1
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Trefzer LK, Pilz AC, Eyerich K. Dermatologic adverse events caused by biologic treatments - Pathogenesis and management. J Dtsch Dermatol Ges 2024. [PMID: 38923669 DOI: 10.1111/ddg.15360] [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: 02/23/2023] [Accepted: 01/06/2024] [Indexed: 06/28/2024]
Abstract
Biologics are approved for various dermatologic, allergic, rheumatic, and gastroenterologic inflammatory diseases, as well as for numerous malignancies. The dermatologic adverse events from treatment with biologics may resemble primary inflammatory diseases but differ in pathogenesis. In this article, we describe five different pathogenic mechanisms of dermatologic adverse events. By studying these mechanisms, we hope to gain valuable insights into the pathogenesis of primary inflammatory diseases. In addition, in this article, we provide recommendations for the treatment and management of the dermatological adverse events induced by biologics.
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Affiliation(s)
- Laura Katharina Trefzer
- Department of Dermatology and Venerology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Anna Caroline Pilz
- Department of Dermatology and Venerology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Kilian Eyerich
- Department of Dermatology and Venerology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Dermatology and Allergy, Technical University of Munich, Munich, Germany
- Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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2
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Kossard S. Critical Review-A Tribute to Louis Brocq Lymphomatoid Papulosis, the Key in Exploring the Relationship of Parapsoriasis and Mycosis Fungoides. Am J Dermatopathol 2023; 45:753-761. [PMID: 37782018 PMCID: PMC10581442 DOI: 10.1097/dad.0000000000002546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
ABSTRACT Both parapsoriasis and LyP appear clinically as inflammatory dermatoses with a paradoxical link to cMF. A key element in addressing the relationship of parapsoriasis and MF were the results of the French and Dutch long-term registries tracking the emergence of lymphomas in the setting of LyP. Both cMF and cALCL emerged almost equally in these long-term studies. This ultimately supports that the stem cells in both cMF and cALCL are probably derived from a common stem cell shared by CD4+/CD8+ memory stem cells defining cMF and CD30+ stem cells defining cALCL. The discovery of inducible Skin Associated Lymphoid Tissue (iSALT) mesenchymal hubs incorporating Tregs, with their pleiotropic functions represents a paradigm shift and formed a translational tool in this analysis of the paradox. LyP can be recast as activated inhibitory lymphomatoid T-cell hubs derived from inducible iTregs in iSALT and the source of the common stem cell LyP line. iSALT Treg integrated mesenchymal hubs provided an emerging translational tool in redefining integrated lymphomatoid pathways. Brocq's complex scheme defining parapsoriasis as hybrid inflammatory dermatoses with a paradoxical link to cMF became a template to preserve parapsoriasis as a clinical diagnosis. Two major iSALT Treg generated inhibitory integrated lymphomatoid hubs emerged. The major CD30+TNF lymphomatoid hub has been linked to cALCL. Clinically defined chronic regressing and relapsing parapsoriasis with the histopathology of patch stage MF can be redefined as lymphomatoid parapsoriasis. This twin inhibited oncogenic memory based hub is defined by Treg modulated, CD4+/CD8+memory linked PD-1/DL-1 cytoxic complex and lichenoid histopathology.
