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Tremelimumab

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https://www.readbyqxmd.com/read/29778737/cancer-immunotherapy-efficacy-and-patients-sex-a-systematic-review-and-meta-analysis
#1
Fabio Conforti, Laura Pala, Vincenzo Bagnardi, Tommaso De Pas, Marco Martinetti, Giuseppe Viale, Richard D Gelber, Aron Goldhirsch
BACKGROUND: Despite the acknowledged sex-related dimorphism in immune system response, little is known about the effect of patients' sex on the efficacy of immune checkpoint inhibitors as cancer treatments. We did a systematic review and meta-analysis to assess the heterogeneity of immune checkpoint inhibitor efficacy between men and women. METHODS: We systematically searched PubMed, MEDLINE, Embase, and Scopus, from database inception to Nov 30, 2017, for randomised controlled trials of immune checkpoint inhibitors (inhibitors of PD-1, CTLA-4, or both) that had available hazard ratios (HRs) for death according to patients' sex...
May 16, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29773326/tremelimumab-combined-with-durvalumab-in-patients-with-mesothelioma-nibit-meso-1-an-open-label-non-randomised-phase-2-study
#2
Luana Calabrò, Aldo Morra, Diana Giannarelli, Giovanni Amato, Armida D'Incecco, Alessia Covre, Arthur Lewis, Marlon C Rebelatto, Riccardo Danielli, Maresa Altomonte, Anna Maria Di Giacomo, Michele Maio
BACKGROUND: Tremelimumab, an anti-CTLA4 monoclonal antibody, initially showed good activity when used alone in patients with mesothelioma, but did not improve the overall survival of patients who failed on first-line or second-line chemotherapy compared with placebo in the DETERMINE study. We aimed to investigate the efficacy and safety of first-line or second-line tremelimumab combined with durvalumab, an anti-PD-L1 monoclonal antibody, in patients with malignant mesothelioma. METHODS: In this open-label, non-randomised, phase 2 trial, patients with unresectable pleural or peritoneal mesothelioma received intravenous tremelimumab (1 mg/kg bodyweight) and durvalumab (20 mg/kg bodyweight) every 4 weeks for four doses, followed by maintenance intravenous durvalumab at the same dose and schedule for nine doses...
May 14, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29742518/immune-checkpoint-inhibitors-in-the-treatment-of-patients-with-neuroendocrine-neoplasia
#3
Matthias M Weber, Christian Fottner
BACKGROUND: Well-differentiated neuroendocrine neoplasms (NENs) are usually controlled by antiproliferative, local ablative and/or radionuclide therapies, whereas poorly differentiated NENs generally require cytotoxic chemotherapy. However, treatment options for patients with advanced/metastatic high-grade NENs remain limited. METHOD: Review of the literature and international congress abstracts on the efficacy and safety of immunotherapy by checkpoint inhibition in advanced/metastatic NENs...
2018: Oncology Research and Treatment
https://www.readbyqxmd.com/read/29722737/role-of-immune-checkpoint-inhibitors-in-small-cell-lung-cancer
#4
Maryann R Cooper, Abdullah M Alrajhi, Cheryl R Durand
BACKGROUND: Small cell lung cancer (SCLC) accounts for approximately 13% of all lung cancer diagnoses each year. SCLC is characterized by a rapid doubling time, early metastatic spread, and an unfavorable prognosis overall. AREAS OF UNCERTAINTY: Most patients with SCLC will respond to initial treatment; however, the majority will experience a disease recurrence and response to second-line therapies is poor. Immune checkpoint inhibitors may be an option given the success in other diseases...
