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antibody multiple myeloma

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https://www.readbyqxmd.com/read/27913523/advances-and-practical-use-of-monoclonal-antibodies-in-multiple-myeloma-therapy
#1
Hans C Lee, Donna M Weber
The use of proteasome inhibitors and immunomodulatory agents in the treatment of myeloma have resulted in significant improvements in patient outcomes over the last decade. Although these agents now form the backbone of current myeloma treatment regimens both in the frontline and in a relapsed setting, drug resistance remains an inevitable challenge that most patients will encounter during their disease course. Hence, new treatment strategies continue to be explored, and the recent regulatory approvals of the monoclonal antibodies (mAbs) daratumumab (DARA) and elotuzumab (ELO), which target the plasma cell surface proteins CD38 and signaling lymphocytic activation molecule F7 (SLAMF7), respectively, have heralded the long-awaited era of antibody-based approaches in the treatment of myeloma...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913522/role-of-stem-cell-transplant-and-maintenance-therapy-in-plasma-cell-disorders
#2
Philip L McCarthy, Sarah A Holstein
Autologous stem cell transplant (ASCT) has been an important component of therapy for myeloma patients eligible for high-dose chemotherapy. Recent studies comparing early transplant to low-dose chemotherapy support the continued use of ASCT as consolidation following induction therapy, even in the era of immunomodulatory drugs, proteasome inhibitors, and other novel agents. Despite the marked improvements in outcomes with this approach, most patients will eventually experience disease progression. Thus, inclusion of post-ASCT consolidation/maintenance strategies is used to improve long-term disease control...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913521/sequencing-of-nontransplant-treatments-in-multiple-myeloma-patients-with-active-disease
#3
Andrew J Yee, Noopur S Raje
The approval of several different classes of drugs in recent years has resulted in a dramatic expansion of treatment options for multiple myeloma patients, improving both survival and quality of life. Lenalidomide and bortezomib are now core components of treatment both at time of diagnosis and at relapse. Next-generation immunomodulatory drugs, like pomalidomide, and newer proteasome inhibitors like carfilzomib and ixazomib are available for use at relapse. Drugs with novel mechanisms of action such as the histone deacetylase inhibitor panobinostat and the monoclonal antibodies targeting SLAMF7 (elotuzumab) and CD38 (daratumumab) are significant steps forward...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27912844/heparanase-from-basic-research-to-therapeutic-applications-in-cancer-and-inflammation
#4
Israel Vlodavsky, Preeti Singh, Ilanit Boyango, Lilach Gutter-Kapon, Michael Elkin, Ralph D Sanderson, Neta Ilan
Heparanase, the sole heparan sulfate degrading endoglycosidase, regulates multiple biological activities that enhance tumor growth, angiogenesis and metastasis. Heparanase expression is enhanced in almost all cancers examined including various carcinomas, sarcomas and hematological malignancies. Numerous clinical association studies have consistently demonstrated that upregulation of heparanase expression correlates with increased tumor size, tumor angiogenesis, enhanced metastasis and poor prognosis. In contrast, knockdown of heparanase or treatments of tumor-bearing mice with heparanase-inhibiting compounds, markedly attenuate tumor progression further underscoring the potential of anti-heparanase therapy for multiple types of cancer...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27910963/daratumumab-monoclonal-antibody-therapy-to-treat-multiple-myeloma
#5
C Xia, M Ribeiro, S Scott, S Lonial
Daratumumab (Darzalex[TM]) is a human monoclonal antibody (MAb) that targets CD38; a surface protein highly expressed across multiple myeloma (MM) cells. Preclinical studies have shown daratumumab induces MM cell death through several mechanisms, including complement-dependent cytotoxicity (CDC) antibody-dependent cell-mediated cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), apoptosis upon secondary crosslinking and immunomodulatory effects via a decrease in immune suppressive cells. Daratumumab has a favorable toxicity profile and encouraging clinical activity as a single agent and in combination with lenalidomide in heavily pretreated, relapsed patients in whom other novel agents (such as bortezomib, thalidomide and lenalidomide) and stem cell transplant have already failed...
