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https://www.readbyqxmd.com/read/28794380/tumor-lysis-syndrome-after-the-administration-of-ruxolitinib-in-a-patient-with-post-polycythemia-vera-myelofibrosis
#1
Megumi Koshiishi, Yuki Sueki, Ichiro Kawashima, Kei Nakajima, Toru Mitsumori, Keita Kirito
The development of tumor lysis syndrome (TLS) in association with treatment for myeloproliferative neoplasms (MPNs) is relatively rare. We herein present the case of a post-polycythemia vera (PV) myelofibrosis patient with massive splenomegaly who developed laboratory TLS after treatment with ruxolitinib, a potent JAK1/JAK2 inhibitor. She also exhibited a rapid reduction of spleen volume. Our present case suggests the potential risk of TLS development after ruxolitinib treatment, particularly in patients with massive splenomegaly...
August 10, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28775205/therapy-related-hematological-malignancies-after-peptide-receptor-radionuclide-therapy-with-177-lu-dota-octreotate-incidence-course-predicting-factors-in-patients-with-gep-nets
#2
Hendrik Bergsma, Kirsten van Lom, Mark Konijnenberg, Boen Kam, Jaap Teunissen, Wouter de Herder, Eric Krenning, Dik Kwekkeboom
Peptide Receptor Radionuclide Therapy (PRRT) may induce long-term toxicity to the bone marrow (BM). The aim of this study was to analyze persistent dysfunction of the hematopoietic system after PRRT with (177)Lu-DOTATATE in patients with gastroenteropancreatic neuroendocrine tumors (GEP-NETs). Methods: The incidence and course of persistent hematological dysfunction (PHD) was analyzed in 274 (=GEP-NET) out of 367 patients with somatostatin receptor-positive tumors. PHD was defined as diagnosis of Myelodysplastic Syndrome (MDS), Acute Myeloid Leukemia (AML), Myeloproliferative Neoplasms (MPN), Myelodysplastic/Myeloproliferative neoplasms (MDS/MPN) or otherwise unexplained cytopenia (for more than 6 months)...
August 3, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28774880/a-randomized-phase-ii-study-of-low-dose-decitabine-versus-low-dose-azacitidine-in-lower-risk-mds-and-mds-mpn
#3
Elias Jabbour, Nicholas J Short, Guillermo Montalban-Bravo, Xuelin Huang, Carlos Bueso-Ramos, Wei Qiao, Hui Yang, Chong Zhao, Tapan Kadia, Gautam Borthakur, Naveen Pemmaraju, Koji Sasaki, Zeev Estrov, Jorge Cortes, Farhad Ravandi, Yesid Alvarado, Rami Komrokji, Mikkael A Sekeres, David P Steensma, Amy DeZern, Gail Roboz, Hagop Kantarjian, Guillermo Garcia-Manero
BACKGROUND: Hypomethylating agents (HMAs) improve survival in patients with higher-risk myelodysplastic syndromes (MDS) but are less well-studied in lower-risk disease. We compared the safety and efficacy of low-dose decitabine versus low-dose azacitidine in this group of patients. METHODS: Adults with low- or intermediate-1-risk MDS or MDS/myeloproliferative neoplasm (MPN), including chronic myelomonocytic leukemia, by the International Prognostic Scoring System were randomized using a Bayesian adaptive design to receive either azacitidine 75 mg/m(2) IV/SC daily or decitabine 20 mg/m(2) IV daily for 3 consecutive days on a 28-day cycle...
August 3, 2017: Blood
https://www.readbyqxmd.com/read/28771058/myelodysplastic-and-myeloproliferative-neoplasms-updates-on-the-overlap-syndromes
#4
Swapna Thota, Aaron T Gerds
Myelodysplastic and myeloproliferative neoplasms (MDS/MPN) is a rare and distinct group of myeloid neoplasms with overlapping MDS and MPN features. Next generation sequencing studies have led to an improved understanding of MDS/MPN disease biology by identifying recurrent somatic mutations. Combining the molecular findings to patho-morphologic features has improved the precision of diagnosis and prognostic models in MDS/MPN. We discuss and highlight these updates in MDS/MPN nomenclature and diagnostic criteria per revised 2016 WHO classification of myeloid neoplasms in this article...
