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https://www.readbyqxmd.com/read/28099937/inactivation-of-ck1%C3%AE-in-multiple-myeloma-empowers-drug-cytotoxicity-by-affecting-akt-and-%C3%AE-catenin-survival-signaling-pathways
#1
Sabrina Manni, Marilena Carrino, Martina Manzoni, Ketty Gianesin, Sara Canovas Nunes, Matteo Costacurta, Laura Quotti Tubi, Paolo Macaccaro, Elisa Taiana, Anna Cabrelle, Gregorio Barilà, Annalisa Martines, Renato Zambello, Laura Bonaldi, Livio Trentin, Antonino Neri, Gianpietro Semenzato, Francesco Piazza
Recent evidence indicates that protein kinase CK1α may support the growth of multiple myeloma (MM) plasma cells. Here, by analyzing a large cohort of MM cases, we found that high CK1α mRNA levels are virtually associated with all MM patients. Moreover, we provided functional evidence that CK1α activity is essential for malignant plasma cell survival even in the protective niche generated by co-cultures with bone marrow stromal cells. We demonstrated that CK1α inactivation, while toxic for myeloma cells, is dispensable for the survival of healthy B lymphocytes and stromal cells...
January 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099912/bone-marrow-micro-environment-is-a-crucial-player-for-myelomagenesis-and-disease-progression
#2
Patrizia Mondello, Salvatore Cuzzocrea, Michele Navarra, Michael Mian
Despite the advent of many therapeutic agents, such as bortezomib and lenalidomide that have significantly improved the overall survival, multiple myeloma remains an incurable disease. Failure to cure is multifactorial and can be attributed to the underlying genetic heterogeneity of the cancer and to the surrounding micro-environment. Understanding the mutual interaction between myeloma cells and micro-environment may lead to the development of novel treatment strategies able to eradicate this disease. In this review we discuss the principal molecules involved in the micro-environment network in multiple myeloma and the currently available therapies targeting them...
January 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099502/clinical-and-immune-effects-of-lenalidomide-in-combination-with-gemcitabine-in-patients-with-advanced-pancreatic-cancer
#3
Gustav J Ullenhag, Fariba Mozaffari, Mats Broberg, Håkan Mellstedt, Maria Liljefors
PURPOSE: To assess the immunomodulatory and clinical effects of lenalidomide with standard treatment of gemcitabine in patients with advanced pancreatic cancer. PATIENTS AND METHODS: Patients with advanced pancreatic cancer were treated in first line with lenalidomide orally for 21 days of a 28 days cycle and the standard regimen for gemcitabine. In Part I, which we previously have reported, the dose of lenalidomide was defined (n = 12). In Part II, every other consecutive patient was treated with either lenalidomide (Group A, n = 11) or gemcitabine (Group B, n = 10) during cycle 1...
2017: PloS One
https://www.readbyqxmd.com/read/28099396/successful-treatment-of-refractory-langerhans-cell-histiocytosis-of-the-choroid-plexus-in-a-child-with-pulse-dexamethasone-and-lenalidomide
#4
Ramya Uppuluri, Sreejith Ramachandrakurup, Ravikanth Balaji, Divya Subburaj, Atish Bakane, Revathi Raj
Refractory/relapsed Langerhans cell histiocytosis (LCH) has a difficult course with a guarded prognosis. Salvage treatments available are both expensive and highly toxic. On the basis of the pathophysiology of LCH, we used a novel protocol including pulse dexamethasone and lenalidomide in a child with refractory LCH involving the choroid plexus, which resulted in durable remission with minimal toxicity. The protocol was extrapolated from the FIRST trial for patients with multiple myeloma. We present the clinical course, treatment protocol, and outcome in this child, who is at present disease free and in remission 18 months posttreatment...
January 17, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28095384/a-case-of-plasmablastic-lymphoma-achieving-complete-response-and-durable-remission-after-lenalidomide-based-therapy
#5
Jessica M Schmit, Jess DeLaune, Maxim Norkin, Alan Grosbach
No abstract text is available yet for this article.