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Affiliation(s)
- Steven Kossard
- Kossard Dermatopathologists, Laverty Pathology, Macquarie Park, NSW, Australia
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3
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Fahmy LM, Schreidah CM, Lapolla BA, Magro CM, Geskin LJ. Mycosis fungoides diagnosed after exposure to risankizumab for psoriasis. JAAD Case Rep 2023; 41:85-89. [PMID: 37916040 PMCID: PMC10615897 DOI: 10.1016/j.jdcr.2023.08.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023] Open
Affiliation(s)
- Lauren M. Fahmy
- Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Celine M. Schreidah
- Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Brigit A. Lapolla
- Department of Dermatology, Columbia University Irving Medical Center, New York, New York
| | - Cynthia M. Magro
- Department of Pathology and Laboratory Medicine, Division of Dermatopathology, Weill Cornell Medicine, New York, New York
| | - Larisa J. Geskin
- Department of Dermatology, Columbia University Irving Medical Center, New York, New York
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4
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Donzel M, Trecourt A, Balme B, Harou O, Mauduit C, Bachy E, Guesquières H, Fontaine J, Ortonne N, Perier-Muzet M, Dalle S, Traverse-Glehen A. Deciphering the spectrum of cutaneous lymphomas expressing TFH markers. Sci Rep 2023; 13:6500. [PMID: 37081015 PMCID: PMC10119163 DOI: 10.1038/s41598-023-33031-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 04/06/2023] [Indexed: 04/22/2023] Open
Abstract
T-follicular helper (TFH) markers are expressed in the microenvironnement of marginal zone B-cell lymphoma (MZL), and in lymphomas arising from TFH-cells, sometimes making the differential diagnosis difficult. In the skin, the "TFH-spectrum" is poorly defined, going from primary cutaneous lymphoproliferative disorder with small/medium CD4+ T-cells (SMLPD) to cutaneous localizations of systemic angioimmunoblastic T-cell lymphoma (cAITL), and may pass through intermediate forms (primary cutaneous T-follicular helper derived lymphoma, not otherwise specified (PCTFHL,NOS)). We retrospectively analyzed 20 MZL, 13 SMLPD, 5 PCTFHL, and 11 cAITL clinically, histologically, and molecularly, to define tools to differentiate them. Characteristics that might favor the diagnosis of MZL over SMLPD are: multiple skin nodules (p < 0.001), nodular architecture (p < 0.01), residual germinal centers with follicular dendritic cell network (p < 0.001), monotypic plasma cells (p < 0.001), and few staining with PD1 (p = 0.016) or CXCL13 (p = 0.03). PCTFHL and cAITL presented as multiple (p < 0.01) lesions, in older patients (p < 0.01), with systemic symptoms and/or biological alterations (p < 0.01). Immunophenotypic loss of T-cell markers (p < 0.001), BCL6 (p = 0.023) and/or CD10 staining (p = 0.08), and a higher proliferative index (≥ 30%, p = 0.039) favoured these diagnoses over SMLPD. Pathogenic variants were observed by genomic sequencing in 47% of MZL (TNFAIP3 (32%), EP300 (21%), NOTCH2 (16%), KMT2D (16%), CARD11 (10.5%)), 8% of SMLPD (TET2), 40% of PCTFHL (SOCS1 (20%), ARID1A (20%)) and 64% of cAITL (TET2 (63.6%), RHOA (36.4%), NOTCH1 (9%)). This study characterizes the various clinical and histological features between cutaneous lymphomas expressing TFH markers and highlights the value of the interest of screening for genomic mutations in difficult cases.
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Affiliation(s)
- Marie Donzel
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France.
| | - Alexis Trecourt
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France
| | - Brigitte Balme
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France
| | - Olivier Harou
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France
| | - Claire Mauduit
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France
| | - Emmanuel Bachy
- Hospices Civils de Lyon, Cancer Research Center of Lyon, INSERM U1052, CNRS UMR 5286, CLB, UCBL, Université Lyon 1, Lyon, France
- Hospices Civils de Lyon, Service d'Hématologie, Hôpital Lyon Sud, Lyon, France
| | - Hervé Guesquières
- Hospices Civils de Lyon, Cancer Research Center of Lyon, INSERM U1052, CNRS UMR 5286, CLB, UCBL, Université Lyon 1, Lyon, France
- Hospices Civils de Lyon, Service d'Hématologie, Hôpital Lyon Sud, Lyon, France
| | - Juliette Fontaine
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France
| | - Nicolas Ortonne
- Biological Immunology, APHP Henri Mondor Hospital, Paris Est Creteil University (UPEC) and INSERM U955 Team Ortonne (NFL), Créteil, France
- Department of Dermatology, APHP Henri Mondor Hospital, Créteil, France
| | - Marie Perier-Muzet
- Hospices Civils de Lyon, Service de Dermatologie, Hôpital Lyon Sud, Lyon, France
| | - Stéphane Dalle
- Hospices Civils de Lyon, Cancer Research Center of Lyon, INSERM U1052, CNRS UMR 5286, CLB, UCBL, Université Lyon 1, Lyon, France
- Hospices Civils de Lyon, Service de Dermatologie, Hôpital Lyon Sud, Lyon, France
| | - Alexandra Traverse-Glehen
- Institut de Pathologie multisites, Hospices Civils de Lyon, Hôpital Lyon Sud, 165 Chemin du Grand Revoyet, 69310, Lyon, Pierre-Bénite, France
