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Rolin C, Zimmer J, Seguin-Devaux C. Bridging the gap with multispecific immune cell engagers in cancer and infectious diseases. Cell Mol Immunol 2024; 21:643-661. [PMID: 38789528 DOI: 10.1038/s41423-024-01176-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/23/2024] [Indexed: 05/26/2024] Open
Abstract
By binding to multiple antigens simultaneously, multispecific antibodies are expected to substantially improve both the activity and long-term efficacy of antibody-based immunotherapy. Immune cell engagers, a subclass of antibody-based constructs, consist of engineered structures designed to bridge immune effector cells to their target, thereby redirecting the immune response toward the tumor cells or infected cells. The increasing number of recent clinical trials evaluating immune cell engagers reflects the important role of these molecules in new therapeutic approaches for cancer and infections. In this review, we discuss how different immune cell types (T and natural killer lymphocytes, as well as myeloid cells) can be bound by immune cell engagers in immunotherapy for cancer and infectious diseases. Furthermore, we explore the preclinical and clinical advancements of these constructs, and we discuss the challenges in translating the current knowledge from cancer to the virology field. Finally, we speculate on the promising future directions that immune cell engagers may take in cancer treatment and antiviral therapy.
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Affiliation(s)
- Camille Rolin
- Department of Infection and Immunity, Luxembourg Institute of Health, 29 Rue Henri Koch, L-4354, Esch-Sur-Alzette, Luxembourg.
- University of Luxembourg, 2 Place de l'Université, L-4365, Esch-sur-Alzette, Luxembourg.
| | - Jacques Zimmer
- Department of Infection and Immunity, Luxembourg Institute of Health, 29 Rue Henri Koch, L-4354, Esch-Sur-Alzette, Luxembourg
| | - Carole Seguin-Devaux
- Department of Infection and Immunity, Luxembourg Institute of Health, 29 Rue Henri Koch, L-4354, Esch-Sur-Alzette, Luxembourg
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2
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Rannikko JH, Hollmén M. Clinical landscape of macrophage-reprogramming cancer immunotherapies. Br J Cancer 2024:10.1038/s41416-024-02715-6. [PMID: 38831013 DOI: 10.1038/s41416-024-02715-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/03/2024] [Accepted: 05/08/2024] [Indexed: 06/05/2024] Open
Abstract
Tumour-associated macrophages (TAMs) sustain a tumour-supporting and immunosuppressive milieu and therefore aggravate cancer prognosis. To modify TAM behaviour and unlock their anti-tumoural potential, novel TAM-reprogramming immunotherapies are being developed at an accelerating rate. At the same time, scientific discoveries have highlighted more sophisticated TAM phenotypes with complex biological functions and contradictory prognostic associations. To understand the evolving clinical landscape, we reviewed current and past clinically evaluated TAM-reprogramming cancer therapeutics and summarised almost 200 TAM-reprogramming agents investigated in more than 700 clinical trials. Observable overall trends include a high frequency of overlapping strategies against the same therapeutic targets, development of more complex strategies to improve previously ineffective approaches and reliance on combinatory strategies for efficacy. However, strong anti-tumour efficacy is uncommon, which encourages re-directing efforts on identifying biomarkers for eligible patient populations and comparing similar treatments earlier. Future endeavours will benefit from considering the shortcomings of past treatment strategies and accommodating the emerging complexity of TAM biology.
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Affiliation(s)
- Jenna H Rannikko
- MediCity Research Laboratory and InFLAMES Flagship, University of Turku, Turku, Finland
- Turku Doctoral Program of Molecular Medicine, University of Turku, Turku, Finland
| | - Maija Hollmén
- MediCity Research Laboratory and InFLAMES Flagship, University of Turku, Turku, Finland.
- Faron Pharmaceuticals Ltd, Turku, Finland.
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3
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Andersson H, Nyesiga B, Hermodsson T, Enell Smith K, Hägerbrand K, Lindstedt M, Ellmark P. Next-generation CD40 agonists for cancer immunotherapy. Expert Opin Biol Ther 2024; 24:351-363. [PMID: 38764393 DOI: 10.1080/14712598.2024.2357714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
INTRODUCTION There is a need for new therapies that can enhance response rates and broaden the number of cancer indications where immunotherapies provide clinical benefit. CD40 targeting therapies provide an opportunity to meet this need by promoting priming of tumor-specific T cells and reverting the suppressive tumor microenvironment. This is supported by emerging clinical evidence demonstrating the benefits of immunotherapy with CD40 antibodies in combination with standard of care chemotherapy. AREAS COVERED This review is focused on the coming wave of next-generation CD40 agonists aiming to improve efficacy and safety, using new approaches and formats beyond monospecific antibodies. Further, the current understanding of the role of different CD40 expressing immune cell populations in the tumor microenvironment is reviewed. EXPERT OPINION There are multiple promising next-generation approaches beyond monospecific antibodies targeting CD40 in immuno-oncology. Enhancing efficacy is the most important driver for this development, and approaches that maximize the ability of CD40 to both remodel the tumor microenvironment and boost the anti-tumor T cell response provide great opportunities to benefit cancer patients. Enhanced understanding of the role of different CD40 expressing immune cells in the tumor microenvironment may facilitate more efficient clinical development of these compounds.
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Affiliation(s)
- Hampus Andersson
- Alligator Bioscience, Alligator Bioscience AB, Lund, Sweden
- Department of Immunotechnology, Lund University, Lund, Sweden
| | - Barnabas Nyesiga
- Alligator Bioscience, Alligator Bioscience AB, Lund, Sweden
- Department of Biomedical Science, Malmö University, Malmö, Sweden
| | - Tova Hermodsson
- Department of Immunotechnology, Lund University, Lund, Sweden
| | | | | | - Malin Lindstedt
- Alligator Bioscience, Alligator Bioscience AB, Lund, Sweden
- Department of Immunotechnology, Lund University, Lund, Sweden
| | - Peter Ellmark
- Alligator Bioscience, Alligator Bioscience AB, Lund, Sweden
- Department of Immunotechnology, Lund University, Lund, Sweden
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4
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Klein C, Brinkmann U, Reichert JM, Kontermann RE. The present and future of bispecific antibodies for cancer therapy. Nat Rev Drug Discov 2024; 23:301-319. [PMID: 38448606 DOI: 10.1038/s41573-024-00896-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2024] [Indexed: 03/08/2024]
Abstract
Bispecific antibodies (bsAbs) enable novel mechanisms of action and/or therapeutic applications that cannot be achieved using conventional IgG-based antibodies. Consequently, development of these molecules has garnered substantial interest in the past decade and, as of the end of 2023, 14 bsAbs have been approved: 11 for the treatment of cancer and 3 for non-oncology indications. bsAbs are available in different formats, address different targets and mediate anticancer function via different molecular mechanisms. Here, we provide an overview of recent developments in the field of bsAbs for cancer therapy. We focus on bsAbs that are approved or in clinical development, including bsAb-mediated dual modulators of signalling pathways, tumour-targeted receptor agonists, bsAb-drug conjugates, bispecific T cell, natural killer cell and innate immune cell engagers, and bispecific checkpoint inhibitors and co-stimulators. Finally, we provide an outlook into next-generation bsAbs in earlier stages of development, including trispecifics, bsAb prodrugs, bsAbs that induce degradation of tumour targets and bsAbs acting as cytokine mimetics.
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Affiliation(s)
- Christian Klein
- Roche Pharma Research and Early Development, Roche Innovation Center Zurich, Schlieren, Switzerland.
| | - Ulrich Brinkmann
- Roche Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
| | | | - Roland E Kontermann
- Institute of Cell Biology and Immunology, University Stuttgart, Stuttgart, Germany.
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5
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Jimenez J, Amrute J, Ma P, Wang X, Dai R, Lavine KJ. CD40 is an immune checkpoint regulator that potentiates myocardial inflammation through activation and expansion of CCR2 + macrophages and CD8 T-cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.14.584418. [PMID: 38559055 PMCID: PMC10980053 DOI: 10.1101/2024.03.14.584418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Novel immune checkpoint therapeutics including CD40 agonists have tremendous promise to elicit antitumor responses in patients resistant to current therapies. Conventional immune checkpoint inhibitors (PD-1/PD-L1, CTLA-4 antagonists) are associated with serious adverse cardiac events including life-threatening myocarditis. However, little is known regarding the potential for CD40 agonists to trigger myocardial inflammation or myocarditis. Here, we leveraged genetic mouse models, single cell sequencing, and cell depletion studies to demonstrate that an anti-CD40 agonist antibody reshapes the cardiac immune landscape through activation of CCR2 + macrophages and subsequent recruitment of effector memory CD8 T-cells. We identify a positive feedback loop between CCR2 + macrophages and CD8 T-cells driven by IL12b, TNF, and IFN-γ signaling that promotes myocardial inflammation and show that prior exposure to CD40 agonists sensitizes the heart to secondary insults and accelerates LV remodeling. Collectively, these findings highlight the potential for CD40 agonists to promote myocardial inflammation and potentiate heart failure pathogenesis.
