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https://www.readbyqxmd.com/read/28336937/results-of-the-randomized-phase-iib-arctic-trial-of-low-dose-rituximab-in-previously-untreated-cll
#1
D R Howard, T Munir, L McParland, A C Rawstron, D Milligan, A Schuh, A Hockaday, D J Allsup, S Marshall, A S Duncombe, J L O'Dwyer, A F Smith, R Longo, A Varghese, P Hillmen
ARCTIC was a multi-center, randomized-controlled, open, phase IIB non-inferiority trial in previously untreated Chronic Lymphocytic Leukemia (CLL). Conventional frontline therapy in fit patients is fludarabine, cyclophosphamide and rituximab (FCR). The trial hypothesized that including mitoxantrone with low-dose rituximab (FCM-miniR) would be non-inferior to FCR. 200 patients were recruited to assess the primary endpoint of complete remission (CR) rates according to IWCLL criteria. Secondary endpoints were progression-free survival (PFS), overall survival (OS), overall response rate, minimal residual disease (MRD) negativity, safety and cost-effectiveness...
March 24, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28331814/molecular-techniques-for-the-personalised-management-of-patients-with-chronic-myeloid-leukaemia
#2
REVIEW
Mary Alikian, Robert Peter Gale, Jane F Apperley, Letizia Foroni
Chronic myeloid leukemia (CML) is the paradigm for targeted cancer therapy. RT-qPCR is the gold standard for monitoring response to tyrosine kinase-inhibitor (TKI) therapy based on the reduction of blood or bone marrow BCR-ABL1. Some patients with CML and very low or undetectable levels of BCR-ABL1 transcripts can stop TKI-therapy without CML recurrence. However, about 60 percent of patients discontinuing TKI-therapy have rapid leukaemia recurrence. This has increased the need for more sensitive and specific techniques to measure residual CML cells...
March 2017: Biomolecular Detection and Quantification
https://www.readbyqxmd.com/read/28331056/monitoring-of-childhood-all-using-bcr-abl1-genomic-breakpoints-identifies-a-subgroup-with-cml-like-biology
#3
Lenka Hovorkova, Marketa Zaliova, Nicola C Venn, Kirsten Bleckmann, Marie Trkova, Eliska Potuckova, Martina Vaskova, Jana Linhartova, Katerina Machova Polakova, Eva Fronkova, Walter Muskovic, Jodie E Giles, Peter J Shaw, Gunnar Cario, Rosemary Sutton, Jan Stary, Jan Trka, Jan Zuna
We used the genomic breakpoint between BCR and ABL1 genes for the DNA-based monitoring of minimal residual disease (MRD) in 48 patients with childhood acute lymphoblastic leukemia (ALL). Comparing the results with standard MRD monitoring based on immunoglobulin/T-cell receptor (Ig/TCR) gene rearrangements and with quantification of IKZF1 deletion, we observed very good correlation for the methods in a majority of patients; however, over 20% of children (25% [8/32] with minor and 12.5% [1/8] with Major-BCR-ABL1 variants in the consecutive cohorts) had significantly (>1 log) higher levels of BCR-ABL1 fusion than Ig/TCR rearrangements and/or IKZF1 deletion...
March 22, 2017: Blood
https://www.readbyqxmd.com/read/28324281/detection-of-minimal-residual-disease-in-childhood-b-acute-lymphoblastic-leukemia-by-4-color-flowcytometry
#4
Ahmad Baraka, Laila M Sherief, Naglaa M Kamal, Shereen El Shorbagy
Monitoring of minimal residual disease (MRD) is currently considered the most powerful predictor of outcome in acute lymphoblastic leukemia (ALL). Achievement of a negative MRD state assessed by multicolor flowcytometry (MFC) is an important predictor of disease-free survival (DFS) and overall survival (OS) in ALL patients. We sought to determine whether panels of antibodies combination are more suitable for detection of MRD in Childhood ALL. Eighty-four (84) patients with ALL (B-lineage subtype) were enrolled in this study...
March 21, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28319094/targeting-c-fos-and-dusp1-abrogates-intrinsic-resistance-to-tyrosine-kinase-inhibitor-therapy-in-bcr-abl-induced-leukemia
#5
Meenu Kesarwani, Zachary Kincaid, Ahmed Gomaa, Erika Huber, Sara Rohrabaugh, Zain Siddiqui, Muhammad F Bouso, Tahir Latif, Ming Xu, Kakajan Komurov, James C Mulloy, Jose A Cancelas, H Leighton Grimes, Mohammad Azam
Tyrosine-kinase inhibitor (TKI) therapy for human cancers is not curative, and relapse occurs owing to the continued presence of tumor cells, referred to as minimal residual disease (MRD). The survival of MRD stem or progenitor cells in the absence of oncogenic kinase signaling, a phenomenon referred to as intrinsic resistance, depends on diverse growth factors. Here we report that oncogenic kinase and growth-factor signaling converge to induce the expression of the signaling proteins FBJ osteosarcoma oncogene (c-FOS, encoded by Fos) and dual-specificity phosphatase 1 (DUSP1)...