January 18, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28094456/waldenstr%C3%A3-m-macroglobulinemia-2017-update-on-diagnosis-risk-stratification-and-management
#6
Morie A Gertz
: Disease Overview: Waldenström macroglobulinemia (WM) is a lymphoplasmacytic lymphoma with immunoglobulin M (IgM) monoclonal protein. Clinical features include anemia, thrombocytopenia, hepatosplenomegaly, lymphadenopathy, and rarely hyperviscosity. DIAGNOSIS: Presence of IgM monoclonal protein associated with ≥10% clonal lymphoplasmacytic cells in bone marrow confirms the diagnosis. The L265P mutation in MYD88 is detectable in more than 90% of patients. Risk Stratification: Age, hemoglobin level, platelet count, β2 microglobulin, and monoclonal IgM concentrations are characteristics required for prognosis...
February 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28092421/carfilzomib-lenalidomide-and-dexamethasone-in-patients-with-heavily-pretreated-multiple-myeloma-a-phase-1-study-in-japan
#7
Kenshi Suzuki, Masaki Ri, Takaaki Chou, Isamu Sugiura, Naoki Takezako, Kazutaka Sunami, Tadao Ishida, Tohru Izumi, Shuji Ozaki, Yoshihisa Shumiya, Kenji Ota, Shinsuke Iida
This is the first study in which the carfilzomib, lenalidomide, and dexamethasone (KRd) regimen was evaluated in heavily pretreated multiple myeloma. This study is a multicenter, open-label phase 1 study of KRd in Japanese patients with relapsed or refractory multiple myeloma (RRMM). The objectives were to evaluate the safety, tolerability, efficacy and pharmacokinetics. Carfilzomib was administrated intravenously over 10 min on days 1, 2, 8, 9, 15, and 16 of a 28-day cycle. In cycle 1, the dosage for days 1 and 2 was 20 mg/m(2) , followed by 27 mg/m(2) ...
January 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/28087699/activation-of-c-abl-kinase-potentiates-the-anti-myeloma-drug-lenalidomide-by-promoting-dda1-recruitment-to-the-crl4-ubiquitin-ligase
#8
Shaobing Gao, Chenlu Geng, Tianyu Song, Xuanru Lin, Jiye Liu, Zhen Cai, Yong Cang
Cullin Ring Ligase 4 (CRL4), a complex of Cul4 and DDB1, regulates cell cycle, DNA damage repair, and chromatin replication by targeting a variety of substrates for ubiquitination. CRL4 is also hijacked by viral proteins or thalidomide-derived compounds to degrade host restriction factors. Here we report that the c-Abl non-receptor kinase phosphorylates DDB1 at residue Y316 to recruit a small regulatory protein DDA1, leading to increased substrate ubiquitination. Pharmacological inhibition or genetic ablation of the Abl-DDB1-DDA1 axis decreases the ubiquitination of CRL4 substrates, including IKZF1 and IKZF3 in lenalidomide-treated multiple myeloma cells...
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28074423/effectiveness-of-risk-evaluation-and-mitigation-strategies-rems-for-lenalidomide-and-thalidomide-patient-comprehension-and-knowledge-retention
#9
Nancy A Brandenburg, Robert Bwire, John Freeman, Florence Houn, Paul Sheehan, Jerome B Zeldis
INTRODUCTION: The effectiveness of patient education activities conducted within the lenalidomide and thalidomide risk evaluation and mitigation strategies (REMS) programs was evaluated by measuring understanding of serious risk and safe-use messages. METHODS: Results from mandatory knowledge, attitude, and behavior surveys and voluntary patient surveys completed between June 2012 and June 2013 were analyzed, and responses to questions relating to compliance with birth control measures and understanding of safe-use messages are presented by patient risk category...
