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https://www.readbyqxmd.com/read/29227286/drug-perturbation-based-stratification-of-blood-cancer
#1
Sascha Dietrich, Małgorzata Oleś, Junyan Lu, Leopold Sellner, Simon Anders, Britta Velten, Bian Wu, Jennifer Hüllein, Michelle da Silva Liberio, Tatjana Walther, Lena Wagner, Sophie Rabe, Sonja Ghidelli-Disse, Marcus Bantscheff, Andrzej K Oleś, Mikołaj Słabicki, Andreas Mock, Christopher C Oakes, Shihui Wang, Sina Oppermann, Marina Lukas, Vladislav Kim, Martin Sill, Axel Benner, Anna Jauch, Lesley Ann Sutton, Emma Young, Richard Rosenquist, Xiyang Liu, Alexander Jethwa, Kwang Seok Lee, Joe Lewis, Kerstin Putzker, Christoph Lutz, Davide Rossi, Andriy Mokhir, Thomas Oellerich, Katja Zirlik, Marco Herling, Florence Nguyen-Khac, Christoph Plass, Emma Andersson, Satu Mustjoki, Christof von Kalle, Anthony D Ho, Manfred Hensel, Jan Dürig, Ingo Ringshausen, Marc Zapatka, Wolfgang Huber, Thorsten Zenz
As new generations of targeted therapies emerge and tumor genome sequencing discovers increasingly comprehensive mutation repertoires, the functional relationships of mutations to tumor phenotypes remain largely unknown. Here, we measured ex vivo sensitivity of 246 blood cancers to 63 drugs alongside genome, transcriptome, and DNA methylome analysis to understand determinants of drug response. We assembled a primary blood cancer cell encyclopedia data set that revealed disease-specific sensitivities for each cancer...
December 11, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29222670/venetoclax-for-treating-chronic-lymphocytic-leukaemia-an-evidence-review-group-perspective-of-a-nice-single-technology-appraisal
#2
REVIEW
Hema Mistry, Chidozie Nduka, Martin Connock, Jill Colquitt, Theodoros Mantopoulos, Emma Loveman, Renata Walewska, James Mason
Venetoclax is licensed to treat relapsed or refractory (R/R) chronic lymphocytic leukaemia (CLL). As part of the Single Technology Appraisal (STA) ID944, the National Institute for Health and Care Excellence (NICE) invited AbbVie, the manufacturer, to submit evidence on the use of venetoclax, within its licensed indication. The Evidence Review Group (ERG), Warwick Evidence, was asked to provide an independent and critical review of the submitted evidence. Evidence came from three single-arm trials in CLL patients with or without 17p deletion [del(17p])/TP53 chromosomal abnormalities...
December 8, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/29222278/safety-profiles-of-novel-agent-therapies-in-cll
#3
REVIEW
Inhye E Ahn, Matthew S Davids
A 70-year-old man with relapsed/refractory chronic lymphocytic leukemia has multiple comorbidities including atrial fibrillation (on warfarin for anticoagulation), irritable bowel syndrome, and chronic renal insufficiency. Two years ago, he received bendamustine and rituximab as first-line therapy for chronic lymphocytic leukemia and achieved partial response, but now has relapsed. Fluorescence in situ hybridization cytogenetics reveals deletion 17p. Which novel agent would you recommend for this patient?
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222277/how-should-we-sequence-and-combine-novel-therapies-in-cll
#4
REVIEW
Matthew S Davids
With the recent approval of several effective and well-tolerated novel agents (NAs), including ibrutinib, idelalisib, venetoclax, and obinutuzumab, patients with chronic lymphocytic leukemia (CLL) have more therapeutic options than ever before. The availability of these agents is both an important advance for patients but also a challenge for practicing hematologist/oncologists to learn how best to sequence NAs, both with respect to chemoimmunotherapy (CIT) and to other NAs. The sequencing of NAs in clinical practice should be guided both by an individual patient's prognostic markers, such as FISH and immunoglobulin heavy chain variable region (IGHV)-mutation status, as well as the patient's medical comorbidities and goals of care...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222276/optimizing-frontline-therapy-of-cll-based-on-clinical-and-biological-factors
#5
REVIEW
Kirsten Fischer, Michael Hallek
The heterogeneity of the clinical course of chronic lymphocytic leukemia (CLL) ranges from an indolent course, where patients do not require therapy for many years, to a very aggressive disease, where treatment is required soon after diagnosis and relapses may occur early. The improved tools for prognostication allow predicting the outcome of patients with increasing reliability. Some markers also allow selecting more specific therapies with improved activity in the presence of certain genetic or clinical features of CLL...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222170/imprecision-and-dna-break-repair-biased-towards-incompatible-end-joining-in-leukemia
#6
Franz Josef Gassner, Maria Schubert, Stefan Rebhandl, Karina Spandl, Nadja Zaborsky, Kemal Catakovic, Stephanie Blaimer, Daniel Hebenstreit, Richard Greil, Roland Geisberger
Cancer is a genetic disease caused by mutations and chromosomal abnormalities which contribute to uncontrolled cell growth. In addition, cancer cells can rapidly respond to conventional and targeted therapies by accumulating novel and often specific genetic lesions leading to acquired drug resistance and relapsing disease. In chronic lymphocytic leukemia (CLL), however, diverse chromosomal aberrations often occur. In many cases, improper repair of DNA double strand breaks (DSBs) is a major source for genomic abnormalities...
