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https://www.readbyqxmd.com/read/28526721/health-care-resource-utilization-and-associated-costs-among-metastatic-cutaneous-melanoma-patients-treated-with-ipilimumab-intuition-study
#1
Grant A McArthur, Peter Mohr, Paolo Antonio Ascierto, Ana Arance, Ana Banos Hernaez, Peter Kaskel, Michael Weichenthal, Reshma Shinde, Kendall Stevinson
BACKGROUND: There are limited real-world data on health care resource utilization (HCRU) among advanced melanoma patients. The objective of this study was to describe HCRU and health care costs associated with the management of advanced melanoma patients receiving ipilimumab. METHODS: This retrospective multinational, observational study included advanced melanoma patients from Australia, Germany, Italy, and Spain who had received at least 1 dose of ipilimumab. Data extracted from medical charts included inpatient admissions, outpatient visits, surgical procedures, laboratory investigations, radiation therapy, imaging studies, and concomitant medications...
May 19, 2017: Oncologist
https://www.readbyqxmd.com/read/28521478/enhancement-of-antitumor-immunity-by-combination-of-anti-ctla-4-antibody-and-radioimmunotherapy-through-the-suppression-of-tregs
#2
Cheol-Hun Son, Jaeho Bae, Hong-Rae Lee, Kwangmo Yang, You-Soo Park
Cytotoxic T lymphocyte antigen-4 (CTLA-4) is expressed during cluster of differentiation (CD)4+ T-cell activation and terminates immune responses by interrupting CD28-enhanced activation. In addition, CTLA-4 is known to be constitutively expressed in regulatory T-cells (Tregs) and to contribute to immune suppression by enhancing the suppressive function of Tregs. However, the molecular mechanisms underlying CTLA-4-mediated Treg suppression remains incompletely understood. Furthermore, it is uncertain whether the in vivo immune suppressive functions of CTLA-4 are mediated only by a reduction in the level of conventional T-cell activity, or enhancement of Treg function...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28508938/immunotherapy-for-the-treatment-of-uveal-melanoma-current-status-and-emerging-therapies
#3
REVIEW
Kimberly M Komatsubara, Richard D Carvajal
PURPOSE OF REVIEW: Uveal melanoma is a distinct subset of melanoma with a biology and treatment approach that is unique from that of cutaneous melanoma. Here we will review the current data evaluating immunotherapies in both the adjuvant and metastatic settings in uveal melanoma. RECENT FINDINGS: In the adjuvant setting, interferon demonstrated no survival benefit in uveal melanoma, and studies evaluating immune-based strategies such as vaccine therapy are ongoing...
July 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28501941/paracrine-release-of-il-2-and-anti-ctla-4-enhances-the-ability-of-artificial-polymer-antigen-presenting-cells-to-expand-antigen-specific-t-cells-and-inhibit-tumor-growth-in-a-mouse-model
#4
Lei Zhang, Limin Wang, Khawar Ali Shahzad, Tao Xu, Xin Wan, Weiya Pei, Chuanlai Shen
Accumulating evidence indicates that bead-based artificial antigen-presenting cells (aAPCs) are a powerful tool to induce antigen-specific T cell responses in vitro and in vivo. To date, most conventional aAPCs have been generated by coupling an antigen signal (signal 1) and one or two costimulatory signals, such as anti-CD28 with anti-LFA1 or anti-4-1BB (signal 2), onto the surfaces of cell-sized or nanoscale magnetic beads or polyester latex beads. The development of a biodegradable scaffold and the combined use of multiple costimulatory signals as well as third signals for putative clinical applications is the next step in the development of this technology...
May 13, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28500560/radiation-necrosis-with-stereotactic-radiosurgery-combined-with-ctla-4-blockade-and-pd-1-inhibition-for-treatment-of-intracranial-disease-in-metastatic-melanoma
#5
Penny Fang, Wen Jiang, Pamela Allen, Isabella Glitza, Nandita Guha, Patrick Hwu, Amol Ghia, Jack Phan, Anita Mahajan, Hussein Tawbi, Jing Li
Immune checkpoint inhibitors have demonstrated remarkable benefits in cancer patients. However, concern regarding toxicity in the setting of stereotactic radiosurgery (SRS) is often raised. In this study, we characterize radiation necrosis (RN) following immunotherapy and SRS. Melanoma patients treated with SRS and anti-CTLA-4 and/or anti-PD-1 at our institution from January 2006 to December 2015 were retrospectively reviewed. Overall survival (OS) and time to RN were assessed using Kaplan-Meier analysis. Logistic regression and Cox proportional hazards analyses were performed to identify predictors of radiation necrosis-free survival (RNFS) and RN risk...