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6
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Jian CZ, Lin L, Hsu CL, Chen YH, Hsu C, Tan CT, Ou DL. A potential novel cancer immunotherapy: Agonistic anti-CD40 antibodies. Drug Discov Today 2024; 29:103893. [PMID: 38272173 DOI: 10.1016/j.drudis.2024.103893] [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: 11/28/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024]
Abstract
CD40, a novel immunomodulatory cancer therapy target, is expressed by B cells, macrophages, and dendritic cells (DCs) and mediates cytotoxic T cell priming through the CD40 ligand. Some tumors show promising responses to monotherapy or combination therapy with agonistic anti-CD40 antibodies. The development of improved anti-CD40 antibodies makes CD40 activation an innovative strategy in cancer immunotherapy. In this review, we trace the history of CD40 research and summarize preclinical and clinical findings. We emphasize the ongoing development of improved anti-CD40 antibodies and explore strategies for effective combination therapies. Guided by predictive biomarkers, future research should identify patient populations benefiting the most from CD40 activation.
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Affiliation(s)
- Cheng-Zhe Jian
- Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Li Lin
- Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Chia-Lang Hsu
- Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Department of Medical Research, National Taiwan University Hospital, Taipei 10051, Taiwan
| | - Yu-Hsin Chen
- Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Stem Cell Core Laboratory, Center of Genomic Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Chiun Hsu
- Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Department of Medical Oncology, National Taiwan University Cancer Center, Taipei 10051, Taiwan
| | - Ching-Ting Tan
- Stem Cell Core Laboratory, Center of Genomic Medicine, National Taiwan University, Taipei 10051, Taiwan; Department of Otolaryngology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Department of Otolaryngology, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu 302, Taiwan.
| | - Da-Liang Ou
- Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; YongLin Institute of Health, National Taiwan University, Taipei 10051, Taiwan.
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7
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Fenis A, Demaria O, Gauthier L, Vivier E, Narni-Mancinelli E. New immune cell engagers for cancer immunotherapy. Nat Rev Immunol 2024:10.1038/s41577-023-00982-7. [PMID: 38273127 DOI: 10.1038/s41577-023-00982-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2023] [Indexed: 01/27/2024]
Abstract
There have been major advances in the immunotherapy of cancer in recent years, including the development of T cell engagers - antibodies engineered to redirect T cells to recognize and kill cancer cells - for the treatment of haematological malignancies. However, the field still faces several challenges to develop agents that are consistently effective in a majority of patients and cancer types, such as optimizing drug dose, overcoming treatment resistance and improving efficacy in solid tumours. A new generation of T cell-targeted molecules was developed to tackle these issues that are potentially more effective and safer. In addition, agents designed to engage the antitumour activities of other immune cells, including natural killer cells and myeloid cells, are showing promise and have the potential to treat a broader range of cancers.
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Affiliation(s)
- Aurore Fenis
- Innate Pharma Research Laboratories, Innate Pharma, Marseille, France
- Aix Marseille Université, Centre National de la Recherche Scientifique, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Olivier Demaria
- Innate Pharma Research Laboratories, Innate Pharma, Marseille, France
| | - Laurent Gauthier
- Innate Pharma Research Laboratories, Innate Pharma, Marseille, France
| | - Eric Vivier
- Innate Pharma Research Laboratories, Innate Pharma, Marseille, France
- Aix Marseille Université, Centre National de la Recherche Scientifique, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France
- Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille Immunopôle, Marseille, France
| | - Emilie Narni-Mancinelli
- Aix Marseille Université, Centre National de la Recherche Scientifique, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France.
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8
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Galvez-Cancino F, Simpson AP, Costoya C, Matos I, Qian D, Peggs KS, Litchfield K, Quezada SA. Fcγ receptors and immunomodulatory antibodies in cancer. Nat Rev Cancer 2024; 24:51-71. [PMID: 38062252 DOI: 10.1038/s41568-023-00637-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/10/2023] [Indexed: 12/24/2023]
Abstract
The discovery of both cytotoxic T lymphocyte-associated antigen 4 (CTLA4) and programmed cell death protein 1 (PD1) as negative regulators of antitumour immunity led to the development of numerous immunomodulatory antibodies as cancer treatments. Preclinical studies have demonstrated that the efficacy of immunoglobulin G (IgG)-based therapies depends not only on their ability to block or engage their targets but also on the antibody's constant region (Fc) and its interactions with Fcγ receptors (FcγRs). Fc-FcγR interactions are essential for the activity of tumour-targeting antibodies, such as rituximab, trastuzumab and cetuximab, where the killing of tumour cells occurs at least in part due to these mechanisms. However, our understanding of these interactions in the context of immunomodulatory antibodies designed to boost antitumour immunity remains less explored. In this Review, we discuss our current understanding of the contribution of FcγRs to the in vivo activity of immunomodulatory antibodies and the challenges of translating results from preclinical models into the clinic. In addition, we review the impact of genetic variability of human FcγRs on the activity of therapeutic antibodies and how antibody engineering is being utilized to develop the next generation of cancer immunotherapies.
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Affiliation(s)
- Felipe Galvez-Cancino
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK
| | - Alexander P Simpson
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK
| | - Cristobal Costoya
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK
| | - Ignacio Matos
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK
| | - Danwen Qian
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK
- Tumour Immunogenomics and Immunosurveillance Laboratory, University College London Cancer Institute, London, UK
| | - Karl S Peggs
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK
| | - Kevin Litchfield
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK
- Tumour Immunogenomics and Immunosurveillance Laboratory, University College London Cancer Institute, London, UK
| | - Sergio A Quezada
- Cancer Immunology Unit, Research Department of Haematology, University College London Cancer Institute, London, UK.
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK.
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9
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Bates KM, Vathiotis I, MacNeil T, Ahmed FS, Aung TN, Katlinskaya Y, Bhattacharya S, Psyrri A, Yea S, Parkes A, Sadraei NH, Roychoudhury S, Rimm DL, Gavrielatou N. Spatial characterization and quantification of CD40 expression across cancer types. BMC Cancer 2023; 23:220. [PMID: 36894898 PMCID: PMC9996913 DOI: 10.1186/s12885-023-10650-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 02/14/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND CD40, a TNF receptor family member, is expressed by a variety of immune cells and is involved in the activation of both adaptive and innate immune responses. Here, we used quantitative immunofluorescence (QIF) to evaluate CD40 expression on the tumor epithelium of solid tumors in large patient cohorts of lung, ovarian, and pancreatic cancers. METHODS Tissue samples from nine different solid tumors (bladder, breast, colon, gastric, head and neck, non-small cell lung cancer (NSCLC), ovarian, pancreatic and renal cell carcinoma), constructed in tissue microarray format, were initially assessed for CD40 expression by QIF. CD40 expression was then evaluated on the large available patient cohorts for three of the tumor types demonstrating high CD40 positivity rate; NSCLC, ovarian and pancreatic cancer. The prognostic impact of CD40 expression on tumor cells was also investigated. RESULTS CD40 expression on tumor cells was found to be common, with 80% of the NSCLC population, 40% of the ovarian cancer population, and 68% of the pancreatic adenocarcinoma population displaying some degree of CD40 expression on cancer cells. All of three of these cancer types displayed considerable intra-tumoral heterogeneity of CD40 expression, as well as partial correlation between expression of CD40 on tumor cells and on surrounding stromal cells. CD40 was not found to be prognostic for overall survival in NSCLC, ovarian cancer, or pancreatic adenocarcinoma. CONCLUSIONS The high percentage of tumor cells expressing CD40 in each of these solid tumors should be considered in the development of therapeutic agents designed to target CD40.
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Affiliation(s)
- Katherine M Bates
- Department of Pathology, Yale School of Medicine, 310 Cedar Street, BML 112, New Haven, CT, 06510-8023, USA
| | - Ioannis Vathiotis
- Department of Pathology, Yale School of Medicine, 310 Cedar Street, BML 112, New Haven, CT, 06510-8023, USA
| | - Tyler MacNeil
- Department of Pathology, Yale School of Medicine, 310 Cedar Street, BML 112, New Haven, CT, 06510-8023, USA
| | | | - Thazin Nwe Aung
- Department of Pathology, Yale School of Medicine, 310 Cedar Street, BML 112, New Haven, CT, 06510-8023, USA
| | | | | | - Amanda Psyrri
- Department of Internal Medicine, Section of Medical Oncology, Attikon University Hospital, Athens, Greece
| | | | | | | | | | - David L Rimm
- Department of Pathology, Yale School of Medicine, 310 Cedar Street, BML 112, New Haven, CT, 06510-8023, USA
| | - Niki Gavrielatou
- Department of Pathology, Yale School of Medicine, 310 Cedar Street, BML 112, New Haven, CT, 06510-8023, USA.
