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Ginsburg E, Hennessy K, Mhaskar R, Seminario-Vidal L. Treatment of early-stage mycosis fungoides with oral bexarotene and phototherapy. A systematic review and meta-analysis. Dermatol Ther 2022; 35:e15418. [PMID: 35243730 DOI: 10.1111/dth.15418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 01/10/2022] [Accepted: 02/24/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Mycosis fungoides (MF) is a rare subtype of non-Hodgkin lymphoma, for which no standard treatment exists. OBJECTIVES To provide evidence-based recommendations for adult patients with early-stage MF treated with oral bexarotene and phototherapy. METHODS A systematic review and meta-analysis was conducted utilizing studies identified via Embase, Pubmed, Web of Science, and the Cochrane Library from inception to April 2020 to evaluate the clinical efficacy and adverse events of oral bexarotene and phototherapy. RESULTS Of 645 abstracts retrieved, 17 full-text articles with 143 subjects were included for analysis. There were nine case reports, five retrospective cohort studies, two prospective cohort studies, and one randomized controlled trial. Most subjects were men (24.48%) with stage IB disease (54.4%), and the mean age at presentation was 63. One patient had folliculotropic disease. The retrospective studies' analysis included 67 subjects and indicated that the partial response was 40.36% (95% CI 18.24 to 64.92), complete response was 34.06% (95% CI 10.73 to 62.56), and overall response was 64.48% (95% CI 48.56 to 78.89). Side effects from bexarotene were hypertriglyceridemia (54%), hypothyroidism (50%), and hypercholesterolemia (46%). Similar results were noted in the prospective studies. CONCLUSIONS The literature consists mostly of uncontrolled studies which suggest that combination therapy with oral bexarotene and phototherapy is a therapeutic option. Future randomized control studies with longer follow-up and standardized definitions of treatment responses and dosages are needed to support the development of evidence-based approaches for the treatment of early-stage MF. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | - Kerry Hennessy
- Department of Dermatology and Cutaneous Surgery, University of South Florida (USF), Tampa, Florida
| | - Rahul Mhaskar
- Departments of Internal Medicine, University of South Florida (USF), Tampa, Florida
| | - Lucia Seminario-Vidal
- Department of Dermatology and Cutaneous Surgery, University of South Florida (USF), Tampa, Florida.,Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center, Tampa, Florida
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Shen D, Yu X, Wu Y, Chen Y, Li G, Cheng F, Xia L. Emerging roles of bexarotene in the prevention, treatment and anti-drug resistance of cancers. Expert Rev Anticancer Ther 2018. [PMID: 29521139 DOI: 10.1080/14737140.2018.1449648] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Danyang Shen
- Department of Urology and Chawnshang Chang Liver Cancer Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaoming Yu
- Department of Urology and Chawnshang Chang Liver Cancer Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yan Wu
- Department of Pharmacy, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yuanlei Chen
- Department of Urology and Chawnshang Chang Liver Cancer Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Gonghui Li
- Department of Urology and Chawnshang Chang Liver Cancer Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Feng Cheng
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Liqun Xia
- Department of Urology and Chawnshang Chang Liver Cancer Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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McMurran CE, Kodali S, Young A, Franklin RJ. Clinical implications of myelin regeneration in the central nervous system. Expert Rev Neurother 2018; 18:111-123. [PMID: 29285954 DOI: 10.1080/14737175.2018.1421458] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
INTRODUCTION Amongst strategies to repair the brain, myelin repair offers genuine cause for optimism. Myelin, which sheaths most axons in the central nervous system (CNS), is vital for normal neurological function, as demonstrated by the functional deficits that accrue when it is absent in a range of debilitating myelin diseases. Following demyelination, post-mortem and imaging studies have shown that extensive regeneration of myelin is possible in the human brain. Over recent decades preclinical research has given us a strong understanding of the biology of myelin regeneration, opening up several exciting therapeutic opportunities that are on the cusp of clinical translation. Areas covered: This review discusses diseases that compromise the function of myelin, the endogenous capacity of the CNS to regenerate myelin, and why this sometimes fails. We then outline the extensive progress that has been made towards therapies that promote the regeneration of myelin. Expert commentary: Finally, a commentary on the first examples of these therapies to reach human patients and the evidence base that supports them, giving our opinion on where attention should be focused going forward is provided.
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Affiliation(s)
- Christopher E McMurran
- a Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute , University of Cambridge , Cambridge , UK
| | - Srikirti Kodali
- a Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute , University of Cambridge , Cambridge , UK
| | - Adam Young
- a Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute , University of Cambridge , Cambridge , UK
| | - Robin Jm Franklin
- a Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute , University of Cambridge , Cambridge , UK
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Dulamea AO. The contribution of oligodendrocytes and oligodendrocyte progenitor cells to central nervous system repair in multiple sclerosis: perspectives for remyelination therapeutic strategies. Neural Regen Res 2017; 12:1939-1944. [PMID: 29323026 PMCID: PMC5784335 DOI: 10.4103/1673-5374.221146] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Oligodencrocytes (OLs) are the main glial cells of the central nervous system involved in myelination of axons. In multiple sclerosis (MS), there is an imbalance between demyelination and remyelination processes, the last one performed by oligodendrocyte progenitor cells (OPCs) and OLs, resulting into a permanent demyelination, axonal damage and neuronal loss. In MS lesions, astrocytes and microglias play an important part in permeabilization of blood-brain barrier and initiation of OPCs proliferation. Migration and differentiation of OPCs are influenced by various factors and the process is finalized by insufficient acummulation of OLs into the MS lesion. In relation to all these processes, the author will discuss the potential targets for remyelination strategies.