March 20, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28315400/multicolor-flow-cytometry-and-multi-gene-next-generation-sequencing-are-complementary-and-highly-predictive-for-relapse-in-acute-myeloid-leukemia-following-allogeneic-transplant
#6
Bartlomiej M Getta, Sean M Devlin, Ross L Levine, Maria E Arcila, Abhinita S Mohanty, Ahmet Zehir, Martin S Tallman, Sergio A Giralt, Mikhail Roshal
Minimal Residual disease (MRD) in acute myeloid leukemia (AML) is typically measured using multi-parameter flow cytometry (MFC). Detection of leukemia mutations using multi-gene next generation sequencing (NGS) can potentially be used to measure residual disease. We used a targeted 28-gene NGS panel to detect mutations and different-from-normal 10-colour MFC to measure MRD in AML patients before allogeneic hematopoietic stem cell transplant (HCT). Residual disease was defined when any abnormal blast population was detected using MFC and when any leukemia allele was detected with a variant allele frequency (VAF) ≥5% using NGS...
March 14, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28304122/comparative-study-of-magnetic-resonance-defaecography-and-evacuation-proctography-in-the-evaluation-of-obstructed-defaecation
#7
A Zafa, C Seretis, M Feretis, S Karandikar, S C Williams, M Goldstein, M Chapman
AIM: Obstructed defaecation syndrome (ODS) is a common condition of multifactorial aetiology and requires specialised evaluation. Accurate and reproducible pelvic floor imaging is imperative for multidisciplinary decision-making. Evacuation Proctography (EP) and Magnetic Resonance Defaecography (MRD) are the main imaging modalities used to assess dynamic pelvic floor function. The aim of this prospective study was to compare the findings and acceptability of MRD and EP in the same cohort of patients...
March 17, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28287637/minimal-residual-disease-mrd-assessment-by-flow-cytometry-after-asct-for-al-amyloidosis-are-we-there-yet
#8
H Lee, P Duggan, P Neri, J Tay, N J Bahlis, V H Jimenez-Zepeda
No abstract text is available yet for this article.
March 13, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28285386/comparison-of-outcomes-after-donor-lymphocyte-infusion-with-or-without-prior-chemotherapy-for-minimal-residual-disease-in-acute-leukemia-myelodysplastic-syndrome-after-allogeneic-hematopoietic-stem-cell-transplantation
#9
Xiao-Dong Mo, Xiao-Hui Zhang, Lan-Ping Xu, Yu Wang, Chen-Hua Yan, Huan Chen, Yu-Hong Chen, Wei Han, Feng-Rong Wang, Jing-Zhi Wang, Kai-Yan Liu, Xiao-Jun Huang
The efficacy of donor lymphocyte infusion (DLI) without chemotherapy was investigated and compared with that of chemotherapy prior to DLI (Chemo-DLI) in patients who were minimal residual disease (MRD)-positive after allogeneic hematopoietic stem cell transplantation (HSCT). We enrolled 115 consecutive patients who received either DLI (n = 20) or Chemo-DLI (n = 95) during the same period. For each DLI recipient, three recipients matched for age at the HSCT, underlying diseases, and the year of the HSCT were randomly selected from the Chemo-DLI cohort (n = 60)...
March 11, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28283783/multivariate-analysis-of-risk-factors-for-patients-with-stage-4-neuroblastoma-who-were-older-than-18-months-at-diagnosis-a-report-from-a-single-institute-in-shanghai-china
#10
Jiaoyang Cai, Ci Pan, Yanjing Tang, Jing Chen, Min Zhou, Benshang Li, Huiliang Xue, Shuhong Shen, Yijin Gao, AnAn Zhang, Jingyan Tang
This retrospective study evaluated the long-term outcomes and prognostic indicators of patients with stage 4 neuroblastoma who were older than 18 months at diagnosis. The medical records of 118 such children who were treated at Shanghai Children's Medical Center, China, from June 1998-December 2013 were reviewed. Event-free survival (EFS) and overall survival (OS) were analyzed by log-rank tests. Of the 118 patients, 14 improving patients did not complete treatment because of parental decisions, and 1 patient died during surgery...
