1
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Park M, Kim JW. Updates on the mechanisms of toxicities associated with monoclonal antibodies targeting growth factor signaling and immune cells in cancer. Toxicol Res 2024; 40:335-348. [PMID: 38911540 PMCID: PMC11187026 DOI: 10.1007/s43188-024-00233-4] [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: 01/03/2024] [Revised: 03/12/2024] [Accepted: 03/15/2024] [Indexed: 06/25/2024] Open
Abstract
Monoclonal antibody (mAb)-based immunotherapy currently is considered to be an optimal therapeutic approach to cancer treatment, either in combination with surgery, radiation, and/or chemotherapy or alone. Various solid tumors and hematological malignancies have been characterized by distinct molecular targets, which could be utilized as innovative anticancer agents. Notably, receptor tyrosine kinases, including HER2, EGFR, VEGFR, and PDGFR, which act as receptors for growth factors, serve as crucial target proteins, expanding their role in the cancer therapeutic market. In contrast to conventional anticancer agents that directly target cancer cells, the advent of immunotherapy introduces novel approaches, such as immune checkpoint blockers (ICBs) and mAbs targeting surface antigens on immune cells in hematological malignancies and lymphomas. While these immunotherapies have mitigated the acquired resistance observed in traditional targeted therapies, they also exhibit diverse toxicities. Herein, this review focuses on describing the well-established toxicities and newly proposed mechanisms of monoclonal antibody toxicity in recent studies. Understanding these molecular mechanisms is indispensable to overcoming the limitations of mAbs-based therapies, facilitating the development of innovative anticancer agents, and uncovering novel indications for cancer treatment in the future.
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Affiliation(s)
- Miso Park
- College of Pharmacy, Kangwon National University, Chuncheon, Gangwon-do Republic of Korea
| | - Ji Won Kim
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju-do, Republic of Korea
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2
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Stein T, Robak T, Biernat W, Robak E. Primary Cutaneous CD30-Positive Lymphoproliferative Disorders-Current Therapeutic Approaches with a Focus on Brentuximab Vedotin. J Clin Med 2024; 13:823. [PMID: 38337516 PMCID: PMC10856748 DOI: 10.3390/jcm13030823] [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: 11/08/2023] [Revised: 01/16/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
One of the most common subgroups of cutaneous T-cell lymphomas is that of primary cutaneous CD30-positive lymphoproliferative disorders. The group includes lymphomatoid papulosis (LyP) and primary cutaneous anaplastic large cell lymphoma (pcALCL), as well as some borderline cases. Recently, significant progress has been made in understanding the genetics and treatment of these disorders. This review article summarises the clinical evidence supporting the current treatment options for these diseases. Recent years have seen the introduction of novel agents into clinical practice; most of these target CD30, such as anti-CD30 monoclonal antibodies and conjugated antibodies (brentuximab vedotin), bispecific antibodies and cellular therapies, particularly anti-CD30 CAR-T cells. This paper briefly reviews the biology of CD30 that makes it a good therapeutic target and describes the anti-CD30 therapies that have emerged to date.
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Affiliation(s)
- Tomasz Stein
- Department of Dermatology, Medical University of Lodz, 90-647 Lodz, Poland;
| | - Tadeusz Robak
- Department of Hematology, Medical University of Lodz, 93-510 Lodz, Poland
- Department of General Hematology, Copernicus Memorial Hospital, 93-510 Lodz, Poland
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdansk, 80-214 Gdansk, Poland;
| | - Ewa Robak
- Department of Dermatology, Medical University of Lodz, 90-647 Lodz, Poland;
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3
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Bowers JT, Anna J, Bair SM, Annunzio K, Epperla N, Pullukkara JJ, Gaballa S, Spinner MA, Li S, Messmer MR, Nguyen J, Ayers EC, Wagner CB, Hu B, Di M, Huntington SF, Furqan F, Shah NN, Chen C, Ballard HJ, Hughes ME, Chong EA, Nasta SD, Barta SK, Landsburg DJ, Svoboda J. Brentuximab vedotin plus AVD for Hodgkin lymphoma: incidence and management of peripheral neuropathy in a multisite cohort. Blood Adv 2023; 7:6630-6638. [PMID: 37595053 PMCID: PMC10628810 DOI: 10.1182/bloodadvances.2023010622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/28/2023] [Accepted: 07/29/2023] [Indexed: 08/20/2023] Open
Abstract
Brentuximab vedotin (BV) in combination with doxorubicin, vinblastine, and dacarbazine (AVD) is increasingly used for frontline treatment of stage III/IV classical Hodgkin lymphoma (cHL). Peripheral neuropathy (PN) was the most common and treatment-limiting side effect seen in clinical trials but has not been studied in a nontrial setting, in which clinicians may have different strategies for managing it. We conducted a multisite retrospective study to characterize PN in patients who received BV + AVD for newly diagnosed cHL. One hundred fifty-three patients from 10 US institutions were eligible. Thirty-four patients (22%) had at least 1 ineligibility criteria for ECHELON-1, including stage, performance status, and comorbidities. PN was reported by 80% of patients during treatment; 39% experienced grade (G) 1, 31% G2, and 10% G3. In total, BV was modified in 44% of patients because of PN leading to BV discontinuation in 23%, dose reduction in 17%, and temporary hold in 4%. With a median follow-up of 24 months, PN resolution was documented in 36% and improvement in 33% at the last follow-up. Two-year progression-free survival (PFS) for the advanced-stage patients was 82.7% (95% confidence interval [CI], 0.76-0.90) and overall survival was 97.4% (95% CI, 0.94-1.00). Patients who discontinued BV because of PN did not have inferior PFS. In the nontrial setting, BV + AVD was associated with a high incidence of PN. In our cohort, which includes patients who would not have been eligible for the pivotal ECHELON-1 trial, BV discontinuation rates were higher than previously reported, but 2-year outcomes remain comparable.