August 3, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28760301/the-challenge-of-treating-myelodysplastic-syndromes-myeloproliferative-neoplasms
#5
REVIEW
Brittany Knick Ragon, Michael R Savona
Myelodysplastic syndromes/myeloproliferative neoplasms (MDS/MPN) comprise a spectrum of myeloid disorders with both dysplastic and proliferative features, arising from hematopoietic stem cells. MDS/MPN are neither MDS nor MPN but a distinct World Health Organization-defined subclassification of diseases that, by definition, do not arise from a pre-existing MDS or MPN, inherently creating diagnostic and therapeutic challenges. Appropriately recognizing and classifying MDS/MPN is paramount for appropriately formulating treatment strategies and accurate prognostication...
July 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28737134/nephrotic-syndrome-in-primary-myelofibrosis-with-renal-extramedullary-hematopoiesis-and-glomerulopathy-in-the-jak-inhibitor-era
#6
Rachele Del Sordo, Rachele Brugnano, Carla Covarelli, Gioia Fiorucci, Franca Falzetti, Giorgio Barbatelli, Emidio Nunzi, Angelo Sidoni
Primary myelofibrosis (PMF) is an uncommon form of myeloproliferative neoplasm (MPN) characterized by a proliferation of predominantly megakaryocytes and granulocytes in the bone marrow that, in fully-developed disease, is associated with reactive deposition of fibrous connective tissue, extramedullary hematopoiesis (EMH), and splenomegaly. Kidney involvement is rare and clinically presents with proteinuria, nephrotic syndrome, and renal insufficiency. Renal damage can be due to EMH and glomerulopathy. Renal EMH presents three patterns: infiltration of the interstitium with possible renal failure caused by functional damage of parenchyma and vessels, infiltration of capsule and pericapsular adipose tissue, and sclerosing mass-like lesions that can cause hydronephrosis and hydroureter with obstructive uropathy and renal failure...
July 24, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28710306/ruxolitinib-treatment-in-an-infant-with-jak2-polycythaemia-vera-associated-budd-chiari-syndrome
#7
Mehmet Enes Coskun, Sue Height, Anil Dhawan, Nedim Hadzic
Budd-Chiari syndrome (BCS) is caused by hepatic venous outflow obstruction commonly seen with myeloproliferative neoplasms (MPNs). Polycythaemia vera (PV) is a very rare MPN in childhood. This is the youngest reported patient diagnosed with PV and BCS secondary to JAK V617F mutation.A 26-month-old girl was admitted with a 5-month history of abdominal distension, hepatosplenomegaly and ascites. Imaging studies revealed occlusion of the right hepatic vein and marked attenuation of the middle and left hepatic veins...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28685257/budd-chiari-syndrome-hepatic-venous-outflow-tract-obstruction
#8
REVIEW
Dominique-Charles Valla
BACKGROUND: Budd-Chiari syndrome (BCS) is a rare disease characterized by hepatic venous outflow tract obstruction (HVOTO). METHODS: Recent literature has been analyzed for this narrative review. RESULTS: Primary BCS/HVOTO is a result of thrombosis. The same patient often has multiple risk factors for venous thrombosis and most have at least one. Presentation and etiology may differ between Western and certain Eastern countries. Myeloproliferative neoplasms are present in 40% of patients and are usually associated with the V617F-JAK2 mutation in myeloid cells, in particular peripheral blood granulocytes...
July 6, 2017: Hepatology International
https://www.readbyqxmd.com/read/28675622/early-radiological-intervention-and-haematology-screening-is-associated-with-excellent-outcomes-in-budd-chiari-syndrome
#9
Allison Mo, Adam Testro, Janine French, Marcus Robertson, Peter Angus, Andrew Grigg
BACKGROUND: Budd Chiari Syndrome (BCS) is a rare and life-threatening disorder, resulting from thrombosis of the hepatic veins. Various treatments including pharmacological, radiological and surgical interventions have been used. AIM: We aimed to retrospectively describe our institution's experience with management of patients with BCS. RESULTS: Between 2000 and 2012, 27 patients with primary BCS presented with a median Rotterdam score of 1...
July 4, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28642604/turning-the-tide-in-myelodysplastic-myeloproliferative-neoplasms
#10
REVIEW
Michael W N Deininger, Jeffrey W Tyner, Eric Solary
Myelodysplastic syndromes/myeloproliferative neoplasms (MDS/MPN) are aggressive myeloid malignancies recognized as a distinct category owing to their unique combination of dysplastic and proliferative features. Although current classification schemes still emphasize morphology and exclusionary criteria, disease-defining somatic mutations and/or germline predisposition alleles are increasingly incorporated into diagnostic algorithms. The developing picture suggests that phenotypes are driven mostly by epigenetic mechanisms that reflect a complex interplay between genotype, physiological processes such as ageing and interactions between malignant haematopoietic cells and the stromal microenvironment of the bone marrow...