May 2018: American Journal of Therapeutics
https://www.readbyqxmd.com/read/29721177/a-pilot-study-of-durvalumab-and-tremelimumab-and-immunogenomic-dynamics-in-metastatic-breast-cancer
#5
Cesar August Santa-Maria, Taigo Kato, Jae-Hyun Park, Kazuma Kiyotani, Alfred Rademaker, Ami N Shah, Leeaht Gross, Luis Z Blanco, Sarika Jain, Lisa Flaum, Claudia Tellez, Regina Stein, Regina Uthe, William J Gradishar, Massimo Cristofanilli, Yusuke Nakamura, Francis J Giles
Immune checkpoint inhibitors produce modest responses in metastatic breast cancer, however, combination approaches may improve responses. A single arm pilot study was designed to determine the overall response rate (ORR) of durvalumab and tremelimumab, and evaluate immunogenomic dynamics in metastatic endocrine receptor (ER) positive or triple negative breast cancer (TNBC). Simon two-stage design indicated at least four responses from the first 18 patients were needed to proceed with the second stage. T-cell receptor (TCR) sequencing and immune-gene expression profiling were conducted at baseline and two months, whole exome sequencing was conducted at baseline...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29576375/fc-effector-function-contributes-to-the-activity-of-human-anti-ctla-4-antibodies
#6
Frederick Arce Vargas, Andrew J S Furness, Kevin Litchfield, Kroopa Joshi, Rachel Rosenthal, Ehsan Ghorani, Isabelle Solomon, Marta H Lesko, Nora Ruef, Claire Roddie, Jake Y Henry, Lavinia Spain, Assma Ben Aissa, Andrew Georgiou, Yien Ning Sophia Wong, Myles Smith, Dirk Strauss, Andrew Hayes, David Nicol, Tim O'Brien, Linda Mårtensson, Anne Ljungars, Ingrid Teige, Björn Frendéus, Martin Pule, Teresa Marafioti, Martin Gore, James Larkin, Samra Turajlic, Charles Swanton, Karl S Peggs, Sergio A Quezada
With the use of a mouse model expressing human Fc-gamma receptors (FcγRs), we demonstrated that antibodies with isotypes equivalent to ipilimumab and tremelimumab mediate intra-tumoral regulatory T (Treg) cell depletion in vivo, increasing the CD8+ to Treg cell ratio and promoting tumor rejection. Antibodies with improved FcγR binding profiles drove superior anti-tumor responses and survival. In patients with advanced melanoma, response to ipilimumab was associated with the CD16a-V158F high affinity polymorphism...
March 8, 2018: Cancer Cell
https://www.readbyqxmd.com/read/29300693/antibodies-to-watch-in-2018
#7
Hélène Kaplon, Janice M Reichert
The pace of antibody therapeutics development accelerated in 2017, and this faster pace is projected to continue through 2018. Notably, the annual number of antibody therapeutics granted a first approval in either the European Union (EU) or United States (US) reached double-digits (total of 10) for the first time in 2017. The 10 antibodies granted approvals are: brodalumab, dupilumab, sarilumab, guselkumab, benralizumab, ocrelizumab, inotuzumab ozogamicin, avelumab, duvalumab, and emicizumab. Brodalumab, however, had already been approved in Japan in 2016...
February 2018: MAbs
https://www.readbyqxmd.com/read/29239189/-immunotherapy-in-the-treatment-of-lung-cancer
#8
O Fiala, O Šorejs, M Pešek, J Fínek
BACKGROUND: Lung cancer occupies the leading position of cancer incidence and mortality worldwide, including in the Czech Republic. Despite significant advances in systemic oncology treatments, lung cancer still has the worst prognosis, which is driving the need for innovative therapies and methods to treat this disease. Immunotherapy is a developing area of systemic oncology treatment, which has recently begun to be significantly applied to patients with lung carcinoma. The most useful type of immunotherapy currently employs checkpoint inhibitors, including CTLA-4 inhibitors (ipilimumab and tremelimumab) and PD-1/PD-L1 inhibitors (nivolumab, pembrolizumab, durvalumab, and avelumab)...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29145036/liver-immunotolerance-and-hepatocellular-carcinoma-patho-physiological-mechanisms-and-therapeutic-perspectives
#9
REVIEW
Gaël S Roth, Thomas Decaens
At the moment of the diagnosis of hepatocellular carcinoma (HCC), 70% of patients have only access to palliative treatments, with very few therapeutic options. Liver immunology is very specific, and liver immunotolerance is particularly developed because of the constant and massive influx of antigens. Deregulation of hepatic immunotolerance is implicated in chronic liver diseases development and particularly in liver carcinogenesis. For these reasons, HCC may be an excellent candidate for anticancer immunotherapies such as immune checkpoint inhibitors targeting CTLA-4 and PD-L1/PD-1...
December 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29138342/immunotherapy-of-hepatocellular-carcinoma-facts-and-hopes
#10
REVIEW
Mercedes Iñarrairaegui, Ignacio Melero, Bruno Sangro
Treatment of patients with hepatocellular carcinoma (HCC) in the advanced stage remains a great challenge, with very few drugs approved. After decades of failure of immune therapies, immune checkpoint inhibitors have emerged as potentially effective treatments for patients with HCC in the advanced stage. Immune checkpoints, including human cancer, cytotoxic T-lymphocyte protein 4 (CTLA-4), and programmed cell death protein 1 (PD-1), are surface proteins expressed in a variety of immune cells and mostly provide immunosuppressive signals...
