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https://www.readbyqxmd.com/read/27895920/pd1-pd-l1-inhibition-as-a-potential-radiosensitizer-in-head-and-neck-squamous-cell-carcinoma-a-case-report
#1
Misako Nagasaka, Mark Zaki, Harold Kim, S Naweed Raza, George Yoo, Ho-Sheng Lin, Ammar Sukari
BACKGROUND: Immunotherapy targeting the checkpoint PD1 (programmed cell death protein 1) or PDL1 (programmed death ligand 1) has led to advances in the treatment of melanoma and non-small cell lung cancer (NSCLC). The use of such therapies has also been introduced into the treatment of other malignancies, including head and neck cancer. The combined effects of checkpoint inhibitors and anti-PD1(L1) antibodies and radiation therapy have not yet been sufficiently investigated. CASE PRESENTATION: We report a case of locally relapsed non-resectable oral cavity squamous cell carcinoma, with excellent local control after pembrolizumab (MK3475) followed by radiotherapy...
2016: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/27892773/real-world-data-on-nivolumab-treatment-of-non-small-cell-lung-cancer
#2
O T Brustugun, M Sprauten, Å Helland
BACKGROUND: Checkpoint inhibitors have proven effectiveness in clinical trials for non-small cell lung cancer (NSCLC) patients, but if this is congruent with routine patient care is discussed. We present real-world experience with the PD1-inhibitor nivolumab in NSCLC. PATIENTS AND METHODS: Patients with NSCLC were considered eligible for nivolumab treatment after one or more lines of chemotherapy, and when in reasonable performance status (PS) [Eastern Cooperative Oncology Group (ECOG) < 3]...
November 28, 2016: Acta Oncologica
https://www.readbyqxmd.com/read/27821490/suppression-of-type-i-ifn-signaling-in-tumors-mediates-resistance-to-anti-pd-1-treatment-that-can-be-overcome-by-radiotherapy
#3
Xiaohong Wang, Jonathan E Schoenhals, Ailin Li, David R Valdecanas, Huiping Ye, Fenglin Zhang, Chad Tang, Ming Tang, Chang-Gong Liu, Xiuping Liu, Sunil Krishnan, James P Allison, Padmanee Sharma, Patrick Hwu, Ritsuko Komaki, Willem W Overwijk, Daniel R Gomez, Joe Y Chang, Stephen M Hahn, Maria Angelica Cortez, James W Welsh
Immune checkpoint therapies exhibit impressive efficacy in some patients with melanoma or lung cancer, but the lack of response in most cases presses the question of how general efficacy can be improved. In addressing this question, we generated a preclinical tumor model to study anti-PD-1 resistance by in vivo passaging of Kras-mutated, p53-deficient murine lung cancer cells (p53R172HΔg/+K-rasLA1/+) in a syngeneic host exposed to repetitive dosing with anti-mouse PD-1 antibodies. PDL1 (CD274) expression did not differ between the resistant and parental tumor cells...
November 7, 2016: Cancer Research
https://www.readbyqxmd.com/read/27775076/multiplatform-based-molecular-subtypes-of-non-small-cell-lung-cancer
#4
F Chen, Y Zhang, E Parra, J Rodriguez, C Behrens, R Akbani, Y Lu, J M Kurie, D L Gibbons, G B Mills, I I Wistuba, C J Creighton
Non-small-cell lung cancer (NSCLC) demonstrates remarkable molecular diversity. With the completion of The Cancer Genome Atlas (TCGA), there is opportunity for systematic analyses of the entire TCGA NSCLC cohort, including comparisons and contrasts between different disease subsets. On the basis of multidimensional and comprehensive molecular characterization (including DNA methylation and copy, and RNA and protein expression), 1023 NSCLC cases-519 from TCGA adenocarcinoma (AD) project and 504 from TCGA squamous cell carcinoma (SQCC) project-were classified using a 'cluster-of-clusters' analytic approach...
October 24, 2016: Oncogene
https://www.readbyqxmd.com/read/27769776/immunotherapy-of-lung-malignancies-from-gene-sequencing-to-novel-therapies
#5
J Chee, B W S R Robinson, R A Holt, J Creaney
Harnessing the immune system to fight cancer is an exciting advancement in lung cancer therapy. Anti-tumor immunity can be augmented by checkpoint blockade therapy, which removes the inhibition/brakes imposed on the immune system by the tumor. Checkpoint blockade therapy with anti-PD1/anti-PDL1 antibodies causes tumor regression in around 25% of lung cancer patients. In another approach, the immune system is forced or accelerated to attack the tumour, via augmentation of the anti-tumour response against mutations carried by each lung tumour...
