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A Novel Single-Step-Labeled 212Pb-CaCO 3 Microparticle for Internal Alpha Therapy: Preparation, Stability, and Preclinical Data from Mice. MATERIALS 2021; 14:ma14237130. [PMID: 34885283 PMCID: PMC8658347 DOI: 10.3390/ma14237130] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/19/2021] [Accepted: 11/19/2021] [Indexed: 02/06/2023]
Abstract
Lead-212 is recognized as a promising radionuclide for targeted alpha therapy for tumors. Many studies of 212Pb-labeling of various biomolecules through bifunctional chelators have been conducted. Another approach to exploiting the cytotoxic effect is coupling the radionuclide to a microparticle acting as a carrier vehicle, which could be used for treating disseminated cancers in body cavities. Calcium carbonate may represent a suitable material, as it is biocompatible, biodegradable, and easy to synthesize. In this work, we explored 212Pb-labeling of various CaCO3 microparticles and developed a protocol that can be straightforwardly implemented by clinicians. Vaterite microparticles stabilized by pamidronate were effective as 212Pb carriers; labeling yields of ≥98% were achieved, and 212Pb was strongly retained by the particles in an in vitro stability assessment. Moreover, the amounts of 212Pb reaching the kidneys, liver, spleen, and skeleton of mice following intraperitoneal (i.p.) administration were very low compared to i.p. injection of unbound 212Pb2+, indicating that CaCO3-bound 212Pb exhibited stability when administered intraperitoneally. Therapeutic efficacy was observed in a model of i.p. ovarian cancer for all the tested doses, ranging from 63 to 430 kBq per mouse. Lead-212-labeled CaCO3 microparticles represent a promising candidate for treating intracavitary cancers.
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Trujillo-Nolasco M, Morales-Avila E, Cruz-Nova P, Katti KV, Ocampo-García B. Nanoradiopharmaceuticals Based on Alpha Emitters: Recent Developments for Medical Applications. Pharmaceutics 2021; 13:1123. [PMID: 34452084 PMCID: PMC8398190 DOI: 10.3390/pharmaceutics13081123] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/27/2021] [Accepted: 06/29/2021] [Indexed: 12/02/2022] Open
Abstract
The application of nanotechnology in nuclear medicine offers attractive therapeutic opportunities for the treatment of various diseases, including cancer. Indeed, nanoparticles-conjugated targeted alpha-particle therapy (TAT) would be ideal for localized cell killing due to high linear energy transfer and short ranges of alpha emitters. New approaches in radiolabeling are necessary because chemical radiolabeling techniques are rendered sub-optimal due to the presence of recoil energy generated by alpha decay, which causes chemical bonds to break. This review attempts to cover, in a concise fashion, various aspects of physics, radiobiology, and production of alpha emitters, as well as highlight the main problems they present, with possible new approaches to mitigate those problems. Special emphasis is placed on the strategies proposed for managing recoil energy. We will also provide an account of the recent studies in vitro and in vivo preclinical investigations of α-particle therapy delivered by various nanosystems from different materials, including inorganic nanoparticles, liposomes, and polymersomes, and some carbon-based systems are also summarized.
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Affiliation(s)
- Maydelid Trujillo-Nolasco
- Departamento de Materiales Radiactivos, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, Ocoyoacac 52750, Mexico; (M.T.-N.); (P.C.-N.)
- Facultad de Química, Universidad Autónoma del Estado de México, Paseo Tollocan S/N, Toluca 50120, Mexico;
| | - Enrique Morales-Avila
- Facultad de Química, Universidad Autónoma del Estado de México, Paseo Tollocan S/N, Toluca 50120, Mexico;
| | - Pedro Cruz-Nova
- Departamento de Materiales Radiactivos, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, Ocoyoacac 52750, Mexico; (M.T.-N.); (P.C.-N.)
| | - Kattesh V. Katti
- Department of Radiology, Institute of Green Nanotechnology, University of Missouri, Columbia, MO 65212, USA;
| | - Blanca Ocampo-García
- Departamento de Materiales Radiactivos, Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca S/N, Ocoyoacac 52750, Mexico; (M.T.-N.); (P.C.-N.)
