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Dabkowska A, Domka K, Firczuk M. Advancements in cancer immunotherapies targeting CD20: from pioneering monoclonal antibodies to chimeric antigen receptor-modified T cells. Front Immunol 2024; 15:1363102. [PMID: 38638442 PMCID: PMC11024268 DOI: 10.3389/fimmu.2024.1363102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 03/25/2024] [Indexed: 04/20/2024] Open
Abstract
CD20 located predominantly on the B cells plays a crucial role in their development, differentiation, and activation, and serves as a key therapeutic target for the treatment of B-cell malignancies. The breakthrough of monoclonal antibodies directed against CD20, notably exemplified by rituximab, revolutionized the prognosis of B-cell malignancies. Rituximab, approved across various hematological malignancies, marked a paradigm shift in cancer treatment. In the current landscape, immunotherapies targeting CD20 continue to evolve rapidly. Beyond traditional mAbs, advancements include antibody-drug conjugates (ADCs), bispecific antibodies (BsAbs), and chimeric antigen receptor-modified (CAR) T cells. ADCs combine the precision of antibodies with the cytotoxic potential of drugs, presenting a promising avenue for enhanced therapeutic efficacy. BsAbs, particularly CD20xCD3 constructs, redirect cytotoxic T cells to eliminate cancer cells, thereby enhancing both precision and potency in their therapeutic action. CAR-T cells stand as a promising strategy for combatting hematological malignancies, representing one of the truly personalized therapeutic interventions. Many new therapies are currently being evaluated in clinical trials. This review serves as a comprehensive summary of CD20-targeted therapies, highlighting the progress and challenges that persist. Despite significant advancements, adverse events associated with these therapies and the development of resistance remain critical issues. Understanding and mitigating these challenges is paramount for the continued success of CD20-targeted immunotherapies.
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Affiliation(s)
- Agnieszka Dabkowska
- Laboratory of Immunology, Mossakowski Medical Research Institute Polish Academy of Sciences, Warsaw, Poland
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Krzysztof Domka
- Laboratory of Immunology, Mossakowski Medical Research Institute Polish Academy of Sciences, Warsaw, Poland
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Malgorzata Firczuk
- Laboratory of Immunology, Mossakowski Medical Research Institute Polish Academy of Sciences, Warsaw, Poland
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
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2
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Cytryniak A, Żelechowska-Matysiak K, Nazaruk E, Bilewicz R, Walczak R, Majka E, Mames A, Bruchertseifer F, Morgenstern A, Bilewicz A, Majkowska-Pilip A. Cubosomal Lipid Formulation for Combination Cancer Treatment: Delivery of a Chemotherapeutic Agent and Complexed α-Particle Emitter 213Bi. Mol Pharm 2022; 19:2818-2831. [PMID: 35849547 PMCID: PMC9346610 DOI: 10.1021/acs.molpharmaceut.2c00182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Here, we propose tailored lipid liquid-crystalline carriers (cubosomes), which incorporate an anticancer drug (doxorubicin) and complexed short-lived α-emitter (bismuth-213), as a strategy to obtain more effective action toward the cancer cells. Cubosomes were formulated with doxorubicin (DOX) and an amphiphilic ligand (DOTAGA-OA), which forms stable complexes with 213Bi radionuclide. The behavior of DOX incorporated into the carrier together with the chelating agent was investigated, and the drug liberation profile was determined. The experiments revealed that the presence of the DOTAGA-OA ligand affects the activity of DOX when they are incorporated into the same carrier. This unexpected influence was explained based on the results of release studies, which proved the contribution of electrostatics in molecular interactions between the positively charged DOX and negatively charged DOTAGA-OA in acidic and neutral solutions. A significant decrease in the viability of HeLa cancer cells was achieved using sequential cell exposure: first to the radiolabeled cubosomes containing 213Bi complex and next to DOX-doped cubosomes. Therefore, the sequential procedure for the delivery of both drugs encapsulated in cubosomes is suggested for further biological and in vivo studies.