January 10, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28072730/bortezomib-combined-with-lenalidomide-as-the-first-line-treatment-for-the-rare-synchronous-occurrence-of-multiple-myeloma-and-pulmonary-adenocarcinoma-a-case-report
#10
Wenli Zuo, Xinghu Zhu, Jingke Yang, Zhenyang Mei, Mei Deng, Quande Lin, Yongping Song, Qingsong Yin
BACKGROUND: Simultaneous multiple myeloma (MM) and pulmonary adenocarcinoma is a rare occurrence, and thus, treatment is a challenge. This study reports on 1 such case of MM with concurrent lung cancer, where an accurate diagnosis was made and the patient underwent treatment for both cancers. CASE SUMMARY: A 68-year-old man presented with 2 months of progressive lower back pain. Visualization with magnetic resonance imaging (MRI) revealed multiple collapsed vertebrae from T12 to S3, as well as an altered signal intensity at the T3 vertebra...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28072603/dyserythropoiesis-of-myelodysplastic-syndromes
#11
Carine Lefèvre, Sabrina Bondu, Salomé Le Goff, Olivier Kosmider, Michaela Fontenay
PURPOSE OF REVIEW: Myelodysplastic syndromes (MDS) are heterogeneous diseases of the hematopoietic stem cell in the elderly. Anemia is the main symptom that mostly correlates with dysplastic erythropoiesis in the bone marrow. We will review the recent advances in understanding the diverse mechanisms of dyserythropoiesis. RECENT FINDINGS: Dyserythropoiesis defined as 10% dysplastic erythroid cells in the bone marrow is found in more than 80% of early MDS. Immature erythroblasts accumulate at the expense of mature erythroblasts due to differentiation arrest and apoptosis...
January 7, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28070715/an-integrated-assessment-of-the-effects-of-immunogenicity-on-the-pharmacokinetics-safety-and-efficacy-of-elotuzumab
#12
Chaitali Passey, Johanna Mora, Robert Dodge, Leonid Gibiansky, Jennifer Sheng, Amit Roy, Akintunde Bello, Manish Gupta
Elotuzumab is a humanized, immunostimulatory anti-signaling lymphocytic activation molecule F7 (SLAMF7) IgG1 monoclonal antibody indicated in combination with lenalidomide and dexamethasone for patients with multiple myeloma (MM) who have received 1-3 prior therapies. We assessed the immunogenicity of elotuzumab as a monotherapy and in combination with bortezomib/dexamethasone and lenalidomide/dexamethasone in patients with MM in five clinical studies, including the pivotal ELOQUENT-2 trial (NCT01239797). Anti-drug antibody (ADA) prevalence was determined using a validated bridging assay...
January 9, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28061994/recommend-maintenance-therapy-with-lenalidomide-in-multiple-myeloma
#13
REVIEW
Elisabet E Manasanch
Thalidomide was the first immunomodulatory drug used as maintenance after autologous stem cell transplant (ASCT) in multiple myeloma (MM). This showed improved progression-free survival (PFS) and in some cases, overall survival (OS). Despite this, use of thalidomide was limited due to toxicity and high rates of therapy discontinuation. Lenalidomide, an analog of thalidomide, had a more favorable toxicity profile making its use in maintenance a potential approach. The use of lenalidomide as a maintenance therapy after ASCT in newly diagnosed MM patients has been investigated in four phase III randomized control studies...
December 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/28061991/combination-therapy-for-fit-younger-and-older-newly-diagnosed-multiple-myeloma-patients-data-support-carfilzomib-lenalidomide-and-dexamethasone-independent-of-cytogenetic-risk-status
#14
REVIEW
Ola Landgren
In this invited paper, I was asked to critically review available literature and seek scientific and clinical evidence to argue in support of carfilzomib, lenalidomide, and dexamethasone (KRd) as the new default therapy for fit patients with a new diagnosis of multiple myeloma (MM). When performing the review of existing data and when writing this paper it became clear to me that both KRd and bortezomib, lenalidomide, and dexamethasone (RVd) are both recommended by established, well-respected expert guidelines...
December 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/28061990/treatment-of-newly-diagnosed-myeloma-bortezomib-based-triplet
#15
REVIEW
Archana M Rajan, S Vincent Rajkumar
We review the options for the treatment of newly diagnosed myeloma in a patient who is a candidate for autologous stem cell transplantation (ASCT). Bortezomib, lenalidomide, dexamethasone (VRD) has been studied in two randomized trials as first-line therapy. In one of these trials, VRD demonstrated improved overall survival compared with lenalidomide plus dexamethasone (Rd). By contrast, phase III data with overall survival differences are not available for other bortezomib-containing regimens compared with modern lenalidomide-containing regimens...