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Affiliation(s)
- Jackson T. Bowers
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Jacob Anna
- Division of Hematology, University of Colorado Denver, Aurora, CO
| | - Steven M. Bair
- Division of Hematology, University of Colorado Denver, Aurora, CO
| | | | | | | | - Sameh Gaballa
- Department of Malignant Hematology, H. Lee Moffitt Cancer Center, Tampa, FL
| | - Michael A. Spinner
- Division of Hematology Oncology, Department of Medicine, University of California San Francisco, San Francisco, CA
| | - Shuning Li
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA
| | - Marcus R. Messmer
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA
| | - Joseph Nguyen
- Division of Hematology/Oncology, University of Virginia, Charlottesville, VA
| | - Emily C. Ayers
- Division of Hematology/Oncology, University of Virginia, Charlottesville, VA
| | - Charlotte B. Wagner
- Division of Hematology/Hematologic Malignancies, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT
| | - Boyu Hu
- Division of Hematology/Hematologic Malignancies, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT
| | - Mengyang Di
- Division of Hematology Oncology, Department of Medicine, Yale University, New Haven, CT
| | - Scott F. Huntington
- Division of Hematology Oncology, Department of Medicine, Yale University, New Haven, CT
| | - Fateeha Furqan
- Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - Nirav N. Shah
- Division of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - Christina Chen
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Hatcher J. Ballard
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Mitchell E. Hughes
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Elise A. Chong
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Sunita D. Nasta
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Stefan K. Barta
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Daniel J. Landsburg
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Jakub Svoboda
- Division of Hematology Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, PA
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4
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Frachet S, Danigo A, Duchesne M, Richard L, Sturtz F, Magy L, Demiot C. A mouse model of sensory neuropathy induced by a long course of monomethyl-auristatin E treatment. Toxicol Appl Pharmacol 2023; 474:116624. [PMID: 37419214 DOI: 10.1016/j.taap.2023.116624] [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] [Received: 01/10/2023] [Revised: 06/16/2023] [Accepted: 07/03/2023] [Indexed: 07/09/2023]
Abstract
Antibody-drug conjugates (ADCs) are anticancer drugs consisting of a monoclonal antibody, targeting selective tumor antigens, to which has been frequently associated a highly potent cytotoxic agent, the monomethyl auristatin E (MMAE) using a chemical linker. MMAE is a tubulin polymerization inhibitor derived from dolastin-10. These MMAE-ADCs are responsible for peripheral nerve toxicities. Our objective was to develop and characterize a mouse model of MMAE-induced peripheral neuropathy induced by free MMAE injections. MMAE was injected in Swiss mice at 50 μg/kg i.p. every other day for 7 weeks. Assessments of motor and sensory nerve functions were performed once a week on MMAE and Vehicle-treated mice. Sciatic nerve and paw skin were removed at the end of experiment for subsequent immunofluorescence and morphological analysis. MMAE did not affect motor coordination, muscular strength and heat nociception, but significantly induced tactile allodynia in MMAE-treated mice compared with Vehicle-treated mice from day 35 to day 49. MMAE significantly reduced myelinated and unmyelinated axon densities in sciatic nerves and led to a loss of intraepidermal nerve fiber in paw skin. In summary, long course of low dose of MMAE induced a peripheral sensory neuropathy associated with nerve degeneration, without general state alteration. This model may represent a ready accessible tool to screen neuroprotective strategies in the context of peripheral neuropathies induced by MMAE-ADCs.
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Affiliation(s)
- Simon Frachet
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France; Department of Neurology, Reference Center for Rare Peripheral Neuropathies, University Hospital of Limoges, Limoges 87042, France.
| | - Aurore Danigo
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France.
| | - Mathilde Duchesne
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France; Department of Neurology, Reference Center for Rare Peripheral Neuropathies, University Hospital of Limoges, Limoges 87042, France; Department of Pathology, University Hospital of Limoges, Limoges 87042, France.
| | - Laurence Richard
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France; Department of Neurology, Reference Center for Rare Peripheral Neuropathies, University Hospital of Limoges, Limoges 87042, France; Department of Pathology, University Hospital of Limoges, Limoges 87042, France.
| | - Franck Sturtz
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France.
| | - Laurent Magy
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France; Department of Neurology, Reference Center for Rare Peripheral Neuropathies, University Hospital of Limoges, Limoges 87042, France.
| | - Claire Demiot
- NeurIT (Neuropathies et Innovations Thérapeutiques) UR 20218, Faculties of Medicine and Pharmacy, University of Limoges, Limoges 87025, France.