- Hospices Civils de Lyon, Cancer Research Center of Lyon, INSERM U1052, CNRS UMR 5286, CLB, UCBL, Université Lyon 1, Lyon, France
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5
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Mitroi GG, Stoica LE, Mitroi GF, Mitroi MR, Tutunaru CV, Ică OM, Ianoși LS. Atopic Dermatitis with Multiple Comorbidities Treated with Dupilumab. A Case Report and Review of the Literature Regarding the Safety of Dupilumab. LIFE (BASEL, SWITZERLAND) 2022; 12:life12101670. [PMID: 36295105 PMCID: PMC9605392 DOI: 10.3390/life12101670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/13/2022] [Accepted: 10/19/2022] [Indexed: 11/23/2022]
Abstract
Dupilumab is the only available biological treatment for moderate-to-severe atopic dermatitis (AD). Even so, limited clinical data regarding its safety profile are available. Interactions with other drugs and the adverse effects of Dupilumab on patients with multiple comorbidities, such as chronic heart disease, diabetes, chronic kidney disease, etc., are not known yet. Moreover, there have been described cases of cutaneous lymphomas induced by Dupilumab. Therefore, the clinician that wants to start treatment for moderate-to-severe atopic dermatitis, which does not respond to conventional drugs, might be reluctant to choose biologic agents such as Dupilumab. In this paper, we reported a case of severe atopic dermatitis with multiple comorbidities in which the patient was successfully treated with Dupilumab despite numerous underlying conditions. We also conducted a review of the current literature on the safety profile of Dupilumab in special categories of patients with comorbidities, such as heart, kidney, and liver disease, oncologic conditions, and during pregnancy.
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Affiliation(s)
- George G. Mitroi
- Department of Dermatology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Loredana Elena Stoica
- Department of Dermatology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - George F. Mitroi
- Department of Urology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence: (G.F.M.); (M.R.M.); Tel.: +40-744547069 (G.F.M.); +40-744395269 (M.R.M.)
| | - Mihaela Roxana Mitroi
- Department of Otorhinolaryngology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence: (G.F.M.); (M.R.M.); Tel.: +40-744547069 (G.F.M.); +40-744395269 (M.R.M.)
| | - Cristina Violeta Tutunaru
- Department of Dermatology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Oana Maria Ică
- Department of Dermatology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Laura Simona Ianoși
- Department of Dermatology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
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6
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Schaefer L, Comfere NI, Sokumbi O. Development of cutaneous T-cell lymphoma following exposure to biologic therapy: a Mayo Clinic retrospective analysis. Int J Dermatol 2022. [PMID: 35950217 DOI: 10.1111/ijd.16386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/19/2022] [Accepted: 07/28/2022] [Indexed: 11/28/2022]
Affiliation(s)
| | - Nneka I Comfere
- Departments of Dermatology and Laboratory Medicine & Pathology, Mayo Clinic, Rochester, MN, USA
| | - Olayemi Sokumbi
- Departments of Dermatology and Laboratory Medicine & Pathology, Mayo Clinic, Jacksonville, FL, USA
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7
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Kołkowski K, Trzeciak M, Sokołowska-Wojdyło M. Safety and Danger Considerations of Novel Treatments for Atopic Dermatitis in Context of Primary Cutaneous Lymphomas. Int J Mol Sci 2021; 22:13388. [PMID: 34948183 PMCID: PMC8703592 DOI: 10.3390/ijms222413388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 12/24/2022] Open
Abstract
The impact of new and emerging therapies on the microenvironment of primary cutaneous lymphomas (PCLs) has been recently raised in the literature. Concomitantly, novel treatments are already used or registered (dupilumab, upadacitinib) and others seem to be added to the armamentarium against atopic dermatitis. Our aim was to review the literature on interleukins 4, 13, 22, and 31, and JAK/STAT pathways in PCLs to elucidate the safety of using biologics (dupilumab, tralokinumab, fezakinumab, nemolizumab) and small molecule inhibitors (upadacitinib, baricitinib, abrocitinib, ruxolitinib, tofacitinib) in the treatment of atopic dermatitis. We summarized the current state of knowledge on this topic based on the search of the PubMed database and related references published before 21 October 2021. Our analysis suggests that some of the mentioned agents (dupilumab, ruxolitinib) and others may have a direct impact on the progression of cutaneous lymphomas. This issue requires further study and meticulous monitoring of patients receiving these drugs to ensure their safety, especially in light of the FDA warning on tofacitinib. In conclusion, in the case of the rapid progression of atopic dermatitis/eczema, especially in patients older than 40 years old, there is a necessity to perform a biopsy followed by a very careful pathological examination.
