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Franchi S, Di Marco V, Tosato M. Bismuth chelation for targeted alpha therapy: Current state of the art. Nucl Med Biol 2022; 114-115:168-188. [PMID: 35753940 DOI: 10.1016/j.nucmedbio.2022.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 05/22/2022] [Accepted: 06/14/2022] [Indexed: 12/27/2022]
Abstract
Current interest in the α-emitting bismuth radionuclides, bismuth-212 (212Bi) and bismuth-213 (213Bi), stems from their great potential for targeted alpha therapy (TAT), an expanding and promising approach for the treatment of micrometastatic disease and the eradication of single malignant cells. To selectively deliver their emission to the cancer cells, these radiometals must be firmly coordinated by a bifunctional chelator (BFC) attached to a tumour-seeking vector. This review provides a comprehensive overview of the current state-of-the-art chelating agents for bismuth radioisotopes. Several aspects are reported, from their 'cold' chelation chemistry (thermodynamic, kinetic, and structural properties) and radiolabelling investigations to the preclinical and clinical studies performed with a variety of bioconjugates. The aim of this review is to provide both a guide for the rational design of novel optimal platforms for the chelation of these attractive α-emitters and emphasize the prospects of the most encouraging chelating agents proposed so far.
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Affiliation(s)
- Sara Franchi
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy
| | - Valerio Di Marco
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy
| | - Marianna Tosato
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy.
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2
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Egorova BV, Zamurueva LS, Zubenko AD, Pashanova AV, Mitrofanov AA, Priselkova AB, Fedorov YV, Trigub AL, Fedorova OA, Kalmykov SN. Novel Hybrid Benzoazacrown Ligand as a Chelator for Copper and Lead Cations: What Difference Does Pyridine Make. Molecules 2022; 27:3115. [PMID: 35630592 PMCID: PMC9143346 DOI: 10.3390/molecules27103115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/06/2022] [Indexed: 12/02/2022] Open
Abstract
A synthetic procedure for the synthesis of azacrown ethers with a combination of pendant arms has been developed and the synthesized ligand, characterized by various techniques, was studied. The prepared benzoazacrown ether with hybrid pendant arms and its complexes with copper and lead cations were studied in terms of biomedical applications. Similarly to a fully acetate analog, the new one binds both cations with close stability constants, despite the decrease in both constants. The calculated geometry of the complexes correlate with the data from X-ray absorption and NMR spectroscopy. Coordination of both cations differs due to the difference between the ionic radii. However, these chelation modes provide effective shielding of cations in both cases, that was shown by the stability of their complexes in the biologically relevant media towards transchelation and transmetallation.
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Affiliation(s)
- Bayirta V. Egorova
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia; (L.S.Z.); (A.A.M.); (S.N.K.)
| | - Lyubov S. Zamurueva
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia; (L.S.Z.); (A.A.M.); (S.N.K.)
| | - Anastasia D. Zubenko
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova, 28, GSP-1, 119991 Moscow, Russia; (A.D.Z.); (A.V.P.); (Y.V.F.)
| | - Anna V. Pashanova
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova, 28, GSP-1, 119991 Moscow, Russia; (A.D.Z.); (A.V.P.); (Y.V.F.)
- Higher Chemical College, Mendeleev University of Chemistry and Technology of Russia, Miusskaya Sqr., 9, 125047 Moscow, Russia
| | - Artem A. Mitrofanov
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia; (L.S.Z.); (A.A.M.); (S.N.K.)
| | - Anna B. Priselkova
- Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia;
| | - Yuri V. Fedorov
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova, 28, GSP-1, 119991 Moscow, Russia; (A.D.Z.); (A.V.P.); (Y.V.F.)
| | - Alexander L. Trigub
- National Research Center “Kurchatov Institute”, Akademika Kurchatova Sqr., 1, 123098 Moscow, Russia;
| | - Olga A. Fedorova
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova, 28, GSP-1, 119991 Moscow, Russia; (A.D.Z.); (A.V.P.); (Y.V.F.)
| | - Stepan N. Kalmykov
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia; (L.S.Z.); (A.A.M.); (S.N.K.)