December 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29212732/the-role-of-rituximab-in-chronic-lymphocytic-leukemia-treatment-and-the-potential-utility-of-biosimilars
#7
REVIEW
Jennifer R Brown, Florence Cymbalista, Jeff Sharman, Ira Jacobs, Pilar Nava-Parada, Anthony Mato
Chronic lymphocytic leukemia (CLL) is managed with observation for asymptomatic or clinically silent disease; pharmacologic intervention is generally required for symptomatic patients with clinically significant adenopathy or cytopenia. In the front-line treatment of CLL, the current standard-of-care includes chemotherapy in combination with an anti-CD20 monoclonal antibody (e.g., rituximab, ofatumumab, or obinutuzumab) or ibrutinib as single agent. Despite the evolving treatment paradigm toward targeted therapy, it is likely that rituximab (plus chemotherapy), with or without targeted agents, will retain a significant role in CLL treatment...
December 6, 2017: Oncologist
https://www.readbyqxmd.com/read/29164976/ibrutinib-and-idelalisib-block-immunophenotypic-changes-associated-with-the-adhesion-and-activation-of-cll-cells-in-the-tumor-microenvironment
#8
Yandong Shen, O Giles Best, Stephen P Mulligan, Richard I Christopherson
The lymph node and bone marrow microenvironments promote the survival and proliferation of CLL cells. Defining the immunophenotype of CLL cells from the tumor microenvironment may help to better understand the mechanisms of action of current therapies and identify novel drug targets. Significant changes in the levels of 25 CD antigens were identified using the DotScan™ antibody microarray following CLL-cell culture with CD40L-expressing fibroblasts. Ibrutinib or idelalisib countered the change in expression of 11 of these antigens (CD23, CD27, CD53, CD58, CD71, CD80, CD84, CD97, CD126, CD150, and FMC7), which have known roles in cell activation and adhesion...
November 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29160119/a-review-of-the-infection-pathogenesis-and-prophylaxis-recommendations-in-patients-with-chronic-lymphocytic-leukemia
#9
Tamar Tadmor, Manfred Welslau, Iwoma Hus
The majority of patients with CLL will suffer from infections during their disease, accounting for approximately 60% of deaths in CLL. Patients are predisposed to infection due to immune defects related to the primary disease, and as a result of therapy. The range of infectious complications has evolved alongside therapeutic advances in the treatment of CLL. More recently several novel therapeutic compounds have been introduced in CLL, whose unique safety profiles will probably have an impact on the prophylaxis and management of infections in these patients...
November 27, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/29159711/treatment-of-richter-s-syndrome
#10
REVIEW
Adalgisa Condoluci, Davide Rossi
Based on the available literature, mostly derived from retrospective or non-randomized phase I or II studies, it is difficult to define an optimized treatment approach for patients developing Richter's syndrome (RS). Early recognition of chronic lymphocytic leukemia (CLL) patients presenting clinical features suspected for a transformation is useful to avoid exposing them to multiple lines of therapy that, being targeted to CLL progression, have poor efficacy against RS. Because of the low specificity (~ 50-60%) of clinical signs of RS (such as rapid and discordant bulky localized lymphadenopathies, elevated LDH levels, emergent physical deterioration, and/or fever in the absence of infection), a 18FDG PET/CT and a biopsy are recommended to confirm RS...
