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https://www.readbyqxmd.com/read/29076950/vemurafenib-treatment-for-patients-with-locally-advanced-unresectable-stage-iiic-or-metastatic-melanoma-and-activating-exon-15-braf-mutations-other-than-v600e
#1
Sigrun Hallmeyer, Rene Gonzalez, David H Lawson, Lee D Cranmer, Gerald P Linette, Igor Puzanov, Bret Taback, C Lance Cowey, Antoni Ribas, Gregory A Daniels, Timothy Moore, Geoffrey T Gibney, Hussein Tawbi, Eric Whitman, Geraldine Lee, Yong Mun, Shiyao Liu, Omid Hamid
BRAF mutations are found in ~50% of metastatic melanomas, most commonly in codon V600. Vemurafenib improves progression-free survival and overall survival in patients with advanced BRAF-mutated melanoma. The results of a descriptive study evaluating vemurafenib in patients with advanced melanoma harbouring BRAF mutations other than V600E are reported. Eligible patients with stage IIIC or IV melanoma and non-V600E BRAF mutations received vemurafenib (960 mg, twice daily). End points included investigator-assessed best overall response rate (primary), time to response, duration of response, progression-free survival, overall survival and safety...
December 2017: Melanoma Research
https://www.readbyqxmd.com/read/29058502/axicabtagene-ciloleucel-a-first-in-class-car-t-cell-therapy-for-aggressive-nhl
#2
Zachary J Roberts, Marc Better, Adrian Bot, Margo R Roberts, Antoni Ribas
The development of clinically functional chimeric antigen receptor (CAR) T cell therapy is the culmination of multiple advances over the last three decades. Axicabtagene ciloleucel (formerly KTE-C19) is an anti-CD19 CAR T cell therapy in development for patients with refractory diffuse large B cell lymphoma (DLBCL), including transformed follicular lymphoma (TFL) and primary mediastinal B cell lymphoma (PMBCL). Axicabtagene ciloleucel is manufactured from patients' own peripheral blood mononuclear cells (PBMC) during which T cells are engineered to express a CAR that redirects them to recognize CD19-expressing cells...
October 23, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28994212/high-frequency-of-brain-metastases-after-adjuvant-therapy-for-high-risk-melanoma
#3
Wolfram E Samlowski, James Moon, Merle Witter, Michael B Atkins, John M Kirkwood, Megan Othus, Antoni Ribas, Vernon K Sondak, Lawrence E Flaherty
The incidence of CNS progression in patients with high-risk regional melanoma (stages IIIAN2a-IIIC) is not well characterized. Data from the S0008 trial provided an opportunity to examine the role of CNS progression in treatment failure and survival. All patients were surgically staged. Following wide excision and full regional lymphadenectomy, patients were randomized to receive adjuvant biochemotherapy (BCT) or high-dose interferon alfa-2B (HDI). CNS progression was retrospectively identified from data forms...
November 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28961465/final-analysis-of-a-randomised-trial-comparing-pembrolizumab-versus-investigator-choice-chemotherapy-for-ipilimumab-refractory-advanced-melanoma
#4
Omid Hamid, Igor Puzanov, Reinhard Dummer, Jacob Schachter, Adil Daud, Dirk Schadendorf, Christian Blank, Lee D Cranmer, Caroline Robert, Anna C Pavlick, Rene Gonzalez, F Stephen Hodi, Paolo A Ascierto, April K S Salama, Kim A Margolin, Tara C Gangadhar, Ziwen Wei, Scot Ebbinghaus, Nageatte Ibrahim, Antoni Ribas
AIM: To evaluate the protocol-specified final analysis of overall survival (OS) in the KEYNOTE-002 study (NCT01704287) of pembrolizumab versus chemotherapy in patients with ipilimumab-refractory, advanced melanoma. METHODS: In this randomised, phase II study, eligible patients had advanced melanoma with documented progression after two or more ipilimumab doses, previous BRAF or MEK inhibitor or both, if BRAF(V600) mutant-positive. Patients were randomised to pembrolizumab 2 mg/kg or 10 mg/kg every 3 weeks or investigator-choice chemotherapy...