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Egorova BV, Kalmykova TP, Zubenko AD, Shchukina AA, Karnoukhova VA, Likhosherstova DV, Priselkova AB, Fedorov YV, Fedorova OA, Kalmykov SN. Comparative Study of Macrocyclic and Acyclic Picolinate Derivatives for Chelation of Copper Cations. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Bayirta V. Egorova
- Lomonosov Moscow state university 119991 Leninskie Gory, 1/3 Moscow Russian Federation
| | - Taisia P. Kalmykova
- Lomonosov Moscow state university 119991 Leninskie Gory, 1/3 Moscow Russian Federation
| | - Anastasia D. Zubenko
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences 119991 Vavilova, 28, GSP-1 Moscow Russian Federation
| | - Anna A. Shchukina
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences 119991 Vavilova, 28, GSP-1 Moscow Russian Federation
| | - Valentina A. Karnoukhova
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences 119991 Vavilova, 28, GSP-1 Moscow Russian Federation
| | | | - Anna B. Priselkova
- Lomonosov Moscow state university 119991 Leninskie Gory, 1/3 Moscow Russian Federation
| | - Yuri V. Fedorov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences 119991 Vavilova, 28, GSP-1 Moscow Russian Federation
| | - Olga A. Fedorova
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences 119991 Vavilova, 28, GSP-1 Moscow Russian Federation
- D. Mendeleev University of Chemical Technology of Russia 125047 Miusskaya sqr. 9 Moscow Russian Federation
| | - Stepan N. Kalmykov
- Lomonosov Moscow state university 119991 Leninskie Gory, 1/3 Moscow Russian Federation
- Frumkin Institute of Physical chemistry and Electrochemistry Russian academy of sciences (IPCE RAS) 119071 Leninsky prospect, 31, bld.4 Moscow Russian Federation
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A Radionuclide Generator of High-Purity Bi-213 for Instant Labeling. Pharmaceutics 2021; 13:pharmaceutics13060914. [PMID: 34205580 PMCID: PMC8234463 DOI: 10.3390/pharmaceutics13060914] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/12/2021] [Accepted: 06/17/2021] [Indexed: 11/17/2022] Open
Abstract
A new two-column 225Ac/213Bi generator was developed specifically for using 225Ac containing an impurity of long lived 227Ac. The parent 225Ac was retained on the first Actinide Resin column, while 213Bi was accumulated on the second column filled with AG MP-50 resin via continuous elution and decay of intermediate 221Fr. The 213Bi accumulation was realized in circulation mode which allowed a compact generator design. It was demonstrated that 213Bi could be quickly and effectively extracted from AG MP-50 in form of complexes with various chelating agents including DTPA and DOTA. The performance of the generator presented and a conventional single-column generator on the base of AG MP-50 was tested and both generators were loaded with 225Ac containing 227Ac impurity. The 213Bi generation efficiencies were comparable and greater than 70%, whereas the developed generator provided a deeper degree of purification of 213Bi from Ac isotopes and decay products of 227Ac.
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Fiszbein DJ, Brown V, Thiele NA, Woods JJ, Wharton L, MacMillan SN, Radchenko V, Ramogida CF, Wilson JJ. Tuning the Kinetic Inertness of Bi 3+ Complexes: The Impact of Donor Atoms on Diaza-18-Crown-6 Ligands as Chelators for 213Bi Targeted Alpha Therapy. Inorg Chem 2021; 60:9199-9211. [PMID: 34102841 DOI: 10.1021/acs.inorgchem.1c01269] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The radionuclide 213Bi can be applied for targeted α therapy (TAT): a type of nuclear medicine that harnesses α particles to eradicate cancer cells. To use this radionuclide for this application, a bifunctional chelator (BFC) is needed to attach it to a biological targeting vector that can deliver it selectively to cancer cells. Here, we investigated six macrocyclic ligands as potential BFCs, fully characterizing the Bi3+ complexes by NMR spectroscopy, mass spectrometry, and elemental analysis. Solid-state structures of three complexes revealed distorted coordination geometries about the Bi3+ center arising from the stereochemically active 6s2 lone pair. The kinetic properties of the Bi3+ complexes were assessed by challenging them with a 1000-fold excess of the chelating agent diethylenetriaminepentaacetic acid (DTPA). The most kinetically inert complexes contained the most basic pendent donors. Density functional theory (DFT) and quantum theory of atoms in molecules (QTAIM) calculations were employed to investigate this trend, suggesting that the kinetic inertness is not correlated with the extent of the 6s2 lone pair stereochemical activity, but with the extent of covalency between pendent donors. Lastly, radiolabeling studies of 213Bi (30-210 kBq) with three of the most promising ligands showed rapid formation of the radiolabeled complexes at room temperature within 8 min for ligand concentrations as low as 10-7 M, corresponding to radiochemical yields of >80%, thereby demonstrating the promise of this ligand class for use in 213Bi TAT.