November 21, 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/29152232/recent-therapeutic-advances-in-chronic-lymphocytic-leukemia
#11
REVIEW
Prithviraj Bose, Varsha Gandhi
The last several years have witnessed a paradigm shift in the management of patients with chronic lymphocytic leukemia (CLL). The course of this very heterogeneous disease, traditionally treated with chemotherapeutic agents usually in combination with rituximab, typically has been characterized by remissions and relapses, and survival times vary greatly, depending on intrinsic biological attributes of the leukemia. The developments of the last few years have been transformative, ushering in an era of novel, molecularly targeted therapies, made possible by extensive efforts to elucidate the biology of the disease that predated the new targeted drugs...
2017: F1000Research
https://www.readbyqxmd.com/read/29152058/effective-control-of-acute-myeloid-leukaemia-and-acute-lymphoblastic-leukaemia-progression-by-telomerase-specific-adoptive-t-cell-therapy
#12
Sara Sandri, Francesco De Sanctis, Alessia Lamolinara, Federico Boschi, Ornella Poffe, Rosalinda Trovato, Alessandra Fiore, Sara Sartori, Andrea Sbarbati, Attilio Bondanza, Simone Cesaro, Mauro Krampera, Maria T Scupoli, Michael I Nishimura, Manuela Iezzi, Silvia Sartoris, Vincenzo Bronte, Stefano Ugel
Telomerase (TERT) is a ribonucleoprotein enzyme that preserves the molecular organization at the ends of eukaryotic chromosomes. Since TERT deregulation is a common step in leukaemia, treatments targeting telomerase might be useful for the therapy of hematologic malignancies. Despite a large spectrum of potential drugs, their bench-to-bedside translation is quite limited, with only a therapeutic vaccine in the clinic and a telomerase inhibitor at late stage of preclinical validation. We recently demonstrated that the adoptive transfer of T cell transduced with an HLA-A2-restricted T-cell receptor (TCR), which recognize human TERT with high avidity, controls human B-cell chronic lymphocytic leukaemia (B-CLL) progression without severe side-effects in humanized mice...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29143804/telomeres-and-telomerase-in-hematopoietic-dysfunction-prognostic-implications-and-pharmacological-interventions
#13
REVIEW
Theresa Vasko, Andrea Kaifie, Matthias B Stope, Thomas Kraus, Patrick Ziegler
Leukocyte telomere length (TL) has been suggested as a marker of biological age in healthy individuals, but can also reflect inherited and acquired hematopoietic dysfunctions or indicate an increased turnover of the hematopoietic stem and progenitor cell compartment. In addition, TL is able to predict the response rate of tyrosine kinase inhibitor therapy in chronic myeloid leukemia (CML), indicates clinical outcomes in chronic lymphocytic leukemia (CLL), and can be used as screening tool for genetic sequencing of selected genes in patients with inherited bone marrow failure syndromes (BMFS)...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136511/snapshot-chronic-lymphocytic-leukemia
#14
Elisa Ten Hacken, Romain Guièze, Catherine J Wu
Despite the recent advances in the therapeutic management of Chronic Lymphocytic Leukemia (CLL) patients, this common B cell malignancy still remains incurable. This SnapShot provides an overview of CLL biology and therapy, with a focus on genetics and microenvironmental interactions, which contribute to disease progression and therapy resistance. To view this SnapShot, open or download the PDF.
November 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/29133623/immu-140-a-novel-sn-38-antibody-drug-conjugate-targeting-hla-dr-mediates-dual-cytotoxic-effects-in-hematological-cancers-and-malignant-melanoma
#15
Thomas M Cardillo, Serengulam V Govindan, Maria B Zalath, Diane L Rossi, Yang Wang, Chien-Hsing Chang, David M Goldenberg
HLA-DR is a member of the MHC class II antigen family expressed on hematological and solid tumors.  Antibodies directed against HLA-DR have demonstrated some clinical success, but toxicities limited development.  IMMU-140 is an anti-HLA-DR antibody-drug conjugate comprised of the active metabolite of irinotecan, SN-38, conjugated to a humanized anti-HLA-DR IgG4 antibody (IMMU-114); the IgG4 naked antibody is devoid of immune functions. Our aim was to determine if SN-38, the metabolite of a drug not commonly used in hematopoietic cancers, would be effective and safe when targeted to HLA-DR-expressing tumors...