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Affiliation(s)
- Adrianna Cytryniak
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Kinga Żelechowska-Matysiak
- Centre of Radiochemistry and Nuclear Chemistry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | - Ewa Nazaruk
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Renata Bilewicz
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Rafał Walczak
- Centre of Radiochemistry and Nuclear Chemistry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | - Emilia Majka
- Centre of Radiochemistry and Nuclear Chemistry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | - Adam Mames
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Frank Bruchertseifer
- Directorate for Nuclear Safety and Security, European Commission, Joint Research Centre, Postfach 2340, 76125 Karlsruhe, Germany
| | - Alfred Morgenstern
- Directorate for Nuclear Safety and Security, European Commission, Joint Research Centre, Postfach 2340, 76125 Karlsruhe, Germany
| | - Aleksander Bilewicz
- Centre of Radiochemistry and Nuclear Chemistry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | - Agnieszka Majkowska-Pilip
- Centre of Radiochemistry and Nuclear Chemistry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
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3
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Namoglu EC, Hughes ME, Nasta SD. Targeted immunotherapies to consider for B Cell non-hodgkin lymphoma. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2021. [DOI: 10.1080/23808993.2021.1967142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Esin C. Namoglu
- Lymphoma Program, Hematology/Oncology Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Mitchell E. Hughes
- Lymphoma Program, Hematology/Oncology Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Sunita D. Nasta
- Lymphoma Program, Hematology/Oncology Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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Patel TK, Adhikari N, Amin SA, Biswas S, Jha T, Ghosh B. Small molecule drug conjugates (SMDCs): an emerging strategy for anticancer drug design and discovery. NEW J CHEM 2021. [DOI: 10.1039/d0nj04134c] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Mechanisms of how SMDCs work. Small molecule drugs are conjugated with the targeted ligand using pH sensitive linkers which allow the drug molecule to get released at lower lysosomal pH. It helps to accumulate the chemotherapeutic agents to be localized in the tumor environment upon cleaving of the pH-labile bonds.
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Affiliation(s)
- Tarun Kumar Patel
- Epigenetic Research Laboratory, Department of Pharmacy
- BITS-Pilani
- Hyderabad
- India
| | - Nilanjan Adhikari
- Natural Science Laboratory
- Division of Medicinal and Pharmaceutical Chemistry
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
| | - Sk. Abdul Amin
- Natural Science Laboratory
- Division of Medicinal and Pharmaceutical Chemistry
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
| | - Swati Biswas
- Epigenetic Research Laboratory, Department of Pharmacy
- BITS-Pilani
- Hyderabad
- India
| | - Tarun Jha
- Natural Science Laboratory
- Division of Medicinal and Pharmaceutical Chemistry
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy
- BITS-Pilani
- Hyderabad
- India
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Liu W, Tang Y, Ma H, Li F, Hu Y, Yang Y, Yang J, Liao J, Liu N. Astatine-211 labelled a small molecule peptide: specific cell killing in vitro and targeted therapy in a nude-mouse model. RADIOCHIM ACTA 2020. [DOI: 10.1515/ract-2020-0016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract
Extensive interest in the development of α-emitting radionuclides astatine-211 (211At) stems from the potential superiority for the treatment of smaller tumors, disseminated disease, and metastatic disease. VP2, a small molecule fusion peptide, can specifically bind to the VPAC1 receptor which is over-expressed in malignant epithelial tumors. In our recent study, we performed the preparation of 211At labelled VP2 through a one-step method. In this work, we explored the targeted radionuclide therapy with [211At]At-SPC-VP2 in vitro and in vivo. The cytotoxicity and specific cell killing of [211At]At-SPC-VP2 were evaluated using the CCK-8 assay. Compared with the [211At]NaAt, the VPAC1-targeted radionuclide compound [211At]At-SPC-VP2 showed more effective cytotoxicity in vitro. Targeted radioactive therapy trial was carried out in non-small-cell lung cancer (NSCLC) xenograft mice. For the therapy experiment, 4 groups of mice were injected via the tail vein with 370 kBq, 550 kBq, 740 kBq, 3 × ∼246 kBq of [211At]At-SPC-VP2, of which the second and third injections were given 4 and 8 days after the first injection, respectively. As controls, animals were treated with saline or 550 kBq [211At]NaAt. The body weight and tumor size of mice were monitored before the administration and every 2 days thereafter. Cytotoxic radiation of partial tissue samples such as kidneys, liver and stomach of mice were assessed by immunohistochemical examination. The tumor growth was inhibited and significantly improved survival was achieved in mice treated with [211At]At-SPC-VP2, two-fold prolongation of survival compared with the control group, which received normal saline or 550 kBq [211At]NaAt. No renal or hepatic toxicity was observed in the mice receiving [211At]At-SPC-VP2, but gastric pathological sections showed 211At uptake in stomach resulting in later toxicity, highlighting the importance of further enhancing the stability of labelled compounds.