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Truxova I, Cibula D, Spisek R, Fucikova J. Targeting tumor-associated macrophages for successful immunotherapy of ovarian carcinoma. J Immunother Cancer 2023; 11:jitc-2022-005968. [PMID: 36822672 PMCID: PMC9950980 DOI: 10.1136/jitc-2022-005968] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2023] [Indexed: 02/25/2023] Open
Abstract
Epithelial ovarian cancer (EOC) is among the top five causes of cancer-related death in women, largely reflecting early, prediagnosis dissemination of malignant cells to the peritoneum. Despite improvements in medical therapies, particularly with the implementation of novel drugs targeting homologous recombination deficiency, the survival rates of patients with EOC remain low. Unlike other neoplasms, EOC remains relatively insensitive to immune checkpoint inhibitors, which is correlated with a tumor microenvironment (TME) characterized by poor infiltration by immune cells and active immunosuppression dominated by immune components with tumor-promoting properties, especially tumor-associated macrophages (TAMs). In recent years, TAMs have attracted interest as potential therapeutic targets by seeking to reverse the immunosuppression in the TME and enhance the clinical efficacy of immunotherapy. Here, we review the key biological features of TAMs that affect tumor progression and their relevance as potential targets for treating EOC. We especially focus on the therapies that might modulate the recruitment, polarization, survival, and functional properties of TAMs in the TME of EOC that can be harnessed to develop superior combinatorial regimens with immunotherapy for the clinical care of patients with EOC.
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Affiliation(s)
| | - David Cibula
- Gynecologic Oncology Center, Department of Obstetrics and Gynecology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Radek Spisek
- Sotio Biotech, Prague, Czech Republic,Department of Immunology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Jitka Fucikova
- Sotio Biotech, Prague, Czech Republic .,Department of Immunology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
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11
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Pfefferlé M, Dubach IL, Buzzi RM, Dürst E, Schulthess-Lutz N, Baselgia L, Hansen K, Imhof L, Koernig S, Le Roy D, Roger T, Humar R, Schaer DJ, Vallelian F. Antibody-induced erythrophagocyte reprogramming of Kupffer cells prevents anti-CD40 cancer immunotherapy-associated liver toxicity. J Immunother Cancer 2023; 11:jitc-2022-005718. [PMID: 36593065 PMCID: PMC9809320 DOI: 10.1136/jitc-2022-005718] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2022] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Agonistic anti-CD40 monoclonal antibodies (mAbs) have emerged as promising immunotherapeutic compounds with impressive antitumor effects in mouse models. However, preclinical and clinical studies faced dose-limiting toxicities mediated by necroinflammatory liver disease. An effective prophylactic treatment for liver immune-related adverse events that does not suppress specific antitumor immunity remains to be found. METHODS We used different mouse models and time-resolved single-cell RNA-sequencing to characterize the pathogenesis of anti-CD40 mAb induced liver toxicity. Subsequently, we developed an antibody-based treatment protocol to selectively target red blood cells (RBCs) for erythrophagocytosis in the liver, inducing an anti-inflammatory liver macrophage reprogramming. RESULTS We discovered that CD40 signaling in Clec4f+ Kupffer cells is the non-redundant trigger of anti-CD40 mAb-induced liver toxicity. Taking advantage of the highly specific functionality of liver macrophages to clear antibody-tagged RBCs from the blood, we hypothesized that controlled erythrophagocytosis and the linked anti-inflammatory signaling by the endogenous metabolite heme could be exploited to reprogram liver macrophages selectively. Repeated low-dose administration of a recombinant murine Ter119 antibody directed RBCs for selective phagocytosis in the liver and skewed the phenotype of liver macrophages into a Hmoxhigh/Marcohigh/MHCIIlow anti-inflammatory phenotype. This unique mode of action prevented necroinflammatory liver disease following high-dose administration of anti-CD40 mAbs. In contrast, extrahepatic inflammation, antigen-specific immunity, and antitumor activity remained unaffected in Ter119 treated animals. CONCLUSIONS Our study offers a targeted approach to uncouple CD40-augmented antitumor immunity in peripheral tissues from harmful inflammatoxicity in the liver.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Sandra Koernig
- CSL Ltd., Research, Bio21 Institute, Parkville, Victoria, Australia
| | | | | | - Rok Humar
- University of Zurich, Zurich, Switzerland
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12
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Liu Y, Nguyen AW, Maynard JA. Engineering antibodies for conditional activity in the solid tumor microenvironment. Curr Opin Biotechnol 2022; 78:102809. [PMID: 36182870 DOI: 10.1016/j.copbio.2022.102809] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/25/2022] [Accepted: 08/30/2022] [Indexed: 12/14/2022]
Abstract
Antibody-based therapeutics enjoy considerable clinical and commercial successes as cancer treatments. However, they can also cause serious toxicities due to recognition of tumor-associated antigens in noncancerous tissues, which can prevent antibody use in certain patient populations and therapeutic modalities. Here, we discuss recent efforts to develop advanced antibody therapeutics with activities restricted to the solid tumor microenvironment. With the intent of decreasing toxicities and expanding therapeutic windows, protein engineering strategies can render ligand binding sensitive to multiple tumor-specific characteristics. These triggers can be intrinsic to solid tumor microenvironments, such as low pH, high extracellular ATP, and the presence of specific proteases. Emerging strategies rely instead on exogenous triggers such as light and ultrasound to provide spatial and temporal control over antibody activation. These multilayered approaches to targeting diseased tissues are expected to usher in a new generation of precision therapeutics.
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Affiliation(s)
- Yutong Liu
- Department of Chemical Engineering, University of Texas, Austin, TX 78712, USA
| | - Annalee W Nguyen
- Department of Chemical Engineering, University of Texas, Austin, TX 78712, USA.
| | - Jennifer A Maynard
- Department of Chemical Engineering, University of Texas, Austin, TX 78712, USA.
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13
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Hägerbrand K, Varas L, Deronic A, Nyesiga B, Sundstedt A, Ljung L, Sakellariou C, Werchau D, Thagesson M, Gomez Jimenez D, Greiff L, Celander M, Smedenfors K, Rosén A, Bölükbas D, Carlsson F, Levin M, Säll A, von Schantz L, Lindstedt M, Ellmark P. Bispecific antibodies targeting CD40 and tumor-associated antigens promote cross-priming of T cells resulting in an antitumor response superior to monospecific antibodies. J Immunother Cancer 2022; 10:jitc-2022-005018. [PMID: 36323431 PMCID: PMC9660648 DOI: 10.1136/jitc-2022-005018] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/30/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Indications with poor T-cell infiltration or deficiencies in T-cell priming and associated unresponsiveness to established immunotherapies represent an unmet medical need in oncology. CD40-targeting therapies designed to enhance antigen presentation, generate new tumor-specific T cells, and activate tumor-infiltrating myeloid cells to remodel the tumor microenvironment, represent a promising opportunity to meet this need. In this study, we present the first in vivo data supporting a role for tumor-associated antigen (TAA)-mediated uptake and cross-presentation of tumor antigens to enhance tumor-specific T-cell priming using CD40×TAA bispecific antibodies, a concept we named Neo-X-Prime. METHODS Bispecific antibodies targeting CD40 and either of two cell-surface expressed TAA, carcinoembryonic antigen-related cell adhesion molecule 5 (CEA) or epithelial cell adhesion molecule (EpCAM), were developed in a tetravalent format. TAA-conditional CD40 agonism, activation of tumor-infiltrating immune cells, antitumor efficacy and the role of delivery of tumor-derived material such as extracellular vesicles, tumor debris and exosomes by the CD40×TAA bispecific antibodies were demonstrated in vitro using primary human and murine cells and in vivo using human CD40 transgenic mice with different tumor models. RESULTS The results showed that the CD40×TAA bispecific antibodies induced TAA-conditional CD40 activation both in vitro and in vivo. Further, it was demonstrated in vitro that they induced clustering of tumor debris and CD40-expressing cells in a dose-dependent manner and superior T-cell priming when added to dendritic cells (DC), ovalbumin (OVA)-specific T cells and OVA-containing tumor debris or exosomes. The antitumor activity of the Neo-X-Prime bispecific antibodies was demonstrated to be significantly superior to the monospecific CD40 antibody, and the resulting T-cell dependent antitumor immunity was directed to tumor antigens other than the TAA used for targeting (EpCAM). CONCLUSIONS The data presented herein support the hypothesis that CD40×TAA bispecific antibodies can engage tumor-derived vesicles containing tumor neoantigens to myeloid cells such as DCs resulting in an improved DC-mediated cross-priming of tumor-specific CD8+ T cells. Thus, this principle may offer therapeutics strategies to enhance tumor-specific T-cell immunity and associated clinical benefit in indications characterized by poor T-cell infiltration or deficiencies in T-cell priming.