June 23, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28415666/azacitidine-or-intensive-chemotherapy-for-older-patients-with-secondary-or-therapy-related-acute-myeloid-leukemia
#11
Pierre-Yves Dumas, Sarah Bertoli, Emilie Bérard, Clémence Médiavilla, Edwige Yon, Suzanne Tavitian, Thibaut Leguay, Françoise Huguet, Edouard Forcade, Noël Milpied, Audrey Sarry, Mathieu Sauvezie, Pierre Bories, Arnaud Pigneux, Christian Récher
The treatment of older patients with acute myeloid leukemia that is secondary to previous myelodysplastic syndrome, myeloproliferative neoplasm, or prior cytotoxic exposure remains unsatisfactory. We compared 92 and 107 patients treated, respectively, with intensive chemotherapy or azacitidine within two centres. Diagnoses were 37.5% post-myelodysplastic syndrome, 17.4% post-myeloproliferative neoplasia, and 45.1% therapy-related acute myeloid leukemia. Patients treated by chemotherapy had less adverse cytogenetics, higher white blood-cell counts, and were younger: the latter two being independent factors entered into the multivariate analyses...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28374041/imatinib-treatment-of-lymphomatoid-papulosis-associated-with-myeloproliferative-hypereosino-philic-syndrome-presenting-the-fip1l1-pdgfra-fusion-gene
#12
Pablo García-Martínez, Dolors Sitjas, Enric Llistosella, Blanca Espinet, María Rodríguez-Rivera, Maria Hernandez-Muñoz, Fernando Gallardo, Ramon M Pujol
No abstract text is available yet for this article.
April 4, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28242791/response-to-tyrosine-kinase-inhibitors-in-myeloproliferative-neoplasia-with-8p11-translocation-and-cep110-fgfr1-rearrangement
#13
Marc Wehrli, Elisabeth Oppliger Leibundgut, Heinrich H Gattiker, Markus G Manz, Antonia M S Müller, Jeroen S Goede
This brief communication reports on a patient with an exceedingly rare "8p11 (eight-p-eleven) myeloproliferative syndrome" (EMS) with CEP110-FGFR1 rearrangement who responded to treatment with the multi-tyrosine kinase inhibitor (TKI) dasatinib. Dasatinib improved quality of life substantially by increasing blood counts and reducing the need for transfusions. This report demonstrates that the second-generation TKI may provide a therapeutic option for elderly and frail EMS patients who cannot be offered aggressive therapy, including allogeneic hematopoietic cell transplantation...
April 2017: Oncologist
https://www.readbyqxmd.com/read/28188970/refractory-anemia-with-ring-sideroblasts-rars-and-rars-with-thrombocytosis-rars-t-2017-update-on-diagnosis-risk-stratification-and-management
#14
REVIEW
Mrinal M Patnaik, Ayalew Tefferi
DISEASE OVERVIEW: Ring sideroblasts (RS) are erythroid precursors with abnormal perinuclear mitochondrial iron accumulation. Two myeloid neoplasms defined by the presence of RS, include refractory anemia with ring sideroblasts (RARS), now classified under myelodysplastic syndromes with RS (MDS-RS) and RARS with thrombocytosis (RARS-T); now called myelodysplastic/myeloproliferative neoplasm with RS and thrombocytosis (MDS/MPN-RS-T). DIAGNOSIS: MDS-RS is a lower risk MDS, with single or multilineage dysplasia (SLD/MLD), <5% bone marrow (BM) blasts and ≥15% BM RS (≥5% in the presence of SF3B1 mutations)...
March 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28138694/activity-of-fibroblast-growth-factor-receptor-inhibitors-tki258-ponatinib-and-azd4547-against-tpr%C3%A2-fgfr1-fusion
#15
Xu-Hua Qiu, Feng Li, Hong-Qin Cao, Jing-Jing Shao, Jian-Gang Mei, Han-Qing Li, Yong-Ping Zhai
8p11 myeloproliferative syndrome (EMS) is a rare disease characterized by the constitutive activation of fibroblast growth factor receptor 1 (FGFR1). To date, four cases of EMS with the chromosomal translocation, t(1;8)(q25;p11.2), have been reported. In the present study, TPR‑FGFR1‑expressing Baf3 cells were established and confirmed by polymerase chain reaction. To identify the most promising drug for EMS, the activities and associated mechanism of three tyrosine kinase inhibitors (TKIs), TKI258, ponatinib and AZD4547, against TPR‑FGFR1 were tested by MTT assay, flow cytometry and western blot...