September 26, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28941311/endocrinopathies-with-use-of-cancer-immunotherapies
#5
Natalie M Villa, Abtin Farahmand, Lin Du, Michael W Yeh, Stephanie Smooke-Praw, Antoni Ribas, Bartosz Chmielowski, Grace Cherry, Angela M Leung
BACKGROUND: Immunomodulatory therapies, including CTLA-4 and PD-1 inhibitors, provide a directed attack against cancer cells by preventing T cell deactivation. However, these drugs also prevent the downregulation of auto-reactive T cells, resulting in immune-related adverse events (IRAEs). Reports show a varied incidence of endocrine IRAEs, ranging from 0% to 63%. OBJECTIVE: To describe the frequency and clinical characteristics of endocrine IRAEs in patients taking cancer immunomodulatory therapies...
September 23, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28886381/oncolytic-virotherapy-promotes-intratumoral-t-cell-infiltration-and-improves-anti-pd-1-immunotherapy
#6
Antoni Ribas, Reinhard Dummer, Igor Puzanov, Ari VanderWalde, Robert H I Andtbacka, Olivier Michielin, Anthony J Olszanski, Josep Malvehy, Jonathan Cebon, Eugenio Fernandez, John M Kirkwood, Thomas F Gajewski, Lisa Chen, Kevin S Gorski, Abraham A Anderson, Scott J Diede, Michael E Lassman, Jennifer Gansert, F Stephen Hodi, Georgina V Long
Here we report a phase 1b clinical trial testing the impact of oncolytic virotherapy with talimogene laherparepvec on cytotoxic T cell infiltration and therapeutic efficacy of the anti-PD-1 antibody pembrolizumab. Twenty-one patients with advanced melanoma were treated with talimogene laherparepvec followed by combination therapy with pembrolizumab. Therapy was generally well tolerated, with fatigue, fevers, and chills as the most common adverse events. No dose-limiting toxicities occurred. Confirmed objective response rate was 62%, with a complete response rate of 33% per immune-related response criteria...
September 7, 2017: Cell
https://www.readbyqxmd.com/read/28864476/recurrent-tumor-cell-intrinsic-and-extrinsic-alterations-during-mapki-induced-melanoma-regression-and-early-adaptation
#7
Chunying Song, Marco Piva, Lu Sun, Aayoung Hong, Gatien Moriceau, Xiangju Kong, Hong Zhang, Shirley Lomeli, Jin Qian, Clarissa C Yu, Robert Damoiseaux, Mark C Kelley, Kimberley B Dahlman, Philip O Scumpia, Jeffrey A Sosman, Douglas B Johnson, Antoni Ribas, Willy Hugo, Roger S Lo
Treatment of advanced BRAF(V600)-mutant melanoma using a BRAF inhibitor or its combination with a MEK inhibitor typically elicits partial responses. We compared the transcriptomes of patient-derived tumors regressing on MAPK inhibitor (MAPKi) therapy against MAPKi-induced temporal transcriptomic states in human melanoma cell lines or murine melanoma in immune-competent mice. Despite heterogeneous dynamics of clinical tumor regression, residual tumors displayed highly recurrent transcriptomic alterations and enriched processes, which were also observed in MAPKi-selected cell lines (implying tumor cell-intrinsic reprogramming) or in bulk mouse tumors (and the CD45-negative or CD45-positive fractions, implying tumor cell-intrinsic or stromal/immune alterations, respectively)...
September 1, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28822576/pembrolizumab-versus-ipilimumab-for-advanced-melanoma-final-overall-survival-results-of-a-multicentre-randomised-open-label-phase-3-study-keynote-006
#8
Jacob Schachter, Antoni Ribas, Georgina V Long, Ana Arance, Jean-Jacques Grob, Laurent Mortier, Adil Daud, Matteo S Carlino, Catriona McNeil, Michal Lotem, James Larkin, Paul Lorigan, Bart Neyns, Christian Blank, Teresa M Petrella, Omid Hamid, Honghong Zhou, Scot Ebbinghaus, Nageatte Ibrahim, Caroline Robert
BACKGROUND: Interim analyses of the phase 3 KEYNOTE-006 study showed superior overall and progression-free survival of pembrolizumab versus ipilimumab in patients with advanced melanoma. We present the final protocol-specified survival analysis. METHODS: In this multicentre, open-label, randomised, phase 3 trial, we recruited patients from 87 academic institutions, hospitals, and cancer centres in 16 countries (Australia, Austria, Belgium, Canada, Chile, Colombia, France, Germany, Israel, Netherlands, New Zealand, Norway, Spain, Sweden, UK, and USA)...
