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https://www.readbyqxmd.com/read/28197389/adaptive-resistance-to-anti-pd1-therapy-by-tim-3-upregulation-is-mediated-by-the-pi3k-akt-pathway-in-head-and-neck-cancer
#1
Gulidanna Shayan, Raghvendra Srivastava, Jing Li, Nicole Schmitt, Lawrence P Kane, Robert L Ferris
Programmed Death 1 (PD-1) and T cell Ig and mucin domain-3 protein (Tim-3) are immune checkpoint receptors that are expressed on tumor-infiltrating lymphocytes (TIL) in tumor-bearing mice and humans. As anti-PD-1 single agent response rates are only <20% in head and neck squamous cell carcinoma (HNSCC) patients, it is important to understand how multiple inhibitory checkpoint receptors maintain suppressed cellular immunity. One such receptor, Tim-3, activates downstream proliferative pathways through Akt/S6, and is highly expressed in dysfunctional TIL...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28180238/atrophic-exocrine-pancreatic-insufficiency-associated-with-anti-pd1-therapy
#2
A Hoadley, N Sandanayake, G V Long
No abstract text is available yet for this article.
November 17, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28179176/peri-srs-administration-of-immune-checkpoint-therapy-for-melanoma-metastatic-to-the-brain-investigating-efficacy-and-the-effects-of-relative-treatment-timing-on-lesion-response
#3
Mehran B Yusuf, Mark J Amsbaugh, Eric Burton, Jason Chesney, Shiao Woo
OBJECTIVE(S): To investigate the efficacy of immune checkpoint therapy (ICT) administered with stereotactic radiosurgery (SRS) and determine the effects of relative treatment timing on lesion response. METHODS: A prospective institutional database of all patients with intact brain metastases treated with SRS from 2007 to 2015 was reviewed for patients diagnosed with malignant melanoma. Lesion response was determined using a modified RECIST v1.1 criteria. Patients were grouped according to if they received ICT and the timing of ICT relative to SRS...
February 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28152786/first-line-treatment-of-metastatic-nsclc-mnsclc-patients-without-actionable-mutations-in-u-s-community-oncology-clinical-practice
#4
Ashwini Arunachalam, Thomas A Burke, Xiting Cao, Amy P Abernethy, David Paul Carbone
: 307 Background: Benchmarking high quality care requires defining optimally effective practice patterns. As first step, contemporary real-world practice must be detailed. The purpose of this study is to describe patient flow from diagnosis of mNSCLC to initiation of anti-cancer drug therapy in patients without known EGFR/ALK genomic tumor aberrations; the characteristics and first-line (1L) anti-cancer treatment of these patients, including induction and maintenance therapy. METHODS: Retrospective database cohort study using data from an oncology EHR system, representing 17% of incident cancer cases from US community setting...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28151378/checkpoint-inhibition-new-treatment-options-in-urologic-cancer
#5
Daan Joost De Maeseneer, Brant Delafontaine, Sylvie Rottey
Both urothelial (UC) and renal cell cancer (RCC) are highly immunogenic tumours. Recent advances in cellular immunity understanding have resulted in a successful new class of therapeutic agents. Interaction between the programmed cell death 1 (PD1) on regulatory T-cells (Treg) and programmed cell death 1 ligand (PDL1) on cancer cells inhibits an effective immune response and is an important mechanism for cancer cells to evade the immune system. Monoclonal anti-PD1 and anti-PDL1 antibodies inhibit this interaction and are called checkpoint inhibitors...
February 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28137295/a-phase-ii-trial-of-stereotactic-body-radiotherapy-with-concurrent-anti-pd1-treatment-in-metastatic-melanoma-evaluation-of-clinical-and-immunologic-response
#6
Katrien De Wolf, Vibeke Kruse, Nora Sundahl, Mireille van Gele, Ines Chevolet, Reinhart Speeckaert, Lieve Brochez, Piet Ost
BACKGROUND: Antibodies blocking programmed cell death 1 (PD-1) have encouraging responses in patients with metastatic melanoma. Response to anti-PD-1 treatment requires pre-existing CD8+ T cells that are negatively regulated by PD-1-mediated adaptive immune resistance. Unfortunately, less than half of melanoma tumours have these characteristics. Combining anti-PD-1 treatment with other immunomodulating treatments to activate CD8+ T cells is therefore of vital importance to increase response rates and long-term survival benefit in melanoma patients...