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Affiliation(s)
- Weihao Liu
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Yu Tang
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Huan Ma
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Feize Li
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Yingjiang Hu
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Yuanyou Yang
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Jijun Yang
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Jiali Liao
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
| | - Ning Liu
- Key Laboratory of Radiation Physics and Technology (Sichuan University), Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University , Chengdu , China
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Wang S, Zhou D, Xu Z, Song J, Qian X, Lv X, Luan J. Anti-tumor Drug Targets Analysis: Current Insight and Future Prospect. Curr Drug Targets 2020; 20:1180-1202. [PMID: 30947670 DOI: 10.2174/1389450120666190402145325] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/21/2019] [Accepted: 03/22/2019] [Indexed: 12/13/2022]
Abstract
The incidence and mortality of malignant tumors are on the rise, which has become the second leading cause of death in the world. At present, anti-tumor drugs are one of the most common methods for treating cancer. In recent years, with the in-depth study of tumor biology and related disciplines, it has been gradually discovered that the essence of cell carcinogenesis is the infinite proliferation of cells caused by the disorder of cell signal transduction pathways, followed by a major shift in the concept of anti-tumor drugs research and development. The focus of research and development is shifting from traditional cytotoxic drugs to a new generation of anti-tumor drugs targeted at abnormal signaling system targets in tumor cells. In this review, we summarize the targets of anti-tumor drugs and analyse the molecular mechanisms of their effects, which lay a foundation for subsequent treatment, research and development.
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Affiliation(s)
- Sheng Wang
- Department of Pharmacy, Yijishan Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
| | - Dexi Zhou
- Department of Pharmacy, Yijishan Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
| | - Zhenyu Xu
- Department of Pharmacy, Yijishan Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
| | - Jing Song
- Department of Pharmacy, Yijishan Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
| | - Xueyi Qian
- Department of Pharmacy, Yijishan Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
| | - Xiongwen Lv
- The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, School of Pharmacy, Institute for Liver Disease of Anhui Medical University, Hefei, Anhui Province, China
| | - Jiajie Luan
- Department of Pharmacy, Yijishan Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, China
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7
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Majkowska-Pilip A, Gawęda W, Żelechowska-Matysiak K, Wawrowicz K, Bilewicz A. Nanoparticles in Targeted Alpha Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1366. [PMID: 32668687 PMCID: PMC7408031 DOI: 10.3390/nano10071366] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/04/2020] [Accepted: 07/09/2020] [Indexed: 02/01/2023]
Abstract
Recent advances in the field of nanotechnology application in nuclear medicine offer the promise of better therapeutic options. In recent years, increasing efforts have been made on developing nanoconstructs that can be used as carriers for immobilising alpha (α)-emitters in targeted drug delivery. In this publication, we provide a comprehensive overview of available information on functional nanomaterials for targeted alpha therapy. The first section describes why nanoconstructs are used for the synthesis of α-emitting radiopharmaceuticals. Next, we present the synthesis and summarise the recent studies demonstrating therapeutic applications of α-emitting labelled radiobioconjugates in targeted therapy. Finally, future prospects and the emerging possibility of therapeutic application of radiolabelled nanomaterials are discussed.
