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Park HJ, Choi JY, Kim BK, Hong KT, Kim HY, Kim IH, Cheon GJ, Cheon JE, Park SH, Kang HJ. The Impact of 131I-Metaiodobenzylguanidine as a Conditioning Regimen of Tandem High-Dose Chemotherapy and Autologous Stem Cell Transplantation for High-Risk Neuroblastoma. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1936. [PMID: 38136138 PMCID: PMC10742322 DOI: 10.3390/children10121936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/12/2023] [Accepted: 12/16/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND The optimal conditioning regimen of tandem high-dose chemotherapy (HDC) and autologous stem cell transplantation (ASCT) for high-risk neuroblastoma (HR-NBL) has not been established. The efficacy of 131I-MIBG therapy is under exploration in newly diagnosed HR-NBL patients. Here, we compared the outcomes of tandem HDC/ASCT between the 131I-MIBG combination and non-MIBG groups. METHODS We retrospectively analyzed the clinical data of 33 HR-NBL patients who underwent tandem HDC/ASCT between 2007 and 2021 at the Seoul National University Children's Hospital. RESULTS The median age at diagnosis was 3.6 years. 131I-MIBG was administered to 13 (39.4%) of the patients. Thirty patients (90.9%) received maintenance therapy after tandem HDC/ASCT, twenty-two were treated with isotretinoin ± interleukin-2, and eight received salvage chemotherapy. The five-year overall survival (OS) and event-free survival (EFS) rates of all patients were 80.4% and 69.4%, respectively. Comparing the 131I-MIBG combined group and other groups, the five-year OS rates were 82.1% and 79.7% (p = 0.655), and the five-year EFS rates were 69.2% and 69.6% (p = 0.922), respectively. Among the adverse effects of grade 3 or 4, the incidence of liver enzyme elevation was significantly higher in the non-131I-MIBG group. CONCLUSIONS Although tandem HDC/ASCT showed promising outcomes, the 131I-MIBG combination did not improve survival rates.
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Affiliation(s)
- Hyun Jin Park
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Jung Yoon Choi
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Bo Kyung Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Kyung Taek Hong
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Il Han Kim
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Gi Jeong Cheon
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Jung-Eun Cheon
- Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea;
| | - Sung-Hye Park
- Department of Pathology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea;
| | - Hyoung Jin Kang
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
- Wide River Institute of Immunology, Hongcheon 25159, Republic of Korea
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Bruchelt G, Klose C, Lischka M, Brandes M, Handgretinger R, Brueckner R. Hybrid Molecules of Benzylguanidine and the Alkylating Group of Melphalan: Synthesis and Effects on Neuroblastoma Cells. J Clin Med 2023; 12:4469. [PMID: 37445504 DOI: 10.3390/jcm12134469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/15/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
The therapy of neuroblastoma relies, amongst other things, on administering chemotherapeutics and radioactive compounds, e.g., the (meta-iodobenzyl)guanidine [131I]mIBG. For special applications (conditioning before stem cell transplantation), busulfan and melphalan (M) proved to be effective. However, both drugs are not used for normal chemotherapy in neuroblastoma because of their side effects. The alkylating drug melphalan contains a (Cl-CH2-CH2-)2N- group in the para-position of the phenyl moiety of the essential amino acid phenylalanine (Phe) and can, therefore, be taken up by virtually all kinds of cells by amino acid transporters. In contrast, mIBG isotopologs are taken up more selectively by neuroblastoma cells via the noradrenaline transporter (NAT). The present study aimed at synthesising and studying hybrid molecules of benzylguanidine (BG) and the alkylating motif of M. Such hybrids should combine the preferential uptake of BGs into neuroblastoma cells with the cytotoxicity of M. Besides the hybrid of BG with the dialkylating group (Cl-CH2-CH2-)2N- bound in the para-position as in M (pMBG), we also synthesised mMBG, which is BG meta-substituted by a (Cl-CH2-CH2-)2N- group. Furthermore, two monoalkylating hybrid molecules were synthesised: the BG para-substituted by a (Cl-CH2-CH2-)NH- group (pM*BG) and the BG meta-substituted by a (Cl-CH2-CH2-)NH- group (mM*BG). The effects of the four new compounds were studied with human neuroblastoma cell lines (SK-N-SH, Kelly, and LS) with regard to uptake, viability, and proliferation by standard test systems. The dialkylating hybrid molecules pMBG and mMBG were at least as effective as M, whereas the monoalkylating hybrid molecules pM*BG and mM*BG were more effective than M. Considering the preferred uptake via the noradrenaline transporter by neuroblastoma cells, we conclude that they might be well suited for therapy.