April 1, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29137370/comparative-efficacy-and-safety-of-immune-checkpoint-inhibitor-related-therapies-for-advanced-melanoma-a-bayesian-network-analysis
#11
Xin Li, Junpeng Wang, Yun Yao, Lei Yang, Zhiqin Li, Cheng Yu, Peiyan Zhao, Yongli Yu, Liying Wang
Objectives: We aimed to compare and rank the effects of 9 immune checkpoint inhibitor-related therapies for treating advanced melanoma. Methods: We searched Pubmed, Cochrane databases, Web of Science, and ClinicalTrials.gov for randomized controlled trials of the immune checkpoint inhibitor-related treatments for advanced melanoma. Analysis was done on a Bayesian framework. Results: Twelve trials including 5413 patients were identified. Ipilimumab plus nivolumab, nivolumab, and pembrolizumab were significantly more efficacious for progression-free survival (PFS) than ipilimumab (hazard ratio [HR], 0...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29125905/arthritis-after-cancer-immunotherapy-symptom-duration-and-treatment-response
#12
Melanie H Smith, Anne R Bass
OBJECTIVE: Musculoskeletal manifestations of immune related adverse events (irAEs) after checkpoint inhibitor immunotherapy for cancer remain incompletely characterized and poorly understood. A recently published case series suggested that immunotherapy-induced arthritis is an aggressive process requiring high dose corticosteroids. METHODS: This was a retrospective chart review of all patients with musculoskeletal irAEs first seen by one of the authors between 2014 and 2016...
November 10, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28978021/remarkably-similar-ctla-4-binding-properties-of-therapeutic-ipilimumab-and-tremelimumab-antibodies
#13
Mengnan He, Yan Chai, Jianxun Qi, Catherine W H Zhang, Zhou Tong, Yi Shi, Jinghua Yan, Shuguang Tan, George F Gao
Monoclonal antibody based immune checkpoint blockade therapies have achieved clinical successes in management of malignant tumors. As the first monoclonal antibody targeting immune checkpoint molecules entered into clinics, the molecular basis of ipilimumab-based anti-CTLA-4 blockade has not yet been fully understood. In the present study, we report the complex structure of ipilimumab and CTLA-4. The complex structure showed similar contributions from VH and VL of ipilimumab in binding to CTLA-4 front β-sheet strands...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28864844/checkpoint-inhibitors-the-new-treatment-paradigm-for-urothelial-bladder-cancer
#14
REVIEW
Heather Katz, Emnet Wassie, Mohamed Alsharedi
Bladder cancer is the most common malignancy involving the genitourinary system (Siegel et al. in CA Cancer J Clin, 66:7-30, 2016). In the USA, it is the fifth most common cancer and approximately 79,000 new cases will be diagnosed in 2017 (Siegel et al. in CA Cancer J Clin, 66:7-30, 2016). The mortality from bladder cancer is approximately 17,000 deaths each year (Siegel et al. in CA Cancer J Clin, 66:7-30, 2016). The incidence rate for bladder cancer is higher in men compared to women. Risk factors are predominantly related to tobacco smoking, although infection with Schistosoma haematobium is another risk factor in selected populations (Antoni et al...
September 1, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28815047/whole-blood-rna-transcript-based-models-can-predict-clinical-response-in-two-large-independent-clinical-studies-of-patients-with-advanced-melanoma-treated-with-the-checkpoint-inhibitor-tremelimumab
#15
Philip Friedlander, Karl Wassmann, Alan M Christenfeld, David Fisher, Chrisann Kyi, John M Kirkwood, Nina Bhardwaj, William K Oh
BACKGROUND: Tremelimumab is an antibody that blocks CTLA-4 and demonstrates clinical efficacy in a subset of advanced melanoma patients. An unmet clinical need exists for blood-based response-predictive gene signatures to facilitate clinically effective and cost-efficient use of such immunotherapeutic interventions. METHODS: Peripheral blood samples were collected in PAXgene® tubes from 210 treatment-naïve melanoma patients receiving tremelimumab in a worldwide, multicenter phase III study (discovery dataset)...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28807052/whole-blood-rna-transcript-based-models-can-predict-clinical-response-in-two-large-independent-clinical-studies-of-patients-with-advanced-melanoma-treated-with-the-checkpoint-inhibitor-tremelimumab
#16
Philip Friedlander, Karl Wassmann, Alan M Christenfeld, David Fisher, Chrisann Kyi, John M Kirkwood, Nina Bhardwaj, William K Oh
BACKGROUND: Tremelimumab is an antibody that blocks CTLA-4 and demonstrates clinical efficacy in a subset of advanced melanoma patients. An unmet clinical need exists for blood-based response-predictive gene signatures to facilitate clinically effective and cost-efficient use of such immunotherapeutic interventions. METHODS: Peripheral blood samples were collected in PAXgene® tubes from 210 treatment-naïve melanoma patients receiving tremelimumab in a worldwide, multicenter phase III study (discovery dataset)...