January 31, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28118483/meta-analysis-of-the-risk-of-immune-related-adverse-events-with-anti-cytotoxic-t-lymphocyte-associated-antigen-4-and-anti-programmed-death-1-therapies
#7
Yuga Komaki, Fukiko Komaki, Akihiro Yamada, Dejan Micic, Akio Ido, Atsushi Sakuraba
We assessed the risks of immune-related adverse events with anti-cytotoxic T-lymphocyte-associated antigen 4 (CTLA4) and anti-programmed death 1 (PD1) therapies by meta-analysis. Twenty-one studies including 11,144 patients were found. Anti-CTLA4 therapy was associated with a significantly higher risk of overall immune-related adverse events, diarrhea, immune-related colitis, pruritus and rash compared to control therapies (relative risk (RR) = 2.43, 2.10, 11.39, 3.88, 3.87, 95% confidence interval (CI) = 1...
January 24, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28088309/-new-therapy-outlooks-in-hodgkin-lymphoma
#8
REVIEW
Cédric Rossi, René-Olivier Casasnovas
Classical Hodgkin lymphoma (HL) is a curable disease in 80% of advanced and 90% of localized stages. An improvement of the HL curability is still possible with the emergence of first-line therapy with a better balance between efficacy and toxicity and early identification patients with high risk of failure requiring specific treatment. 18FDG PET-CT gained a major role in the baseline staging and response assessment to HL treatment. The prognostic value of early PET-CT allowed to develop PET-CT guided therapies able to optimize the balance between efficacy and toxicity including the modulation of the chemotherapy intensity or the omission of radiotherapy for some localized diseases...
February 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28073132/hypothyroidism-in-cancer-patients-on-immune-checkpoint-inhibitors-with-anti-pd1-agents-insights-on-underlying-mechanisms
#9
M Alhusseini, J Samantray
Background: Immune therapy using monoclonal antibodies against cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) and programmed cell death 1 receptor (PD-1) for various cancers have been reported to cause thyroid dysfunction. Little is known, however, about the underlying pathogenic mechanisms and the course of hypothyroidism that subsequently develops. In this report, we use the change in thyroglobulin and thyroid antibody levels in patients on immune therapy who develop hypothyroidism to better understand its pathogenesis as well as examine the status of hypothyroidism in the long term...
January 10, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28064139/neurological-adverse-events-associated-with-immune-checkpoint-inhibitors-review-of-the-literature
#10
REVIEW
S Cuzzubbo, F Javeri, M Tissier, A Roumi, C Barlog, J Doridam, C Lebbe, C Belin, R Ursu, A F Carpentier
Immune checkpoint inhibitors (ICIs) targeting CTLA4 and PD1 constitute a promising class of cancer treatment but are associated with several immune-related disorders. We here review the literature reporting neurological adverse events (nAEs) associated with ICIs. A systematic search of literature, up to February 2016, mentioning nAEs in patients treated with ICIs was conducted. Eligible studies included case reports and prospective trials. One case seen in our ward was also added. Within the 59 clinical trials (totalling 9208 patients) analysed, the overall incidence of nAEs was 3...
March 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28055269/targeting-the-pd-1-pathway-a-new-hope-for-gastrointestinal-cancers
#11
Burak Bilgin, Mehmet A N Sendur, Muhammed Bülent Akıncı, Didem Şener Dede, Bülent Yalçın
BACKGROUND: VEGF, HER2 and EGFR targeted agents are currently used in gastric, esophageal and colorectal cancers. However, treatment outcomes are still poor in most gastrointestinal (GI) cancers. Immune checkpoints are one of the most promising immunotherapy approaches. In this review article, we aim to discuss the efficacy and safety of anti-PD-1/PD-L1 therapies in GI cancers, including gastric, esophageal and colorectal cancer in published or reported recent studies. SCOPE: A literature search was made from PubMed and ASCO Annual Meeting abstracts by using the following search keywords: "nivolumab", "pembrolizumab", "avelumab", "GI cancers" "anti-PD1 therapy" and "anti-PD-L1 therapy"...