March 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28097942/cd25-as-an-adverse-prognostic-factor-in-elderly-patients-with-acute-myeloid-leukemia
#16
Shin-Ichiro Fujiwara, Kazuo Muroi, Chihiro Yamamoto, Kaoru Hatano, Kiyoshi Okazuka, Kazuya Sato, Iekuni Oh, Ken Ohmine, Takahiro Suzuki, Keiya Ozawa
OBJECTIVES: CD25 has been reported to be highly expressed in leukemia stem cells and correlated with adverse outcomes in young patients with acute myeloid leukemia (AML). However, the significance of CD25 expression in elderly patients with AML has not yet been investigated. METHODS: We retrospectively analyzed 154 newly diagnosed AML patients aged 60 years or over by flow cytometry. RESULTS: CD25-positive AML was characterized by high white blood cell counts, secondary AML, rare favorable karyotypes, and positivity for CD34 and CD7 antigens, compared with CD25-negative AML...
July 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28062906/programmed-cell-death-1-pathway-inhibition-in-myeloid-malignancies-implications-for-myeloproliferative-neoplasms
#17
REVIEW
D C Choi, D Tremblay, C Iancu-Rubin, J Mascarenhas
Myeloproliferative neoplasms (MPNs) are clonal hematopoietic diseases that belong to the spectrum of myeloid malignancies (MyMs), which also include myelodysplastic syndromes (MDS), acute myeloid leukemia (AML), and chronic myelogenous leukemia (CML). While hematopoietic stem cell transplantation (HSCT) is a potentially curative therapeutic approach to many MyMs, the associated morbidity and mortality have necessitated the development of non-HSCT therapeutics for symptom management and disease course modification...
June 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28056398/clinical-outcome-of-myeloid-sarcoma-in-adult-patients-and-effect-of-allogeneic-stem-cell-transplantation-results-from-a-multicenter-survey
#18
MULTICENTER STUDY
Davide Lazzarotto, Anna Candoni, Carla Filì, Fabio Forghieri, Livio Pagano, Alessandro Busca, Giuseppina Spinosa, Maria Elena Zannier, Erica Simeone, Miriam Isola, Erika Borlenghi, Lorella Melillo, Federico Mosna, Federica Lessi, Renato Fanin
INTRODUCTION: Myeloid Sarcoma (MS) is a rare hematologic myeloid neoplasm that can involve any site of the body. It can occur as an exclusively extramedullary form or it can be associated with an acute myeloid leukemia (AML), a chronic myeloproliferative neoplasm (MPN) or a myelodysplastic syndrome (MDS) at onset or at relapse. The rarity of MS does not enable prospective clinical trials and therefore a specific multicenter register can be useful for the clinical and biological studies of this rare disease...
February 2017: Leukemia Research
https://www.readbyqxmd.com/read/28028303/dismal-outcome-of-therapy-related-myeloid-neoplasm-associated-with-complex-aberrant-karyotypes-and-monosomal-karyotype-a-case-report
#19
Y L Tang, W K Chia, E C S W Yap, M I Julia, C F Leong, S Salwati, C L Wong
INTRODUCTION: Individuals who are exposed to cytotoxic agents are at risk of developing therapyrelated myeloid neoplasms (t-MN). Cytogenetic findings of a neoplasm play an important role in stratifying patients into different risk groups and thus predict the response to treatment and overall survival. CASE REPORT: A 59-year-old man was diagnosed with acute promyelocytic leukaemia. Following this, he underwent all-trans retinoic acid (ATRA) based chemotherapy and achieved remission...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/27991718/polycythemia-vera-and-essential-thrombocythemia-2017-update-on-diagnosis-risk-stratification-and-management
#20
Ayalew Tefferi, Tiziano Barbui
DISEASE OVERVIEW: Polycythemia Vera (PV) and essential thrombocythemia (ET) are myeloproliferative neoplasms respectively characterized by erythrocytosis and thrombocytosis; other disease features include leukocytosis, splenomegaly, thrombosis, bleeding, microcirculatory symptoms, pruritus, and risk of leukemic or fibrotic transformation. DIAGNOSIS: PV is defined by a JAK2 mutation, whose absence, combined with normal or increased serum erythropoietin level, makes the diagnosis unlikely...
January 2017: American Journal of Hematology
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