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Affiliation(s)
- Agnieszka Majkowska-Pilip
- Centre of Radiochemistry and Nuclear Chemistry, Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland; (W.G.); (K.Ż.-M.); (K.W.); (A.B.)
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8
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Ermert J, Benešová M, Hugenberg V, Gupta V, Spahn I, Pietzsch HJ, Liolios C, Kopka K. Radiopharmaceutical Sciences. Clin Nucl Med 2020. [DOI: 10.1007/978-3-030-39457-8_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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9
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Deneka AY, Boumber Y, Beck T, Golemis EA. Tumor-Targeted Drug Conjugates as an Emerging Novel Therapeutic Approach in Small Cell Lung Cancer (SCLC). Cancers (Basel) 2019; 11:E1297. [PMID: 31484422 PMCID: PMC6769513 DOI: 10.3390/cancers11091297] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 08/25/2019] [Accepted: 08/30/2019] [Indexed: 02/07/2023] Open
Abstract
There are few effective therapies for small cell lung cancer (SCLC), a highly aggressive disease representing 15% of total lung cancers. With median survival <2 years, SCLC is one of the most lethal cancers. At present, chemotherapies and radiation therapy are commonly used for SCLC management. Few protein-targeted therapies have shown efficacy in improving overall survival; immune checkpoint inhibitors (ICIs) are promising agents, but many SCLC tumors do not express ICI targets such as PD-L1. This article presents an alternative approach to the treatment of SCLC: the use of drug conjugates, where a targeting moiety concentrates otherwise toxic agents in the vicinity of tumors, maximizing the differential between tumor killing and the cytotoxicity of normal tissues. Several tumor-targeted drug conjugate delivery systems exist and are currently being actively tested in the setting of SCLC. These include antibody-drug conjugates (ADCs), radioimmunoconjugates (RICs), small molecule-drug conjugates (SMDCs), and polymer-drug conjugates (PDCs). We summarize the basis of action for these targeting compounds, discussing principles of construction and providing examples of effective versus ineffective compounds, as established by preclinical and clinical testing. Such agents may offer new therapeutic options for the clinical management of this challenging disease in the future.
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Affiliation(s)
- Alexander Y Deneka
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA.
- Department of Biochemistry, Kazan Federal University, 420000 Kazan, Russia.
| | - Yanis Boumber
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
- Department of Biochemistry, Kazan Federal University, 420000 Kazan, Russia
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
| | - Tim Beck
- Cleveland Clinic, Cleveland, OH 44195, USA
| | - Erica A Golemis
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA.