November 13, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29131027/microrna-194-regulates-lipopolysaccharide-induced-cell-viability-by-inactivation-of-nuclear-factor-%C3%AE%C2%BA-b-pathway
#16
Fei Xie, Lei Yang, Lili Han, Bin Yue
The present study explored the functional role of microRNA (miR)-194 in lipopolysaccharide (LPS) induced lung cell injury, along with the underlying mechanisms and to reveal the potential role in infantile pneumonia. Human fibroblasts WI38 cells were transfected with miR-194 mimic or miR-194 inhibitor, and the transfection efficiency was confirmed by quantitative real-time polymerase chain reaction (qRT-PCR). Thereafter, the cells were treated with or without LPS, and then cell viability, cell apoptosis and mRNA and protein expressions of key proteins of nuclear factor kappa B (NF-κB) pathway including inhibitor of NF-κB (IκB) α, p-65, and B-cell CLL/lymphoma (Bcl) 3 were analyzed...
October 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29128555/combined-haploidentical-and-umbilical-cord-blood-allogeneic-stem-cell-transplantation-for-high-risk-lymphoma-and-cll
#17
Jingmei Hsu, Andrew Artz, Sebastian A Mayer, Danielle Guarner, Michael R Bishop, Ronit Reich-Slotky, Sonali M Smith, June Greenberg, Justin Kline, Rosanna Ferrante, Adrienne A Phillips, Usama Gergis, Hongtao Liu, Wendy Stock, Melissa Cushing, Tsiporah B Shore, Koen van Besien
Limited studies have reported on outcomes for lymphoid malignancy patients receiving alternative donor allogeneic stem cell transplants. We have previously described combining CD34-selected haploidentical grafts with umbilical cord blood (haplo-cord) to accelerate neutrophil and platelet engraftment. Here, we examine the outcome of patients with lymphoid malignancies undergoing haplo-cord transplantation at the University of Chicago and Weill Cornell Medical College. We analyzed 42 lymphoma and CLL patients who underwent haplo-cord allogeneic stem cell transplantation...
November 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29125406/bruton-s-tyrosine-kinase-inhibitors-first-and-second-generation-agents-for-patients-with-chronic-lymphocytic-leukemia-cll
#18
Philip A Thompson, Jan A Burger
The BTK inhibitor ibrutinib is effective in both low- and high-risk CLL patients, achieving durable remissions with continuous therapy in the majority of patients. Ibrutinib lacks myelotoxicity and is generally well tolerated by older and unfit patients; however, side effects, such as atrial fibrillation or hemorrhage, can result in treatment interruption or discontinuation. Given the high efficacy and overall safety, ibrutinib is increasingly used in untreated and previously treated CLL patients. Second-generation BTK inhibitors are being developed, with different and generally more BTK-selective kinase inhibition profiles, which may increase the safety and/or efficacy...
November 10, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29122897/polymyalgia-rheumatica-development-in-a-patient-under-pi3k-inhibitor-therapy-for-chronic-lymphocytic-leukaemia
#19
Sanah Sajawal, Sarah L Mackie, Peter Hillmen, Dennis McGonagle
We report a patient with chronic lymphocytic leukaemia (CLL) who was treated with idelalisib, a PI3Kδ inhibitor with rituximab. After 20 weeks of treatment, the patient developed classical signs and symptoms of polymyalgia rheumatica (PMR) in association with an elevated C reactive protein of 74 mg/L. After 2 weeks of prednisolone 15 mg daily symptoms had resolved and acute phase markers normalised. To our knowledge, this is the first report of PMR developing as a complication of PI3Kδ inhibitor treatment of CLL...
November 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29122300/using-prognostic-models-in-cll-to-personalize-approach-to-clinical-care-are-we-there-yet
#20
REVIEW
Alain Mina, Jose Sandoval Sus, Elsa Sleiman, Javier Pinilla-Ibarz, Farrukh T Awan, Mohamed A Kharfan-Dabaja
Four decades ago, two staging systems were developed to help stratify CLL into different prognostic categories. These systems, the Rai and the Binet staging, depended entirely on abnormal exam findings and evidence of anemia and thrombocytopenia. Better understanding of biologic, genetic, and molecular characteristics of CLL have contributed to better appreciating its clinical heterogeneity. New prognostic models, the GCLLSG prognostic index and the CLL-IPI, emerged. They incorporate biologic and genetic information related to CLL and are capable of predicting survival outcomes and cases anticipated to need therapy earlier in the disease course...
October 28, 2017: Blood Reviews
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