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Huff SE, Winter JM, Dealwis CG. Inhibitors of the Cancer Target Ribonucleotide Reductase, Past and Present. Biomolecules 2022; 12:biom12060815. [PMID: 35740940 PMCID: PMC9221315 DOI: 10.3390/biom12060815] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 01/02/2023] Open
Abstract
Ribonucleotide reductase (RR) is an essential multi-subunit enzyme found in all living organisms; it catalyzes the rate-limiting step in dNTP synthesis, namely, the conversion of ribonucleoside diphosphates to deoxyribonucleoside diphosphates. As expression levels of human RR (hRR) are high during cell replication, hRR has long been considered an attractive drug target for a range of proliferative diseases, including cancer. While there are many excellent reviews regarding the structure, function, and clinical importance of hRR, recent years have seen an increase in novel approaches to inhibiting hRR that merit an updated discussion of the existing inhibitors and strategies to target this enzyme. In this review, we discuss the mechanisms and clinical applications of classic nucleoside analog inhibitors of hRRM1 (large catalytic subunit), including gemcitabine and clofarabine, as well as inhibitors of the hRRM2 (free radical housing small subunit), including triapine and hydroxyurea. Additionally, we discuss novel approaches to targeting RR and the discovery of new classes of hRR inhibitors.
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Affiliation(s)
- Sarah E. Huff
- Department of Pediatrics, University of California, San Diego, CA 92093, USA;
| | - Jordan M. Winter
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, Akron, OH 44106, USA;
| | - Chris G. Dealwis
- Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Chemistry, Case Western Reserve University, Cleveland, OH 44106, USA
- Correspondence:
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The use of radiosensitizing agents in the therapy of glioblastoma multiforme-a comprehensive review. Strahlenther Onkol 2022; 198:507-526. [PMID: 35503461 PMCID: PMC9165247 DOI: 10.1007/s00066-022-01942-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/30/2022] [Indexed: 10/31/2022]
Abstract
BACKGROUND Glioblastoma is the most common malignant brain tumor in human adults. Despite several improvements in resective as well as adjuvant therapy over the last decades, its overall prognosis remains poor. As a means of improving patient outcome, the possibility of enhancing radiation response by using radiosensitizing agents has been tested in an array of studies. METHODS A comprehensive review of clinical trials involving radiation therapy in combination with radiosensitizing agents on patients diagnosed with glioblastoma was performed in the National Center for Biotechnology Information's PubMed database. RESULTS A total of 96 papers addressing this matter were published between 1976 and 2021, of which 63 matched the subject of this paper. All papers were reviewed, and their findings discussed in the context of their underlining mechanisms of radiosensitization. CONCLUSION In the history of glioblastoma treatment, several approaches of optimizing radiation-effectiveness using radiosensitizers have been made. Even though several different strategies and agents have been explored, clear evidence of improved patient outcome is still missing. Tissue-selectiveness and penetration of the blood-brain barrier seem to be major roadblocks; nevertheless, modern strategies try to circumvent these obstacles, using novel sensitizers based on preclinical data or alternative ways of delivery.
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Suman SK, Subramanian S, Mukherjee A. Combination radionuclide therapy: A new paradigm. Nucl Med Biol 2021; 98-99:40-58. [PMID: 34029984 DOI: 10.1016/j.nucmedbio.2021.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 04/23/2021] [Accepted: 05/06/2021] [Indexed: 12/15/2022]
Abstract
Targeted molecular radionuclide therapy (MRT) has shown its potential for the treatment of cancers of multiple origins. A combination therapy strategy employing two or more distinct therapeutic approaches in cancer management is aimed at circumventing tumor resistance by simultaneously targeting compensatory signaling pathways or bypassing survival selection mutations acquired in response to individual monotherapies. Combination radionuclide therapy (CRT) is a newer application of the concept, utilizing a combination of radiolabeled molecular targeting agents with chemotherapy and beam radiation therapy for enhanced therapeutic index. Encouraging results are reported with chemotherapeutic agents in combination with radiolabeled targeting molecules for cancer therapy. With increasing awareness of the various survival and stress response pathways activated after radionuclide therapy, different holistic combinations of MRT agents with radiosensitizers targeting such pathways have also been explored. MRT has also been studied in combination with beam radiotherapy modalities such as external beam radiation therapy and carbon ion radiation therapy to enhance the anti-tumor response. Nanotechnology aids in CRT by bringing together multiple monotherapies on a single nanostructure platform for treating cancers in a more precise or personalized way. CRT will be a key player in managing cancers if correctly tailored to the individual patient profile. The success of CRT lies in an in-depth understanding of the radiobiological principles and pathways activated in response.
