Shandong University, Jinan, Shandong 250012, P.R. China
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Henrich TJ, Hsue PY, VanBrocklin H. Seeing Is Believing: Nuclear Imaging of HIV Persistence. Front Immunol 2019; 10:2077. [PMID: 31572355 PMCID: PMC6751256 DOI: 10.3389/fimmu.2019.02077] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 08/16/2019] [Indexed: 12/19/2022] Open
Abstract
A major obstacle to HIV eradication is the presence of infected cells that persist despite suppressive antiretroviral therapy (ART). HIV largely resides outside of the peripheral circulation, and thus, numerous anatomical and lymphoid compartments that have the capacity to harbor HIV are inaccessible to routine sampling. As a result, there is a limited understanding of the tissue burden of HIV infection or anatomical distribution of HIV transcriptional and translational activity. Novel, non-invasive, in vivo methods are urgently needed to address this fundamental gap in knowledge. In this review, we discuss past and current nuclear imaging approaches that have been applied to HIV infection with an emphasis on current strategies to implement positron emission tomography (PET)-based imaging to directly visualize and characterize whole-body HIV burden. These imaging approaches have various limitations, such as the potential for limited PET sensitivity and specificity in the setting of ART suppression or low viral burden. However, recent advances in high-sensitivity, total-body PET imaging platforms and development of new radiotracer technologies that may enhance anatomical penetration of target-specific tracer molecules are discussed. Potential strategies to image non-viral markers of HIV tissue burden or focal immune perturbation are also addressed. Overall, emerging nuclear imaging techniques and platforms may play an important role in the development of novel therapeutic and HIV reservoir eradication strategies.
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Affiliation(s)
- Timothy J Henrich
- Division of Experimental Medicine, Department of Medicine, University of San Francisco, San Francisco, CA, United States
| | - Priscilla Y Hsue
- Division of Cardiology, Department of Medicine, University of San Francisco, San Francisco, CA, United States
| | - Henry VanBrocklin
- Radiopharmaceutical Research Program, Center for Molecular and Functional Imaging, University of San Francisco, San Francisco, CA, United States
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Merkul E, Sijbrandi NJ, Muns JA, Aydin I, Adamzek K, Houthoff HJ, Nijmeijer B, Van Dongen GAMS. First platinum(II)-based metal-organic linker technology (Lx®) for a plug-and-play development of antibody-drug conjugates (ADCs). Expert Opin Drug Deliv 2019; 16:783-793. [PMID: 31327255 DOI: 10.1080/17425247.2019.1645118] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Introduction: Compared to the antibody and drug components of an ADC, the linker part has been somewhat neglected. However, its importance for the reduction of failures in ADC approvals is increasingly recognized. Next of being a stable glue between drug and antibody, an ideal linker should improve the manufacturability and widen the therapeutic window of ADCs. Areas covered: The biopharmaceutical company LinXis started an ADC development program in which platinum(II) is the key element of the first metal-organic linker. The cationic complex [ethylenediamineplatinum(II)]2+, herein called 'Lx®', is used successfully for conjugation of drugs to antibodies. Expert opinion: Based on lessons learned from ADC development, Lx linker technology fulfills most of the desirable linker characteristics. Lx allows large-scale cost-effective manufacturing of ADCs via a straightforward two-step 'plug-and-play' process. First clinical candidate trastuzumab-Lx-auristatin F shows favorable preclinical safety as well as outstanding in vivo tumor targeting performance and therapeutic efficacy.