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Affiliation(s)
- David J Fiszbein
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Victoria Brown
- Department of Chemistry, Simon Fraser University, 8888 University Dr, Burnaby, BC V5A 1S6 Canada
| | - Nikki A Thiele
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Joshua J Woods
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States.,Robert F. Smith School for Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Luke Wharton
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3 Canada.,Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Samantha N MacMillan
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Valery Radchenko
- Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3 Canada.,Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Caterina F Ramogida
- Department of Chemistry, Simon Fraser University, 8888 University Dr, Burnaby, BC V5A 1S6 Canada.,Life Sciences Division, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3 Canada
| | - Justin J Wilson
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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Ahenkorah S, Cassells I, Deroose CM, Cardinaels T, Burgoyne AR, Bormans G, Ooms M, Cleeren F. Bismuth-213 for Targeted Radionuclide Therapy: From Atom to Bedside. Pharmaceutics 2021; 13:599. [PMID: 33919391 PMCID: PMC8143329 DOI: 10.3390/pharmaceutics13050599] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 04/14/2021] [Accepted: 04/17/2021] [Indexed: 12/17/2022] Open
Abstract
In contrast to external high energy photon or proton therapy, targeted radionuclide therapy (TRNT) is a systemic cancer treatment allowing targeted irradiation of a primary tumor and all its metastases, resulting in less collateral damage to normal tissues. The α-emitting radionuclide bismuth-213 (213Bi) has interesting properties and can be considered as a magic bullet for TRNT. The benefits and drawbacks of targeted alpha therapy with 213Bi are discussed in this review, covering the entire chain from radionuclide production to bedside. First, the radionuclide properties and production of 225Ac and its daughter 213Bi are discussed, followed by the fundamental chemical properties of bismuth. Next, an overview of available acyclic and macrocyclic bifunctional chelators for bismuth and general considerations for designing a 213Bi-radiopharmaceutical are provided. Finally, we provide an overview of preclinical and clinical studies involving 213Bi-radiopharmaceuticals, as well as the future perspectives of this promising cancer treatment option.
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Affiliation(s)
- Stephen Ahenkorah
- Institute for Nuclear Materials Science, Belgian Nuclear Research Center (SCK CEN), 2400 Mol, Belgium; (S.A.); (I.C.); (T.C.); (A.R.B.)
- Radiopharmaceutical Research, Department of Pharmacy and Pharmacology, University of Leuven, 3000 Leuven, Belgium;
| | - Irwin Cassells
- Institute for Nuclear Materials Science, Belgian Nuclear Research Center (SCK CEN), 2400 Mol, Belgium; (S.A.); (I.C.); (T.C.); (A.R.B.)
- Radiopharmaceutical Research, Department of Pharmacy and Pharmacology, University of Leuven, 3000 Leuven, Belgium;
| | - Christophe M. Deroose
- Nuclear Medicine Unit, University Hospitals Leuven, 3000 Leuven, Belgium;
- Nuclear Medicine and Molecular Imaging, Department of Imaging and Pathology, University of Leuven, 3000 Leuven, Belgium
| | - Thomas Cardinaels
- Institute for Nuclear Materials Science, Belgian Nuclear Research Center (SCK CEN), 2400 Mol, Belgium; (S.A.); (I.C.); (T.C.); (A.R.B.)
- Department of Chemistry, University of Leuven, 3001 Leuven, Belgium
| | - Andrew R. Burgoyne
- Institute for Nuclear Materials Science, Belgian Nuclear Research Center (SCK CEN), 2400 Mol, Belgium; (S.A.); (I.C.); (T.C.); (A.R.B.)
| | - Guy Bormans
- Radiopharmaceutical Research, Department of Pharmacy and Pharmacology, University of Leuven, 3000 Leuven, Belgium;
| | - Maarten Ooms
- Institute for Nuclear Materials Science, Belgian Nuclear Research Center (SCK CEN), 2400 Mol, Belgium; (S.A.); (I.C.); (T.C.); (A.R.B.)
| | - Frederik Cleeren
- Radiopharmaceutical Research, Department of Pharmacy and Pharmacology, University of Leuven, 3000 Leuven, Belgium;
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Vasiliev AN, Zobnin VA, Pavlov YS, Chudakov VM. Radiation Stability of Sorbents in Medical 225Ac/213Bi Generators. SOLVENT EXTRACTION AND ION EXCHANGE 2020. [DOI: 10.1080/07366299.2020.1846892] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- A. N. Vasiliev
- Laboratory of Radioisotope Complex, Institute for Nuclear Research of Russian Academy of Sciences, Moscow, Russia
- Department of Chemistry, Laboratory of Radiopharmaceutical Chemistry, Lomonosov Moscow State University, Moscow, Russia
| | - V. A. Zobnin
- Laboratory of Radioisotope Complex, Institute for Nuclear Research of Russian Academy of Sciences, Moscow, Russia
- Department of Chemistry, Laboratory of Radiopharmaceutical Chemistry, Lomonosov Moscow State University, Moscow, Russia
| | - Yu. S. Pavlov
- Laboratory of Radiation Technologies, Frumkin Institute of Physical Chemistry and Electrochemistry of Russian Academy of Sciences, Moscow, Russia
| | - V. M. Chudakov
- Laboratory of Radioisotope Complex, Institute for Nuclear Research of Russian Academy of Sciences, Moscow, Russia
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