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Cędrowska E, Pruszynski M, Majkowska-Pilip A, Męczyńska-Wielgosz S, Bruchertseifer F, Morgenstern A, Bilewicz A. Functionalized TiO 2 nanoparticles labelled with 225Ac for targeted alpha radionuclide therapy. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2018; 20:83. [PMID: 29576738 PMCID: PMC5861168 DOI: 10.1007/s11051-018-4181-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 02/28/2018] [Indexed: 06/08/2023]
Abstract
The 225Ac radioisotope exhibits very attractive nuclear properties for application in radionuclide therapy. Unfortunately, the major challenge for radioconjugates labelled with 225Ac is that traditional chelating moieties are unable to sequester the radioactive daughters in the bioconjugate which is critical to minimize toxicity to healthy, non-targeted tissues. In the present work, we propose to apply TiO2 nanoparticles (NPs) as carrier for 225Ac and its decay products. The surface of TiO2 nanoparticles with 25 nm diameter was modified with Substance P (5-11), a peptide fragment which targets NK1 receptors on the glioma cells, through the silan-PEG-NHS linker. Nanoparticles functionalized with Substance P (5-11) were synthesized with high yield in a two-step procedure, and the products were characterized by transmission electron microscopy (TEM), dynamic light scattering (DLS) and thermogravimetric analysis (TGA). The obtained results show that one TiO2-bioconjugate nanoparticle contains in average 80 peptide molecules on its surface. The synthesized TiO2-PEG-SP(5-11) conjugates were labelled with 225Ac by ion-exchange reaction on hydroxyl (OH) functional groups on the TiO2 surface. The labelled bioconjugates almost quantitatively retain 225Ac in phosphate-buffered saline (PBS), physiological salt and cerebrospinal fluid (CSF) for up to 10 days. The leaching of 221Fr, a first decay daughter of 225Ac, in an amount of 30% was observed only in CSF after 10 days. The synthesized 225Ac-TiO2-PEG-SP(5-11) has shown high cytotoxic effect in vitro in T98G glioma cells; therefore, it is a promising new radioconjugate for targeted radionuclide therapy of brain tumours.
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Affiliation(s)
- Edyta Cędrowska
- Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | - Marek Pruszynski
- Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
| | | | | | - Frank Bruchertseifer
- European Commission, Joint Research Centre, Department for Nuclear Safety and Security, 76125 Karlsruhe, Germany
| | - Alfred Morgenstern
- European Commission, Joint Research Centre, Department for Nuclear Safety and Security, 76125 Karlsruhe, Germany
| | - Aleksander Bilewicz
- Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
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Monoclonal Antibodies Radiolabeling with Rhenium-188 for Radioimmunotherapy. BIOMED RESEARCH INTERNATIONAL 2017; 2017:5923609. [PMID: 28951872 PMCID: PMC5603324 DOI: 10.1155/2017/5923609] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 07/28/2017] [Accepted: 08/03/2017] [Indexed: 12/20/2022]
Abstract
Rhenium-188, obtained from an alumina-based tungsten-188/rhenium-188 generator, is actually considered a useful candidate for labeling biomolecules such as antibodies, antibody fragments, peptides, and DNAs for radiotherapy. There is a widespread interest in the availability of labeling procedures that allow obtaining 188Re-labeled radiopharmaceuticals for various therapeutic applications, in particular for the rhenium attachment to tumor-specific monoclonal antibodies (Mo)Abs for immunotherapy. Different approaches have been developed in order to obtain 188Re-radioimmunoconjugates in high radiochemical purity starting from the generator eluted [188Re]ReO4−. The aim of this paper is to provide a short overview on 188Re-labeled (Mo)Abs, focusing in particular on the radiolabeling methods, quality control of radioimmunoconjugates, and their in vitro stability for radioimmunotherapy (RIT), with particular reference to the most important contributions published in literature in this topic.
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12
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Kuan JW, Law CS, Wong XQ, Ko CT, Awang ZH, Chew LP, Chang KM. A pioneer experience in Malaysia on In-house Radio-labelling of (131)I-rituximab in the treatment of Non-Hodgkin's Lymphoma and a case report of high dose (131)I-rituximab-BEAM conditioning autologous transplant. Appl Radiat Isot 2016; 116:13-21. [PMID: 27472826 DOI: 10.1016/j.apradiso.2016.07.016] [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: 04/13/2016] [Revised: 07/12/2016] [Accepted: 07/19/2016] [Indexed: 11/17/2022]
Abstract
Radioimmunotherapy is an established treatment modality in Non-Hodgkin's lymphoma. The only two commercially available radioimmunotherapies - (90)Y-ibritumomab tiuxetan is expensive and (131)I-tositumomab has been discontinued from commercial production. In resource limited environment, self-labelling (131)I-rituximab might be the only viable practical option. We reported our pioneer experience in Malaysia on self-labelling (131)I-rituximab, substituting autologous haematopoietic stem cell transplantation (HSCT) and a patient, the first reported case, received high dose (131)I-rituximab (6000MBq/163mCi) combined with BEAM conditioning for autologous HSCT.