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5
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Alberti P, Salvalaggio A, Argyriou AA, Bruna J, Visentin A, Cavaletti G, Briani C. Neurological Complications of Conventional and Novel Anticancer Treatments. Cancers (Basel) 2022; 14:cancers14246088. [PMID: 36551575 PMCID: PMC9776739 DOI: 10.3390/cancers14246088] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/05/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Various neurological complications, affecting both the central and peripheral nervous system, can frequently be experienced by cancer survivors after exposure to conventional chemotherapy, but also to modern immunotherapy. In this review, we provide an overview of the most well-known adverse events related to chemotherapy, with a focus on chemotherapy induced peripheral neurotoxicity, but we also address some emerging novel clinical entities related to cancer treatment, including chemotherapy-related cognitive impairment and immune-mediated adverse events. Unfortunately, efficacious curative or preventive treatment for all these neurological complications is still lacking. We provide a description of the possible mechanisms involved to drive future drug discovery in this field, both for symptomatic treatment and neuroprotection.
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Affiliation(s)
- Paola Alberti
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
- NeuroMI (Milan Center for Neuroscience), 20126 Milan, Italy
| | | | - Andreas A. Argyriou
- Neurology Department, Agios Andreas State General Hospital of Patras, 26335 Patras, Greece
| | - Jordi Bruna
- Neuro-Oncology Unit, Hospital Universitari de Bellvitge-ICO Hospitalet, Bellvitge Institute for Biomedical Research (IDIBELL), 08908 Barcelona, Spain
| | - Andrea Visentin
- Hematology and Clinical Immunology Unit, Department of Medicine, University of Padova, 35131 Padova, Italy
| | - Guido Cavaletti
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Chiara Briani
- Neurology Unit, Department of Neurosciences, University of Padova, 35131 Padova, Italy
- Correspondence:
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6
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Gupta P, Makkar TK, Goel L, Pahuja M. Role of inflammation and oxidative stress in chemotherapy-induced neurotoxicity. Immunol Res 2022; 70:725-741. [PMID: 35859244 DOI: 10.1007/s12026-022-09307-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/08/2022] [Indexed: 11/28/2022]
Abstract
Chemotherapeutic agents may adversely affect the nervous system, including the neural precursor cells as well as the white matter. Although the mechanisms are not completely understood, several hypotheses connecting inflammation and oxidative stress with neurotoxicity are now emerging. The proposed mechanisms differ depending on the class of drug. For example, toxicity due to cisplatin occurs due to activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), which alters hippocampal long-term potentiation. Free radical injury is also involved in the cisplatin-mediated neurotoxicity as dysregulation of nuclear factor erythroid 2-related factor 2 (Nrf2) has been seen which protects against the free radical injury by regulating glutathione S-transferases and hemeoxygenase-1 (HO-1). Thus, correcting the imbalance between NF-κB and Nrf2/HO-1 pathways may alleviate cisplatin-induced neurotoxicity. With newer agents like bortezomib, peripheral neuropathy occurs due to up-regulation of TNF-α and IL-6 in the sensory neurons. Superoxide dismutase dysregulation is also involved in bortezomib-induced neuropathy. This article reviews the available literature on inflammation and oxidative stress in neurotoxicity caused by various classes of chemotherapeutic agents. It covers the conventional medicines like platinum compounds, vinca alkaloids, and methotrexate, as well as the newer therapeutic agents like immunomodulators and immune checkpoint inhibitors. A better understanding of the pathophysiology will lead to further advancement in strategies for management of chemotherapy-induced neurotoxicity.
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Affiliation(s)
- Pooja Gupta
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India. .,Coordinator, AIIMS Adverse Drug Reaction Monitoring Centre, Pharmacovigilance Program of India, New Delhi, India.