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Affiliation(s)
| | - Laura Varas
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | - Adnan Deronic
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | | | | | - Lill Ljung
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | | | | | - Mia Thagesson
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | | | - Lennart Greiff
- Department of ORL, Head & Neck Surgery, Skåne University Hospital, Lund, Sweden
| | - Mona Celander
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | | | - Anna Rosén
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | | | | | - Mattias Levin
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | - Anna Säll
- Alligator Bioscience AB, Medicon Village, Lund, Sweden
| | | | - Malin Lindstedt
- Alligator Bioscience AB, Medicon Village, Lund, Sweden,Department of Immunotechnology, Lund University, Lund, Sweden
| | - Peter Ellmark
- Alligator Bioscience AB, Medicon Village, Lund, Sweden,Department of Immunotechnology, Lund University, Lund, Sweden
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14
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Lang I, Zaitseva O, Wajant H. FcγRs and Their Relevance for the Activity of Anti-CD40 Antibodies. Int J Mol Sci 2022; 23:12869. [PMID: 36361658 PMCID: PMC9655775 DOI: 10.3390/ijms232112869] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/18/2022] [Accepted: 10/20/2022] [Indexed: 03/14/2024] Open
Abstract
Inhibitory targeting of the CD40L-CD40 system is a promising therapeutic option in the field of organ transplantation and is also attractive in the treatment of autoimmune diseases. After early complex results with neutralizing CD40L antibodies, it turned out that lack of Fcγ receptor (FcγR)-binding is the crucial factor for the development of safe inhibitory antibodies targeting CD40L or CD40. Indeed, in recent years, blocking CD40 antibodies not interacting with FcγRs, has proven to be well tolerated in clinical studies and has shown initial clinical efficacy. Stimulation of CD40 is also of considerable therapeutic interest, especially in cancer immunotherapy. CD40 can be robustly activated by genetically engineered variants of soluble CD40L but also by anti-CD40 antibodies. However, the development of CD40L-based agonists is biotechnologically and pharmacokinetically challenging, and anti-CD40 antibodies typically display only strong agonism in complex with FcγRs or upon secondary crosslinking. The latter, however, typically results in poorly developable mixtures of molecule species of varying stoichiometry and FcγR-binding by anti-CD40 antibodies can elicit unwanted side effects such as antibody-dependent cellular cytotoxicity (ADCC) or antibody-dependent cellular phagocytosis (ADCP) of CD40 expressing immune cells. Here, we summarize and compare strategies to overcome the unwanted target cell-destroying activity of anti-CD40-FcγR complexes, especially the use of FcγR type-specific mutants and the FcγR-independent cell surface anchoring of bispecific anti-CD40 fusion proteins. Especially, we discuss the therapeutic potential of these strategies in view of the emerging evidence for the dose-limiting activities of systemic CD40 engagement.
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Affiliation(s)
| | | | - Harald Wajant
- Department of Internal Medicine II, Division of Molecular Internal Medicine, University Hospital Würzburg, Auvera Haus, Grombühlstrasse 12, 97080 Würzburg, Germany
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15
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Salomon R, Dahan R. Next Generation CD40 Agonistic Antibodies for Cancer Immunotherapy. Front Immunol 2022; 13:940674. [PMID: 35911742 PMCID: PMC9326085 DOI: 10.3389/fimmu.2022.940674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/21/2022] [Indexed: 12/05/2022] Open
Abstract
The clinical use of anti-CD40 agonist monoclonal antibodies (mAbs) is aimed at recruiting the immune system to fight the tumor cells. This approach has been demonstrated to be effective in various preclinical models. However, human CD40 Abs displayed only modest antitumor activity in cancer patients, characterized by low efficacy and dose-limiting toxicity. While recent studies highlight the importance of engineering the Fc region of human CD40 mAbs to optimize their agonistic potency, toxicity remains the main limiting factor, restricting clinical application to suboptimal doses. Here, we discuss the current challenges in realizing the full potential of CD40 mAbs in clinical practice, and describe novel approaches designed to circumvent the systemic toxicity associated with CD40 agonism.
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16
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Muik A, Adams Iii HC, Gieseke F, Altintas I, Schoedel KB, Blum JM, Sänger B, Burm SM, Stanganello E, Verzijl D, Spires VM, Vascotto F, Toker A, Quinkhardt J, Fereshteh M, Diken M, Satijn DPE, Kreiter S, Ahmadi T, Breij ECW, Türeci Ö, Sasser K, Sahin U, Jure-Kunkel M. DuoBody-CD40x4-1BB induces dendritic-cell maturation and enhances T-cell activation through conditional CD40 and 4-1BB agonist activity. J Immunother Cancer 2022; 10:jitc-2021-004322. [PMID: 35688554 PMCID: PMC9189854 DOI: 10.1136/jitc-2021-004322] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2022] [Indexed: 11/24/2022] Open
Abstract
Background Despite the preclinical promise of CD40 and 4-1BB as immuno-oncology targets, clinical efforts evaluating CD40 and 4-1BB agonists as monotherapy have found limited success. DuoBody-CD40×4-1BB (GEN1042/BNT312) is a novel investigational Fc-inert bispecific antibody for dual targeting and conditional stimulation of CD40 and 4-1BB to enhance priming and reactivation of tumor-specific immunity in patients with cancer. Methods Characterization of DuoBody-CD40×4-1BB in vitro was performed in a broad range of functional immune cell assays, including cell-based reporter assays, T-cell proliferation assays, mixed-lymphocyte reactions and tumor-infiltrating lymphocyte assays, as well as live-cell imaging. The in vivo activity of DuoBody-CD40×4-1BB was assessed in blood samples from patients with advanced solid tumors that were treated with DuoBody-CD40×4-1BB in the dose-escalation phase of the first-in-human clinical trial (NCT04083599). Results DuoBody-CD40×4-1BB exhibited conditional CD40 and 4-1BB agonist activity that was strictly dependent on crosslinking of both targets. Thereby, DuoBody-CD40×4-1BB strengthened the dendritic cell (DC)/T-cell immunological synapse, induced DC maturation, enhanced T-cell proliferation and effector functions in vitro and enhanced expansion of patient-derived tumor-infiltrating lymphocytes ex vivo. The addition of PD-1 blocking antibodies resulted in potentiation of T-cell activation and effector functions in vitro compared with either monotherapy, providing combination rationale. Furthermore, in a first-in-human clinical trial, DuoBody-CD40×4-1BB mediated clear immune modulation of peripheral antigen presenting cells and T cells in patients with advanced solid tumors. Conclusion DuoBody-CD40×4-1BB is capable of enhancing antitumor immunity by modulating DC and T-cell functions and shows biological activity in patients with advanced solid tumors. These findings demonstrate that targeting of these two pathways with an Fc-inert bispecific antibody may be an efficacious approach to (re)activate tumor-specific immunity and support the clinical investigation of DuoBody-CD40×4-1BB for the treatment of cancer.