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Eychenne R, Chérel M, Haddad F, Guérard F, Gestin JF. Overview of the Most Promising Radionuclides for Targeted Alpha Therapy: The "Hopeful Eight". Pharmaceutics 2021; 13:pharmaceutics13060906. [PMID: 34207408 PMCID: PMC8234975 DOI: 10.3390/pharmaceutics13060906] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/02/2021] [Accepted: 06/08/2021] [Indexed: 12/11/2022] Open
Abstract
Among all existing radionuclides, only a few are of interest for therapeutic applications and more specifically for targeted alpha therapy (TAT). From this selection, actinium-225, astatine-211, bismuth-212, bismuth-213, lead-212, radium-223, terbium-149 and thorium-227 are considered as the most suitable. Despite common general features, they all have their own physical characteristics that make them singular and so promising for TAT. These radionuclides were largely studied over the last two decades, leading to a better knowledge of their production process and chemical behavior, allowing for an increasing number of biological evaluations. The aim of this review is to summarize the main properties of these eight chosen radionuclides. An overview from their availability to the resulting clinical studies, by way of chemical design and preclinical studies is discussed.
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Affiliation(s)
- Romain Eychenne
- Groupement d’Intérêt Public ARRONAX, 1 Rue Aronnax, F-44817 Saint-Herblain, France;
- Université de Nantes, Inserm, CNRS, Centre de Recherche en Cancérologie et Immunologie Nantes—Angers (CRCINA)—UMR 1232, ERL 6001, F-44000 Nantes, France; (M.C.); (F.G.)
- Correspondence: (R.E.); (J.-F.G.)
| | - Michel Chérel
- Université de Nantes, Inserm, CNRS, Centre de Recherche en Cancérologie et Immunologie Nantes—Angers (CRCINA)—UMR 1232, ERL 6001, F-44000 Nantes, France; (M.C.); (F.G.)
| | - Férid Haddad
- Groupement d’Intérêt Public ARRONAX, 1 Rue Aronnax, F-44817 Saint-Herblain, France;
- Laboratoire Subatech, UMR 6457, Université de Nantes, IMT Atlantique, CNRS, Subatech, F-44000 Nantes, France
| | - François Guérard
- Université de Nantes, Inserm, CNRS, Centre de Recherche en Cancérologie et Immunologie Nantes—Angers (CRCINA)—UMR 1232, ERL 6001, F-44000 Nantes, France; (M.C.); (F.G.)
| | - Jean-François Gestin
- Université de Nantes, Inserm, CNRS, Centre de Recherche en Cancérologie et Immunologie Nantes—Angers (CRCINA)—UMR 1232, ERL 6001, F-44000 Nantes, France; (M.C.); (F.G.)
- Correspondence: (R.E.); (J.-F.G.)
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White JM, Escorcia FE, Viola NT. Perspectives on metals-based radioimmunotherapy (RIT): moving forward. Theranostics 2021; 11:6293-6314. [PMID: 33995659 PMCID: PMC8120204 DOI: 10.7150/thno.57177] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/22/2021] [Indexed: 12/18/2022] Open
Abstract
Radioimmunotherapy (RIT) is FDA-approved for the clinical management of liquid malignancies, however, its use for solid malignancies remains a challenge. The putative benefit of RIT lies in selective targeting of antigens expressed on the tumor surface using monoclonal antibodies, to systemically deliver cytotoxic radionuclides. The past several decades yielded dramatic improvements in the quality, quantity, recent commercial availability of alpha-, beta- and Auger Electron-emitting therapeutic radiometals. Investigators have created new or improved existing bifunctional chelators. These bifunctional chelators bind radiometals and can be coupled to antigen-specific antibodies. In this review, we discuss approaches to develop radiometal-based RITs, including the selection of radiometals, chelators and antibody platforms (i.e. full-length, F(ab')2, Fab, minibodies, diabodies, scFv-Fc and nanobodies). We cite examples of the performance of RIT in the clinic, describe challenges to its implementation, and offer insights to address gaps toward translation.