October 2016: Drugs of Today
https://www.readbyqxmd.com/read/27896689/pharmacokinetics-of-daratumumab-following-intravenous-infusion-in-relapsed-or-refractory-multiple-myeloma-after-prior-proteasome-inhibitor-and-immunomodulatory-drug-treatment
#6
Pamela L Clemens, Xiaoyu Yan, Henk M Lokhorst, Sagar Lonial, Nedjad Losic, Imran Khan, Richard Jansson, Tahamtan Ahmadi, Kristen Lantz, Honghui Zhou, Thomas Puchalski, Xu Steven Xu
Daratumumab is a CD38 monoclonal antibody recently approved for the treatment of multiple myeloma (MM). We report daratumumab pharmacokinetic data from GEN501, a phase I/II dose-escalation (0.005-24 mg/kg) and dose-expansion (8 or 16 mg/kg) study, and SIRIUS, a phase II study (8 or 16 mg/kg), in relapsed or refractory MM. Noncompartmental analysis was conducted to characterize daratumumab pharmacokinetics, and, in both studies, daratumumab exhibited nonlinear pharmacokinetic characteristics. Decreasing daratumumab clearance with increasing dose suggests saturation of target-mediated clearance at higher dose levels, whereas decreasing clearance over time with repeated dosing may be due to tumor burden reductions as CD38-positive cells are eliminated...
November 29, 2016: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/27888901/-monoclonal-antibodies-against-pcsk9-from-bench-to-clinic
#7
Carlos Guijarro Herraiz
Antibodies are glycoproteins with high specificity binding to multiple antigens due to the large number of structural conformations of the variable chains. Hybridoma technology (fusion of myeloma cells with immunoglobulin-producing lymphocytes) has allowed the synthesis of large quantities of unique antibodies (monoclonal [mAb]). mAbs were initially murine. Subsequently, chimeric mAbs were developed, followed by humanized mAbs and finally human mAbs. The high selectivity and good tolerance of human mAbs allows their therapeutic administration to block specific exogenous or endogenous molecules...
May 2016: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/27888768/multiple-myeloma-treatment-at-relapse-after-autologous-stem-cell-transplantation-a-practical-analysis
#8
REVIEW
F Malard, J L Harousseau, M Mohty
Over the past decade, significant advances have been made in the field of multiple myeloma. Introduction of the so-called novel agents, proteasome inhibitors (PI) and immunomodulatory drugs (IMiD), and improved supportive care have resulted in significantly better outcome. Standard first line treatment in fit patients include PI and IMiD based induction, high dose melphalan with autologous hematopoietic stem cell transplantation (ASCT) and consolidation/maintenance. However, despite these progresses MM remains incurable for the majority of patients and most patients will relapse...
November 15, 2016: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/27870103/role-of-immunotherapy-in-targeting-the-bone-marrow-microenvironment-in-multiple-myeloma-an-evolving-therapeutic-strategy
#9
Clement Chung
Multiple myeloma (referred to henceforth as myeloma) is a B-cell malignancy characterized by unregulated growth of plasma cells in the bone marrow. The treatment paradigm for myeloma underwent significant evolution in the last decade, with an improved understanding of the pathogenesis of the disease as well as the development of therapeutic agents that target not only the tumor cells but also their microenvironment. Despite these therapeutic advances, the prognosis of patients with relapsed or refractory myeloma remains poor...
November 21, 2016: Pharmacotherapy
https://www.readbyqxmd.com/read/27863374/magic-year-for-multiple-myeloma-therapeutics-key-takeaways-from-the-ash-2015-annual-meeting
#10
REVIEW
Kejie Zhang, Aakash Desai, Dongfeng Zeng, Tiejun Gong, Peihua Lu, Michael Wang
Despite the availability of various anticancer agents, Multiple Myeloma (MM) remains incurable in most cases, along with high relapse rate in the patients treated with these agents. The year 2015 saw major advancements in our battle against multiple myeloma. In 2015, the U.S. Food and Drug Administration (FDA) approved three new therapies for multiple myeloma, namely Ixazomib (an oral proteasome inhibitor), Daratumumab and Elotuzumab (monoclonal antibodies against CD38 and SLAMF7 respectively). The purpose of this review is to provide a detailed analysis of these aforementioned breakthrough therapies and two other newer agents, Filanesib (kinesis spindle inhibitor) and selinexor (SINE inhibitor), presented at the 2015 annual meeting of American Society of Hematology (ASH)...