December 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/28061984/controversies-in-multiple-myeloma-evidence-based-update
#16
REVIEW
Inhye E Ahn, Sham Mailankody
The US Food and Drug Administration (FDA) approved 10 new drugs for the treatment of multiple myeloma (MM) over the last two decades. The influx of new anti-myeloma agents with high efficacy and acceptable tolerability add complexity to the clinical decision-making process. First, treatment of smoldering multiple myeloma (SMM) remains investigational to date, although a randomized trial showed a survival gain in high-risk patients receiving lenalidomide. Second, in newly diagnosed MM, the majority of contemporary induction regimens have been studied in single-arm trials or compared to an older regimen, which complicates evidence-based treatment selection...
December 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/28060563/efficacy-and-safety-of-elotuzumab-for-the-treatment-of-multiple-myeloma
#17
Maria Gavriatopoulou, Evangelos Terpos, Efstathios Kastritis, Meletios A Dimopoulos
Multiple myeloma (MM) is the second most common hematologic malignancy and despite significant outcome improvements with novel agents, the majority of patients will eventually relapse and develop treatment resistance. Immunotherapy is emerging as a promising therapeutic approach in MM. Areas covered: Elotuzumab is a monoclonal antibody directly targeting the SLAMF7 receptor, expressed on normal and malignant plasma cells. Elotuzumab has no meaningful antimyeloma activity when given as monotherapy to patients with relapsed or refractory MM (RRMM)...
January 6, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28058097/genetics-and-epigenetics-of-myelodysplastic-syndromes-and-response-to-drug-therapy-new-insights
#18
REVIEW
Saeid Shahrabi, Abbas Khosravi, Mohammad Shahjahani, Fakher Rahim, Najmaldin Saki
Myelodysplastic syndromes (MDS) are a heterogeneous group of hematologic neoplasms ocurring mostly in the elderly. The clinical outcome of MDS patients is still poor despite progress in treatment approaches. About 90% of patients harbor at least one somatic mutation. This review aimed to assess the potential of molecular abnormalities in understanding pathogenesis, prognosis, diagnosis and in guiding choice of proper therapy in MDS patients. Papers related to this topic from 2000 to 2016 in PubMed and Scopus databases were searched and studied...
October 10, 2016: Oncology Reviews
https://www.readbyqxmd.com/read/28057080/combination-of-alpha-synuclein-immunotherapy-with-anti-inflammatory-treatment-in-a-transgenic-mouse-model-of-multiple-system-atrophy
#19
Elvira Valera, Brian Spencer, Jerel A Fields, Ivy Trinh, Anthony Adame, Michael Mante, Edward Rockenstein, Paula Desplats, Eliezer Masliah
Multiple system atrophy (MSA) is a fatal neurodegenerative disorder characterized by the pathological accumulation of alpha-synuclein (α-syn) in oligodendrocytes. Therapeutic efforts to stop or delay the progression of MSA have yielded suboptimal results in clinical trials, and there are no efficient treatments currently available for MSA patients. We hypothesize that combining therapies targeting different aspects of the disease may lead to better clinical outcomes. To test this hypothesis, we combined the use of a single-chain antibody targeting α-syn modified for improved central nervous system penetration (CD5-D5) with an unconventional anti-inflammatory treatment (lenalidomide) in the myelin basic protein (MBP)-α-syn transgenic mouse model of MSA...
January 5, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28053546/comparing-efficacy-and-survivals-of-initial-treatments-for-elderly-patients-with-newly-diagnosed-multiple-myeloma-a-network-meta-analysis-of-randomized-controlled-trials
#20
Xiaoping Liu, Jiarui Chen, Yuncen A He, Xiangyu Meng, Kaili Li, Colin K He, Shangqin Liu
OBJECTIVE: The aim of this study was to evaluate the efficacy and clinical outcome of initial therapies for elderly patients with multiple myeloma (MM). METHODS: Randomized controlled trials (RCTs) were obtained through a comprehensive search. Response rate, progression-free survival (PFS) and overall survival (OS) were the interested outcome measures. Network meta-analysis (NMA) using graph theory methodology to construct an NMA model, and sensitivity analysis were performed...
2017: OncoTargets and Therapy
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