October 18, 2016: Chest
https://www.readbyqxmd.com/read/27743638/prognostic-significance-of-programmed-cell-death-ligand-1-expression-in-patients-with-resected-lung-adenocarcinoma
#6
Jung-Jyh Hung, Shiu-Feng Huang, Ying-Ying Shen, Yu-Chung Wu, Teh-Ying Chou, Wen-Hu Hsu
BACKGROUND: The programmed cell death-ligand 1 (PD-L1) pathway plays an important role in maintaining immune homeostasis. The PD-L1 pathway may also protect tumors from attack by cytotoxic T cells. Blockade of programmed cell death 1 (PD1) or PD-L1 induced durable tumor regression in patients with advanced cancers, including non-small cell lung cancer (NSCLC). However, the prognostic value of PD-L1 expression in patients with lung adenocarcinoma remains controversial. METHODS: A total of 112 patients with resected lung adenocarcinoma were included in the study...
October 12, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27741091/analysis-of-the-abscopal-effect-with-anti-pd1-therapy-in-patients-with-metastatic-solid-tumors
#7
Jéssica Ribeiro Gomes, Rafael A Schmerling, Carolina K Haddad, Douglas J Racy, Robson Ferrigno, Erlon Gil, Pedro Zanuncio, Antônio C Buzaid
Abscopal effect is a rare phenomenon characterized by tumor regression of untreated metastatic lesions after a local therapy (eg, radiotherapy). We studied the probability of abscopal effect with radiotherapy associated with anti-programmed death cell 1 (PD1) therapy after progression on anti-PD1. This study is a retrospective analysis of patients treated with nivolumab or pembrolizumab for melanoma, non-small cell lung cancer (NSCLC) and renal cancer at Antônio Ermírio de Moraes Oncology Center, Brazil. To be eligible for this analysis, patients must have had unequivocal evidence of disease progression on anti-PD1 therapy and subsequent radiotherapy for any tumor site while still receiving anti-PD1...
November 2016: Journal of Immunotherapy
https://www.readbyqxmd.com/read/27739129/anti-pd1-induced-psoriasis-a-study-of-21-patients
#8
Julie Bonigen, Christine Raynaud-Donzel, José Hureaux, Nora Kramkimel, Astrid Blom, Géraldine Jeudy, Anne-Laure Breton, Thomas Hubiche, Christophe Bedane, Delphine Legoupil, Anne Pham-Ledard, Julie Charles, Maurice Pérol, Emilie Gérard, Patrick Combemale, Daphné Bonnet, Michèle-Léa Sigal, Emmanuel Mahé
Nivolumab (Opdivo(®) ), pembrolizumab (Keytruda(®) ), atezolizumab, and pidilizumabab are anti-PD1 monoclonal antibodies. Nivolumab is licensed in advanced melanoma and second-line therapy of advanced or metastatic non-small cell lung cancer. When activated, the programmed cell death (PD)-1 is implicated in the inhibition of the immune system. Anti-PD1 removes this inhibition and allows the immune system to control tumour cell progression.(1-4) Immune-mediated toxicity of this treatment have been reported, either organ-specific toxicities - i...
October 14, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27676536/p1-49-also-presented-as-pd1-05-the-genomics-of-young-emergent-lung%C3%A2-cancer-track-advanced-nsclc
#9
Barbara Gitlitz, Bonnie Addario, Alicia Sable-Hunt, Silvia Novello, Tiziana Vavala, Ruthia Chen, Marisa Bittoni, S Lani Park, Mark Jennings, Geoffrey Oxnard
No abstract text is available yet for this article.
October 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27676481/pd1-05-also-presented-as-p1-49-the-genomics-of-young-emergent-lung-cancer
#10
Barbara Gitlitz, Bonnie Addario, Alicia Sable-Hunt, Silvia Novello, Tiziana Vavala, Ruthia Chen, Marisa Bittoni, S Lani Park, Mark Jennings, Geoffrey Oxnard
No abstract text is available yet for this article.