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Affiliation(s)
- Shishu Kant Suman
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre; Homi Bhabha National Institute, Mumbai 400094, India
| | - Suresh Subramanian
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre; Homi Bhabha National Institute, Mumbai 400094, India
| | - Archana Mukherjee
- Radiopharmaceuticals Division, Bhabha Atomic Research Centre; Homi Bhabha National Institute, Mumbai 400094, India.
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Hall AJ, Robertson AG, Hill LR, Rendina LM. Synthesis and tumour cell uptake studies of gadolinium(III)-phosphonium complexes. Sci Rep 2021; 11:598. [PMID: 33436690 PMCID: PMC7804430 DOI: 10.1038/s41598-020-79893-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 12/14/2020] [Indexed: 11/09/2022] Open
Abstract
The synthesis of a new series of Gd(III)-arylphosphonium complexes is described and the solution stability of selected compounds is reported. Their lipophilicity and uptake in human glial (SVG p12) and human glioblastoma multiforme (T98G) cell lines are presented. The in vitro cytotoxicity of all complexes was determined to be low at therapeutically-relevant concentrations. Selected Gd(III) complexes are potential candidates for further investigation as theranostic agents.
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Affiliation(s)
- Andrew J Hall
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Amy G Robertson
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Leila R Hill
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Louis M Rendina
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia.
- The University of Sydney Nano Institute, Sydney, NSW, 2006, Australia.
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Eskian M, Khorasanizadeh M, Zinzani PL, Illidge TM, Rezaei N. Novel Methods to Improve the Efficiency of Radioimmunotherapy for Non-Hodgkin Lymphoma. Int Rev Immunol 2019; 38:79-91. [PMID: 30931651 DOI: 10.1080/08830185.2019.1588266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Radioimmunotherapy (RIT) is a novel strategy for treating non-Hodgkin lymphoma (NHL). Several studies have shown the promising results of using RIT in NHL, which have led to FDA approval for two RIT agents in treating low grade NHL. In spite of these favorable results in low-grade NHL, most of the aggressive or relapsed/refractory NHL subjects experience relapses following RIT. Although more aggressive treatments such as myeloablative doses of RIT followed by stem cell transplantation appear to be able to provide a longer survival for some patients these approaches are associated with significant treatment-related adverse events and challenging to deliver in most centers. Therefore, it seems reasonable to develop treatment approaches that enhance the efficiency of RIT, while reducing its toxicity. In this paper, novel methods that improve the efficiency of RIT and reduce its toxicity through various mechanisms are reviewed. Further clinical development of these methods could expand the NHL patient groups eligible for receiving RIT, and even extend the use of RIT to new indications and disease groups in future.
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Affiliation(s)
- Mahsa Eskian
- a Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences , Tehran , Iran.,b Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN) , Tehran , Iran
| | - MirHojjat Khorasanizadeh
- a Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences , Tehran , Iran.,b Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN) , Tehran , Iran
| | - Pier Luigi Zinzani
- c Institute of Hematology "L. e A. Seràgnoli", University of Bologna , Bologna , Italy
| | - Tim M Illidge
- d Manchester Academic Health Sciences Centre, University of Manchester, Christie NHS Foundation Trust , Manchester , UK
| | - Nima Rezaei
- a Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences , Tehran , Iran.,e Department of Immunology, School of Medicine , Tehran University of Medical Sciences , Tehran , Iran.,f Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN) , Tehran , Iran
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Mannargudi MB, Deb S. Clinical pharmacology and clinical trials of ribonucleotide reductase inhibitors: is it a viable cancer therapy? J Cancer Res Clin Oncol 2017. [PMID: 28624910 DOI: 10.1007/s00432-017-2457-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE Ribonucleotide reductase (RR) enzymes (RR1 and RR2) play an important role in the reduction of ribonucleotides to deoxyribonucleotides which is involved in DNA replication and repair. Augmented RR activity has been ascribed to uncontrolled cell growth and tumorigenic transformation. METHODS This review mainly focuses on several biological and chemical RR inhibitors (e.g., siRNA, GTI-2040, GTI-2501, triapine, gemcitabine, and clofarabine) that have been evaluated in clinical trials with promising anticancer activity from 1960's till 2016. A summary on whether their monotherapy or combination is still effective for further use is discussed. RESULTS Among the RR2 inhibitors evaluated, GTI-2040, siRNA, gallium nitrate and didox were more efficacious as a monotherapy, whereas triapine was found to be more efficacious as combination agent. Hydroxyurea is currently used more in combination therapy, even though it is efficacious as a monotherapy. Gallium nitrate showed mixed results in combination therapy, while the combination activity of didox is yet to be evaluated. RR1 inhibitors that have long been used in chemotherapy such as gemcitabine, cladribine, fludarabine and clofarabine are currently used mostly as a combination therapy, but are equally efficacious as a monotherapy, except tezacitabine which did not progress beyond phase I trials. CONCLUSIONS Based on the results of clinical trials, we conclude that RR inhibitors are viable treatment options, either as a monotherapy or as a combination in cancer chemotherapy. With the recent advances made in cancer biology, further development of RR inhibitors with improved efficacy and reduced toxicity is possible for treatment of variety of cancers.