May 12, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28497847/pathogenesis-clinical-manifestations-and-management-of-immune-checkpoint-inhibitors-toxicity
#6
Alessandro Inno, Giulio Metro, Paolo Bironzo, Antonio M Grimaldi, Elisabetta Grego, Vincenzo Di Nunno, Virginia Picasso, Francesco Massari, Stefania Gori
Immune checkpoint inhibitors have emerged as an effective treatment for several tumor types and their use in clinical practice is expected to further increase in the immediate future. Although these agents are well tolerated, they are associated with a peculiar spectrum of toxicity, which is immune mediated and may potentially affect every organ. However, immune-related adverse events are mostly reversible if promptly diagnosed and adequately treated. Therefore, it is crucial that medical oncologists know how to diagnose and treat immune-related adverse events...
May 8, 2017: Tumori
https://www.readbyqxmd.com/read/28473314/combined-anti-vegf-and-anti-ctla-4-therapy-elicits-humoral-immunity-to-galectin-1-which-is-associated-with-favorable-clinical-outcomes
#7
Xinqi Wu, Jingjing Li, Erin M Connolly, Xiaoyun Liao, Jing Ouyang, Anita Giobbie-Hurder, Donald Lawrence, David McDermott, George Murphy, Jun Zhou, Matthias Piesche, Glenn Dranoff, Scott Rodig, Margaret Shipp, F Stephen Hodi
The combination of anti-VEGF blockade (bevacizumab) with immune checkpoint anti-CTLA-4 blockade (ipilimumab) in a phase I study showed tumor endothelial activation and immune cell infiltration that were associated with favorable clinical outcomes in patients with metastatic melanoma. To identify potential immune targets responsible for these observations, post-treatment plasma from long-term responding patients were used to screen human protein arrays. We reported that ipilimumab plus bevacizumab therapy elicited humoral immune responses to galectin-1 (Gal-1) which exhibits pro-tumor, pro-angiogenesis, and immunosuppressive activities in 37...
May 4, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28444111/pattern-recognition-receptors-immune-targets-to-enhance-cancer-immunotherapy
#8
T Shekarian, S Valsesia-Wittmann, J Brody, M C Michallet, S Depil, C Caux, A Marabelle
Durable tumor responses and significant levels of disease control rates have been described in more than 20 advanced/metastatic cancer types with B7-family immune checkpoint-targeted anti-CTLA-4, anti-PD-1, and anti-PD-L1 monoclonal antibodies. These results and the recent approvals of ipilimumab, pembrolizumab, nivolumab and atezolizumab are currently revolutionizing the way we envision the future of cancer care. However these clinical benefits are not observed in all cancer types and in every patient. Therefore, our clinical challenge is to identify therapeutic strategies which could overcome the primary and secondary resistances to these novel cancer immunotherapies...
April 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28435391/programmed-cell-death-1-checkpoint-inhibitors-in-the-treatment-of-patients-with-advanced-melanoma
#9
REVIEW
Jacek Mackiewicz, Andrzej Mackiewicz
The treatment landscape of advanced melanoma has changed significantly following the discovery and marketing authorisation of immune checkpoints inhibitors. Ipilimumab (anti-CTLA-4) was the first one to be approved, and it. demonstrated long-term survival in about 20% of patients. Subsequently, anti-programmed cell death-1 (a-PD-1) antibodies (pembrolizuamb, nivolumab), inhibitors of PD-1/programmed cell death-1 ligand (PD1-L) synapse, showed higher clinical efficacy with lower toxicity comparing to ipilimumab...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28432648/rationale-for-new-checkpoint-inhibitor-combinations-in-melanoma-therapy
#10
Mario Mandalà, Carlo Tondini, Barbara Merelli, Daniela Massi
The use of monoclonal antibodies that block immunologic checkpoints, which mediate adaptive immune resistance, has revolutionized the treatment of metastatic melanoma patients. Specifically, targeting single immune suppressive molecules such as cytotoxic T lymphocyte-associated protein 4 (CTLA-4), or programmed cell death protein 1 (PD-1) expressed on T cells or its primary ligand, programmed cell death ligand 1 (PD-L1), resulted in pronounced clinical benefit for a subset of melanoma patients. Although single-agent immune checkpoint inhibitor therapy has demonstrated promising clinical activity in metastatic melanoma patients, there is still a significant proportion of patients who show primary resistance to these therapies...