| | - Tavneet Kaur Makkar
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Lavisha Goel
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Monika Pahuja
- Division of Basic Medical Sciences, Indian Council of Medical Research, New Delhi, India
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7
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Diebert N, Baker K, Fernández KS. Brentuximab vedotin related neuropathy in a patient with Gilbert syndrome: Do mutations of UGT1A1 gene affect brentuximab toxicity? Pediatr Blood Cancer 2022; 69:e29444. [PMID: 34767681 DOI: 10.1002/pbc.29444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 11/07/2022]
Affiliation(s)
- Nicole Diebert
- Department of Pharmacy, Cancer and Blood Disorders Center, Valley Children's Hospital, Madera, California, USA
| | - Katherine Baker
- Hematology/Oncology, Cancer and Blood Disorders Center, Valley Children's Hospital, Madera, California, USA
| | - Karen S Fernández
- Pediatric Hematology/Oncology, Cancer and Blood Disorders Center, Valley Children's Hospital, Madera, California, USA
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8
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Goel Y, Fouda R, Gupta K. Endoplasmic Reticulum Stress in Chemotherapy-Induced Peripheral Neuropathy: Emerging Role of Phytochemicals. Antioxidants (Basel) 2022; 11:antiox11020265. [PMID: 35204148 PMCID: PMC8868275 DOI: 10.3390/antiox11020265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 02/06/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a significant dose-limiting long-term sequela in cancer patients undergoing treatment, often leading to discontinuation of treatment. No established therapy exists to prevent and/or ameliorate CIPN. Reactive oxygen species (ROS) and mitochondrial dysregulation have been proposed to underlie the pathobiology of CIPN. However, interventions to prevent and treat CIPN are largely ineffective. Additional factors and mechanism-based targets need to be identified to develop novel strategies to target CIPN. The role of oxidative stress appears to be central, but the contribution of endoplasmic reticulum (ER) stress remains under-examined in the pathobiology of CIPN. This review describes the significance of ER stress and its contribution to CIPN, the protective role of herbal agents in countering ER stress in nervous system-associated disorders, and their possible repurposing for preventing CIPN.
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Affiliation(s)
- Yugal Goel
- Hematology/Oncology, Department of Medicine, University of California, Irvine, CA 92697, USA; (Y.G.); (R.F.)
| | - Raghda Fouda
- Hematology/Oncology, Department of Medicine, University of California, Irvine, CA 92697, USA; (Y.G.); (R.F.)
| | - Kalpna Gupta
- Hematology/Oncology, Department of Medicine, University of California, Irvine, CA 92697, USA; (Y.G.); (R.F.)
- VA Medical Center, Southern California Institute for Research and Education, Long Beach, CA 90822, USA
- Department of Medicine, Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN 55455, USA
- Correspondence:
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9
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Velasco R, Domingo-Domenech E, Sureda A. Brentuximab-Induced Peripheral Neurotoxicity: A Multidisciplinary Approach to Manage an Emerging Challenge in Hodgkin Lymphoma Therapy. Cancers (Basel) 2021; 13:6125. [PMID: 34885234 PMCID: PMC8656789 DOI: 10.3390/cancers13236125] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/27/2021] [Accepted: 11/30/2021] [Indexed: 01/30/2023] Open
Abstract
Brentuximab vedotin (BV) is an anti-CD30 antibody-drug conjugate approved to treat classical Hodgkin lymphoma (HL). BV-induced peripheral neurotoxicity (BVIN) is one of the greatest concerns for haematologists treating HL for several reasons. First, BVIN is highly frequent. Most patients receiving BV will experience some degree of BVIN, resulting in the primary reason for dose modification or discontinuation of HL therapy. Second, BV produces sensory, motor, and/or autonomic peripheral nerve dysfunction, which can present as severe, disabling forms of BVIN-predominantly motor-in some patients. Third, although largely reversible, BVIN may persist months or years after treatment and thereby become a major issue in HL survivorship. BVIN may, therefore, negatively affect the quality of life and work-life of often young patients with HL, in whom long-term survival is expected. Currently, the only strategy for BVIN includes dose adjustments and treatment discontinuation; however, this could interfere with LH therapy efficacy. In this setting, early recognition and adequate management of BVIN are critical in improving clinical outcomes. Careful neurologic monitoring may allow accurate diagnoses and gradation of ongoing forms of BVIN presentation. This review analysed current, available data on epidemiology, pathophysiology, patient- and treatment-related risk factors, clinical and neurophysiologic phenotypes, and management in patients with HL. Furthermore, this review specifically addresses limitations posed by BVIN assessments in clinical practice and provides skills and tools to improve neurologic assessments in these patients. Integrating this neurotoxic drug in clinical practice requires a multidisciplinary approach to avoid or minimise neurotoxicity burden in survivors of HL.
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Affiliation(s)
- Roser Velasco
- Neuro-Oncology Unit, Department of Neurology, Hospital Universitari de Bellvitge-Institut Català dOncologia, 08908 Barcelona, Spain
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, 08193 Bellaterra, Spain
| | - Eva Domingo-Domenech
- Department of Haematology, Catalan Institute of Oncology, Hospital Duran i Reynals, IDIBELL, University of Barcelona (UB), L’Hospitalet de Llobregat, 08908 Barcelona, Spain; (E.D.-D.); (A.S.)
| | - Anna Sureda
- Department of Haematology, Catalan Institute of Oncology, Hospital Duran i Reynals, IDIBELL, University of Barcelona (UB), L’Hospitalet de Llobregat, 08908 Barcelona, Spain; (E.D.-D.); (A.S.)