January 31, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28031159/evolution-of-neoantigen-landscape-during-immune-checkpoint-blockade-in-non-small-cell-lung-cancer
#12
Valsamo Anagnostou, Kellie N Smith, Patrick M Forde, Noushin Niknafs, Rohit Bhattacharya, James White, Theresa Zhang, Vilmos Adleff, Jillian Phallen, Neha Wali, Carolyn Hruban, Violeta B Guthrie, Kristen Rodgers, Jarushka Naidoo, Hyunseok Kang, William H Sharfman, Christos Georgiades, Franco Verde, Peter Illei, Qing Kay Li, Edward Gabrielson, Malcolm V Brock, Cynthia A Zahnow, Stephen B Baylin, Robert Scharpf, Julie R Brahmer, Rachel Karchin, Drew M Pardoll, Victor E Velculescu
Immune checkpoint inhibitors have shown significant therapeutic responses against tumors containing increased mutation-associated neoantigen load. We have examined the evolving landscape of tumor neoantigens during the emergence of acquired resistance in non-small cell lung cancer patients after initial response to immune checkpoint blockade with anti-PD1 or anti-PD-1/anti-CTLA4 antibodies. Analyses of matched pretreatment and resistant tumors identified genomic changes resulting in loss of 7 to 18 putative mutation-associated neoantigens in resistant clones...
December 28, 2016: Cancer Discovery
https://www.readbyqxmd.com/read/28007774/combined-kit-and-ctla-4-blockade-in-patients-with-refractory-gist-and-other-advanced-sarcomas-a-phase-ib-study-of-dasatinib-plus-ipilimumab
#13
Sandra P D'Angelo, Alexander N Shoushtari, Mary Louise Keohan, Mark A Dickson, Mrinal M Gounder, Ping Chi, Jennifer K Loo, Leigh Gaffney, Lee Schneider, Zarine Patel, Joseph P Erinjeri, Mark Bluth, Ana Sjoberg, Howard Streicher, Naoko Takebe, Li-Xuan Qin, Cristina R Antonescu, Ronald P DeMatteo, Richard D Carvajal, William D Tap
PURPOSE: A phase Ib study of dasatinib plus ipilimumab in GIST and other sarcomas was performed based on pre-clinical data demonstrating that combined KIT and CTLA-4 blockade is synergistic. EXPERIMENTAL DESIGN: A standard 3+3 design was used evaluate the safety, efficacy and immune correlates of treatment. Dose escalation cohorts received ipilimumab 10 or 3 mg/kg every 3 weeks followed by maintenance every 12 weeks with escalating doses of dasatinib (70mg daily, 100 mg daily or 70 mg twice daily)...
December 22, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28003307/pi3k-inhibition-reduces-mammary-tumor-growth-and-facilitates-anti-tumor-immunity-and-anti-pd1-responses
#14
Jiqing Sai, Philip Owens, Sergey V Novitskiy, Oriana E Hawkins, Anna E Vilgelm, Jinming Yang, Tammy Sobolik-Delmaire, Nicole Lavender, Andrew C Johnson, Colt McClain, Gregory D Ayers, Mark C Kelley, Melinda Sanders, Ingrid A Mayer, Harold L Moses, Mark Boothby, Ann Richmond
PURPOSE: Metastatic breast cancers continue to elude current therapeutic strategies, including those utilizing PI3K inhibitors. Given the prominent role of PI3Kα,β in tumor growth and PI3Kγ,δ in immune cell function, we sought to determine whether PI3K inhibition altered anti-tumor immunity. EXPERIMENTAL DESIGN: The effect of PI3K inhibition on tumor growth, metastasis, and anti-tumor immune response was characterized in mouse models utilizing orthotopic implants of 4T1 or PyMT mammary tumors into syngeneic or PI3Kγ null mice, and patient-derived breast cancer xenografts in humanized mice...