August 16, 2017: Lancet
https://www.readbyqxmd.com/read/28808226/atr-inhibition-facilitates-targeting-of-leukemia-dependence-on-convergent-nucleotide-biosynthetic-pathways
#9
Thuc M Le, Soumya Poddar, Joseph R Capri, Evan R Abt, Woosuk Kim, Liu Wei, Nhu T Uong, Chloe M Cheng, Daniel Braas, Mina Nikanjam, Peter Rix, Daria Merkurjev, Jesse Zaretsky, Harley I Kornblum, Antoni Ribas, Harvey R Herschman, Julian Whitelegge, Kym F Faull, Timothy R Donahue, Johannes Czernin, Caius G Radu
Leukemia cells rely on two nucleotide biosynthetic pathways, de novo and salvage, to produce dNTPs for DNA replication. Here, using metabolomic, proteomic, and phosphoproteomic approaches, we show that inhibition of the replication stress sensing kinase ataxia telangiectasia and Rad3-related protein (ATR) reduces the output of both de novo and salvage pathways by regulating the activity of their respective rate-limiting enzymes, ribonucleotide reductase (RNR) and deoxycytidine kinase (dCK), via distinct molecular mechanisms...
August 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28756137/survival-of-patients-with-advanced-metastatic-melanoma-the-impact-of-novel-therapies-update-2017
#10
REVIEW
Selma Ugurel, Joachim Röhmel, Paolo A Ascierto, Keith T Flaherty, Jean Jacques Grob, Axel Hauschild, James Larkin, Georgina V Long, Paul Lorigan, Grant A McArthur, Antoni Ribas, Caroline Robert, Dirk Schadendorf, Claus Garbe
The treatment of metastatic melanoma is still undergoing a process of major change. The two most important novel therapeutic strategies, selective kinase inhibitors and immune checkpoint blockers, both significantly prolong survival times of patients with advanced metastatic disease. Different agents, dose regimens and combinations have been tested against each other vigorously within these two groups. However, results from prospective head-to-head comparative studies of both strategies are still lacking. We performed an exploratory analysis of survival data from selected clinical trials representative for the new treatment strategies in advanced metastatic melanoma...
September 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28738052/collaborative-care-in-melanoma-the-essential-role-of-the-nurse%C3%A2
#11
John M Kirkwood, Antoni Ribas
This article provides perspective from medical oncologists on the importance of this supplement from the Melanoma Nursing Initiative. The authors (a) delineate the challenges inherent in addressing adverse event (AE) management with newer melanoma therapies, particularly in the community setting; (b) illustrate how advanced practice providers with extensive clinical trial experience in melanoma are in a key position to set the agenda and educate colleagues on best practices in AE management; and
August 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28729151/standard-dose-pembrolizumab-in-combination-with-reduced-dose-ipilimumab-for-patients-with-advanced-melanoma-keynote-029-an-open-label-phase-1b-trial
#12
RANDOMIZED CONTROLLED TRIAL
Georgina V Long, Victoria Atkinson, Jonathan S Cebon, Michael B Jameson, Bernie M Fitzharris, Catriona M McNeil, Andrew G Hill, Antoni Ribas, Michael B Atkins, John A Thompson, Wen-Jen Hwu, F Stephen Hodi, Alexander M Menzies, Alexander D Guminski, Richard Kefford, Benjamin Y Kong, Babak Tamjid, Archana Srivastava, Anna J Lomax, Mohammed Islam, Xinxin Shu, Scot Ebbinghaus, Nageatte Ibrahim, Matteo S Carlino
BACKGROUND: Reduced-dose nivolumab in combination with standard-dose ipilimumab improves objective response and progression-free survival compared with standard-dose ipilimumab alone, but increases toxicity. We assessed the safety and anti-tumour activity of standard-dose pembrolizumab in combination with reduced-dose ipilimumab. METHODS: In this open-label, phase 1b trial, we recruited patients from 12 medical centres in Australia, New Zealand, and the USA. Eligible patients were aged at least 18 years, had advanced melanoma, had an Eastern Coooperative Oncology Group performance status of 0 or 1, had measurable disease according to the Response Evaluation Criteria in Solid Tumors (RECIST) version 1...