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Affiliation(s)
| | | | | | - Isil Altintas
- Translational Research and Precision Medicine, Genmab BV, Utrecht, The Netherlands
| | | | | | | | - Saskia M Burm
- Translational Research and Precision Medicine, Genmab BV, Utrecht, The Netherlands
| | - Eliana Stanganello
- TRON-Translational Oncology at the University Medical Center of the Johannes Gutenberg University gGmbH, Mainz, Germany
| | - Dennis Verzijl
- Translational Research and Precision Medicine, Genmab BV, Utrecht, The Netherlands
| | | | - Fulvia Vascotto
- TRON-Translational Oncology at the University Medical Center of the Johannes Gutenberg University gGmbH, Mainz, Germany
| | | | | | | | | | | | | | - Tahamtan Ahmadi
- Experimental Medicine, Genmab US Inc, Plainsboro, New Jersey, USA
| | - Esther C W Breij
- Translational Research and Precision Medicine, Genmab BV, Utrecht, The Netherlands
| | | | | | - Ugur Sahin
- BioNTech SE, Mainz, Germany.,TRON-Translational Oncology at the University Medical Center of the Johannes Gutenberg University gGmbH, Mainz, Germany
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17
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Eltahir M, Laurén I, Lord M, Chourlia A, Dahllund L, Olsson A, Saleh A, Ytterberg AJ, Lindqvist A, Andersson O, Persson H, Mangsbo SM. An Adaptable Antibody‐Based Platform for Flexible Synthetic Peptide Delivery Built on Agonistic CD40 Antibodies. ADVANCED THERAPEUTICS 2022. [DOI: 10.1002/adtp.202200008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mohamed Eltahir
- Department of Pharmacy Science for Life Laboratory Uppsala University Husargatan 3 Box 580 751 24 Uppsala Sweden
| | - Ida Laurén
- Department of Pharmacy Science for Life Laboratory Uppsala University Husargatan 3 Box 580 751 24 Uppsala Sweden
| | - Martin Lord
- Department of Pharmacy Science for Life Laboratory Uppsala University Husargatan 3 Box 580 751 24 Uppsala Sweden
| | - Aikaterini Chourlia
- Department of Pharmacy Science for Life Laboratory Uppsala University Husargatan 3 Box 580 751 24 Uppsala Sweden
| | - Leif Dahllund
- SciLifeLab Drug Discovery and Development Science for Life Laboratory – Stockholm Tomtebodavägen 23A Solna 171 65 Sweden
- School of Engineering Sciences in Chemistry Biotechnology and Health Royal Institute of Technology (KTH) Tomtebodavägen 23A Solna 65 Sweden
| | - Anders Olsson
- SciLifeLab Drug Discovery and Development Science for Life Laboratory – Stockholm Tomtebodavägen 23A Solna 171 65 Sweden
- School of Engineering Sciences in Chemistry Biotechnology and Health Royal Institute of Technology (KTH) Tomtebodavägen 23A Solna 65 Sweden
| | - Aljona Saleh
- Department of Pharmacy SciLifeLab Drug Discovery and Development Platform Uppsala University Husargatan 3 Box 580 Uppsala 751 24 Sweden
| | - A. Jimmy Ytterberg
- Department of Pharmacy SciLifeLab Drug Discovery and Development Platform Uppsala University Husargatan 3 Box 580 Uppsala 751 24 Sweden
| | - Annika Lindqvist
- Department of Pharmacy SciLifeLab Drug Discovery and Development Platform Uppsala University Husargatan 3 Box 580 Uppsala 751 24 Sweden
| | - Oskar Andersson
- SciLifeLab Drug Discovery and Development Science for Life Laboratory – Stockholm Tomtebodavägen 23A Solna 171 65 Sweden
- School of Engineering Sciences in Chemistry Biotechnology and Health Royal Institute of Technology (KTH) Tomtebodavägen 23A Solna 65 Sweden
| | - Helena Persson
- SciLifeLab Drug Discovery and Development Science for Life Laboratory – Stockholm Tomtebodavägen 23A Solna 171 65 Sweden
- School of Engineering Sciences in Chemistry Biotechnology and Health Royal Institute of Technology (KTH) Tomtebodavägen 23A Solna 65 Sweden
| | - Sara M Mangsbo
- Department of Pharmacy Science for Life Laboratory Uppsala University Husargatan 3 Box 580 751 24 Uppsala Sweden
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18
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Sum E, Rapp M, Dürr H, Mazumdar A, Romero PJ, Trumpfheller C, Umaña P. The tumor-targeted CD40 agonist CEA-CD40 promotes T cell priming via a dual mode of action by increasing antigen delivery to dendritic cells and enhancing their activation. J Immunother Cancer 2022; 10:jitc-2021-003264. [PMID: 35292514 PMCID: PMC8928381 DOI: 10.1136/jitc-2021-003264] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2022] [Indexed: 11/03/2022] Open
Abstract
Tumor-targeted CD40 agonism represents an attractive strategy for cancer immunotherapy (CIT) as it promotes dendritic cell (DC) activation and concomitant tumor-specific T cell priming without causing systemic side effects. We developed the bispecific CD40 agonistic antibody CEA-CD40, which triggers CD40 stimulation exclusively in the presence of carcinoembryonic antigen (CEA), a glycoprotein specifically expressed on tumor cells. In this study, we demonstrate that CEA-CD40 can enable potent in vitro DC activation and consecutive T cell cross-priming in a CEA-specific manner. Furthermore, we provide evidence that CEA-CD40 increases colocalization of CEA+ tumor material and DCs. Using CEA+ tumor-derived extracellular vesicles (EVs), which are known to be an excellent tumor antigen source, we show that CEA-CD40 mediates delivery of CEA+ EVs to DCs. Importantly, our data indicates that this fosters acquisition of tumor EV major histocompatibility complex I/peptide complexes by DCs, consequently improving CD8+ T cell priming against EV-associated antigen in vitro. Thus, we provide mechanistic evidence for a dual mode of action of CEA-CD40 for CIT: we suggest that CEA-CD40 has the potential to activate DCs and in addition can promote their loading with tumor antigen derived from EVs to trigger tumor-specific T cell cross-priming.
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Affiliation(s)
- Eva Sum
- Cancer Immunotherapy, Roche Pharmaceutical Research and Early Development, Roche Innovation Center Zurich, Schlieren, Switzerland
| | - Moritz Rapp
- Cancer Immunotherapy, Roche Pharmaceutical Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
| | - Harald Dürr
- Large Molecule Research, Roche Pharmaceutical Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
| | | | - Pedro J Romero
- Oncology, University of Lausanne, Epalinges, Switzerland
| | - Christine Trumpfheller
- Cancer Immunotherapy, Roche Pharmaceutical Research and Early Development, Roche Innovation Center Zurich, Schlieren, Switzerland
| | - Pablo Umaña
- Cancer Immunotherapy, Roche Pharmaceutical Research and Early Development, Roche Innovation Center Zurich, Schlieren, Switzerland
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19
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Bispecific antibodies increase the therapeutic window of CD40 agonists through selective dendritic cell targeting. NATURE CANCER 2022; 3:287-302. [PMID: 35190724 DOI: 10.1038/s43018-022-00329-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 01/04/2022] [Indexed: 12/11/2022]
Abstract
Therapeutic use of agonistic anti-CD40 antibodies is a potentially powerful approach for activation of the immune response to eradicate tumors. However, the translation of this approach to clinical practice has been substantially restricted due to the severe dose-limiting toxicities observed in multiple clinical trials. Here, we demonstrate that conventional type 1 dendritic cells are essential for triggering antitumor immunity but not the toxicity of CD40 agonists, while macrophages, platelets and monocytes lead to toxic events. Therefore, we designed bispecific antibodies that target CD40 activation preferentially to dendritic cells, by coupling the CD40 agonist arm with CD11c-, DEC-205- or CLEC9A-targeting arms. These bispecific reagents demonstrate a superior safety profile compared to their parental CD40 monospecific antibody while triggering potent antitumor activity. We suggest such cell-selective bispecific agonistic antibodies as a drug platform to bypass the dose-limiting toxicities of anti-CD40, and of additional types of agonistic antibodies used for cancer immunotherapy.
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20
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Tian L, Lei A, Tan T, Zhu M, Zhang L, Mou H, Zhang J. Macrophage-Based Combination Therapies as a New Strategy for Cancer Immunotherapy. KIDNEY DISEASES (BASEL, SWITZERLAND) 2022; 8:26-43. [PMID: 35224005 DOI: 10.1159/000518664] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 07/16/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Cells of the immune system can inhibit tumor growth and progression; however, immune cells can also promote tumor cell growth, survival, and angiogenesis as a result of the immunosuppressive microenvironments. In the last decade, a growing number of new therapeutic strategies focused on reversing the immunosuppressive status of tumor microenvironments (TMEs), to reprogram the TME to be normal, and to further activate the antitumor functions of immune cells. Most of the "hot tumors" are encompassed with M2 macrophages promoting tumor growth, and the accumulation of M2 macrophages into tumor islets leads to poor prognosis in a wide variety of tumors. SUMMARY Therefore, how to uncover more immunosuppressive signals and to reverse the M2 tumor-associated macrophages (TAMs) to M1-type macrophages is essential for reversing the immunosuppressive state. Except for reeducation of TAMs in the cancer immunotherapy, macrophages as central effectors and regulators of the innate immune system have the capacity of phagocytosis and immune modulation in macrophage-based cell therapies. KEY MESSAGES We review the current macrophage-based cell therapies that use genetic engineering to augment macrophage functionalities with antitumor activity for the application of novel genetically engineered immune cell therapeutics. A combination of TAM reeducation and macrophage-based cell strategy may bring us closer to achieving the original goals of curing cancer. In this review, we describe the characteristics, immune status, and tumor immunotherapy strategies of macrophages to provide clues and evidences for future macrophage-based immune cell therapies.