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10
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Abstract
Chemotherapy-induced peripheral neurotoxicity (CIPN) is a major dose-limiting side effect of many anti-cancer agents, including taxanes, platinums, vinca alkaloids, proteasome inhibitors, immunomodulatory drugs, and antibody-drug conjugates. The resultant symptoms often persist post treatment completion and continue to impact on long-term function and quality of life for cancer survivors. At present, dose reduction remains the only strategy to prevent severe neuropathy, often leading clinicians to the difficult decision of balancing maximal treatment exposure and minimal long-lasting side effects. This review examines the clinical presentations of CIPN with each class of neurotoxic treatment, describing signs, symptoms, and long-term outcomes. We provide an update on the proposed mechanisms of nerve damage and review current data on clinical and genetic risk factors contributing to CIPN development. We also examine recent areas of research in the treatment and prevention of CIPN, with specific focus on current clinical trials and consensus recommendations for CIPN management.
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11
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Merheb D, Dib G, Zerdan MB, Nakib CE, Alame S, Assi HI. Drug-Induced Peripheral Neuropathy: Diagnosis and Management. Curr Cancer Drug Targets 2021; 22:49-76. [PMID: 34288840 DOI: 10.2174/1568009621666210720142542] [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: 01/28/2021] [Revised: 05/07/2021] [Accepted: 05/21/2021] [Indexed: 01/09/2023]
Abstract
Peripheral neuropathy comes in all shapes and forms and is a disorder which is found in the peripheral nervous system. It can have an acute or chronic onset depending on the multitude of pathophysiologic mechanisms involving different parts of nerve fibers. A systematic approach is highly beneficial when it comes to cost-effective diagnosis. More than 30 causes of peripheral neuropathy exist ranging from systemic and auto-immune diseases, vitamin deficiencies, viral infections, diabetes, etc. One of the major causes of peripheral neuropathy is drug induced disease, which can be split into peripheral neuropathy caused by chemotherapy or by other medications. This review deals with the latest causes of drug induced peripheral neuropathy, the population involved, the findings on physical examination and various workups needed and how to manage each case.
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Affiliation(s)
- Diala Merheb
- Department of Internal Medicine, Saint George Hospital University Medical Center, Beirut, Lebanon
| | - Georgette Dib
- Department of Internal Medicine, Division of Neurology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Maroun Bou Zerdan
- Department of Internal Medicine, Division of Hematology and Oncology, Naef K. Basile Cancer Institute, American University of Beirut Medical Center, Beirut, Lebanon
| | - Clara El Nakib
- Department of Internal Medicine, Division of Hematology and Oncology, Naef K. Basile Cancer Institute, American University of Beirut Medical Center, Beirut, Lebanon
| | - Saada Alame
- Department of Pediatrics, Clemenceau Medical Center, Faculty of Medical Sciences, Lebanese University, Beirut,, Lebanon
| | - Hazem I Assi
- Department of Internal Medicine Naef K. Basile Cancer Institute American University of Beirut Medical Center Riad El Solh 1107 2020 Beirut, Lebanon
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12
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Li T, Timmins HC, Lazarus HM, Park SB. Peripheral neuropathy in hematologic malignancies – Past, present and future. Blood Rev 2020; 43:100653. [DOI: 10.1016/j.blre.2020.100653] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/13/2019] [Accepted: 01/14/2020] [Indexed: 02/06/2023]
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13
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Fargeot G, Dupel-Pottier C, Stephant M, Lazarovici J, Thomas L, Mouthon-Reignier C, Riad B, Carde P, Berzero G, Tafani C, Nicolas W, Viala K, Maisonobe T, Lenglet T, Wang A, Magy L, Bihan K, Gaspar N, Adams D, Echaniz-Laguna A, Cauquil C, Psimaras D. Brentuximab vedotin treatment associated with acute and chronic inflammatory demyelinating polyradiculoneuropathies. J Neurol Neurosurg Psychiatry 2020; 91:786-788. [PMID: 32327451 DOI: 10.1136/jnnp-2020-323124] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/06/2020] [Accepted: 04/08/2020] [Indexed: 01/20/2023]
Affiliation(s)
- Guillaume Fargeot
- Department of Neurology, French National Reference Center for Rare Neuropathies, Bicêtre Hospital, AP-HP, Le Kremlin-Bicetre, France
| | | | - Maeva Stephant
- Department of Neurology, French National Reference Center for Rare Neuropathies, Bicêtre Hospital, AP-HP, Le Kremlin-Bicetre, France
| | - Julien Lazarovici
- Department of Hematology, Gustave Roussy Institute, Villejuif, France
| | - Laure Thomas
- Regional Pharmacovigilance Center, Henri Mondor Hospital, Créteil, France
| | - Capucine Mouthon-Reignier
- Department of Neurology, Centre Hospitalier Sud Francilien Site Gilles de Corbeil, Corbeil-Essonnes, France
| | - Benramdane Riad
- Department of Hematology, Rene Dubos Hospital, Pontoise, Île-de-France, France
