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https://www.readbyqxmd.com/read/28331050/first-in-human-clinical-trial-of-oral-onc201-in-patients-with-refractory-solid-tumors
#1
Mark N Stein, Joseph R Bertino, Howard L Kaufman, Tina Mayer, Rebecca Moss, Ann Silk, Nancy Chan, Jyoti Malhotra, Lorna Rodriguez-Rodriguez, Joseph Aisner, Robert D Aiken, Bruce G Haffty, Robert S DiPaola, Tracie Saunders, Andrew Zloza, Sherri Damare, Yasmeen Beckett, Bangning Yu, Saltanat Najmi, Christian Gabel, Siobhan Dickerson, Ling Zheng, Wafik S El-Deiry, Joshua Allen, Martin Stogniew, Wolfgang Oster, Janice M Mehnert
Purpose ONC201 is a small molecule selective antagonist of the G protein-coupled receptor DRD2 that is the founding member of the imipridone class of compounds. A first-in-human phase I study of ONC201 was conducted to determine its recommended phase II dose (RP2D). Experimental Design This open-label study treated 10 patients during dose escalation with histologically-confirmed advanced solid tumors. Patients received ONC201 orally once every 3 weeks, defined as one cycle, at doses from 125 to 625 mg using an accelerated titration design...
March 22, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28318764/increasing-hiv-1-subtype-diversity-in-seven-states-united-states-2006-2013
#2
Alexandra M Oster, William M Switzer, Angela L Hernandez, Neeraja Saduvala, Joel O Wertheim, Ndidi Nwangwu-Ike, M Cheryl Ocfemia, Ellsworth Campbell, H Irene Hall
PURPOSE: The aim of the analysis was to explore HIV-1 subtype diversity in the United States and understand differences in prevalence of non-B subtypes and circulating recombinant forms (CRFs) between demographic/risk groups and over time. METHODS: We included HIV-1 polymerase sequences reported to the National HIV Surveillance System for HIV infections diagnosed during 2006-2013 in seven states. We assigned subtype or CRF using the automated subtyping tool COMET, assessed subtype/CRF prevalence by demographic characteristics and country of birth, and determined changes in subtype/CRF by HIV diagnosis year...
February 22, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28299882/systolic-ejection-click-versus-split-first-heart-sound-are-our-ears-deceiving-us
#3
Natalie M Hoeting, Courtney E McCracken, Michael McConnell, Denver Sallee, Glen J Iannucci, Matthew E Oster
OBJECTIVE: Bicuspid aortic valve (BAV) disease is associated with potential lifetime complications, but auscultation of a BAV click is commonly missed or mistaken for a benign split first heart sound. Our objective was to determine whether pediatric cardiologists could reliably distinguish between BAV clicks and benign split first heart sounds. DESIGN: Quality evaluation project using de-identified recordings from an outpatient pediatric cardiology clinic. OUTCOME MEASURES: Twenty-one cardiologists listened to five de-identified recordings of pediatric heart sounds (three with BAV clicks, two with mitral components of benign split first heart sounds) and indicated whether they believed each recording was a BAV or split first heart sound...
March 16, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28265620/glycine-functionalized-copper-ii-hydroxide-nanoparticles-with-high-intrinsic-superoxide-dismutase-activity
#4
Karsten Korschelt, Ruben Ragg, Carmen S Metzger, Martin Kluenker, Michael Oster, Bastian Barton, Martin Panthöfer, Dennis Strand, Ute Kolb, Mihail Mondeshki, Susanne Strand, Jürgen Brieger, M Nawaz Tahir, Wolfgang Tremel
Superoxide dismutases (SOD) are a group of enzymes that catalyze the dismutation of superoxide (O2(-)) radicals into molecular oxygen (O2) and H2O2 as a first line of defense against oxidative stress. Here, we show that glycine-functionalized copper(ii) hydroxide nanoparticles (Gly-Cu(OH)2 NPs) are functional SOD mimics, whereas bulk Cu(OH)2 is insoluble in water and catalytically inactive. In contrast, Gly-Cu(OH)2 NPs form water-dispersible mesocrystals with a SOD-like activity that is larger than that of their natural CuZn enzyme counterpart...
March 7, 2017: Nanoscale
https://www.readbyqxmd.com/read/28260177/older-age-at-the-completion-of-linear-growth-is-associated-with-an-increased-risk-of-adult-glioma
#5
Rebecca B Little, L Burt Nabors, Jeffrey J Olson, Zachary J Thompson, Carrie M Rozmeski, Renato V LaRocca, Peter A Forsyth, Reid C Thompson, Robert A Oster, Sajeel A Chowdhary, Kathleen M Egan
PURPOSE: To examine the association of age when adult height was attained with glioma risk. METHODS: We analyzed data from a US-based case-control study of glioma risk factors. Logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (CI) associated between age at attainment of adult height and glioma risk. Multivariate models were adjusted for age, race, sex, education, and state of residence. We examined associations overall, and according to glioma grade, sex, and final adult height...