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Affiliation(s)
- Gernot Bruchelt
- Children's University Hospital, Hoppe-Seyler-Str. 1, D-72076 Tuebingen, Germany
| | - Chihab Klose
- Children's University Hospital, Hoppe-Seyler-Str. 1, D-72076 Tuebingen, Germany
| | - Matthias Lischka
- Institute of Organic Chemistry, Albert-Ludwigs-University, Albertstr. 21, D-79104 Freiburg, Germany
| | - Marietta Brandes
- Children's University Hospital, Hoppe-Seyler-Str. 1, D-72076 Tuebingen, Germany
| | | | - Reinhard Brueckner
- Institute of Organic Chemistry, Albert-Ludwigs-University, Albertstr. 21, D-79104 Freiburg, Germany
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Desai P, Rimal R, Sahnoun SEM, Mottaghy FM, Möller M, Morgenroth A, Singh S. Radiolabeled Nanocarriers as Theranostics-Advancement from Peptides to Nanocarriers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200673. [PMID: 35527333 DOI: 10.1002/smll.202200673] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/15/2022] [Indexed: 06/14/2023]
Abstract
Endogenous targeted radiotherapy is emerging as an integral modality to treat a variety of cancer entities. Nevertheless, despite the positive clinical outcome of the treatment using radiolabeled peptides, small molecules, antibodies, and nanobodies, a high degree of hepatotoxicity and nephrotoxicity still persist. This limits the amount of dose that can be injected. In an attempt to mitigate these side effects, the use of nanocarriers such as nanoparticles (NPs), dendrimers, micelles, liposomes, and nanogels (NGs) is currently being explored. Nanocarriers can prolong circulation time and tumor retention, maximize radiation dosage, and offer multifunctionality for different targeting strategies. In this review, the authors first provide a summary of radiation therapy and imaging and discuss the new radiotracers that are used preclinically and clinically. They then highlight and identify the advantages of radio-nanomedicine and its potential in overcoming the limitations of endogenous radiotherapy. Finally, the review points to the ongoing efforts to maximize the use of radio-nanomedicine for efficient clinical translation.
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Affiliation(s)
- Prachi Desai
- DWI Leibniz Institute for Interactive Materials e.V, RWTH Aachen University, Forckenbeckstrasse 50, 52074, Aachen, Germany
| | - Rahul Rimal
- DWI Leibniz Institute for Interactive Materials e.V, RWTH Aachen University, Forckenbeckstrasse 50, 52074, Aachen, Germany
| | - Sabri E M Sahnoun
- Department of Nuclear Medicine, University hospital RWTH Aachen, Pauwelstraße 30, 52074, Aachen, Germany
| | - Felix M Mottaghy
- Department of Nuclear Medicine, University hospital RWTH Aachen, Pauwelstraße 30, 52074, Aachen, Germany
- Department of Radiology and Nuclear Medicine, School for Cardiovascular Diseases (CARIM) and School of oncology (GROW), Maastricht University, Maastricht, 6229 HX, The Netherlands
| | - Martin Möller
- DWI Leibniz Institute for Interactive Materials e.V, RWTH Aachen University, Forckenbeckstrasse 50, 52074, Aachen, Germany
| | - Agnieszka Morgenroth
- Department of Nuclear Medicine, University hospital RWTH Aachen, Pauwelstraße 30, 52074, Aachen, Germany
| | - Smriti Singh
- DWI Leibniz Institute for Interactive Materials e.V, RWTH Aachen University, Forckenbeckstrasse 50, 52074, Aachen, Germany
- Max-Planck-Institute for Medical Research (MPImF), Jahnstrasse 29, 69120, Heidelberg, Germany
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Blom T, Meinsma R, di Summa F, van den Akker E, van Kuilenburg ABP, Hansen M, Tytgat GAM. Thrombocytopenia after meta-iodobenzylguanidine (MIBG) therapy in neuroblastoma patients may be caused by selective MIBG uptake via the serotonin transporter located on megakaryocytes. EJNMMI Res 2021; 11:81. [PMID: 34424429 PMCID: PMC8382772 DOI: 10.1186/s13550-021-00823-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 08/11/2021] [Indexed: 11/10/2022] Open
Abstract
Background The therapeutic use of [131I]meta-iodobenzylguanidine ([131I]MIBG) is often accompanied by hematological toxicity, primarily consisting of severe and persistent thrombocytopenia. We hypothesize that this is caused by selective uptake of MIBG via the serotonin transporter (SERT) located on platelets and megakaryocytes. In this study, we have investigated whether in vitro cultured human megakaryocytes are capable of selective plasma membrane transport of MIBG and whether pharmacological intervention with selective serotonin reuptake inhibitors (SSRIs) may prevent this radiotoxic MIBG uptake. Methods Peripheral blood CD34+ cells were differentiated to human megakaryocytic cells using a standardized culture protocol. Prior to [3H]serotonin and [125I]MIBG uptake experiments, the differentiation status of megakaryocyte cultures was assessed by flow cytometry. Real-time quantitative polymerase chain reaction (RT-qPCR) was used to assess SERT and NET (norepinephrine transporter) mRNA expression. On day 10 of differentiation, [3H]serotonin and [125I]MIBG uptake assays were conducted. Part of the samples were co-incubated with the SSRI citalopram to assess SERT-specific uptake. HEK293 cells transfected with SERT, NET, and empty vector served as controls. Results In vitro cultured human megakaryocytes are capable of selective plasma membrane transport of MIBG. After 10 days of differentiation, megakaryocytic cell culture batches from three different hematopoietic stem and progenitor cell donors showed on average 9.2 ± 2.4 nmol of MIBG uptake per milligram protein per hour after incubation with 10–7 M MIBG (range: 6.6 ± 1.0 to 11.2 ± 1.0 nmol/mg/h). Co-incubation with the SSRI citalopram led to a significant reduction (30.1%—41.5%) in MIBG uptake, implying SERT-specific uptake of MIBG. A strong correlation between the number of mature megakaryocytes and SERT-specific MIBG uptake was observed. Conclusion Our study demonstrates that human megakaryocytes cultured in vitro are capable of MIBG uptake. Moreover, the SSRI citalopram selectively inhibits MIBG uptake via the serotonin transporter. The concomitant administration of citalopram to neuroblastoma patients during [131I]MIBG therapy might be a promising strategy to prevent the onset of thrombocytopenia. Supplementary Information The online version contains supplementary material available at 10.1186/s13550-021-00823-5.