April 21, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28428880/long-term-complete-remission-with-ipilimumab-in-metastatic-castrate-resistant-prostate-cancer-case-report-of-two-patients
#11
Luc Cabel, Elika Loir, Gwenaelle Gravis, Pernelle Lavaud, Christophe Massard, Laurence Albiges, Giulia Baciarello, Yohann Loriot, Karim Fizazi
BACKGROUND: Prostate cancer is one of the most common cancers in men and the fourth leading cause of cancer mortality worldwide. Although major progress has been achieved in the last years for patients with metastatic castrate-resistant prostate cancer (mCRPC), thanks to next-generation androgen receptor axis targeted drugs, taxanes, and bone-targeted agents, immunotherapy has not been widely approved and used for the treatment of prostate cancer. Two large studies with ipilimumab, an anti-CTLA-4 (cytotoxic T-lymphocyte antigen 4) antibody reported improved progression-free survival, but not statistically improved overall survival at the primary analysis (CA184 043 and CA184 095)...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28426103/neurotoxicity-from-immune-checkpoint-inhibition-in-the-treatment-of-melanoma-a-single-centre-experience-and-review-of-the-literature
#12
L Spain, G Walls, M Julve, K O'Meara, T Schmid, E Kalaitzaki, S Turajlic, M Gore, J Rees, J Larkin
Background: Treatment with immune checkpoint inhibitors (ICPi) has greatly improved survival for patients with advanced melanoma in recent years. Anti-CTLA-4 and anti-PD1 antibodies have been approved following large Phase III trials. Immune-related neurological toxicity of varying severity has been reported in the literature. The cumulative incidence of neurotoxicity among ipilimumab, nivolumab and pembrolizumab is reported as <1% in published clinical trials. We aimed to identify the incidence of neurotoxicity in our institution across anti-CTLA4 and anti-PD-1 antibodies, including the combination of ipilimumab with nivolumab...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28423678/influence-of-ipilimumab-on-expanded-tumour-derived-t-cells-from-patients-with-metastatic-melanoma
#13
Jon Bjoern, Rikke Lyngaa, Rikke Andersen, Lisbet Hölmich Rosenkrantz, Sine Reker Hadrup, Marco Donia, Inge Marie Svane
INTRODUCTION: Tumour infiltrating lymphocyte (TIL) based adoptive cell therapy (ACT) is a promising treatment for patients with advanced melanoma. Retrospective studies suggested an association between previous treatment with anti-CTLA-4 antibodies and long term survival after subsequent ACT. Thus, we hypothesized that treatment with anti-CTLA-4 antibodies can induce favourable changes to be detected in TILs. RESULTS: Expanded T cells from Ipilimumab treated patients had a higher proportion of cells expressing CD27, intracellular CTLA-4, TIM-3 and LAG-3...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416753/synergistic-effects-of-the-immune-checkpoint-inhibitor-ctla-4-combined-with-the-growth-inhibitor-lycorine-in-a-mouse-model-of-renal-cell-carcinoma
#14
Xiezhao Li, Peng Xu, Chongshan Wang, Naijin Xu, Abai Xu, Yawen Xu, Takuya Sadahira, Motoo Araki, Koichiro Wada, Eiji Matsuura, Masami Watanabe, Junxia Zheng, Pinghua Sun, Peng Huang, Yasutomo Nasu, Chunxiao Liu
Renal cell carcinoma (RCC) management has undergone a major transformation over the past decade; immune checkpoint inhibitors are currently undergoing clinical trials and show promising results. However, the effectiveness of immune checkpoint inhibitors in patients with metastatic RCC (mRCC) is still limited. Lycorine, an alkaloid extracted from plants of the Amaryllidaceae family, is touted as a potential anti-cancer drug because of its demonstrative growth inhibition capacity (induction of cell cycle arrest and inhibition of vasculogenic mimicry formation)...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28403786/immune-checkpoint-inhibitors-and-cardiac-toxicity-an-emerging-issue
#15
Gilda Varricchi, Giancarlo Marone, Valentina Mercurio, Maria Rosaria Galdiero, Domenico Bonaduce, Carlo G Tocchetti
Although survival of patients with different types of cancer has improved, cardiotoxicity induced by anti-neoplastic drugs remains a critical issue. Cardiac dysfunction after treatment with anthracyclines has historically been a major problem. However, also targeted therapies and biological molecules can induce reversible and irreversible cardiac dysfunction. Cancer immunotherapies over the last years have revolutionized the clinical management of a wide spectrum of solid and hematopoietic malignancies previously endowed with poor prognosis...