October 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27610620/elevated-cellular-pd1-pd-l1-expression-confers-acquired-resistance-to-cisplatin-in-small-cell-lung-cancer-cells
#11
Fei Yan, Jiuxia Pang, Yong Peng, Julian R Molina, Ping Yang, Shujun Liu
Although small cell lung cancer (SCLC) is highly responsive to chemotherapies (e.g., cisplatin-etoposide doublet), virtually almost all responsive SCLC patients experience disease recurrence characterized by drug resistance. The mechanisms underlying cisplatin resistance remain elusive. Here we report that cell-intrinsic expression of PD1 and PD-L1, two immune checkpoints, is required for sustained expansion of SCLC cells under cisplatin selection. Indeed, PD1 and PD-L1 were expressed at a higher level in lung cancer cell lines, tumor tissues, and importantly, in SCLC cells resistant to cisplatin (H69R, H82R), when compared to respective controls...
2016: PloS One
https://www.readbyqxmd.com/read/27591097/investigation-of-pd-l1-biomarker-testing-methods-for-pd-1-axis-inhibition-in-non-squamous-non-small-cell-lung-cancer
#12
Brandon S Sheffield, Regan Fulton, Steve E Kalloger, Katy Milne, Georgia Geller, Martin Jones, Celine Jacquemont, Susanna Zachara, Eric Zhao, Erin Pleasance, Janessa Laskin, Steven J M Jones, Marco A Marra, Stephen Yip, Brad H Nelson, Allen M Gown, Cheryl Ho, Diana N Ionescu
Inhibitors of the programmed cell death 1 (PD-1) signaling axis have recently demonstrated efficacy and are rapidly being incorporated into the treatment of non-small cell lung cancers (NSCLCs). Despite clear benefits to certain patients, the association of these responses with a predictive biomarker remains uncertain. Several different biomarkers have been proposed, with differing results and conclusions. This study compares multiple methods of biomarker testing for treatment of NSCLCs with PD1-axis inhibitors...
October 2016: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/27566252/genomic-alterations-in-neuroendocrine-cancers-of-the-ovary
#13
George Yaghmour, Philippe Prouet, Eric Wiedower, Omer Hassan Jamy, Rebecca Feldman, Jason C Chandler, Manjari Pandey, Mike G Martin
BACKGROUND: As we have previously reported, small cell carcinoma of the ovary (SCCO) is a rare, aggressive form of ovarian cancer associated with poor outcomes. In an effort to identify new treatment options, we utilized comprehensive genomic profiling to assess the potential for novel therapies in SCCO. METHODS: Patients with SCCO, SCCO-HT (hypercalcemic type), neuroendocrine tumors of the ovary (NET-O), and small cell carcinoma of the lung (SCLC) profiled by Caris Life Sciences between 2007-2015 were identified...
August 26, 2016: Journal of Ovarian Research
https://www.readbyqxmd.com/read/27562868/adding-checkpoint-inhibitors-to-tyrosine-kinase-inhibitors-targeting-egfr-alk-in-non-small-cell-lung-cancer-a-new-therapeutic-strategy
#14
Samer Tabchi, Hampig Raphael Kourie, Joseph Kattan
After the massive approval of checkpoint inhibitors in the treatment of numerous malignancies and settings, checkpoint inhibitors-based combination therapies are emerging as a new therapeutic modality. Nivolumab and pembrolizumab (anti-PD1 agents) were recently approved as second-line treatment in NSCLC after progression on platinum-doublets. In parallel, targeting EGFR/ALK in NSCLC using tyrosine kinase inhibitors (TKI) demonstrated remarkable outcomes and was approved as standard treatment, in patients with EGFR mutation or ALK rearrangement...
August 25, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27554835/nivolumab-induced-pericardial-tamponade-a-case-report-and-discussion
#15
Igal Kushnir, Ido Wolf
Nivolumab, a programmed death 1 (PD1) inhibitor, belongs to a family of drugs known as immune checkpoint inhibitors that share a similar toxicity profile, which includes rash, pruritus, colitis, hepatitis, pneumonitis and thyroid dysfunction. Nivolumab has a proven efficacy in the treatment of malignant melanoma, non-small cell lung cancer and renal cell carcinoma. We present the case of a 67-year-old male patient with metastatic squamous cell carcinoma of the lung who suffered from a massive pericardial effusion secondary to treatment with nivolumab, which he began in June 2015...