March 4, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28070770/a-dance-intervention-for-cancer-survivors-and-their-partners-rhythm
#6
Maria Pisu, Wendy Demark-Wahnefried, Kelly M Kenzik, Robert A Oster, Chee Paul Lin, Sharon Manne, Ronald Alvarez, Michelle Y Martin
PURPOSE: The purpose of this study was to assess the feasibility, acceptability, and impact of a ballroom dance intervention on improving quality of life (QOL) and relationship outcomes in cancer survivors and their partners. METHODS: We conducted a pilot randomized controlled trial with two arms (Restoring Health in You (and Your Partner) through Movement, RHYTHM): (1) immediate dance intervention and (2) delayed intervention (wait-list control). The intervention consisted of 10 private weekly dance lessons and 2 practice parties over 12 weeks...
January 9, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28005480/hiv-1-infection-and-transmission-networks-of-younger-people-in-chicago-illinois-2005-2011
#7
Ethan Morgan, Alexandra M Oster, Stephanie Townsell, Donna Peace, Nanette Benbow, John A Schneider
OBJECTIVE: Analysis of HIV nucleotide sequences can be used to identify people with highly similar HIV strains and understand transmission patterns. The objective of this study was to identify groups of people highly connected by HIV transmission and the extent to which transmission occurred within and between geographic areas in Chicago, Illinois. METHODS: We analyzed genetic sequences in the HIV-1 pol region in samples collected from people participating in the VARHS program in Chicago during 2005-2011...
January 2017: Public Health Reports
https://www.readbyqxmd.com/read/27986688/male-to-female-sexual-transmission-of-zika-virus-united-states-january-april-2016
#8
Kate Russell, Susan L Hills, Alexandra M Oster, Charsey Cole Porse, Gregory Danyluk, Marshall Cone, Richard Brooks, Sarah Scotland, Elizabeth Schiffman, Carolyn Fredette, Jennifer L White, Katherine Ellingson, Allison Hubbard, Amanda Cohn, Marc Fischer, Paul Mead, Ann M Powers, John T Brooks
We report on 9 cases of male-to-female sexual transmission of Zika virus in the United States occurring January-April 2016. This report summarizes new information about both timing of exposure and symptoms of sexually transmitted Zika virus disease, and results of semen testing for Zika virus from 2 male travelers.
January 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27972216/phase-iii-trial-of-recombinant-human-parathyroid-hormone-in-hypoparathyroidism-a-post-hoc-analysis-of-change-in-health-state-utility-among-responders
#9
D Weycker, K Chen, M Vera-Llonch, R Bornheimer, G Oster
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27894567/proportion-of-selected-congenital-heart-defects-attributable-to-recognized-risk-factors
#10
Regina M Simeone, Sarah C Tinker, Suzanne M Gilboa, A J Agopian, Matthew E Oster, Owen J Devine, Margaret A Honein
PURPOSE: To assess the contribution of multiple risk factors for two congenital heart defects-hypoplastic left heart syndrome (HLHS) and tetralogy of Fallot (TOF). METHODS: We used data from the National Birth Defects Prevention Study (1997-2011) to estimate average adjusted population attributable fractions for several recognized risk factors, including maternal prepregnancy overweight-obesity, pregestational diabetes, age, and infant sex. RESULTS: There were 594 cases of isolated simple HLHS, 971 cases of isolated simple TOF, and 11,829 controls in the analysis...
December 2016: Annals of Epidemiology
https://www.readbyqxmd.com/read/27855999/assessment-of-growth-6-years-after-the-norwood-procedure
#11
Phillip T Burch, Chitra Ravishankar, Jane W Newburger, Linda M Lambert, Victoria L Pemberton, Suzanne Granger, Alejandro A Floh, Jeffrey B Anderson, Garick D Hill, Kevin D Hill, Matthew E Oster, Alan B Lewis, Kurt R Schumacher, Sinai C Zyblewski, Ryan R Davies, Jeffrey P Jacobs, Wyman W Lai, L LuAnn Minich
At 6 years of age, patients with hypoplastic left heart syndrome had mean age-adjusted z-scores for weight and height below the normative population, and body mass index was similar to the normative population. Males had the greatest increase in z-scores for body mass index. TRIAL REGISTRATION: ClinicalTrials.gov: NCT00115934.