| | - Patrice Carde
- Department of Hematology, Gustave Roussy institute, Paris-Saclay University, Villejuif, France
| | - Giulia Berzero
- AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Service de Neurologie 2-Mazarin et Université Pierre et Marie Curie-Paris 6, Centre de Recherche de l'Institut du Cerveau et de la Moelle Epinière (CRICM), UMRS 975, Paris 75013, France; Inserm U 975, CNRS, UMR 7225, Paris, France
| | - Camille Tafani
- Department of Neurology, Military Training Hospital Percy, Service de Santé des Armées, Paris, France, Military Health Service Academy of Val-de-Grâce, Service de Santé des Armées, Paris, France
| | - Weiss Nicolas
- Département de Neurologie, Unité de Médecine Intensive Réanimation neurologique, Sorbonne Université, Brain Liver Pitié-Salpêtrière (BLIPS) Study Group, INSERM UMR_S 938, Centre de recherche Saint-Antoine, Maladies métaboliques, biliaires et fibro-inflammatoire du foie, Institute of Cardiometabolism and Nutrition (ICAN), AP-HP. Sorbonne Université, Hôpital Pitié-Salpêtrière, Paris, France
| | - Karine Viala
- Department of Clinical Neurophysiology, Hôpitaux universitaires Pitié-Salpêtrière-Charles Foix. Assistance Publique Hôpitaux de Paris (APHP), Paris, France
| | - Thierry Maisonobe
- Department of Clinical Neurophysiology, Hôpitaux universitaires Pitié-Salpêtrière-Charles Foix. Assistance Publique Hôpitaux de Paris (APHP), Paris, France
| | - Timothée Lenglet
- Department of Clinical Neurophysiology, Hôpitaux universitaires Pitié-Salpêtrière-Charles Foix. Assistance Publique Hôpitaux de Paris (APHP), Paris, France
| | - Adrien Wang
- Department of Neurology, Foch Hospital, Suresnes, France
| | - Laurent Magy
- Department of Neurology, National Reference Center for Rare Peripheral Neuropathies, University Hospital, Limoges, France
| | - Kevin Bihan
- Regional Pharmacovigilance Center, Department of Pharmacology, Pitié-Salpêtrière Hospital, AP-HP, Paris, France
| | - Nathalie Gaspar
- Department of Pediatric and Adolescent Oncology, Gustave Roussy institute, Villejuif, France
| | - David Adams
- Department of Neurology, French National Reference Center for Rare Neuropathies, Bicêtre Hospital, AP-HP, INSERM U1195 & Paris-Saclay University, Le Kremlin-Bicetre, France
| | - Andoni Echaniz-Laguna
- Department of Neurology, French National Reference Center for Rare Neuropathies, Bicêtre Hospital, AP-HP, INSERM U1195 & Paris-Saclay University, Le Kremlin-Bicetre, France
| | - Cecile Cauquil
- Department of Neurology, French National Reference Center for Rare Neuropathies, Bicêtre Hospital, AP-HP, Le Kremlin-Bicetre, France
| | - Dimitri Psimaras
- AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Service de Neurologie 2-Mazarin et Université Pierre et Marie Curie-Paris 6, Centre de Recherche de l'Institut du Cerveau et de la Moelle Epinière (CRICM), UMRS 975, Paris 75013, France; Inserm U 975, CNRS, UMR 7225, Paris 75013, France, Paris, France
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14
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Mariotto S, Carta S, Bozzetti S, Zivelonghi C, Alberti D, Zanzoni S, Filosto M, Fusina S, Monaco S, Castellani F, Mantovani A, Cavallaro T, Briani C, Ferrari S. Sural nerve biopsy: current role and comparison with serum neurofilament light chain levels. J Neurol 2020; 267:2881-2887. [PMID: 32462349 DOI: 10.1007/s00415-020-09949-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 05/22/2020] [Accepted: 05/23/2020] [Indexed: 12/18/2022]
Abstract
The diagnosis of peripheral neuropathies can be challenging with consequent difficulties in patients' management. The aim of this study was to explore the current diagnostic role of sural nerve biopsy and to compare pathological findings with serum neurofilament light chain levels (NfL) as biomarkers of axonal damage. We collected demographic, clinical, and paraclinical data of patients referred over 1 year to the Neurology Unit, University of Verona, Italy, to perform nerve biopsy for diagnostic purposes, and we analyzed NfL levels in available paired sera using a high sensitive technique (Quanterix, Simoa). Eighty-two patients were identified (37.8% females, median age 65.5 years). Neuropathy onset was frequently insidious (68.3%) with a slowly progressive course (76.8%). Lower limbs were usually involved (81.7%), with a predominance of sensory over motor symptoms (74.4% vs 42.7%). The most common neuropathological findings were a demyelinating pattern (76.8%), clusters of regenerations (58.5%), and unmyelinated fibers involvement on ultrastructural evaluation (52.4%). A definite pathological diagnosis was achieved in 29 cases, and in 20.7% of patients, the referral clinical diagnosis was modified. Coexistent hematological conditions and hepatitis were diagnostic confounding factors (p = 0.012 and 0.034, respectively). In the analyzed paired sera (n = 37), an inverse despite not significant relationship between NfL values and fiber density was observed (Spearman's rho - 0.312, p = 0.056). In addition, we noted increased serum NfL values of patients with active axonal degeneration. Nerve biopsy remains a useful diagnostic investigation to achieve a correct diagnosis and guide patients' management in selected cases of peripheral neuropathy. Serum NfL is an accessible and potential valuable marker of axonal damage in these conditions.