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Affiliation(s)
- Eugen Merkul
- a Research and Development Department, LinXis BV , Amsterdam , The Netherlands
| | - Niels J Sijbrandi
- a Research and Development Department, LinXis BV , Amsterdam , The Netherlands
| | - Joey A Muns
- a Research and Development Department, LinXis BV , Amsterdam , The Netherlands
| | - Ibrahim Aydin
- a Research and Development Department, LinXis BV , Amsterdam , The Netherlands
| | - Kevin Adamzek
- a Research and Development Department, LinXis BV , Amsterdam , The Netherlands
| | | | - Bart Nijmeijer
- a Research and Development Department, LinXis BV , Amsterdam , The Netherlands
| | - Guus A M S Van Dongen
- b Department of Radiology and Nuclear Medicine, Amsterdam UMC, Vrije Universiteit , Amsterdam , The Netherlands
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Zattoni F, Incerti E, Dal Moro F, Moschini M, Castellucci P, Panareo S, Picchio M, Fallanca F, Briganti A, Gallina A, Fanti S, Schiavina R, Brunocilla E, Rambaldi I, Lowe V, Karnes JR, Evangelista L. 18F-FDG PET/CT and Urothelial Carcinoma: Impact on Management and Prognosis-A Multicenter Retrospective Study. Cancers (Basel) 2019; 11:E700. [PMID: 31137599 PMCID: PMC6562413 DOI: 10.3390/cancers11050700] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/10/2019] [Accepted: 05/16/2019] [Indexed: 01/05/2023] Open
Abstract
Objectives: To evaluate the ability of 18F-labeled fluoro-2-deoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) to predict survivorship of patients with bladder cancer (BC) and/or upper urinary tract carcinoma (UUTC). Materials: Data from patients who underwent FDG PET/CT for suspicion of recurrent urothelial carcinoma (UC) between 2007 and 2015 were retrospectively collected in a multicenter study. Disease management after the introduction of FDG PET/CT in the diagnostic algorithm was assessed in all patients. Kaplan-Meier and log-rank analysis were computed for survival assessment. A Cox regression analysis was used to identify predictors of recurrence and death, for BC, UUTC, and concomitant BC and UUTC. Results: Data from 286 patients were collected. Of these, 212 had a history of BC, 38 of UUTC and 36 of concomitant BC and UUTC. Patient management was changed in 114/286 (40%) UC patients with the inclusion of FDG PET/CT, particularly in those with BC, reaching 74% (n = 90/122). After a mean follow-up period of 21 months (Interquartile range: 4-28 mo.), 136 patients (47.4%) had recurrence/progression of disease. Moreover, 131 subjects (45.6%) died. At Kaplan-Meier analyses, patients with BC and positive PET/CT had a worse overall survival than those with a negative scan (log-rank < 0.001). Furthermore, a negative PET/CT scan was associated with a lower recurrence rate than a positive examination, independently from the primary tumor site. At multivariate analysis, in patients with BC and UUTC, a positive FDG PET/CT resulted an independent predictor of disease-free and overall survival (p < 0,01). Conclusions: FDG PET/CT has the potential to change patient management, particularly for patients with BC. Furthermore, it can be considered a valid survival prediction tool after primary treatment in patients with recurrent UC. However, a firm recommendation cannot be made yet. Further prospective studies are necessary to confirm our findings.
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Affiliation(s)
- Fabio Zattoni
- Department of Surgery, Oncology and Gastroenterology, University of Padua, 35128 Padua, Italy.
- Urology Unit, Academical Medical Centre Hospital, 33100 Udine, Italy.
| | - Elena Incerti
- Nuclear Medicine Department, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Fabrizio Dal Moro
- Department of Surgery, Oncology and Gastroenterology, University of Padua, 35128 Padua, Italy.
- Urology Unit, Academical Medical Centre Hospital, 33100 Udine, Italy.
| | - Marco Moschini
- Department of Urology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Paolo Castellucci
- Department of Nuclear Medicine, Sant'Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Stefano Panareo
- Nuclear Medicine Unit, Diagnostic Imaging e Laboratory Medicine Department, University Hospital of Ferrara, 44121 Ferrara, Italy.
| | - Maria Picchio
- Nuclear Medicine Department, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Federico Fallanca
- Nuclear Medicine Department, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Alberto Briganti
- Department of Urology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
- Vita-Salute San Raffaele University, 20132 Milan, Italy.
| | - Andrea Gallina
- Department of Urology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.
| | - Stefano Fanti
- Department of Nuclear Medicine, Sant'Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Riccardo Schiavina
- Department of Urology, Sant'Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Eugenio Brunocilla
- Department of Urology, Sant'Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Ilaria Rambaldi
- Nuclear Medicine Unit, Diagnostic Imaging e Laboratory Medicine Department, University Hospital of Ferrara, 44121 Ferrara, Italy.
| | - Val Lowe
- Division of Nuclear Medicine, Mayo Clinic, Rochester, MN 55905, USA.
| | | | - Laura Evangelista
- Nuclear Medicine and Molecular Imaging Unit, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy.
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