April 7, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28401596/successful-retreatment-with-combined-braf-mek-inhibition-in-metastatic-brafv600-mutated-melanoma
#16
Valerie C Amann, Dorothée Hoffmann, Joanna Mangana, Reinhard Dummer, Simone M Goldinger
BACKGROUND: The combination treatment with BRAF- and MEK-inhibitors is amongst the current standard of care for stage IIIC/IV BRAF-mutated melanoma. However, therapeutic options are limited once patients have progressed upon both targeted and immunotherapy. OBJECTIVE: To investigate whether retreatment with BRAF- and MEK-inhibitor combination is an option for patients with metastatic BRAF-mutated melanoma upon previous progression on kinase inhibitors. METHODS: Two patients with metastatic BRAF-mutated melanoma were rechallenged with BRAF- and MEK-inhibitor combination after progression on targeted therapy and subsequent immunotherapy with anti-CTLA-4 and anti-PD-1 antibodies...
April 12, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28400597/indicators-of-responsiveness-to-immune-checkpoint-inhibitors
#17
Bradley D Shields, Fade Mahmoud, Erin M Taylor, Stephanie D Byrum, Deepanwita Sengupta, Brian Koss, Giulia Baldini, Seth Ransom, Kyle Cline, Samuel G Mackintosh, Ricky D Edmondson, Sara Shalin, Alan J Tackett
Modulation of the immune system can produce anti-tumor responses in various cancer types, including melanoma. Recently, immune checkpoint inhibitors (ICI), in single agent and combination regimens, have produced durable and long-lasting clinical responses in a subset of metastatic melanoma patients. These monoclonal antibodies, developed against CTLA-4 and PD-1, block immune-inhibitory receptors on activated T-cells, amplifying the immune response. However, even when using anti-CTLA-4 and anti-PD-1 in combination, approximately half of patients exhibit innate resistance and suffer from disease progression...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28397508/an-autoimmune-haemolytic-anaemia-secondary-to-ipilimumab-treatment
#18
B Ramos, G Gastal, R K Rovere
BACKGROUND: Melanoma is one of the fastest growing neoplasms worldwide. Treatment of metastatic disease has swiftly shifted in the last decade from generally ineffective chemotherapy regimens to highly effective targeted treatments or immunotherapy, with a range of side effects that differ completely from those of previous treatments for this disease. CASE: We present a case of a 71-year-old man with diagnosis metastatic melanoma. This patient was treated with anti-CTLA-4 antibody ipilimumab...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28381405/coxsackievirus-a21-synergizes-with-checkpoint-inhibitors
#19
(no author information available yet)
Treatment with a combination of a proprietary formulation of coxsackievirus and either an anti-CTLA-4 or anti-PD-1 checkpoint inhibitor yielded a higher response rate in phase I testing for melanoma than any of these drugs given on their own. Because the viral therapy adds little toxicity, it might prove an effective part of a dual regimen, according to interim trial data presented at the American Association for Cancer Research Annual Meeting 2017.
April 5, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28379630/uv-induced-somatic-mutations-elicit-a-functional-t-cell-response-in-the-yummer1-7-mouse-melanoma-model
#20
Jake Wang, Curtis Jamison Perry, Katrina Meeth, Durga Thakral, William Damsky, Goran Micevic, Susan Kaech, Kim Blenman, Marcus Bosenberg
Human melanomas exhibit relatively high somatic mutation burden compared to other malignancies. These somatic mutations may produce neoantigens that are recognized by the immune system, leading to an anti-tumor response. By irradiating a parental mouse melanoma cell line carrying three driver mutations with UVB and expanding a single cell clone, we generated a mutagenized model that exhibits high somatic mutation burden. When inoculated at low cell numbers in immunocompetent C57BL/6J mice, YUMMER1.7 (YUMM Exposed to Radiation) regresses after a brief period of growth...
April 5, 2017: Pigment Cell & Melanoma Research
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