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Affiliation(s)
- Karol Kołkowski
- Dermatological Students Scientific Association, Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdansk, 80-214 Gdansk, Poland
| | - Magdalena Trzeciak
- Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdansk, 80-214 Gdansk, Poland; (M.T.); (M.S.-W.)
| | - Małgorzata Sokołowska-Wojdyło
- Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdansk, 80-214 Gdansk, Poland; (M.T.); (M.S.-W.)
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8
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Raschi E, La Placa M, Poluzzi E, De Ponti F. The value of case reports and spontaneous reporting systems for pharmacovigilance and clinical practice. Br J Dermatol 2020; 184:581-583. [PMID: 33184850 DOI: 10.1111/bjd.19677] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 11/10/2020] [Indexed: 12/23/2022]
Affiliation(s)
- E Raschi
- Pharmacology Unit, Department of Medical and Surgical Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - M La Placa
- Dermatology Division, Department of Experimental, Diagnostic and Specialty Medicine, Policlinico S. Orsola-Malpighi, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - E Poluzzi
- Pharmacology Unit, Department of Medical and Surgical Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - F De Ponti
- Pharmacology Unit, Department of Medical and Surgical Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
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9
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Biondo G, Cerroni L, Brunasso AMG, Sola S, Cota C, Javor S, Massone C. Risk of mycosis fungoides in psoriatic patients: a critical review. J Eur Acad Dermatol Venereol 2020; 34:1186-1195. [PMID: 31856345 DOI: 10.1111/jdv.16160] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 11/26/2019] [Indexed: 12/18/2022]
Abstract
Psoriasis has been controversially associated with risk of non-Hodgkin lymphoma (NHL) and mycosis fungoides (MF). Also patients who developed MF after systemic treatment for psoriasis have been reported, and some authors suggested that the association between MF and psoriasis is not infrequent. We performed an extensive literature review in order to examine the risk of developing MF in psoriatic patients with a systematic search of the English-language databases. An increased risk for lymphoma overall in psoriatic patients has been found only by three out of seven studies. The risk of developing MF in psoriatic patients has been investigated by different studies in different populations and with different methodologies presenting bias and limitations, and it seems reasonable that misclassification between psoriasis and MF may explain the association reported. In contrast to the large number of psoriatic patients treated with biologicals, only 27 case reports of MF after biological therapy for psoriasis have been reported, and in 10 cases, the initial psoriasis diagnoses were then revised as MF. A true association between MF and psoriasis is possible, but the real incidence and prevalence are still unknown. The reported higher risk of developing MF in psoriatic patients should be reconsidered in the light of the bias of misclassification and the low magnitude reported in previous studies. There is not enough evidence to support a causal relation among biological therapies and MF in psoriatic patients.