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Affiliation(s)
- Adriana Octaviana Dulamea
- Department of Neurology, Fundeni Clinical Institute, University of Medicine and Pharmacy "Carol Davila", Bucharest, Romania
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Dulamea AO. Role of Oligodendrocyte Dysfunction in Demyelination, Remyelination and Neurodegeneration in Multiple Sclerosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 958:91-127. [PMID: 28093710 DOI: 10.1007/978-3-319-47861-6_7] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Oligodendrocytes (OLs) are the myelinating cells of the central nervous system (CNS) during development and throughout adulthood. They result from a complex and well controlled process of activation, proliferation, migration and differentiation of oligodendrocyte progenitor cells (OPCs) from the germinative niches of the CNS. In multiple sclerosis (MS), the complex pathological process produces dysfunction and apoptosis of OLs leading to demyelination and neurodegeneration. This review attempts to describe the patterns of demyelination in MS, the steps involved in oligodendrogenesis and myelination in healthy CNS, the different pathways leading to OLs and myelin loss in MS, as well as principles involved in restoration of myelin sheaths. Environmental factors and their impact on OLs and pathological mechanisms of MS are also discussed. Finally, we will present evidence about the potential therapeutic targets in re-myelination processes that can be accessed in order to develop regenerative therapies for MS.
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Affiliation(s)
- Adriana Octaviana Dulamea
- Neurology Clinic, University of Medicine and Pharmacy "Carol Davila", Fundeni Clinical Institute, Building A, Neurology Clinic, Room 201, 022328, Bucharest, Romania.
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Chamberlain KA, Nanescu SE, Psachoulia K, Huang JK. Oligodendrocyte regeneration: Its significance in myelin replacement and neuroprotection in multiple sclerosis. Neuropharmacology 2016; 110:633-643. [PMID: 26474658 PMCID: PMC4841742 DOI: 10.1016/j.neuropharm.2015.10.010] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 09/22/2015] [Accepted: 10/05/2015] [Indexed: 12/12/2022]
Abstract
Oligodendrocytes readily regenerate and replace myelin membranes around axons in the adult mammalian central nervous system (CNS) following injury. The ability to regenerate oligodendrocytes depends on the availability of neural progenitors called oligodendrocyte precursor cells (OPCs) in the adult CNS that respond to injury-associated signals to induce OPC expansion followed by oligodendrocyte differentiation, axonal contact and myelin regeneration (remyelination). Remyelination ensures the maintenance of axonal conduction, and the oligodendrocytes themselves provide metabolic factors that are necessary to maintain neuronal integrity. Recent advances in oligodendrocyte regeneration research are beginning to shed light on critical intrinsic signals, as well as extrinsic, environmental factors that regulate the distinct steps of oligodendrocyte lineage progression and myelin replacement under CNS injury. These studies may offer novel pharmacological targets for regenerative medicine in inflammatory demyelinating disorders in the CNS such as multiple sclerosis. This article is part of the Special Issue entitled 'Oligodendrocytes in Health and Disease'.
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Affiliation(s)
- Kelly A Chamberlain
- Department of Biology, Georgetown University, Washington, D.C., USA; Interdisciplinary Program in Neuroscience, Georgetown University, Washington, D.C., USA
| | - Sonia E Nanescu
- Department of Biology, Georgetown University, Washington, D.C., USA
| | | | - Jeffrey K Huang
- Department of Biology, Georgetown University, Washington, D.C., USA; Interdisciplinary Program in Neuroscience, Georgetown University, Washington, D.C., USA.
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Luessi F, Kuhlmann T, Zipp F. Remyelinating strategies in multiple sclerosis. Expert Rev Neurother 2014; 14:1315-34. [DOI: 10.1586/14737175.2014.969241] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Huang JK, Jarjour AA, ffrench-Constant C, Franklin RJM. Retinoid X receptors as a potential avenue for regenerative medicine in multiple sclerosis. Expert Rev Neurother 2014; 11:467-8. [DOI: 10.1586/ern.11.34] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Pileri A, Delfino C, Grandi V, Pimpinelli N. Role of bexarotene in the treatment of cutaneous T-cell lymphoma: the clinical and immunological sides. Immunotherapy 2013; 5:427-33. [PMID: 23557425 DOI: 10.2217/imt.13.15] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cutaneous T-cell lymphomas (CTCLs) are a heterogeneous group of lymphoid neoplasms. The incidence of CTCLs has risen over the last three decades. The most common CTCLs are mycosis fungoides and Sèzary syndrome. Therapies for CTCLs are various and range from skin-directed therapy to chemotherapy. Retinoids have been used in CTCL treatment since the 1980s with good results. Bexarotene is the first retinoid approved by the US FDA for CTCL therapy. Since then, numerous experiences of both its efficacy and mechanism of action have been reported. The aim of this paper is to review bexarotene action on CTCLs, as well as to highlight its immunological targets.