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Affiliation(s)
- Sara Mariotto
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy.
| | - Sara Carta
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
| | - Silvia Bozzetti
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
| | - Cecilia Zivelonghi
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
| | - Daniela Alberti
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
| | - Serena Zanzoni
- Centro Piattaforme Tecnologiche, University of Verona, Verona, Italy
| | | | - Simone Fusina
- Neurology Unit, S. Bonifacio Hospital, Verona, Italy
| | - Salvatore Monaco
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
| | | | - Alessandro Mantovani
- Section of Endocrinology, Diabetes and Metabolism, University and Azienda Ospedaliera, Universitaria Integrata of Verona, Verona, Italy
| | - Tiziana Cavallaro
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
| | - Chiara Briani
- Department of Neurosciences, University of Padova, Padua, Italy
| | - Sergio Ferrari
- Neurology Unit, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Policlinico GB Rossi, P.le LA Scuro 10, 37134, Verona, Italy
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15
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Mariotto S, Tecchio C, Sorio M, Bertolasi L, Turatti M, Tozzi MC, Benedetti F, Cavaletti G, Monaco S, Ferrari S. Clinical and neurophysiological serial assessments of brentuximab vedotin-associated peripheral neuropathy. Leuk Lymphoma 2019; 60:2806-2809. [DOI: 10.1080/10428194.2019.1605068] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Sara Mariotto
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Cristina Tecchio
- Department of Clinical and Experimental Medicine, Hematology and Bone Marrow Transplant Unit, University of Verona, Verona, Italy
| | - Marco Sorio
- Department of Clinical and Experimental Medicine, Hematology and Bone Marrow Transplant Unit, University of Verona, Verona, Italy
| | - Laura Bertolasi
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Marco Turatti
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Maria C. Tozzi
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Fabio Benedetti
- Department of Clinical and Experimental Medicine, Hematology and Bone Marrow Transplant Unit, University of Verona, Verona, Italy
| | - Guido Cavaletti
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Salvatore Monaco
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Sergio Ferrari
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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16
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Cini E, Faltoni V, Petricci E, Taddei M, Salvini L, Giannini G, Vesci L, Milazzo FM, Anastasi AM, Battistuzzi G, De Santis R. Antibody drug conjugates (ADCs) charged with HDAC inhibitor for targeted epigenetic modulation. Chem Sci 2018; 9:6490-6496. [PMID: 30288233 PMCID: PMC6144071 DOI: 10.1039/c7sc05266a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 06/26/2018] [Indexed: 12/13/2022] Open
Abstract
We describe here two novel antibody-drug conjugates loaded with the HDAC inhibitor ST7612AA1 (IC50 equal to 0.07 μM on NCI-H460 cells), a thiol-based molecule with a moderate toxicity in vivo. Two payloads were prepared using cleavable and non-cleavable linkers. After anchoring to cetuximab through amide bond with lysines, the resulting HDAC inhibitor-antibody conjugates showed ability to recognize EGFR and efficient internalization in tumor cells. Both ADCs induced sensible increment of histones 3 and 4 and alpha-tubulin acetylation. Animal models of human solid tumors showed high anti-tumor efficacy of the conjugates without the toxicity generally observed with traditional ADCs delivering highly potent cytotoxic drugs. These compounds, the first ADCs charged with not highly cytotoxic warheads, are potentially suitable for epigenetic modulation, extending the ADC strategy to the targeted delivery of HDAC inhibitors with many possible therapeutic applications beyond cancer.
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Affiliation(s)
- Elena Cini
- Lead Discovery Siena srl , Via Fiorentina 1 , 53100 Siena , Italy
| | - Valentina Faltoni
- Dipartimento di Biotecnologie , Chimica e Farmacia , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy .
| | - Elena Petricci
- Dipartimento di Biotecnologie , Chimica e Farmacia , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy .
| | - Maurizio Taddei
- Dipartimento di Biotecnologie , Chimica e Farmacia , Università degli Studi di Siena , Via A. Moro 2 , 53100 Siena , Italy .
| | - Laura Salvini
- Fondazione Toscana Life Sciences , Via Fiorentina 1 , 53100 Siena , Italy
| | - Giuseppe Giannini
- R&D Alfasigma S.p.A. , Via Pontina, Km. 30.400 , 00071 Pomezia , Roma , Italy .
| | - Loredana Vesci
- R&D Alfasigma S.p.A. , Via Pontina, Km. 30.400 , 00071 Pomezia , Roma , Italy .
| | | | - Anna Maria Anastasi
- R&D Alfasigma S.p.A. , Via Pontina, Km. 30.400 , 00071 Pomezia , Roma , Italy .
| | | | - Rita De Santis
- R&D Alfasigma S.p.A. , Via Pontina, Km. 30.400 , 00071 Pomezia , Roma , Italy .