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Affiliation(s)
- Thomas Blom
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands. .,Department of Clinical Chemistry, Cancer Center Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
| | - Rutger Meinsma
- Department of Clinical Chemistry, Cancer Center Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Franca di Summa
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Centers, University of Amsterdam, Plesmanlaan 125, 1066 CX, Amsterdam, The Netherlands
| | - Emile van den Akker
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Centers, University of Amsterdam, Plesmanlaan 125, 1066 CX, Amsterdam, The Netherlands
| | - André B P van Kuilenburg
- Department of Clinical Chemistry, Cancer Center Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Marten Hansen
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Centers, University of Amsterdam, Plesmanlaan 125, 1066 CX, Amsterdam, The Netherlands
| | - Godelieve A M Tytgat
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands
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Abstract
Radiopharmaceutical therapy (RPT) is emerging as a safe and effective targeted approach to treating many types of cancer. In RPT, radiation is systemically or locally delivered using pharmaceuticals that either bind preferentially to cancer cells or accumulate by physiological mechanisms. Almost all radionuclides used in RPT emit photons that can be imaged, enabling non-invasive visualization of the biodistribution of the therapeutic agent. Compared with almost all other systemic cancer treatment options, RPT has shown efficacy with minimal toxicity. With the recent FDA approval of several RPT agents, the remarkable potential of this treatment is now being recognized. This Review covers the fundamental properties, clinical development and associated challenges of RPT. Radiopharmaceutical therapy is emerging as a safe and effective approach for the treatment of cancer, offering several advantages over existing therapeutic strategies. Here, Sgouros and colleagues provide an overview of the fundamental properties of radiopharmaceutical therapy, discuss agents in use and in clinical development and highlight the associated translational challenges.
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Treatment of Neuroendocrine Tumours (Neuroblastoma Stage III or IV, Metastatic Pheochromocytoma, Etc.) with 131I-mIBG. Clin Nucl Med 2020. [DOI: 10.1007/978-3-030-39457-8_33] [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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Magnetic Resonance-guided High-intensity Focused Ultrasound (MRgHIFU) Virtual Treatment Planning for Abdominal Neuroblastoma Utilizing Retrospective Diagnostic 3D CT Images. J Pediatr Hematol Oncol 2019; 41:e443-e449. [PMID: 31449496 DOI: 10.1097/mph.0000000000001563] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Magnetic resonance-guided high-intensity focused ultrasound (MRgHIFU) is a novel treatment for neuroblastoma using ultrasound-induced thermal ablation with real-time MR thermometry. It is unclear which patients would be amenable to MRgHIFU given the retroperitoneal location of many neuroblastomas within the smaller pediatric abdomen. In addition, planning relies on MR scans, which are not routine in the standard pediatric neuroblastoma workup. This study sought to demonstrate that neuroblastomas are targetable with MRgHIFU and available computed tomographic imaging could be utilized for MRgHIFU virtual treatment. Cross-sectional images of 88 pediatric abdominal neuroblastoma patients were retrospectively processed with custom software to be made compatible with the Sonalleve MRgHIFU platform. Targetability measured percent treatment to lesion volume, within adequate safety margins from critical structures. All images were successfully converted into treatment planning files. Median lesion size was 191±195 cm and depth was 29±17 mm. Up to 78 (85%) patients had targetable lesions with a median targetable volume of 15% and ranging up to 79%. Targetability was highest in superficial, right upper quadrant lesions >200 cm, but limited by proximity to bowel and ribs. This study demonstrates the capacity for MRgHIFU to potentially treat the majority of abdominal neuroblastomas and the feasibility of using computed tomographic images for MRgHIFU virtual treatment planning.
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