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MESH Headings
- Animals
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal/therapeutic use
- Antigens, Neoplasm/immunology
- Antineoplastic Agents, Immunological/administration & dosage
- Antineoplastic Agents, Immunological/metabolism
- Antineoplastic Agents, Immunological/therapeutic use
- Chelating Agents/administration & dosage
- Chelating Agents/metabolism
- Click Chemistry
- Clinical Trials as Topic
- Dose Fractionation, Radiation
- Drug Delivery Systems
- Forecasting
- Humans
- Immunoglobulin Fab Fragments/administration & dosage
- Immunoglobulin Fab Fragments/therapeutic use
- Lymphoma, Non-Hodgkin/radiotherapy
- Mice
- Molecular Targeted Therapy
- Neoplasm Proteins/antagonists & inhibitors
- Neoplasms, Experimental/diagnostic imaging
- Neoplasms, Experimental/radiotherapy
- Organ Specificity
- Precision Medicine
- Radiation Tolerance
- Radioimmunotherapy/methods
- Radiopharmaceuticals/administration & dosage
- Radiopharmaceuticals/therapeutic use
- Receptor Protein-Tyrosine Kinases/antagonists & inhibitors
- Single-Chain Antibodies/administration & dosage
- Single-Chain Antibodies/therapeutic use
- Single-Domain Antibodies/administration & dosage
- Single-Domain Antibodies/therapeutic use
- Yttrium Radioisotopes/administration & dosage
- Yttrium Radioisotopes/therapeutic use
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Affiliation(s)
- Jordan M. White
- Cancer Biology Graduate Program, Wayne State University School of Medicine, Detroit, MI 48201
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201
| | - Freddy E. Escorcia
- Molecular Imaging Branch, Radiation Oncology Branch, National Cancer Institute, Bethesda, MD 20814
| | - Nerissa T. Viola
- Department of Oncology, Karmanos Cancer Institute, Detroit, MI 48201
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Calibration of sodium iodide detectors and reentrant ionization chambers for 212Pb activity in different geometries by HPGe activity determined samples. Appl Radiat Isot 2020; 166:109362. [PMID: 32979756 DOI: 10.1016/j.apradiso.2020.109362] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/18/2020] [Accepted: 07/27/2020] [Indexed: 02/02/2023]
Abstract
Lead-212 is a promising radionuclide for cancer therapy, but no primary 212Pb activity standardization has been published. A need therefore exists for accurate estimation of injected doses of 212Pb activity in equilibrium with progeny, when it comes to preclinical and clinical trials. In this study, 212Pb activity was determined using a high purity germanium (HPGe) detector, which allowed the determination of geometry-specific calibration factors for commercially available reentrant ionization chambers (ICs) and sodium iodide (NaI) detectors.
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Bidram E, Esmaeili Y, Ranji-Burachaloo H, Al-Zaubai N, Zarrabi A, Stewart A, Dunstan DE. A concise review on cancer treatment methods and delivery systems. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101350] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Tafreshi NK, Doligalski ML, Tichacek CJ, Pandya DN, Budzevich MM, El-Haddad G, Khushalani NI, Moros EG, McLaughlin ML, Wadas TJ, Morse DL. Development of Targeted Alpha Particle Therapy for Solid Tumors. Molecules 2019; 24:molecules24234314. [PMID: 31779154 PMCID: PMC6930656 DOI: 10.3390/molecules24234314] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 12/11/2022] Open
Abstract
Targeted alpha-particle therapy (TAT) aims to selectively deliver radionuclides emitting α-particles (cytotoxic payload) to tumors by chelation to monoclonal antibodies, peptides or small molecules that recognize tumor-associated antigens or cell-surface receptors. Because of the high linear energy transfer (LET) and short range of alpha (α) particles in tissue, cancer cells can be significantly damaged while causing minimal toxicity to surrounding healthy cells. Recent clinical studies have demonstrated the remarkable efficacy of TAT in the treatment of metastatic, castration-resistant prostate cancer. In this comprehensive review, we discuss the current consensus regarding the properties of the α-particle-emitting radionuclides that are potentially relevant for use in the clinic; the TAT-mediated mechanisms responsible for cell death; the different classes of targeting moieties and radiometal chelators available for TAT development; current approaches to calculating radiation dosimetry for TATs; and lead optimization via medicinal chemistry to improve the TAT radiopharmaceutical properties. We have also summarized the use of TATs in pre-clinical and clinical studies to date.