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Affiliation(s)
- Jew Win Kuan
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, 94300 Malaysia.
| | - Chiong Soon Law
- Department of Nuclear Medicine, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Xiang Qi Wong
- Sterile Production Section, Department of Pharmacy, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Ching Tiong Ko
- Sterile Production Section, Department of Pharmacy, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Zool Hilmi Awang
- Department of Nuclear Medicine, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Lee Ping Chew
- Haemotology Unit, Department of Medicine, Sarawak General Hospital, Jalan Hospital, Kuching, Sarawak, 93586 Malaysia.
| | - Kian Meng Chang
- Department of Haematology, Ampang Hospital, Jalan Mewah Utara, Pandan Mewah, Ampang, Selangor, 68000 Malaysia.
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13
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Kumar C, Shetake N, Desai S, Kumar A, Samuel G, Pandey BN. Relevance of radiobiological concepts in radionuclide therapy of cancer. Int J Radiat Biol 2016; 92:173-86. [PMID: 26917443 DOI: 10.3109/09553002.2016.1144944] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE Radionuclide therapy (RNT) is a rapidly growing area of clinical nuclear medicine, wherein radionuclides are employed to deliver cytotoxic dose of radiation to the diseased cells/tissues. During RNT, radionuclides are either directly administered or delivered through biomolecules targeting the diseased site. RNT has been clinically used for diverse range of diseases including cancer, which is the focus of the review. CONCLUSIONS The major emphasis in RNT has so far been given towards developing peptides/antibodies and other molecules to conjugate a variety of therapeutic radioisotopes for improved targeting/delivery of radiation dose to the tumor cells. Despite that, many of the RNT approaches have not achieved their desired therapeutic success probably due to poor knowledge about complex and dynamic (i) fate of radiolabeled molecules; (ii) radiation dose delivered; (iii) cellular heterogeneity in tumor mass; and (iv) cellular radiobiological response. Based on understanding gathered during recent years, it may be stated that besides the absorbed dose, the net radiobiological response of tumor/normal cells also determines the clinical response of radiotherapeutic modalities including RNT. The radiosensitivity of tumor/normal cells is governed by radiobiological phenomenon such as radiation-induced bystander effect, genomic instability, adaptive response and low dose hyper-radiosensitivity. These concepts have been well investigated in the context of external beam radiotherapy, but their clinical implications during RNT have received meagre attention. In this direction, a few studies performed using in vitro and in vivo models envisage the possibilities of exploiting the radiobiological knowledge for improved therapeutic outcome of RNT.
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Affiliation(s)
- Chandan Kumar
- a Radiopharmaceutical Chemistry Section , Bhabha Atomic Research Centre , Mumbai
| | - Neena Shetake
- b Radiation Biology and Health Sciences Division , Bhabha Atomic Research Centre , Mumbai
| | - Sejal Desai
- b Radiation Biology and Health Sciences Division , Bhabha Atomic Research Centre , Mumbai ;,d Homi Bhabha National Institute , Mumbai , India
| | - Amit Kumar
- b Radiation Biology and Health Sciences Division , Bhabha Atomic Research Centre , Mumbai ;,d Homi Bhabha National Institute , Mumbai , India
| | - Grace Samuel
- c Isotope Production and Applications Division , Bhabha Atomic Research Centre , Mumbai
| | - Badri N Pandey
- b Radiation Biology and Health Sciences Division , Bhabha Atomic Research Centre , Mumbai ;,d Homi Bhabha National Institute , Mumbai , India
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14
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Managing lymphoma with non-FDG radiotracers: current clinical and preclinical applications. BIOMED RESEARCH INTERNATIONAL 2013; 2013:626910. [PMID: 23841079 PMCID: PMC3690206 DOI: 10.1155/2013/626910] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Accepted: 05/27/2013] [Indexed: 11/18/2022]
Abstract
Nuclear medicine imaging modalities such as positron emission tomography (PET) and single-photon emission computed tomography (SPECT) have played a prominent role in lymphoma management. PET with [(18)F]Fluoro-2-deoxy-D-glucose (FDG) is the most commonly used tool for lymphoma imaging. However, FDG-PET has several limitations that give the false positive or false negative diagnosis of lymphoma. Therefore, development of new radiotracers with higher sensitivity, specificity, and different uptake mechanism is in great demand in the management of lymphoma. This paper reviews non-FDG radiopharmaceuticals that have been applied for PET and SPECT imaging in patients with different types of lymphoma, with attention to diagnosis, staging, therapy response assessment, and surveillance for disease relapse. In addition, we introduce three radiolabeled anti-CD20 antibodies for radioimmunotherapy, which is another important arm for lymphoma treatment and management. Finally, the relatively promising radiotracers that are currently under preclinical development are also discussed in this paper.