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Affiliation(s)
- Lin Tian
- Department of Basic Medical Sciences, Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University, Hangzhou, China
| | - Anhua Lei
- Department of Basic Medical Sciences, Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University, Hangzhou, China
| | - Tianyu Tan
- Department of Basic Medical Sciences, Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University, Hangzhou, China
| | - Mengmeng Zhu
- Department of Basic Medical Sciences, Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University, Hangzhou, China
| | - Li Zhang
- Department of Basic Medical Sciences, Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University, Hangzhou, China
| | - Haibo Mou
- Department of Medical Oncology, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University, Shulan International Medical College, Hangzhou, China
| | - Jin Zhang
- Department of Basic Medical Sciences, Center for Stem Cell and Regenerative Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Institute of Hematology, Zhejiang University, Hangzhou, China.,Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, China
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21
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Kuchroo JR, Hafler DA, Sharpe AH, Lucca LE. The double-edged sword: Harnessing PD-1 blockade in tumor and autoimmunity. Sci Immunol 2021; 6:eabf4034. [PMID: 34739340 DOI: 10.1126/sciimmunol.abf4034] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Juhi R Kuchroo
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.,Evergrande Center for Immunological Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - David A Hafler
- Departments of Neurology and Immunobiology, Yale School of Medicine, New Haven, CT, USA.,Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | - Arlene H Sharpe
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.,Evergrande Center for Immunological Diseases, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA.,Broad Institute of MIT and Harvard University, Cambridge, MA, USA.,Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Liliana E Lucca
- Departments of Neurology and Immunobiology, Yale School of Medicine, New Haven, CT, USA
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22
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Simultaneous Inhibition of PD-1 and Stimulation of CD40 Signaling Pathways by Anti-PD-L1/CD40L Bispecific Fusion Protein Synergistically Activate Target and Effector Cells. Int J Mol Sci 2021; 22:ijms222111302. [PMID: 34768776 PMCID: PMC8583728 DOI: 10.3390/ijms222111302] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/22/2021] [Accepted: 10/15/2021] [Indexed: 12/15/2022] Open
Abstract
Bispecific antibodies (BsAbs) or fusion proteins (BsAbFPs) present a promising strategy for cancer immunotherapy. Numerous BsAbs targeting coinhibitory and costimulatory pathways have been developed for retargeting T cells and antigen presenting cells (APCs). It is challenging to assess the potency of BsAb that engages two different signaling pathways simultaneously in a single assay format, especially when the two antigen targets are expressed on different cells. To explore the potency of anti-PD-L1/CD40L BsAbFP, a fusion protein that binds to human CD40 and PD-L1, we engineered CHO cells as surrogate APCs that express T cell receptor activator and PD-L1, Jurkat cells with PD-1 and NFAT-luciferase reporter as effector T cells, and Raji cell with NFkB-luciferase that endogenously expresses CD40 as accessory B cells. A novel reporter gene bioassay was developed using these cell lines that allows anti-PD-L1/CD40L BsAbFP to engages both PD-1/PD-L1 and CD40/CD40L signaling pathways in one assay. As both reporters use firefly luciferase, the effects of activating both signaling pathways is observed as an increase in luminescence, either as a higher upper asymptote, a lower EC50, or both. This dual target reporter gene bioassay system reflects potential mechanism of action and demonstrated the ability of anti-PD-L1/CD40L BsAbFP to synergistically induce biological response compared to the combination of anti-PD-L1 monovalent monoclonal antibody and agonist CD40L fusion protein, or either treatment alone. The results also showed a strong correlation between the drug dose and biological response within the tested potency range with good linearity, accuracy, precision, specificity and stability indicating properties, suggesting that this “three-cell-in-one” dual target reporter gene bioassay is suitable for assessing potency, structure-function and critical quality attributes of anti-PD-L1/CD40L BsAbFP. This approach could be used for developing dual target bioassays for other BsAbs and antibodies used for combination therapy.
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23
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Bonnans C, Thomas G, He W, Jung B, Chen W, Liao M, Heyen J, Buetow B, Pillai S, Matsumoto D, Chaparro-Riggers J, Salek-Ardakani S, Qu Y. CD40 agonist-induced IL-12p40 potentiates hepatotoxicity. J Immunother Cancer 2021; 8:jitc-2020-000624. [PMID: 32474414 PMCID: PMC7264827 DOI: 10.1136/jitc-2020-000624] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/27/2020] [Indexed: 12/17/2022] Open
Abstract
Background CD40 is a compelling target for cancer immunotherapy, however, attempts to successfully target this pathway have consistently been hampered by dose-limiting toxicity issues in the clinic that prevents the administration of efficacious doses. Methods Here, using cytokine and cytokine receptor depletion strategies in conjunction with a potent CD40 agonist, we investigated mechanisms underlying the two primary sources of CD40 agonist-associated toxicity, hepatotoxicity and cytokine release syndrome (CRS). Results We demonstrate that CD40 agonist -induced hepatotoxicity and CRS are mechanistically independent. Historical data have supported a role for interleukin-6 (IL-6) in CRS-associated wasting, however, our findings instead show that an inflammatory cytokine network involving TNF, IL-12p40, and IFNγ underlie this process. Deficiency of TNF or IFNγ did not influence CD40-induced hepatitis however loss of IL-12p40 significantly decreased circulating concentrations of liver enzymes and reduced the frequency of activated CD14+MHCII+ myeloid cells in the liver, indicating a role for IL-12p40 in liver pathology. Conclusions As clinical research programs aim to circumnavigate toxicity concerns while maintaining antitumor efficacy it will be essential to understand which features of CD40 biology mediate antitumor function to develop both safe and efficacious agonists.
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Affiliation(s)
- Caroline Bonnans
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | - Graham Thomas
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | - Wenqian He
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | - Breanna Jung
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | - Wei Chen
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | - Min Liao
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | | | | | - Smitha Pillai
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
| | | | | | | | - Yan Qu
- Cancer Immunology Discovery, Pfizer Inc, San Diego, California, USA
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24
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You G, Won J, Lee Y, Moon D, Park Y, Lee SH, Lee SW. Bispecific Antibodies: A Smart Arsenal for Cancer Immunotherapies. Vaccines (Basel) 2021; 9:724. [PMID: 34358141 PMCID: PMC8310217 DOI: 10.3390/vaccines9070724] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/05/2021] [Accepted: 06/28/2021] [Indexed: 12/13/2022] Open
Abstract
Following the clinical success of cancer immunotherapies such as immune checkpoint inhibitors blocking B7/CTLA-4 or PD-1/PD-L1 signaling and ongoing numerous combination therapies in the clinic,3 bispecific antibodies (BsAbs) are now emerging as a growing class of immunotherapies with the potential to improve clinical efficacy and safety further. Here, we describe four classes of BsAbs: (a) immune effector cell redirectors; (b) tumor-targeted immunomodulators; (c) dual immunomodulators; and (d) dual tumor-targeting BsAbs. This review describes each of these classes of BsAbs and presents examples of BsAbs in development. We reviewed the biological rationales and characteristics of BsAbs and summarized the current status and limitations of clinical development of BsAbs and strategies to overcome limitations. The field of BsAb-based cancer immunotherapy is growing, and more data from clinical trials are accumulating. Thus, BsAbs could be the next generation of new treatment options for cancer patients.
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Affiliation(s)
- Gihoon You
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea; (G.Y.); (D.M.)
| | - Jonghwa Won
- ABL Bio Inc., Seongnam 13488, Korea; (J.W.); (Y.L.); (S.H.L.)
| | - Yangsoon Lee
- ABL Bio Inc., Seongnam 13488, Korea; (J.W.); (Y.L.); (S.H.L.)
| | - Dain Moon
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea; (G.Y.); (D.M.)
| | - Yunji Park
- Biotechcenter, POSTECH, Pohang 37673, Korea;
| | - Sang Hoon Lee
- ABL Bio Inc., Seongnam 13488, Korea; (J.W.); (Y.L.); (S.H.L.)
| | - Seung-Woo Lee
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea; (G.Y.); (D.M.)
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25
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Enell Smith K, Deronic A, Hägerbrand K, Norlén P, Ellmark P. Rationale and clinical development of CD40 agonistic antibodies for cancer immunotherapy. Expert Opin Biol Ther 2021; 21:1635-1646. [PMID: 34043482 DOI: 10.1080/14712598.2021.1934446] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Introduction: CD40 signaling activates dendritic cells leading to improved T cell priming against tumor antigens. CD40 agonism expands the tumor-specific T cell repertoire and has the potential to increase the fraction of patients that respond to established immunotherapies.Areas covered: This article reviews current as well as emerging CD40 agonist therapies with a focus on antibody-based therapies, including next generation bispecific CD40 agonists. The scientific rationale for different design criteria, binding epitopes, and formats are discussed.Expert opinion: The ability of CD40 agonists to activate dendritic cells and enhance antigen cross-presentation to CD8+ T cells provides an opportunity to elevate response rates of cancer immunotherapies. While there are many challenges left to address, including optimal dose regimen, CD40 agonist profile, combination partners and indications, we are confident that CD40 agonists will play an important role in the challenging task of reprogramming the immune system to fight cancer.
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Affiliation(s)
| | | | | | | | - Peter Ellmark
- Alligator Bioscience AB, Sweden.,Department of Immunotechnology, Lund University, Lund, Sweden
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26
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Keenan BP, Fong L. Conditional Cancer Immunotherapy as a Safer Way to Step on the Gas. Cancer Discov 2021; 11:20-22. [PMID: 34003781 DOI: 10.1158/2159-8290.cd-20-1328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this issue, Kamata-Sakurai and colleagues describe an agonist antibody to CD137 (4-1BB) that takes on an active conformation in environments with high ATP concentrations, characteristic of tumors. This represents a novel advancement in developing immunotherapies that can be administered systemically, but act locally to induce antitumor immune responses without the usual attendant toxicities.See related article by Kamata-Sakurai et al., p. 158.
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Affiliation(s)
- Bridget P Keenan
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California
| | - Lawrence Fong
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, California.