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Affiliation(s)
- Mukundan Baskar Mannargudi
- Clinical Pharmacology Program, Medical Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, 20892, USA
| | - Subrata Deb
- Department of Biopharmaceutical Sciences, Roosevelt University College of Pharmacy, 1400 N. Roosevelt Blvd., Schaumburg, IL, 60173, USA.
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Eskian M, Khorasanizadeh M, Kraeber-Bodere F, Rezaei N. Radioimmunotherapy in non-Hodgkin lymphoma: Prediction and assessment of response. Crit Rev Oncol Hematol 2016; 107:182-189. [DOI: 10.1016/j.critrevonc.2016.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 08/24/2016] [Accepted: 10/12/2016] [Indexed: 12/20/2022] Open
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Smolewski P, Robak T. The preclinical discovery of rituximab for the treatment of non-Hodgkin’s lymphoma. Expert Opin Drug Discov 2015; 10:791-808. [DOI: 10.1517/17460441.2015.1045295] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Zaja F, Federico M, Vitolo U, Zinzani PL. Management of relapsed/refractory mantle cell lymphoma: a review of current therapeutic strategies. Leuk Lymphoma 2013; 55:988-98. [PMID: 23865835 DOI: 10.3109/10428194.2013.825903] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Abstract Despite recent advances in therapeutic strategies, a large proportion of patients with mantle cell lymphoma (MCL) experience progression after first-line treatment. Several attempts have been made to assess the role of different therapies for the treatment of patients with relapsed/refractory mantle cell lymphoma; however, a consensus on the optimal therapeutic strategy for each individual patient has not been reached. Overall, clinical evidence from phase II studies shows that high-dose cytarabine containing regimens, stem cell transplant and different biological agents all have promising activity with acceptable safety profiles. Therefore, these therapies can represent suitable treatment options for patients with relapsed/refractory MCL. Among different biological agents, at present only temsirolimus has been tested in a phase III study. This review considers available evidence on the management of relapsed/refractory MCL as discussed during a consensus meeting on the current treatment strategies for MCL.
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Affiliation(s)
- Francesco Zaja
- Clinica Ematologica, Centro Trapianti e Terapie Cellulari "Carlo Melzi", DISM, Azienda Ospedaliero Universitaria S. M. Misericordia , Udine , Italy
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Witzig TE, Wiseman GA, Maurer MJ, Habermann TM, Micallef IN, Nowakowski GS, Ansell SM, Colgan JP, Inwards DJ, Porrata LF, Link BK, Zent CS, Johnston PB, Shanafelt TD, Allmer C, Asmann YW, Gupta M, Ballas ZK, Smith BJ, Weiner GJ. A phase I trial of immunostimulatory CpG 7909 oligodeoxynucleotide and 90 yttrium ibritumomab tiuxetan radioimmunotherapy for relapsed B-cell non-Hodgkin lymphoma. Am J Hematol 2013; 88:589-93. [PMID: 23619698 DOI: 10.1002/ajh.23460] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 04/04/2013] [Accepted: 04/08/2013] [Indexed: 01/21/2023]
Abstract
Radioimmunotherapy (RIT) for relapsed indolent non-Hodgkin lymphoma produces overall response rates (ORR) of 80% with mostly partial remissions. Synthetic CpG oligonucleotides change the phenotype of malignant B-cells, are immunostimulatory, and can produce responses when injected intratumorally and combined with conventional radiation. In this phase I trial, we tested systemic administration of both CpG and RIT. Eligible patients had biopsy-proven previously treated CD20+ B-cell NHL and met criteria for RIT. Patients received rituximab 250 mg/m(2) days 1,8, and 15; (111) In-ibritumomab tiuxetan days 1, 8; CpG 7909 days 6, 13, 20, 27; and 0.4 mCi/kg of (90) Y-ibritumomab tiuxetan day 15. The doses of CpG 7909 tested were 0.08, 0.16, 0.32 (six patients each) and 0.48 mg/kg (12 patients) IV over 2 hr without dose limiting toxicity. The ORR was 93% (28/30) with 63% (19/30) complete remission (CR); median progression free survival of 42.7 months (95% CI 18-NR); and median duration of response (DR) of 35 months (4.6-76+). Correlative studies demonstrated a decrease in IL10 and TNFα, and an increase in IL1β, in response to therapy. CpG 7909 at a dose of 0.48 mg/kg is safe with standard RIT and produces a high CR rate and long DR; these results warrant confirmation.