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Affiliation(s)
- G Biondo
- Dermatology Unit, Galliera Hospital, Genoa, Italy
| | - L Cerroni
- Research Unit Dermatopathology, Department of Dermatology, Medical University of Graz, Graz, Austria
| | | | - S Sola
- Surgical Pathology, Galliera Hospital, Genoa, Italy
| | - C Cota
- Dermatology Unit, IRCCS INRCA, Ancona, Italy
| | - S Javor
- Dermatology Unit, Galliera Hospital, Genoa, Italy
| | - C Massone
- Dermatology Unit, Galliera Hospital, Genoa, Italy
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10
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Ingen-Housz-Oro S. Quoi de neuf en dermatologie clinique? Ann Dermatol Venereol 2019; 146:12S1-12S10. [DOI: 10.1016/s0151-9638(20)30100-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Martinez XU, Di Raimondo C, Abdulla FR, Zain J, Rosen ST, Querfeld C. Leukaemic variants of cutaneous T-cell lymphoma: Erythrodermic mycosis fungoides and Sézary syndrome. Best Pract Res Clin Haematol 2019; 32:239-252. [PMID: 31585624 PMCID: PMC9056079 DOI: 10.1016/j.beha.2019.06.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 06/05/2019] [Indexed: 01/22/2023]
Abstract
Mycosis fungoides (MF) and Sézary syndrome (SS) are the most common types of cutaneous lymphoma, accounting for approximately 60% of cutaneous T-cell lymphomas. Diagnosis requires correlation of clinical, histologic, and molecular features. A multitude of factors have been linked to the aetiopathogenesis, however, none have been definitively proven. Erythrodermic MF (E-MF) and SS share overlapping clinical features, such as erythroderma, but are differentiated on the degree of malignant blood involvement. While related, they are considered to be two distinct entities originating from different memory T cell subsets. Differential expression of PD-1 and KIR3DL2 may represent a tool for distinguishing MF and SS, as well as a means of monitoring treatment response. Treatment of E-MF/SS is guided by disease burden, patients' ages and comorbidities, and effect on quality of life. Current treatment options include biologic, targeted, immunologic, and investigational therapies that can provide long term response with minimal side effects. Currently, allogeneic stem cell transplantation is the only potential curative treatment.
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Affiliation(s)
| | - Cosimo Di Raimondo
- City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA; Policlinico Tor Vergata, Viale Oxford 81, 00133, Rome, Italy.
| | - Farah R Abdulla
- City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA.
| | - Jasmine Zain
- City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA.
| | - Steven T Rosen
- City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA; Beckman Research Institute, 1500 E. Duarte Road, Duarte, CA, 91010, United States.
| | - Christiane Querfeld
- City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA 91010, USA; Beckman Research Institute, 1500 E. Duarte Road, Duarte, CA, 91010, United States.
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12
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Sivanand A, Surmanowicz P, Alhusayen R, Hull P, Litvinov IV, Zhou Y, Gniadecki R. Immunotherapy for Cutaneous T-Cell Lymphoma: Current Landscape and Future Developments. J Cutan Med Surg 2019; 23:537-544. [PMID: 31353944 DOI: 10.1177/1203475419867610] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Mycosis fungoides (MF) and Sézary syndrome (SS) are chronic, progressive primary cutaneous T-cell lymphomas (CTCLs) for which there are no curative treatments. Skin-directed therapies, such as phototherapy, radiation therapy, or topical nitrogen mustard, provide only short-term remissions. Numerous attempts with different chemotherapeutic regimes failed to achieve meaningful clinical responses. Immunotherapy seems to be a promising avenue to achieve long-term disease control in CTCL. There is compelling evidence indicating that MF and SS are immunogenic lymphomas, which can be recognized by the patient's immune system. However, CTCL uses different strategies to impair host's immunity, eg, via repolarizing the T-cell differentiation from type I to type II, recruiting immunosuppressive regulatory T-cells, and limiting the repertoire of lymphocytes in the circulation. Many currently used therapies, such as interferon-α, imiquimod, extracorporeal phototherapy, and allogeneic bone marrow transplant, seem to exert their therapeutic effect via activation of the antitumor cytotoxic response and reconstitution of the host's immune system. It is likely that novel immunotherapies such as immune checkpoint inhibitors, cancer vaccines, and chimeric antigen receptor-T cells will help to manage CTCL more efficiently. We also discuss how current genomic techniques, such as estimating the mutational load by whole genome sequencing and neoantigen calling, are likely to provide clinically useful information facilitating personalized immunotherapy of CTCL.
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Affiliation(s)
- Arunima Sivanand
- 1 Division of Dermatology, University of Alberta, Edmonton, AB, Canada
| | | | - Raed Alhusayen
- 2 Division of Dermatology, University of Toronto, ON, Canada
| | - Peter Hull
- 3 Division of Clinical Dermatology and Cutaneous Science, Dalhousie University, Halifax, NS, Canada
| | - Ivan V Litvinov
- 4 Division of Dermatology, McGill University, Montreal, QC, Canada
| | - Youwen Zhou
- 5 Department of Dermatology and Skin Science, University of British Columbia, Vancouver, BC, Canada
| | - Robert Gniadecki
- 1 Division of Dermatology, University of Alberta, Edmonton, AB, Canada
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