November 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27859027/clinical-implications-of-complex-pharmacokinetics-for-daratumumab-dose-regimen-in-patients-with-relapsed-refractory-multiple-myeloma
#11
Xu Steven Xu, Xiaoyu Yan, Thomas Puchalski, Sagar Lonial, Henk M Lokhorst, Peter M Voorhees, Torben Plesner, Kevin Liu, Imran Khan, Richard Jansson, Tahamtan Ahmadi, Juan Jose Perez Ruixo, Honghui Zhou, Pamela L Clemens
New therapeutic strategies are urgently needed to improve clinical outcomes in patients with multiple myeloma (MM). Daratumumab is a first-in-class, CD38 human immunoglobulin G1κ monoclonal antibody approved for treatment of relapsed or refractory MM. Identification of an appropriate dose regimen for daratumumab is challenging due to its target-mediated drug disposition, leading to time- and concentration-dependent pharmacokinetics. We describe a thorough evaluation of the recommended dose regimen for daratumumab in patients with relapsed or refractory MM...
November 17, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27848182/elotuzumab-with-lenalidomide-and-dexamethasone-for-japanese-patients-with-relapsed-refractory-multiple-myeloma-phase-1-study
#12
Shinsuke Iida, Hirokazu Nagai, Gen Kinoshita, Masafumi Miyoshi, Michael Robbins, Dimple Pandya, Eric Bleickardt, Takaaki Chou
Elotuzumab is an immunostimulatory monoclonal antibody that binds to SLAMF7, a type-1 transmembrane protein expressed on myeloma and natural killer cells. We report a phase 1 study (NCT01241292) in which we evaluated the safety, efficacy and pharmacokinetics of elotuzumab combined with lenalidomide and dexamethasone in Japanese patients with relapsed/refractory multiple myeloma (RRMM). In 28-day cycles, patients received: elotuzumab (intravenously), lenalidomide (25 mg orally) and weekly dexamethasone (elotuzumab days: 28 mg orally plus 8 mg intravenously; non-elotuzumab days: 40 mg orally)...
November 15, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27834816/targeting-the-tam-receptors-in-leukemia
#13
REVIEW
Madeline G Huey, Katherine A Minson, H Shelton Earp, Deborah DeRyckere, Douglas K Graham
Targeted inhibition of members of the TAM (TYRO-3, AXL, MERTK) family of receptor tyrosine kinases has recently been investigated as a novel strategy for treatment of hematologic malignancies. The physiologic functions of the TAM receptors in innate immune control, natural killer (NK) cell differentiation, efferocytosis, clearance of apoptotic debris, and hemostasis have previously been described and more recent data implicate TAM kinases as important regulators of erythropoiesis and megakaryopoiesis. The TAM receptors are aberrantly or ectopically expressed in many hematologic malignancies including acute myeloid leukemia, B- and T-cell acute lymphoblastic leukemia, chronic lymphocytic leukemia, and multiple myeloma...
November 8, 2016: Cancers
https://www.readbyqxmd.com/read/27806428/daratumumab-elotuzumab-and-the-development-of-therapeutic-monoclonal-antibodies-in-multiple-myeloma
#14
Jacob P Laubach, Claudia E Paba Prada, Paul G Richardson, Dan L Longo
There has been substantial progress in clinical outcomes for patients with multiple myeloma. This encouraging trend derives in large part from the increasing number of effective therapeutic options and the ability as a result of this to achieve higher quality responses to treatment. The approval of both daratumumab and of elotuzumab in combination with lenalidomide and dexamethasone in late 2015 was a notable achievement in the field, as daratumumab and elotuzumab represent the first monoclonal antibodies available for use in multiple myeloma...