September 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28692921/exploring-the-relationship-between-non-suicidal-self-injury-and-borderline-personality-traits-in-young-adults
#13
Daniel Vega, Rafael Torrubia, Àngel Soto, Joan Ribas, Joaquim Soler, Juan Carlos Pascual, Antoni Rodríguez-Fornells, Josep Marco-Pallarés
Non-suicidal self-injury (NSSI) is highly prevalent during late adolescence and young adulthood. There is some evidence of a link between NSSI and Borderline Personality Disorder (BPD), but little is known about the association between BPD traits and the various functions that maintain NSSI. The main purpose of this study was to explore the association between borderline personality traits and NSSI functions in a sample of college students. We also compared NSSI functions in college students who engaged in NSSI to those in an age-matched sample of BPD patients...
July 4, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28652246/mapk-signaling-and-inflammation-link-melanoma-phenotype-switching-to-induction-of-cd73-during-immunotherapy
#14
Julia Reinhardt, Jennifer Landsberg, Jonathan L Schmid-Burgk, Bartomeu Bibiloni Ramis, Tobias Bald, Nicole Glodde, Dorys Lopez-Ramos, Arabella Young, Shin Foong Ngiow, Daniel Nettersheim, Hubert Schorle, Thomas Quast, Waldemar Kolanus, Dirk Schadendorf, Georgina V Long, Jason Madore, Richard A Scolyer, Antoni Ribas, Mark J Smyth, Paul C Tumeh, Thomas Tüting, Michael Hölzel
Evolution of tumor cell phenotypes promotes heterogeneity and therapy resistance. Here we found that induction of CD73, the enzyme that generates immunosuppressive adenosine, is linked to melanoma phenotype switching. Activating MAPK mutations and growth factors drove CD73 expression, which marked both nascent and full activation of a mesenchymal-like melanoma cell state program. Proinflammatory cytokines like TNFα cooperated with MAPK signaling through the c-Jun/AP-1 transcription factor complex to activate CD73 transcription by binding to an intronic enhancer...
September 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28650338/ifn-%C3%AE-related-mrna-profile-predicts-clinical-response-to-pd-1-blockade
#15
RANDOMIZED CONTROLLED TRIAL
Mark Ayers, Jared Lunceford, Michael Nebozhyn, Erin Murphy, Andrey Loboda, David R Kaufman, Andrew Albright, Jonathan D Cheng, S Peter Kang, Veena Shankaran, Sarina A Piha-Paul, Jennifer Yearley, Tanguy Y Seiwert, Antoni Ribas, Terrill K McClanahan
Programmed death-1-directed (PD-1-directed) immune checkpoint blockade results in durable antitumor activity in many advanced malignancies. Recent studies suggest that IFN-γ is a critical driver of programmed death ligand-1 (PD-L1) expression in cancer and host cells, and baseline intratumoral T cell infiltration may improve response likelihood to anti-PD-1 therapies, including pembrolizumab. However, whether quantifying T cell-inflamed microenvironment is a useful pan-tumor determinant of PD-1-directed therapy response has not been rigorously evaluated...
August 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28648698/three-year-pooled-analysis-of-factors-associated-with-clinical-outcomes-across-dabrafenib-and-trametinib-combination-therapy-phase-3-randomised-trials
#16
RANDOMIZED CONTROLLED TRIAL
Dirk Schadendorf, Georgina V Long, Daniil Stroiakovski, Boguslawa Karaszewska, Axel Hauschild, Evgeny Levchenko, Vanna Chiarion-Sileni, Jacob Schachter, Claus Garbe, Caroline Dutriaux, Helen Gogas, Mario Mandalà, John B A G Haanen, Céleste Lebbé, Andrzej Mackiewicz, Piotr Rutkowski, Jean-Jacques Grob, Paul Nathan, Antoni Ribas, Michael A Davies, Ying Zhang, Mathilde Kaper, Bijoyesh Mookerjee, Jeffrey J Legos, Keith T Flaherty, Caroline Robert
AIM: Understanding predictors of long-term benefit with currently available melanoma therapies is the key for optimising individualised treatments. A prior pooled analysis of dabrafenib plus trametinib (D + T)-randomised trials (median follow-up, 20.0 months) identified baseline lactate dehydrogenase (LDH) and number of organ sites with metastasis as predictive factors for progression-free (PFS) and overall (OS) survival. However, longer-term follow-up analyses are needed to confirm which patients treated with D + T can achieve maximum benefit...