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Affiliation(s)
- Alessandro Pileri
- Dermatology, Department of Specialised, Experimental & Diagnostic Medicine, University of Bologna, Italy.
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Abstract
Multiple sclerosis (MS) is an inflammatory demyelinating disease that is considered by many people to have an autoimmune aetiology. In recent years, new data emerging from histopathology, imaging and other studies have expanded our understanding of the disease and may change the way in which it is treated. Conceptual shifts have included: first, an appreciation of the extent to which the neuron and its axon are affected in MS, and second, elucidation of how the neurobiology of axon-glial and, particularly, axon-myelin interaction may influence disease progression. In this article, we review advances in both areas, focusing on the molecular mechanisms underlying axonal loss in acute inflammation and in chronic demyelination, and discussing how the restoration of myelin sheaths via the regenerative process of remyelination might prevent axon degeneration. An understanding of these processes could lead to better strategies for the prevention and treatment of axonal loss, which will ultimately benefit patients with MS.
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Huang JK, Franklin RJM. Current status of myelin replacement therapies in multiple sclerosis. PROGRESS IN BRAIN RESEARCH 2012. [PMID: 23186717 DOI: 10.1016/b978-0-444-59544-7.00011-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Multiple sclerosis is an autoimmune disease of the human central nervous system characterized by immune-mediated myelin and axonal damage, and chronic axonal loss attributable to the absence of myelin sheaths. There are two aspects to the treatment of MS-first, the prevention of damage by suppressing the maladaptive immune system, and second, the long-term preservation of axons by the promotion of remyelination, a regenerative process in which new axons are restored to demyelinated axons. Medicine has made significant progress in the first of these in recent years-there is an increasing number of ever more effective disease-modifying immunomodulatory interventions. However, there are currently no widely used regenerative therapies in MS. Conceptually, there are two approaches to remyelination therapy-transplantation of myelinogenic cells and promotion of endogenous remyelination mediated by myelinogenic cells present within the diseased tissue. In this chapter, in addition to describing why remyelination therapies are important, we review both these approaches, outlining their current status and future developments.
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Affiliation(s)
- Jeffrey K Huang
- Wellcome Trust and MRC, Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK.
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Huang JK, Fancy SPJ, Zhao C, Rowitch DH, ffrench-Constant C, Franklin RJM. Myelin regeneration in multiple sclerosis: targeting endogenous stem cells. Neurotherapeutics 2011; 8:650-8. [PMID: 21904791 PMCID: PMC3250284 DOI: 10.1007/s13311-011-0065-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Regeneration of myelin sheaths (remyelination) after central nervous system demyelination is important to restore saltatory conduction and to prevent axonal loss. In multiple sclerosis, the insufficiency of remyelination leads to the irreversible degeneration of axons and correlated clinical decline. Therefore, a regenerative strategy to encourage remyelination may protect axons and improve symptoms in multiple sclerosis. We highlight recent studies on factors that influence endogenous remyelination and potential promising pharmacological targets that may be considered for enhancing central nervous system remyelination.
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Affiliation(s)
- Jeffrey K. Huang
- MRC Cambridge Centre for Stem Cell Biology and Regenerative Medicine, and Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, United Kingdom CB3 0ES
| | - Stephen P. J. Fancy
- Departments of Pediatrics and Neurosurgery, Eli and Edythe Broad Institute for Stem Cell Research and Regeneration Medicine and Howard Hughes Medical Institute, University of California San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143 USA
| | - Chao Zhao
- MRC Cambridge Centre for Stem Cell Biology and Regenerative Medicine, and Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, United Kingdom CB3 0ES
| | - David H. Rowitch
- Departments of Pediatrics and Neurosurgery, Eli and Edythe Broad Institute for Stem Cell Research and Regeneration Medicine and Howard Hughes Medical Institute, University of California San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143 USA
| | - Charles ffrench-Constant
- MRC Centre for Regenerative Medicine and MS Society/University of Edinburgh Centre for Translational Research, Centre for Inflammation Research, The Queen’s Medical Research Institute, 47 Little France Crescent, Edinburgh, United Kingdom EH16 4TJ
| | - Robin J. M. Franklin
- MRC Cambridge Centre for Stem Cell Biology and Regenerative Medicine, and Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, United Kingdom CB3 0ES
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Bibliography. Lymphoma. Current world literature. Curr Opin Oncol 2011; 23:537-41. [PMID: 21836468 DOI: 10.1097/cco.0b013e32834b18ec] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sassolas B, Battistella M. [Therapeutic perspectives of cutaneous T-cell lymphoma]. Ann Dermatol Venereol 2011; 138:H19-22. [PMID: 21703466 DOI: 10.1016/s0151-9638(11)70072-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Bruno Sassolas
- Service de dermatologie, CHU Brest, 29609 Brest, France.
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