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27
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van den Bijgaart RJE, Schuurmans F, Fütterer JJ, Verheij M, Cornelissen LAM, Adema GJ. Immune Modulation Plus Tumor Ablation: Adjuvants and Antibodies to Prime and Boost Anti-Tumor Immunity In Situ. Front Immunol 2021; 12:617365. [PMID: 33936033 PMCID: PMC8079760 DOI: 10.3389/fimmu.2021.617365] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 03/22/2021] [Indexed: 12/11/2022] Open
Abstract
In situ tumor ablation techniques, like radiotherapy, cryo- and heat-based thermal ablation are successfully applied in oncology for local destruction of tumor masses. Although diverse in technology and mechanism of inducing cell death, ablative techniques share one key feature: they generate tumor debris which remains in situ. This tumor debris functions as an unbiased source of tumor antigens available to the immune system and has led to the concept of in situ cancer vaccination. Most studies, however, report generally modest tumor-directed immune responses following local tumor ablation as stand-alone treatment. Tumors have evolved mechanisms to create an immunosuppressive tumor microenvironment (TME), parts of which may admix with the antigen depot. Provision of immune stimuli, as well as approaches that counteract the immunosuppressive TME, have shown to be key to boost ablation-induced anti-tumor immunity. Recent advances in protein engineering have yielded novel multifunctional antibody formats. These multifunctional antibodies can provide a combination of distinct effector functions or allow for delivery of immunomodulators specifically to the relevant locations, thereby mitigating potential toxic side effects. This review provides an update on immune activation strategies that have been tested to act in concert with tumor debris to achieve in situ cancer vaccination. We further provide a rationale for multifunctional antibody formats to be applied together with in situ ablation to boost anti-tumor immunity for local and systemic tumor control.
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Affiliation(s)
- Renske J E van den Bijgaart
- Radiotherapy & OncoImmunology Laboratory, Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Fabian Schuurmans
- Radiotherapy & OncoImmunology Laboratory, Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Jurgen J Fütterer
- Department of Medical Imaging, Radboud University Medical Center, Nijmegen, Netherlands.,Department of Robotics and Mechatronics, University of Twente, Enschede, Netherlands
| | - Marcel Verheij
- Radiotherapy & OncoImmunology Laboratory, Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Lenneke A M Cornelissen
- Radiotherapy & OncoImmunology Laboratory, Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Gosse J Adema
- Radiotherapy & OncoImmunology Laboratory, Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, Netherlands
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28
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Luke JJ, Barlesi F, Chung K, Tolcher AW, Kelly K, Hollebecque A, Le Tourneau C, Subbiah V, Tsai F, Kao S, Cassier PA, Khasraw M, Kindler HL, Fang H, Fan F, Allaire K, Patel M, Ye S, Chao DT, Henner WR, Hayflick JS, McDevitt MA, Fong L. Phase I study of ABBV-428, a mesothelin-CD40 bispecific, in patients with advanced solid tumors. J Immunother Cancer 2021; 9:jitc-2020-002015. [PMID: 33608377 PMCID: PMC7898862 DOI: 10.1136/jitc-2020-002015] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2020] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND CD40 agonist immunotherapy can potentially license antigen-presenting cells to promote antitumor T-cell activation and re-educate macrophages to destroy tumor stroma. Systemic administration of CD40 agonists has historically been associated with considerable toxicity, providing the rationale for development of tumor-targeted immunomodulators to improve clinical safety and efficacy. This phase I study assessed the safety, tolerability, preliminary antitumor activity, and preliminary biomarkers of ABBV-428, a first-in-class, mesothelin-targeted, bispecific antibody designed for tumor microenvironment-dependent CD40 activation with limited systemic toxicity. METHODS ABBV-428 was administered intravenously every 2 weeks to patients with advanced solid tumors. An accelerated titration (starting at a 0.01 mg/kg dose) and a 3+3 dose escalation scheme were used, followed by recommended phase II dose cohort expansions in ovarian cancer and mesothelioma, tumor types associated with high mesothelin expression. RESULTS Fifty-nine patients were treated at doses between 0.01 and 3.6 mg/kg. The maximum tolerated dose was not reached, and 3.6 mg/kg was selected as the recommended phase II dose. Seven patients (12%) reported infusion-related reactions. Treatment-related grade ≥3 treatment-emergent adverse events were pericardial effusion, colitis, infusion-related reaction, and pleural effusion (n=1 each, 2%), with no cytokine release syndrome reported. The pharmacokinetic profile demonstrated roughly dose-proportional increases in exposure from 0.4 to 3.6 mg/kg. Best response was stable disease in 9/25 patients (36%) treated at the recommended phase II dose. CD40 receptor occupancy >90% was observed on peripheral B-cells starting from 0.8 mg/kg; however, no consistent changes from baseline in intratumoral CD8+ T-cells, programmed death ligand-1 (PD-L1+) cells, or immune-related gene expression were detected post-ABBV-428 treatment (cycle 2, day 1). Mesothelin membrane staining showed greater correlation with progression-free survival in ovarian cancer and mesothelioma than in the broader dose escalation population. CONCLUSIONS ABBV-428 monotherapy exhibited dose-proportional pharmacokinetics and an acceptable safety profile, particularly for toxicities characteristic of CD40 agonism, illustrating that utilization of a tumor-targeted, bispecific antibody can improve the safety of CD40 agonism as a therapeutic approach. ABBV-428 monotherapy had minimal clinical activity in dose escalation and in a small expansion cohort of patients with advanced mesothelioma or ovarian cancer. TRIAL REGISTRATION NUMBER NCT02955251.
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Affiliation(s)
- Jason J Luke
- Cancer Immunotherapeutics Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Fabrice Barlesi
- Multidisciplinary Oncology & Therapeutic Innovations Department, Aix-Marseille University, Assistance Publique Hôpitaux de Marseille, CNRS, INSERM, CRCM, CEPCM CLIP2, Marseille, France
| | - Ki Chung
- Hematology and Oncology, PRISMA Health System, Greenville, South Carolina, USA
| | | | - Karen Kelly
- UC Davis Comprehensive Cancer Center, University of California, Sacramento, California, USA
| | - Antoine Hollebecque
- Drug Development Department (DITEP), Gustave Roussy Cancer Campus, Villejuif, France
| | - Christophe Le Tourneau
- Department of Drug Development and Innovation (D3i), Curie Institute, Paris and Saint-Cloud, France.,INSERM U900 Research Unit, Saint-Cloud, France.,Paris-Saclay University, Paris, France
| | - Vivek Subbiah
- Department of Investigational Cancer Therapeutics, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Frank Tsai
- Hematology/Oncology, HonorHealth Research Institute, Scottsdale, Arizona, USA
| | - Steven Kao
- Medical Oncology, Chris O'Brien Lifehouse, Camperdown, New South Wales, Australia
| | | | - Mustafa Khasraw
- Department of Neurosurgery, Duke University, Durham, North Carolina, USA
| | - Hedy L Kindler
- Section of Hematology/Oncology, University of Chicago Medicine, Chicago, Illinois, USA
| | - Hua Fang
- Precision Medicine, AbbVie Inc, Redwood City, California, USA
| | - Frances Fan
- Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Kathryn Allaire
- Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Maulik Patel
- Clinical Pharmacology, AbbVie Inc, Redwood City, California, USA
| | - Shiming Ye
- Oncology Discovery, AbbVie Inc, Redwood City, California, USA
| | - Debra T Chao
- Search & Evaluation, Oncology, AbbVie Inc, Redwood City, California, USA
| | | | - Joel S Hayflick
- Oncology Early Development, AbbVie Inc, Redwood City, California, USA
| | | | - Lawrence Fong
- Department of Medicine, University of California San Francisco, San Francisco, California, USA
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29
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Do novel treatment strategies enhance T cell-mediated Immunity: Opportunities and challenges in pancreatic cancer immunotherapy. Int Immunopharmacol 2020; 90:107199. [PMID: 33246828 DOI: 10.1016/j.intimp.2020.107199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/06/2020] [Accepted: 11/09/2020] [Indexed: 02/07/2023]
Abstract
Although immunotherapy is successful when included as component of treatment strategies for advanced cancers, data are insufficient for evaluating its efficacy for treating patients with pancreatic cancer (PC). PC is remarkably resistant to current immunotherapies because of its strongly immunosuppressive tumor microenvironment comprising immunosuppressive cells such as myeloid-derived suppressor cells and regulatory T cells, which limit the efficacy of T cell infiltration. Thus, the ability to achieve robust and durable intrinsic T cell efficacy may represent the key for improving patients' outcomes. Recent studies show that the efficacy of immunotherapy for treating PC will be significantly improved when combined with novel treatment strategies. This review summarizes the latest research in this rapidly progressing area and provides an overview of how current therapies enhance T cell-mediated immunotherapies that employ immune checkpoint inhibitors, cytokines, cell receptor modulators, tumor microenvironment regulators, vaccines, and gene-targeted immunotherapies. We highlight novel discoveries, which promise to guide future management of PC, and clinical trials aimed to increase the overall survival rate of patients with PC.