September 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28646893/clinical-features-of-serous-retinopathy-observed-with-cobimetinib-in-patients-with-braf-mutated-melanoma-treated-in-the-randomized-cobrim-study
#17
Luis de la Cruz-Merino, Lorenza Di Guardo, Jean-Jacques Grob, Alfredo Venosa, James Larkin, Grant A McArthur, Antoni Ribas, Paolo A Ascierto, Jeffrey T R Evans, Antonio Gomez-Escobar, Giulio Barteselli, Susan Eng, Jessie J Hsu, Anne Uyei, Brigitte Dréno
BACKGROUND: Serous chorioretinopathy has been associated with MEK inhibitors, including cobimetinib. We describe the clinical features of serous retinopathy observed with cobimetinib in patients with BRAF (V600)-mutated melanoma treated in the Phase III coBRIM study. METHODS: In the coBRIM study, 493 patients were treated in two randomly assigned treatment groups: cobimetinib and vemurafenib (n = 247) or vemurafenib (n = 246). All patients underwent prospective ophthalmic examinations at screening, at regular intervals during the study, and whenever ocular symptoms developed...
June 24, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28609660/snapshot-immune-checkpoint-inhibitors
#18
Gabriel Abril-Rodriguez, Antoni Ribas
Immunotherapy has changed the landscape of cancer treatment. Checkpoint blockade therapies unleash breaks in the immune system and induce long-lasting responses. However, a significant number of patients do not respond (innate resistance), and a subset progress after responding (acquired resistance). A better understanding of the molecular mechanisms underlying checkpoint blockade therapies will facilitate the design of novel strategies to treat and prevent resistance. To view this SnapShot, open or download the PDF...
June 12, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28536307/gene-expression-profiling-in-braf-mutated-melanoma-reveals-patient-subgroups-with-poor-outcomes-to-vemurafenib-that-may-be-overcome-by-cobimetinib-plus-vemurafenib
#19
Matthew J Wongchenko, Grant A McArthur, Brigitte Dréno, James Larkin, Paolo A Ascierto, Jeffrey Sosman, Luc Andries, Mark Kockx, Stephen D Hurst, Ivor Caro, Isabelle Rooney, Priti S Hegde, Luciana Molinero, Huibin Yue, Ilsung Chang, Lukas Amler, Yibing Yan, Antoni Ribas
Purpose: The association of tumor gene expression profiles with progression-free survival (PFS) outcomes in patients with BRAF(V600)-mutated melanoma treated with vemurafenib or cobimetinib combined with vemurafenib was evaluated.Experimental Design: Gene expression of archival tumor samples from patients in four trials (BRIM-2, BRIM-3, BRIM-7, and coBRIM) was evaluated. Genes significantly associated with PFS (P < 0.05) were identified by univariate Cox proportional hazards modeling, then subjected to unsupervised hierarchical clustering, principal component analysis, and recursive partitioning to develop optimized gene signatures...
May 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28494868/interferon-receptor-signaling-pathways-regulating-pd-l1-and-pd-l2-expression
#20
Angel Garcia-Diaz, Daniel Sanghoon Shin, Blanca Homet Moreno, Justin Saco, Helena Escuin-Ordinas, Gabriel Abril Rodriguez, Jesse M Zaretsky, Lu Sun, Willy Hugo, Xiaoyan Wang, Giulia Parisi, Cristina Puig Saus, Davis Y Torrejon, Thomas G Graeber, Begonya Comin-Anduix, Siwen Hu-Lieskovan, Robert Damoiseaux, Roger S Lo, Antoni Ribas
PD-L1 and PD-L2 are ligands for the PD-1 immune inhibiting checkpoint that can be induced in tumors by interferon exposure, leading to immune evasion. This process is important for immunotherapy based on PD-1 blockade. We examined the specific molecules involved in interferon-induced signaling that regulates PD-L1 and PD-L2 expression in melanoma cells. These studies revealed that the interferon-gamma-JAK1/JAK2-STAT1/STAT2/STAT3-IRF1 axis primarily regulates PD-L1 expression, with IRF1 binding to its promoter...
May 9, 2017: Cell Reports
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