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17
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Stranzenbach R, Dippel E, Schlaak M, Stadler R. Alternate dosing regimens of brentuximab vedotin for CD30+ cutaneous T-cell lymphoma: reply from the authors. Br J Dermatol 2017; 178:303. [PMID: 28889619 DOI: 10.1111/bjd.15972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- R Stranzenbach
- Department of Dermatology, Venerology, Allergology and Phlebology, Johannes Wesling Medical Centre, University Hospital of Ruhr-University Bochum, Bochum, Germany
| | - E Dippel
- Department of Dermatology, Klinikum Ludwigshafen, Skin Cancer Centre Rheinpfalz, Ludwigshafen, Germany
| | - M Schlaak
- Department of Dermatology and Venereology, University Hospital Cologne, Skin Cancer Center at Center of Integrated Oncology (CIO Koeln Bonn), Cologne, Germany
| | - R Stadler
- Department of Dermatology, Venerology, Allergology and Phlebology, Johannes Wesling Medical Centre, University Hospital of Ruhr-University Bochum, Bochum, Germany
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18
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Bakogeorgos M, Georgoulias V. Risk-reduction and treatment of chemotherapy-induced peripheral neuropathy. Expert Rev Anticancer Ther 2017; 17:1045-1060. [PMID: 28868935 DOI: 10.1080/14737140.2017.1374856] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
INTRODUCTION Chemotherapy-induced peripheral neuropathy (CIPN), a common adverse effect of several chemotherapeutic agents, has a significant impact on quality of life and may even compromise treatment efficacy, requiring chemotherapy dose reduction or discontinuation. CIPN is predominantly related with sensory rather than motor symptoms and the most common related cytotoxic agents are platinum compounds, taxanes and vinca alkaloids. CIPN symptoms may resolve after treatment cessation, but they can also be permanent and continue for years. Areas covered: We present an overview of CIPN pathophysiology, clinical assessment, prevention and treatment identified through a Pubmed search. Expert commentary: No substantial progress has been made in the last few years within the field of prevention and/or treatment of CIPN, in spite of remarkable efforts. Continuous research could expand our knowledge about chemotherapeutic-specific neuropathic pathways and eventually lead to the conception of innovative and targeted agents for the prevention and/or treatment of this debilitating chemotherapy adverse effect.
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19
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Lewis DJ, Kim YH, Duvic M. Alternate dosing regimens of brentuximab vedotin for CD30+ cutaneous T-cell lymphoma. Br J Dermatol 2017; 178:302-303. [PMID: 28889405 DOI: 10.1111/bjd.15970] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- D J Lewis
- School of Medicine, Baylor College of Medicine, Houston, TX, U.S.A.,Department of Dermatology, The University of Texas MD Anderson Cancer Center, Houston, TX, U.S.A
| | - Y H Kim
- Department of Dermatology, Stanford University School of Medicine, Stanford, CA, U.S.A
| | - M Duvic
- Department of Dermatology, The University of Texas MD Anderson Cancer Center, Houston, TX, U.S.A
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20
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Stagg NJ, Shen BQ, Brunstein F, Li C, Kamath AV, Zhong F, Schutten M, Fine BM. Peripheral neuropathy with microtubule inhibitor containing antibody drug conjugates: Challenges and perspectives in translatability from nonclinical toxicology studies to the clinic. Regul Toxicol Pharmacol 2016; 82:1-13. [PMID: 27773754 DOI: 10.1016/j.yrtph.2016.10.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/15/2016] [Accepted: 10/18/2016] [Indexed: 11/18/2022]
Abstract
Antibody drug conjugates (ADC) consist of potent cytotoxic drugs conjugated to antibodies via chemical linkers, which enables specific targeting of tumor cells while reducing systemic exposure to the cytotoxic drug and improving the therapeutic window. The valine citrulline monomethyl auristatin E (vcMMAE, conventional linker-drug) ADC platform has shown promising clinical activity in several cancers, but peripheral neuropathy (PN) is a frequent adverse event leading to treatment discontinuation and dose reduction. This was not predicted based on nonclinical toxicology studies in monkeys or rats treated with vcMMAE ADCs. We evaluated four hypotheses for the lack of translatability of PN with vcMMAE ADCs: 1) species differences in exposure; 2) insensitivity of animal models; 3) species differences in target biology and other vcMMAE ADC properties in peripheral nerves and 4) increased susceptibility of patient population. The result of this hypothesis-based approach identified opportunities to improve the predictivity of PN in our animal models by increasing duration of exposure and adding an expanded neurohistopathology assessment of peripheral nerves. The utility of a predictive animal model would be to provide possible mitigation strategies in the clinic with vcMMAE ADCs and help to screen the next generation microtubule inhibitor (MTI) ADCs for reduced PN.
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Affiliation(s)
- Nicola J Stagg
- Safety Assessment, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Ben-Quan Shen
- Department of Preclinical & Translational Pharmacokinetics & Pharmacodynamics, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Flavia Brunstein
- Drug Safety, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Chunze Li
- Clinical Pharmacology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Amrita V Kamath
- Department of Preclinical & Translational Pharmacokinetics & Pharmacodynamics, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Fiona Zhong
- Safety Assessment, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Melissa Schutten
- Safety Assessment, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Bernard M Fine
- Clinical Sciences, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
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