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Affiliation(s)
- Narges K. Tafreshi
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (N.K.T.); (M.L.D.); (C.J.T.); (E.G.M.)
| | - Michael L. Doligalski
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (N.K.T.); (M.L.D.); (C.J.T.); (E.G.M.)
| | - Christopher J. Tichacek
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (N.K.T.); (M.L.D.); (C.J.T.); (E.G.M.)
| | - Darpan N. Pandya
- Department of Cancer Biology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA; (D.N.P.); (T.J.W.)
| | - Mikalai M. Budzevich
- Small Animal Imaging Laboratory, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Ghassan El-Haddad
- Depts. of Diagnostic Imaging and Interventional Radiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Nikhil I. Khushalani
- Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
| | - Eduardo G. Moros
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (N.K.T.); (M.L.D.); (C.J.T.); (E.G.M.)
- Department of Radiation Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA
- Department of Physics, University of South Florida, Tampa, FL 33612, USA
- Department of Oncologic Sciences, University of South Florida, Tampa, FL 33612, USA
| | - Mark L. McLaughlin
- Department of Pharmaceutical Sciences, West Virginia University, Health Sciences Center, Morgantown, WV & Modulation Therapeutics Inc., 64 Medical Center Drive, Morgantown, WV 26506, USA;
| | - Thaddeus J. Wadas
- Department of Cancer Biology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA; (D.N.P.); (T.J.W.)
| | - David L. Morse
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA; (N.K.T.); (M.L.D.); (C.J.T.); (E.G.M.)
- Department of Physics, University of South Florida, Tampa, FL 33612, USA
- Small Animal Imaging Laboratory, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA;
- Department of Oncologic Sciences, University of South Florida, Tampa, FL 33612, USA
- Correspondence: ; Tel.: +1-813-745-8948; Fax: +1-813-745-8375
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Ferrier MG, Radchenko V. An Appendix of Radionuclides Used in Targeted Alpha Therapy. J Med Imaging Radiat Sci 2019; 50:S58-S65. [PMID: 31427258 DOI: 10.1016/j.jmir.2019.06.051] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 06/17/2019] [Accepted: 06/18/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Maryline G Ferrier
- Lawrence Livermore National Laboratory, Nuclear and Chemical Sciences Division, Livermore, California, USA.
| | - Valery Radchenko
- Life Sciences Division, TRIUMF, Vancouver, British Columbia, Canada; Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada
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Ferrier MG, Radchenko V, Wilbur DS. Radiochemical aspects of alpha emitting radionuclides for medical application. RADIOCHIM ACTA 2019. [DOI: 10.1515/ract-2019-0005] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Abstract
The use of α-emitting radionuclides in targeted alpha therapy (TAT) holds great potential for treatment of human diseases, such as cancer, due to the short pathlength and high potency of the α particle, which can localize damage to targeted cells while minimizing effects to healthy surrounding tissues. In this review several potential α-emitting radionuclides having emission properties applicable to TAT are discussed from a radiochemical point of view. Overviews of production, radiochemical separation and chelation aspects relative to developing TAT radiopharmaceuticals are provided for the α-emitting radionuclides (and their generator systems) 211At, 224Ra/212Pb/212Bi, 225Ac/213Bi, 227Th/223Ra, 230U/226Th, 149Tb and 255Fm.
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Affiliation(s)
- Maryline G. Ferrier
- Department of Radiation Oncology, Radiochemistry Division , University of Washington , Seattle, WA , USA
| | - Valery Radchenko
- Life Sciences Division, TRIUMF , Vancouver, BC , Canada
- Department of Chemistry , University of British Columbia , Vancouver, BC , Canada
| | - D. Scott Wilbur
- Department of Radiation Oncology, Radiochemistry Division , University of Washington , Seattle, WA , USA
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