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Affiliation(s)
- Thomas E. Witzig
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Gregory A. Wiseman
- Department of Radiology; Division of Nuclear Medicine; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Matthew J. Maurer
- Division of Biomedical Statistics & Informatics; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Thomas M. Habermann
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Ivana N.M. Micallef
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Grzegorz S. Nowakowski
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Stephen M. Ansell
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Joseph P. Colgan
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - David J. Inwards
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Luis F. Porrata
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Brian K. Link
- Department of Internal Medicine and the Holden Comprehensive Cancer Center; University of Iowa; Iowa City Iowa
| | - Clive S. Zent
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Patrick B. Johnston
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Tait D. Shanafelt
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Cristine Allmer
- Division of Biomedical Statistics & Informatics; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Yan W. Asmann
- Division of Biomedical Statistics & Informatics; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Mamta Gupta
- Department of Internal Medicine; Division of Hematology; Mayo Clinic College of Medicine and Mayo Foundation; Rochester Minnesota
| | - Zuhair K. Ballas
- Department of Internal Medicine and the Holden Comprehensive Cancer Center; University of Iowa; Iowa City Iowa
| | - Brian J. Smith
- Department of Internal Medicine and the Holden Comprehensive Cancer Center; University of Iowa; Iowa City Iowa
| | - George J. Weiner
- Department of Internal Medicine and the Holden Comprehensive Cancer Center; University of Iowa; Iowa City Iowa
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Thomas SR, Khuntia D. Motexafin gadolinium: a promising radiation sensitizer in brain metastasis. Expert Opin Drug Discov 2012; 6:195-203. [PMID: 22647136 DOI: 10.1517/17460441.2011.546395] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Motexafin gadolinium is a radiation sensitizer that is in the class of drugs known as texaphyrins. Though this drug is currently not FDA approved in the management of brain tumors, several prospective studies have been done showing promise with this agent, which this review highlights. AREAS COVERED This paper provides a clinical context by reviewing the background of radiosensitizers, followed by a review of the preclinical discovery of motexafin gadolinium and its clinical testing. We also highlight its most promising applications and comment on the reasons for the observed clinical outcomes. EXPERT OPINION Motexafin gadolinium is a novel radiosensitizer with clearly documented efficacy, particularly in patients with brain metastases. If this agent had been tested upfront in patients diagnosed with brain metastases from NSCLC who had not been delayed by the administration of systemic chemotherapy, it may have become part of the standard of care in this setting. Continued investigations using this agent are under way and remain promising.
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Ahmed S, Winter JN, Gordon LI, Evens AM. Radioimmunotherapy for the treatment of non-Hodgkin lymphoma: current status and future applications. Leuk Lymphoma 2010; 51:1163-77. [PMID: 20470217 DOI: 10.3109/10428191003793366] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Radioimmunotherapy (RIT) has proved to be a safe and effective treatment for patients with relapsed or refractory indolent non-Hodgkin lymphoma (NHL) including rituximab-refractory follicular lymphoma. Further, FDA approval was recently granted for use in newly diagnosed follicular lymphoma as consolidative therapy immediately following induction chemotherapy. We detail herein the scope of clinical studies performed in relapsed/refractory and newly diagnosed indolent lymphoma and summarize the associated safety data. In addition, we discuss new applications of RIT that have been investigated in a variety of clinical scenarios (e.g. single-agent and sequential therapy in aggressive NHLs and as a component of stem cell transplant conditioning). The wide array of RIT-based studies have yielded encouraging data, although randomized controlled trials will be needed to prove superiority over conventional therapy. Novel therapeutic RIT-based strategies that continue to be explored include radiation-enhancing agents combined with RIT, pre-targeting, RIT fractionation, as well as the integration of new humanized antibodies. The field of RIT continues to evolve scientifically and grow clinically. A reappraisal of prior data and examination of recently published and ongoing studies will be important in recognizing the potential benefit of RIT in the treatment of NHL.
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Affiliation(s)
- Sairah Ahmed
- Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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Correction: The Novel Expanded Porphyrin, Motexafin Gadolinium, Combined with [90Y]Ibritumomab Tiuxetan for Relapsed/Refractory Non-Hodgkin's Lymphoma: Preclinical Findings and Results of a Phase I Trial. Clin Cancer Res 2010. [DOI: 10.1158/1078-0432.ccr-09-2913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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