March 11, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28280089/successful-transfer-of-umbilical-cord-blood-cd34-hematopoietic-stem-and-progenitor-derived-nk-cells-in-older-acute-myeloid-leukemia-patients
#11
Harry Dolstra, Mieke W H Roeven, Jan Spanholtz, Basav N Hangalapura, Marleen Tordoir, Frans Maas, Marij Leenders, Fenna Bohme, Nina Kok, Carel Trilsbeek, Jos Paardekooper, Anniek B van der Waart, Peter E Westerweel, Tjeerd J F Snijders, Jan J Cornelissen, Gerard M J Bos, Hans F M Pruijt, Aniek O De Graaf, Bert van der Reijden, Joop H Jansen, Arnold van der Meer, Gerwin Huls, Jeannette Cany, Frank Preijers, Nicole M A Blijlevens, Nicolaas M Schaap
PURPOSE: Older acute myeloid leukemia (AML) patients have a poor prognosis, therefore novel therapies are needed. Allogeneic natural killer (NK) cells have been adoptively transferred with promising clinical results. Here, we report the first-in-human study exploiting an unique scalable NK cell product generated ex vivo from CD34+ hematopoietic stem and progenitor cells (HSPCs) from partially HLA-matched umbilical cord blood units. EXPERIMENTAL DESIGN: Ten older AML patients in morphologic complete remission received an escalating HSPC-NK cell dose (between 3 and 30x10^6/kg body weight) after lymphodepleting chemotherapy without cytokine boosting...
March 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28279035/-effect-of-minimal-residual-disease-monitoring-by-multiparameter-flow-cytometry-pre-conditioning-on-prognosis-of-acute-myeloid-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation
#12
Y Lu, T Wu, H Wang, Y L Zhao, X Y Cao, D Y Liu, J P Zhang, M Xiong, J R Zhou, R J Sun, Z J Wei, S Q Ji, D P Lu
Objective: To investigate the effect of minimal residual disease (MRD) monitoring by multiparameter flow cytometry (MFC) pre-conditioning on prognosis of acute myeloid leukemia in first complete remission (CR(1)-AML) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) , and to explore the value of MRD monitoring by MFC in the prognosis evaluation on allo-HSCT in CR(1)-AML. Methods: Between April 2012 and March 2015, consecutive 186 patients with CR(1)-AML who underwent allo-HSCT were analyzed retrospectively...
February 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28276309/analysis-of-microrna-mrna-interactions-in-stem-cell-enriched-fraction-of-oral-squamous-cell-carcinoma
#13
Vinitha Richard, Rajesh Raju, Aswathy Mary Paul, Reshmi Girijadevi, Thankayyan Retnabai Santhoshkumar, Madhavan Radhakrishna Pillai
This study is an integrated analysis of the transcriptome profile, MicroRNA (miRNA) and their experimentally validatedmRNA targets differentially expressed in the tumorigenic stem-like fraction of oral squamous cell carcinoma (OSCC). We had previously reported the co-existence of multiple drug resistant, tumorigenic fractions termed as side population (SP1, SP2 and MP2) and a non-tumorigenic fraction, main population (MP1) in oral cancer. These fractions displayed self-renewal, regeneration potential and expressed known stemness related cell surface markers despite functional differences...
March 9, 2017: Oncology Research
https://www.readbyqxmd.com/read/28269230/auto-adjusting-mandibular-repositioning-device-for-in-home-use
#14
R Brugarolas, J M Valero-Sarmiento, A Bozkurt, G K Essick
Obstructive Sleep Apnea (OSA) is a form of respiratory dysfunction that affects 20% of adults in the world. Among the first-line treatments that are used to mitigate the effects of OSA are continuous positive airway pressure (CPAP) and mandibular repositioning devices (MRD). Although CPAP provides a more efficacious therapy than MRDs, recent studies suggest that both are comparable in overall effectiveness due to greater patient preference and adherence to MRD therapy. In this paper, we present the Auto-Positioner, a novel add-on for MRDs that adjusts the extent to which the mandible (lower jaw) is advanced in response to respiratory signals indicating labored breathing during sleep, and to changes in sleeping position known to affect individual patient's airway patency...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268092/droplet-digital-pcr-is-a-reliable-tool-for-monitoring-minimal-residual-disease-in-acute-promyelocytic-leukemia
#15
Claudia Brunetti, Luisa Anelli, Antonella Zagaria, Angela Minervini, Crescenzio F Minervini, Paola Casieri, Nicoletta Coccaro, Cosimo Cumbo, Giuseppina Tota, Luciana Impera, Paola Orsini, Giorgina Specchia, Francesco Albano
Nested PCR (nPCR) and real-time quantitative PCR (qPCR) are well-established methods for monitoring minimal residual disease (MRD) in acute promyelocytic leukemia (APL). Despite their remarkable sensitivity and specificity, both methods have inherent limitations, such as qualitative MRD evaluation and relative quantification. Herein, we used droplet digital PCR (ddPCR) to monitor MRD in 21 APL patients and compared its performance with nPCR and qPCR. After assessing the limit of detection (LOD) for each technique on serial dilutions of PML-RARA bcr1 and bcr3 transcripts, a total of 48 follow-up samples were analyzed and the results compared...