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30
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Lu H, Zhou Q, He J, Jiang Z, Peng C, Tong R, Shi J. Recent advances in the development of protein-protein interactions modulators: mechanisms and clinical trials. Signal Transduct Target Ther 2020; 5:213. [PMID: 32968059 PMCID: PMC7511340 DOI: 10.1038/s41392-020-00315-3] [Citation(s) in RCA: 340] [Impact Index Per Article: 85.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/15/2020] [Accepted: 07/23/2020] [Indexed: 02/05/2023] Open
Abstract
Protein-protein interactions (PPIs) have pivotal roles in life processes. The studies showed that aberrant PPIs are associated with various diseases, including cancer, infectious diseases, and neurodegenerative diseases. Therefore, targeting PPIs is a direction in treating diseases and an essential strategy for the development of new drugs. In the past few decades, the modulation of PPIs has been recognized as one of the most challenging drug discovery tasks. In recent years, some PPIs modulators have entered clinical studies, some of which been approved for marketing, indicating that the modulators targeting PPIs have broad prospects. Here, we summarize the recent advances in PPIs modulators, including small molecules, peptides, and antibodies, hoping to provide some guidance to the design of novel drugs targeting PPIs in the future.
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Affiliation(s)
- Haiying Lu
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, 610072, Chengdu, China
| | - Qiaodan Zhou
- Department of Ultrasonic, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, 610072, Chengdu, China
| | - Jun He
- Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, 610041, Sichuan, China
| | - Zhongliang Jiang
- Miller School of Medicine, University of Miami, Miami, FL, 33136, USA
| | - Cheng Peng
- The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicines of Ministry, State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources, Pharmacy College, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China.
| | - Rongsheng Tong
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, 610072, Chengdu, China.
| | - Jianyou Shi
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, 610072, Chengdu, China.
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31
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Yu X, Chan HTC, Fisher H, Penfold CA, Kim J, Inzhelevskaya T, Mockridge CI, French RR, Duriez PJ, Douglas LR, English V, Verbeek JS, White AL, Tews I, Glennie MJ, Cragg MS. Isotype Switching Converts Anti-CD40 Antagonism to Agonism to Elicit Potent Antitumor Activity. Cancer Cell 2020; 37:850-866.e7. [PMID: 32442402 PMCID: PMC7280789 DOI: 10.1016/j.ccell.2020.04.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 02/28/2020] [Accepted: 04/21/2020] [Indexed: 12/28/2022]
Abstract
Anti-CD40 monoclonal antibodies (mAbs) comprise agonists and antagonists, which display promising therapeutic activities in cancer and autoimmunity, respectively. We previously showed that epitope and isotype interact to deliver optimal agonistic anti-CD40 mAbs. The impact of Fc engineering on antagonists, however, remains largely unexplored. Here, we show that clinically relevant antagonists used for treating autoimmune conditions can be converted into potent FcγR-independent agonists with remarkable antitumor activity by isotype switching to hIgG2. One antagonist is converted to a super-agonist with greater potency than previously reported highly agonistic anti-CD40 mAbs. Such conversion is dependent on the unique disulfide bonding properties of the hIgG2 hinge. This investigation highlights the transformative capacity of the hIgG2 isotype for converting antagonists to agonists to treat cancer.
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Affiliation(s)
- Xiaojie Yu
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK.
| | - H T Claude Chan
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Hayden Fisher
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK; Institute for Life Sciences, University of Southampton, Southampton, UK; Biological Sciences, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK
| | - Christine A Penfold
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Jinny Kim
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Tatyana Inzhelevskaya
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - C Ian Mockridge
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Ruth R French
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Patrick J Duriez
- CRUK Protein Core Facility, University of Southampton Faculty of Medicine, Southampton, UK
| | - Leon R Douglas
- CRUK Protein Core Facility, University of Southampton Faculty of Medicine, Southampton, UK
| | - Vikki English
- Pre-clinical Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - J Sjef Verbeek
- Department of Human Genetics, Leiden University Medical Centre, Leiden, the Netherlands
| | - Ann L White
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Ivo Tews
- Institute for Life Sciences, University of Southampton, Southampton, UK; Biological Sciences, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK
| | - Martin J Glennie
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK
| | - Mark S Cragg
- Antibody and Vaccine Group, Cancer Sciences Unit, University of Southampton Faculty of Medicine, Southampton, UK; Institute for Life Sciences, University of Southampton, Southampton, UK.
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32
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Zhang Y, Wang N, Ding M, Yang Y, Wang Z, Huang L, Zhu W, Mellor AL, Hou X, Zhou C, Yan R, Wang W, Wu S. CD40 Accelerates the Antigen-Specific Stem-Like Memory CD8 + T Cells Formation and Human Papilloma Virus (HPV)-Positive Tumor Eradication. Front Immunol 2020; 11:1012. [PMID: 32536922 PMCID: PMC7267052 DOI: 10.3389/fimmu.2020.01012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/28/2020] [Indexed: 01/03/2023] Open
Abstract
Antigen-specific stem-like memory CD8+ T cells (Tscm) have a series of stem cell characteristics, including long-term survival, self-renewal, anti-apoptosis and persistent differentiation into cytotoxic T cells. The effective induction of tumor-specific CD8+ Tscm could persistently eradicate tumor in pro-tumor hostile microenvironment. This study was to investigate the role of CD40 in HPV16-specific CD8+ Tscm induction and its anti-tumor function. We found that CD40 activation accelerated vaccine-induced HPV16 E7-specific CD8+ Tscm formation. Comparing to other HPV-specific CD8+ T cells, CD8+ Tscm were found to be stronger and long-term anti-tumor function, in vivo and in vitro, even in the adoptive cellular transferring model. Furthermore, high frequencies of Tscm might prevent the HPV infection to move on to the development of cancer. And the CD40 effect on Tscm involved Wnt/β-catenin activation. Our study suggest that CD40 activation supports the generation of tumor-specific CD8+ Tscm, thus providing new insight into cancer immunotherapy.
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Affiliation(s)
- Yanmei Zhang
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangdong Provincial Key Laboratory of Proteomics, Guangzhou, China
| | - Nisha Wang
- Guangdong Provincial Key Laboratory of Single Cell Technology and Application, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Meilin Ding
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangdong Provincial Key Laboratory of Proteomics, Guangzhou, China
| | - Yang Yang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Obstetrics and Gynecology, The Six Affiliated Hospital of Guangzhou Medical University, Qingyuan, China
| | - Zhimin Wang
- Center for Gene and Cellular Immunotherapy, National Center for the International Research in Cell and Gene Therapy, School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Lei Huang
- Faculty of Medical Sciences, Framlington Place, Institute of Cellular Medicine, Newcastle University, Newcastle-Upon-Tyne, United Kingdom
| | - Wei Zhu
- Hepatology Unit and Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Andrew L Mellor
- Faculty of Medical Sciences, Framlington Place, Institute of Cellular Medicine, Newcastle University, Newcastle-Upon-Tyne, United Kingdom
| | - Xiaorui Hou
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangdong Provincial Key Laboratory of Proteomics, Guangzhou, China
| | - Chenfei Zhou
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ruiming Yan
- Department of Obstetrics and Gynecology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Wei Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Sha Wu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangdong Provincial Key Laboratory of Proteomics, Guangzhou, China
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33
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Yoon A, Lee S, Lee S, Lim S, Park YY, Song E, Kim DS, Kim K, Lim Y. A Novel T Cell-Engaging Bispecific Antibody for Treating Mesothelin-Positive Solid Tumors. Biomolecules 2020; 10:biom10030399. [PMID: 32143496 PMCID: PMC7175222 DOI: 10.3390/biom10030399] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 11/22/2022] Open
Abstract
As mesothelin is overexpressed in various types of cancer, it is an attractive target for therapeutic antibodies. T-cell bispecific antibodies bind to target cells and engage T cells via binding to CD3, resulting in target cell killing by T-cell activation. However, the affinity of the CD3-binding arm may influence CD3-mediated plasma clearance or antibody trapping in T-cell-containing tissues. This may then affect the biodistribution of bispecific antibodies. In this study, we used scFab and knob-into-hole technologies to construct novel IgG-based 1 + 1 MG1122-A and 2 + 1 MG1122-B bispecific antibodies against mesothelin and CD3ε. MG1122-B was designed to be bivalent to mesothelin and monovalent to CD3ε, using a 2 + 1 head-to-tail format. Activities of the two antibodies were evaluated in mesothelin-positive tumor cells in vitro and xenograft models in vivo. Although both antibodies exhibited target cell killing efficacy and produced regression of xenograft tumors with CD8+ T-cell infiltration, the antitumor efficacy of MG1122-B was significantly higher. MG1122-B may improve tumor targeting because of its bivalency for tumor antigen. It may also reduce systemic toxicity by limiting the activation of circulating T cells. Thus, MG1122-B may be useful for treating mesothelin-positive solid tumors.
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