November 2, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27797968/new-strategies-in-multiple-myeloma-immunotherapy-as-a-novel-approach-to-treat-patients-with-multiple-myeloma
#15
Paola Neri, Nizar J Bahlis, Sagar Lonial
Multiple myeloma is a B-cell malignancy characterized by proliferation of monoclonal plasma cells in the bone marrow. Although new therapeutic options introduced in recent years have resulted in improved survival outcomes, multiple myeloma remains incurable for a large number of patients, and new treatment options are urgently needed. Over the last 5 years, there has been a renewed interest in the clinical potential of immunotherapy for the treatment of multiple myeloma. Clinical progression of myeloma is known to be associated with progressive immune dysregulation and loss of immune surveillance that contribute to disease progression in association with progressive genetic complexity, rendering signaling-based treatments less effective...
October 19, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27795747/dynamic-analysis-of-immune-and-cancer-cell-interactions-at-single-cell-level-in-microfluidic-droplets
#16
S Sarkar, P Sabhachandani, D Stroopinsky, K Palmer, N Cohen, J Rosenblatt, D Avigan, T Konry
Cell-cell communication mediates immune responses to physiological stimuli at local and systemic levels. Intercellular communication occurs via a direct contact between cells as well as by secretory contact-independent mechanisms. However, there are few existing methods that allow quantitative resolution of contact-dependent and independent cellular processes in a rapid, precisely controlled, and dynamic format. This study utilizes a high-throughput microfluidic droplet array platform to analyze cell-cell interaction and effector functions at single cell level...
September 2016: Biomicrofluidics
https://www.readbyqxmd.com/read/27795518/current-treatment-of-refractory-and-relapsed-multiple-myeloma
#17
Makoto Sasaki
In the past decade, previously approved novel agents, such as proteasome inhibitors (bortezomib) and immunomodulatory drugs ([IMiDs]; e.g., lenalidomide), have led to significant improvement in the treatment of multiple myeloma in Japan. However, almost all patients will ultimately relapse, even when they have achieved a deep and prolonged therapeutic response with initial treatment. Next-generation IMiDs (pomalidomide) and deacetylase inhibitors (panobinostat) were approved for use as salvage therapy for refractory and relapsed multiple myeloma [RRMM] within the last year...
2016: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/27794527/the-challenges-of-daratumumab-in-transfusion-medicine
#18
REVIEW
Michael F Dizon
The field of transfusion medicine has evolved rapidly in recent years, but the central principle of transfusion is still simple, namely, the antigen-antibody interaction. Daratumumab (DARA), a monoclonal antibody (MoAb), was developed to treat relapsed/refractory multiple myeloma (RRMM). DARA works by targeting the CD38 portion of malignant cells; however, this drug attaches to the red blood cell (RBC) reagents used in blood banks, further complicating the antibody identification work-up. The AABB (formerly known as the American Association of Blood Banks) has issued a memorandum on how blood banks can effectively address panreactivity caused by DARA...
October 28, 2016: Laboratory Medicine
https://www.readbyqxmd.com/read/27785050/spotlight-on-elotuzumab-in-the-treatment-of-multiple-myeloma-the-evidence-to-date
#19
REVIEW
Katja Weisel
Despite advances in the treatment of multiple myeloma, it remains an incurable disease, with relapses and resistances frequently observed. Recently, immunotherapies, in particular, monoclonal antibodies, have become important treatment options in anticancer therapies. Elotuzumab is a humanized monoclonal antibody to signaling lymphocytic activation molecule F7, which is highly expressed on myeloma cells and, to a lower extent, on selected leukocyte subsets such as natural killer cells. By directly activating natural killer cells and by antibody-dependent cell-mediated cytotoxicity, elotuzumab exhibits a dual mechanism of action leading to myeloma cell death with minimal effects on normal tissue...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27759436/primary-plasma-cell-leukemia-2-0-advances-in-biology-and-clinical-management
#20
Antonino Neri, Katia Todoerti, Marta Lionetti, Vittorio Simeon, Marzia Barbieri, Filomena Nozza, Gabriella Vona, Alessandra Pompa, Luca Baldini, Pellegrino Musto
Primary plasma cell leukemia (PPCL) is a rare and aggressive variant of multiple myeloma. The introduction of novel agents and modern technologies has recently partially changed the clinical and biological scenario of this malignancy, allowing limited, but not negligible, progresses. Areas covered: We will discuss the complex landscape of genetic alterations in PPCL, derived from conventional and high-throughput technologies; the best available treatments for PPCL; the possible future therapeutic perspectives...
October 19, 2016: Expert Review of Hematology
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