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Abstract
BACKGROUND With our growing understanding of the immune system and mechanisms employed by tumors to evade destruction, the field of cancer immunotherapy has been revitalized. Concurrent inflammation has long been associated with follicular cell-derived thyroid cancer (FDTC). In the last decade, much research has focused on characterizing the tumor-associated immune response in patients with FDTC. SUMMARY Mast cells, natural killer cells, macrophages, dendritic cells, B cells, and T cells have been identified within FDTC-associated immune infiltrate. Collectively, these findings suggest that the immune response to FDTC is compromised and may even promote tumor progression. A more thorough characterization of the tumor-associated immune response in FDTC may lead to the development of immune-based adjuvant therapies for patients with aggressive disease. CONCLUSIONS Immune-based therapies could provide essential alternatives to patients that cannot be treated surgically, those with recurrent or persistent lymph node metastases, and those with anaplastic thyroid cancer.
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Affiliation(s)
- Jena D French
- Department of Medicine, Division of Endocrinology, Metabolism, and Diabetes, University of Colorado , Aurora, CO 80045, USA.
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Firer MA, Gellerman G. Targeted drug delivery for cancer therapy: the other side of antibodies. J Hematol Oncol 2012; 5:70. [PMID: 23140144 PMCID: PMC3508879 DOI: 10.1186/1756-8722-5-70] [Citation(s) in RCA: 183] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Accepted: 10/18/2012] [Indexed: 12/21/2022] Open
Abstract
Therapeutic monoclonal antibody (TMA) based therapies for cancer have advanced significantly over the past two decades both in their molecular sophistication and clinical efficacy. Initial development efforts focused mainly on humanizing the antibody protein to overcome problems of immunogenicity and on expanding of the target antigen repertoire. In parallel to naked TMAs, antibody-drug conjugates (ADCs) have been developed for targeted delivery of potent anti-cancer drugs with the aim of bypassing the morbidity common to conventional chemotherapy. This paper first presents a review of TMAs and ADCs approved for clinical use by the FDA and those in development, focusing on hematological malignancies. Despite advances in these areas, both TMAs and ADCs still carry limitations and we highlight the more important ones including cancer cell specificity, conjugation chemistry, tumor penetration, product heterogeneity and manufacturing issues. In view of the recognized importance of targeted drug delivery strategies for cancer therapy, we discuss the advantages of alternative drug carriers and where these should be applied, focusing on peptide-drug conjugates (PDCs), particularly those discovered through combinatorial peptide libraries. By defining the advantages and disadvantages of naked TMAs, ADCs and PDCs it should be possible to develop a more rational approach to the application of targeted drug delivery strategies in different situations and ultimately, to a broader basket of more effective therapies for cancer patients.
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Affiliation(s)
- Michael A Firer
- Department of Chemical Engineering and Biotechnology, Ariel University Center, Ariel, Israel.