August 24, 2016: Cardiology
https://www.readbyqxmd.com/read/27550451/chemotherapy-induced-il34-enhances-immunosuppression-by-tumor-associated-macrophages-and-mediates-survival-of-chemoresistant-lung-cancer-cells
#16
Muhammad Baghdadi, Haruka Wada, Sayaka Nakanishi, Hirotake Abe, Nanumi Han, Wira Eka Putra, Daisuke Endo, Hidemichi Watari, Noriaki Sakuragi, Yasuhiro Hida, Kichizo Kaga, Yohei Miyagi, Tomoyuki Yokose, Atsushi Takano, Yataro Daigo, Ken-Ichiro Seino
The ability of tumor cells to escape immune destruction and their acquired resistance to chemotherapy are major obstacles to effective cancer therapy. Although immune checkpoint therapies such as anti-PD-1 address these issues in part, clinical responses remain limited to a subpopulation of patients. In this report, we identified IL34 produced by cancer cells as a driver of chemoresistance. In particular, we found that IL34 modulated the functions of tumor-associated macrophages to enhance local immunosuppression and to promote the survival of chemoresistant cancer cells by activating AKT signaling...
October 15, 2016: Cancer Research
https://www.readbyqxmd.com/read/27532025/cardiotoxicity-associated-with-ctla4-and-pd1-blocking-immunotherapy
#17
Lucie Heinzerling, Patrick A Ott, F Stephen Hodi, Aliya N Husain, Azadeh Tajmir-Riahi, Hussein Tawbi, Matthias Pauschinger, Thomas F Gajewski, Evan J Lipson, Jason J Luke
Immune-checkpoint blocking antibodies have demonstrated objective antitumor responses in multiple tumor types including melanoma, non-small cell lung cancer (NSCLC), and renal cell cancer (RCC). In melanoma, an increase in overall survival has been demonstrated with anti-CTLA-4 and PD-1 inhibition. However, a plethora of immune-mediated adverse events has been reported with these agents. Immune-mediated cardiotoxicity induced by checkpoint inhibitors has been reported in single cases with variable presentation, including myocarditis and pericarditis...
2016: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/27509256/cell-autonomous-or-systemic-egfr-blockade-alters-the-immune-environment-in-squamous-cell-carcinomas
#18
Francesca Mascia, Derek T Schloemann, Christophe Cataisson, Katherine M McKinnon, Ludmila Krymskaya, Karen M Wolcott, Stuart H Yuspa
Targeting mutations and amplifications in the EGFR has been successful precision therapy for cancers of the lung, oral cavity and gastrointestinal track. However, a systemic immune reaction manifested by dose-limiting inflammation in the skin and gut has been a consistent adverse effect. To address the possibility that intra-tumoral immune changes contribute to the anti-cancer activity of EGFR inhibition, squamous cancers were produced by syngeneic orthografts of either EGFR null or wildtype mouse primary keratinocytes transduced with an oncogenic H-ras retrovirus...
December 1, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27423391/anti-pd1-antibody-treatment-and-the-development-of-acute-pulmonary-tuberculosis
#19
Kohei Fujita, Tsuyoshi Terashima, Tadashi Mio
Recently, cancer immunotherapy by immune checkpoint inhibitors has been considered one of the pillars for the treatment of cancer. Nivolumab is the first immune checkpoint inhibitor approved for lung cancer treatment in Japan. Although nivolumab has superior survival benefits and fewer adverse events than cytotoxic agents, it can generate dysimmune toxicities, known as immune-related adverse events. Although autoimmune manifestations are well-known immune-related adverse events, the development of infectious diseases is rare...
December 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27398650/pembrolizumab-keytruda
#20
Gerry Kwok, Thomas C C Yau, Joanne W Chiu, Eric Tse, Yok-Lam Kwong
The programmed cell death protein 1 (PD1) is one of the checkpoints that regulates the immune response. Ligation of PD1 with its ligands PDL1 and PDL2 results in transduction of negative signals to T-cells. PD1 expression is an important mechanism contributing to the exhausted effector T-cell phenotype. The expression of PD1 on effector T-cells and PDL1 on neoplastic cells enables tumor cells to evade anti-tumor immunity. Blockade of PD1 is an important immunotherapeutic strategy for cancers. Pembrolizumab (Keytruda) is a humanized monoclonal anti-PD1 antibody that has been extensively investigated in numerous malignancies...
November 2016: Human Vaccines & Immunotherapeutics
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