March 4, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28245377/-prognostic-significance-of-joint-detection-of-mir-210-and-minimal-residual-disease-in-pediatric-acute-lymphoblastic-leukemia
#16
Yan-Yan Mei, Zhi-Gang Li, Yi Zhang, Wei-Ling Zhang, Pin-Wei Zhang, Nan Wang, Dong-Sheng Huang
OBJECTIVE: To detect the expression of microRNA-210(miR-210) in childhood acute lymphoblastic leukemia(ALL), and to evaluate the role of the joint detection of miR-210 and MRD in the prognosis and clinical treatment of pediatric ALL. METHODS: Eighty-eight children diagnosed with ALL were included in the study. miR-210 was quantitatively detected by real-time quantitative polymerase chain reaction(RQ-PCR) in 88 ALL patients. The average Ct value of samples obtained from 5 pediatric ALL patients with long-term complete continuous remission (CCR>5 years) was used as a calibrator...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28244980/next-generation-sequencing-indicates-false-positive-mrd-results-and-better-predicts-prognosis-after-sct-in-patients-with-childhood-all
#17
M Kotrova, V H J van der Velden, J J M van Dongen, R Formankova, P Sedlacek, M Brüggemann, J Zuna, J Stary, J Trka, E Fronkova
Minimal residual disease (MRD) monitoring via quantitative PCR (qPCR) detection of Ag receptor gene rearrangements has been the most sensitive method for predicting prognosis and making post-transplant treatment decisions for patients with ALL. Despite the broad clinical usefulness and standardization of this method, we and others have repeatedly reported the possibility of false-positive MRD results caused by massive B-lymphocyte regeneration after stem cell transplantation (SCT). Next-generation sequencing (NGS) enables precise and sensitive detection of multiple Ag receptor rearrangements, thus providing a more specific readout compared to qPCR...
February 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28240765/prognostic-significance-of-flow-cytometry-evaluation-of-minimal-residual-disease-in-children-with-acute-myeloid-leukaemia-treated-according-to-the-aieop-aml-2002-01-study-protocol
#18
Barbara Buldini, Frida Rizzati, Riccardo Masetti, Franca Fagioli, Giuseppe Menna, Concetta Micalizzi, Maria Caterina Putti, Carmelo Rizzari, Nicola Santoro, Marco Zecca, Silvia Disarò, Roberto Rondelli, Pietro Merli, Martina Pigazzi, Andrea Pession, Franco Locatelli, Giuseppe Basso
In children with acute myeloid leukaemia (AML), assessment of initial treatment response is an essential prognostic factor; methods more sensitive than morphology are still under evaluation. We report on the measurement of minimal residual disease (MRD), by multicolour flow-cytometry in one centralized laboratory, in 142 children with newly diagnosed AML enrolled in the Associazione Italiana di EmatoOncologia Pediatrica-AML 2002/01 trial. At the end of the first induction course, MRD was <0·1% in 69, 0·1-1% in 16 and >1% in 51 patients...
February 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28227462/auto-adjusting-mandibular-repositioning-device-for-in-home-use
#19
R Brugarolas, J M Valero-Sarmiento, A Bozkurt, G K Essick, R Brugarolas, J M Valero-Sarmiento, A Bozkurt, G K Essick, J M Valero-Sarmiento, G K Essick, R Brugarolas, A Bozkurt
Obstructive Sleep Apnea (OSA) is a form of respiratory dysfunction that affects 20% of adults in the world. Among the first-line treatments that are used to mitigate the effects of OSA are continuous positive airway pressure (CPAP) and mandibular repositioning devices (MRD). Although CPAP provides a more efficacious therapy than MRDs, recent studies suggest that both are comparable in overall effectiveness due to greater patient preference and adherence to MRD therapy. In this paper, we present the Auto-Positioner, a novel add-on for MRDs that adjusts the extent to which the mandible (lower jaw) is advanced in response to respiratory signals indicating labored breathing during sleep, and to changes in sleeping position known to affect individual patient's airway patency...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224289/two-different-techniques-for-frontalis-suspension-using-gore-tex-to-treat-severe-congenital-ptosis
#20
Adel Galal Zaky, Sameh Saad Mandour, Marwa Aly Zaky, Asmaa Mohamed Ebrahem
PURPOSE: Severe congenital ptosis is commonly associated with poor levator function. This study compares the functional and cosmetic outcomes of open versus closed frontalis sling using Gore-Tex in the treatment of such conditions. METHODS: Randomized interventional comparative case series of 20 eyes of 13 patients with severe congenital ptosis with levator excursion < 4 mm. Patients were treated by frontalis suspension using Gore-Tex string sutures either through a skin crease incision (group 1) or supraciliary incisions (group II)...
February 21, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
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