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Ashrafi SA, Hosseinimehr SJ, Varmira K, Abedi SM. Radioimmunotherapy with ¹³¹I-bevacizumab as a specific molecule for cells with overexpression of the vascular endothelial growth factor. Cancer Biother Radiopharm 2012; 27:420-5. [PMID: 22690909 DOI: 10.1089/cbr.2012.1224] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Bevacizumab is a humanized monoclonal antibody that inhibits vascular endothelial growth factor A and is used for the treatment of several cancers. We labeled this monoclonal antibody with Iodine-131 (¹³¹I) and performed in vitro quality control and tumor cell growth inhibition tests. Bevacizumab was labeled with ¹³¹I using chloramine T. Radiochemical purity and stability in phosphate-buffered saline and human blood serum were determined using thin-layer chromatography and radio-sodium dodecyl sulfate-polyacrylamide gel electrophoresis, respectively, performed at different times. Cell-specific binding, internalization, and toxicity of the radiolabeled antibody were tested using the SKOV-3 ovarian cancer cell line. The biodistribution of ¹³¹I-bevacizumab was investigated using male mice. The radiochemical purity of the complex was 99% ± 0.7%. Its stability in phosphate-buffered saline and human blood serum at 48 hours postpreparation was 78% ± 1.2% and 93% ± 0.6%, respectively. (131)I-bevacizumab was significantly bound to SKOV-3. The internalization of ¹³¹I-bevacizumab was time dependent, and it was cleared from the blood after 24 hours. Significant reductions in SKOV-3 cell viability were achieved with (131)I-bevacizumab at a concentration of 500 nM. A low accumulation of ¹³¹I-bevacizumab was observed in the stomach and salivary glands after 24 hours and 48 hours. These findings indicate that the new radiolabeled antibody should be further evaluated in animals and, possibly, in humans as a new radiopharmaceutical agent for use in radioimmunotherapy for ovarian cancer.
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Affiliation(s)
- Saeb Ahmad Ashrafi
- Department of Radiopharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
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Erba PA, Sollini M, Orciuolo E, Traino C, Petrini M, Paganelli G, Bombardieri E, Grana C, Giovannoni L, Neri D, Menssen HD, Mariani G. Radioimmunotherapy with Radretumab in Patients with Relapsed Hematologic Malignancies. J Nucl Med 2012; 53:922-7. [PMID: 22577235 DOI: 10.2967/jnumed.111.101006] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Paola A Erba
- Regional Center of Nuclear Medicine, University of Pisa Medical School, Pisa, Italy.
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Abstract
IMPORTANCE OF THE FIELD Follicular lymphoma (FL) is a subgroup of B-cell Non-Hodgkin's lymphomas (NHL) that account for 15 - 30% of all lymphomas. I-131 tositumomab is a radiommunoconjugate of (131)I and the anti-CD20 monoclonal antibody tositumomab. It is one of two available radioimmunoconjugates for the treatment of recurrent, refractory, or transformed FL. AREAS COVERED IN THIS REVIEW This review describes the clinical pharmacology of I-131 tositumomab, dosing and administration guidelines, and the key clinical trials providing evidence of its efficacy and safety in patients with FL, transformed, or other aggressive B-NHL, in combination with chemotherapy, or its incorporation in transplant conditioning regimens. This review also covers safety and regulatory concerns regarding the use of I-131 tositumomab. WHAT THE READER WILL GAIN This review critically appraises the clinical trials behind approval of I-131 tositumomab as a second-line agent for FL and also outlines the data supporting its use in the upfront setting. TAKE HOME MESSAGE I-131 tositumomab is a safe and effective option for patients with recurrent, refractory, or transformed FL and carries promise in the upfront treatment of FL, aggressive B-NHL, and as a transplant conditioning regimen.
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Affiliation(s)
- Basem M William
- Oncology/Hematology, University of Nebraska Medical Center, Omaha, NE 68198-7680. USA.
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