December 21, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28003304/genomic-profiling-of-patient-derived-xenografts-for-lung-cancer-identifies-b2m-inactivation-impairing-immunorecognition
#15
Carolina Pereira, Pol Gimenez-Xavier, Eva Pros, Maria J Pajares, Massimo Moro, Antonio Gomez, Alejandro Navarro, Enric Condom, Sebastian Moran, Gonzalo Gómez-López, Osvaldo Graña, Miriam Rubio-Camarillo, Alex Martinez-Martí, Jun Yokota, Julian Carretero, Jose M Galbis, Ernest Nadal, David G Pisano, Gabriella Sozzi, Enriqueta Felip, Luis M Montuenga, Luca Roz, Alberto Villanueva, Montse Sanchez-Cespedes
PURPOSE: We aimed to maximize the performance of detecting genetic alterations in lung cancer (LC) using high-throughput sequencing for patient-derived xenografts (PDXs). EXPERIMENTAL DESIGN: We undertook an integrated RNA and whole-exome sequencing of 14 PDXs. We focused on the genetic and functional analysis of B2-microglobulin (B2M), a component of the HLA class-I complex. RESULTS: We identified alterations in genes involved in various functions, such as B2M involved in immunosurveillance...
December 21, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28000240/epidermal-anti-programmed-cell-death-ligand-1-expression-in-ten-associated-with-nivolumab-therapy
#16
Karina L Vivar, Maria Deschaine, Jane Messina, Jennifer M Divine, Alejandro Rabionet, Nishit Patel, Michael A Harrington, Lucia Seminario-Vidal
BACKGROUND: Nivolumab is an anti-programmed cell death receptor-1 (PD-1) antibody used in the treatment of metastatic or unresectable melanoma. Cutaneous reactions are the most common adverse events reported with these agents and are rarely severe or life-threatening. METHODS: Case report describing the clinicopathological findings of a patient with a fatal toxic epidermal necrolysis (TEN) eruption associated with use of nivolumab for treatment of metastatic melanoma...
December 21, 2016: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27997006/-nivolumab-in-second-line-treatment-of-squamous-non-small-cell-lung-cancer
#17
Filippo De Marinis, Antonio Passaro
The treatment of non-small cell lung cancer (NSCLC) is changing dramatically in the last period, considering both non-squamous and squamous disease. In the last five years, the identification of different molecular predictive biomarker (e.g., EGFR, ALK e ROS1) and the utilize of new chemotherapy agents associated or not with antiangiogenics agents (e.g., bevacizumab and nintedanib), allowed the improvement of survival and related responses to these treatments. However, these advances, did not allow an improvement of the same endpoints in the management of NSCLC with squamous cell histology (SCC), where until very recently, docetaxel in monotherapy remained as a corner stone treatment for the second line, although associated with an unfavorable toxicity profile...
December 2016: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/27969531/ps01-64-effect-of-anti-pd1-therapy-on-the-incidence-of-thromboembolic-events-in%C3%A2-lung-cancer-topic-medical-oncology
#18
Aparna Hegde, Cindy Cherry, Geoff Stroud, Sulochana Cherukuri, Paul R Walker
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27969473/ps01-05-early-and-persistent-oligoclonal-t-cell-expansion-correlates-with-durable-response-to-anti-pd1-therapy-in-nsclc-topic-medical-oncology
#19
Sope Olugbile, Kazuma Kiyotani, Jae-Hyun Park, Philip Hoffman, Livia Szeto, Jyoti Patel, Everett Vokes, Yusuke Nakamura
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27951441/resistance-to-pd1-pdl1-checkpoint-inhibition
#20
REVIEW
Jake S O'Donnell, Georgina V Long, Richard A Scolyer, Michele W L Teng, Mark J Smyth
For the first time in decades, patients with difficult-to-treat cancers such as advanced stage metastatic melanoma are being offered a glimpse of hope in the form of immunotherapies. By targeting factors that foster the development and maintenance of an immunosuppressive microenvironment within tumors, these therapies release the brakes on the host's own immune system; allowing cure of disease. Indeed, phase III clinical trials have revealed that therapies such as ipilimumab and pembrolizumab which target the CTLA4 and PD-1 immune checkpoints, respectively, have raised the three-year survival of patients with melanoma to ∼70%, and overall survival (>5years) to ∼30%...
January 2017: Cancer Treatment Reviews
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