August 15, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28733892/comparison-of-recist-to-immune-related-response-criteria-in-patients-with-non-small-cell-lung-cancer-treated-with-immune-checkpoint-inhibitors
#17
Hee Kyung Kim, Mi Hwa Heo, Han Sang Lee, Jong-Mu Sun, Se-Hoon Lee, Jin Seok Ahn, Keunchil Park, Myung-Ju Ahn
PURPOSE: Given that immune-related response in non-small cell lung cancer (NSCLC) has not been well evaluated, we assessed tumor response using the response evaluation criteria in solid tumors, version 1.1 (RECIST v1.1) and immune-related response criteria (irRC) to identify atypical responses in patients with advanced NSCLC treated with immunotherapeutic agents. METHODS: Patients received immune-checkpoint inhibitors (pembrolizumab, atezolizumab, nivolumab, and durvalumab plus tremelimumab) to treat metastatic or recurrent NSCLC after failed platinum-based chemotherapy...
September 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28729154/tremelimumab-as-second-line-or-third-line-treatment-in-relapsed-malignant-mesothelioma-determine-a-multicentre-international-randomised-double-blind-placebo-controlled-phase-2b-trial
#18
RANDOMIZED CONTROLLED TRIAL
Michele Maio, Arnaud Scherpereel, Luana Calabrò, Joachim Aerts, Susana Cedres Perez, Alessandra Bearz, Kristiaan Nackaerts, Dean A Fennell, Dariusz Kowalski, Anne S Tsao, Paul Taylor, Federica Grosso, Scott J Antonia, Anna K Nowak, Maria Taboada, Martina Puglisi, Paul K Stockman, Hedy L Kindler
BACKGROUND: New therapeutic strategies for malignant mesothelioma are urgently needed. In the DETERMINE study, we investigated the effects of the cytotoxic-T-lymphocyte-associated antigen 4 (CTLA-4) monoclonal antibody tremelimumab in patients with previously treated advanced malignant mesothelioma. METHODS: DETERMINE was a double-blind, placebo-controlled, phase 2b trial done at 105 study centres across 19 countries in patients with unresectable pleural or peritoneal malignant mesothelioma who had progressed after one or two previous systemic treatments for advanced disease...
September 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28725427/progressive-hypoventilation-due-to-mixed-cd8-and-cd4-lymphocytic-polymyositis-following-tremelimumab-durvalumab-treatment
#19
Sooraj John, Scott J Antonia, Trevor A Rose, Robert P Seifert, Barbara A Centeno, Aaron S Wagner, Ben C Creelan
BACKGROUND: The combination of CTLA-4 and PD-L1 inhibitors has a manageable adverse effect profile, although rare immune-related adverse events (irAE) can occur. CASE PRESENTATION: We describe an autoimmune polymyositis following a partial response to combination tremelimumab and durvalumab for the treatment of recurrent lung adenocarcinoma. Radiography revealed significant reduction in all metastases; however, the patient developed progressive neuromuscular hypoventilation due to lymphocytic destruction of the diaphragmatic musculature...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28716137/progressive-hypoventilation-due-to-mixed-cd8-and-cd4-lymphocytic-polymyositis-following-tremelimumab-durvalumab-treatment
#20
Sooraj John, Scott J Antonia, Trevor A Rose, Robert P Seifert, Barbara A Centeno, Aaron S Wagner, Ben C Creelan
BACKGROUND: The combination of CTLA-4 and PD-L1 inhibitors has a manageable adverse effect profile, although rare immune-related adverse events (irAE) can occur. CASE PRESENTATION: We describe an autoimmune polymyositis following a partial response to combination tremelimumab and durvalumab for the treatment of recurrent lung adenocarcinoma. Radiography revealed significant reduction in all metastases; however, the patient developed progressive neuromuscular hypoventilation due to lymphocytic destruction of the diaphragmatic musculature...
July 18, 2017: Journal for Immunotherapy of Cancer
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