January 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/27777443/best-practices-for-biostatistical-consultation-and-collaboration-in-academic-health-centers
#12
Susan M Perkins, Peter Bacchetti, Cynthia S Davey, Christopher J Lindsell, Madhu Mazumdar, Robert A Oster, Peter N Peduzzi, David M Rocke, Kyle D Rudser, Mimi Kim
Given the increasing level and scope of biostatistics expertise needed at academic health centers today, we developed best practices guidelines for biostatistics units to be more effective in providing biostatistical support to their institutions, and in fostering an environment in which unit members can thrive professionally. Our recommendations focus on the key areas of: 1) funding sources and mechanisms; 2) providing and prioritizing access to biostatistical resources; and 3) interacting with investigators...
2016: American Statistician
https://www.readbyqxmd.com/read/27690710/achieve-control-a-pragmatic-clinical-trial-of-insulin-glargine-300-u-ml-versus-other-basal-insulins-in-insulin-na%C3%A3-ve-patients-with-type-2-diabetes
#13
RANDOMIZED CONTROLLED TRIAL
Gerry Oster, Sean D Sullivan, Mehul R Dalal, Mahmood R Kazemi, Maria Rojeski, Carol H Wysham, Jennifer Sung, Bryan Johnstone, Anna M G Cali, L J Wei, Louise Traylor, Henry Anhalt, Michelle Hull, John Van Vleet, Luigi F Meneghini
OBJECTIVE: This study aims to compare the effectiveness of insulin glargine 300 U/mL (Gla-300) with its accompanying patient support program with that of other basal insulin and available patient support programs in patients with type 2 diabetes (T2D) in a real-world setting in terms of achieving HEDIS (Healthcare Effectiveness Data and Information Set) individualized glycemic targets without documented symptomatic hypoglycemia. METHODS: Achieve Control is a US-based, multicenter, randomized, open-label, active-controlled, parallel group pragmatic Phase IV trial in insulin-naïve patients with T2D uncontrolled on ≥2 oral antidiabetes drugs (OAD) and/or glucagon-like peptide-1 receptor antagonists (GLP-1 RA)...
November 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27582295/implications-of-cellular-models-of-dopamine-neurons-for-disease
#14
REVIEW
Carmen C Canavier, Rebekah C Evans, Andrew M Oster, Eleftheria K Pissadaki, Guillaume Drion, Alexey S Kuznetsov, Boris S Gutkin
This review addresses the present state of single-cell models of the firing pattern of midbrain dopamine neurons and the insights that can be gained from these models into the underlying mechanisms for diseases such as Parkinson's, addiction, and schizophrenia. We will explain the analytical technique of separation of time scales and show how it can produce insights into mechanisms using simplified single-compartment models. We also use morphologically realistic multicompartmental models to address spatially heterogeneous aspects of neural signaling and neural metabolism...
December 1, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27546027/azacitidine-lenalidomide-vilen-combination-yields-a-high-response-rate-in-higher-risk-myelodysplastic-syndromes-mds-vilen-01-protocol
#15
MULTICENTER STUDY
Moshe Mittelman, Kalman Filanovsky, Yishai Ofran, Hanna Rosenbaum, Pia Raanani, Andrei Braester, Neta Goldschmidt, Ilya Kirgner, Yair Herishanu, Chava Perri, Martin Ellis, Howard S Oster
Azacitidine treatment is effective in higher risk MDS (HR-MDS), with less than 50 % response, lasting 2 years. Aza and lenalidomide (Len) have a potential synergistic effect. ViLen-01 phase IIa trial includes 6-month induction (Aza 75 mg/m(2)/day, days 1-5, Len 10 mg/day, days 6-21, every 28 days), 6-month consolidation (Aza 75 mg/m(2)/day, days 1-5, every 28 days), and 12-month maintenance (Len 10 mg/day, days 1-21, every 28 days). Response was evaluated according to IWG criteria. Totally, 25 patients enrolled, with an average of 76...
October 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27542590/impact-of-adjuvant-chemoradiation-on-survival-in-patients-with-resectable-cholangiocarcinoma
#16
Laura L Dover, Robert A Oster, Andrew M McDonald, Derek A DuBay, Thomas N Wang, Rojymon Jacob
BACKGROUND: The ideal adjuvant therapy for resected cholangiocarcinoma remains controversial. National guidelines stratify recommendations based on margin status, though few studies are currently available for reference. METHODS: Data was abstracted on all patients with definitive resections of cholangiocarcinoma at our institution between 2000 and 2013. Adjuvant chemoradiation consisted of 45 Gy delivered to elective nodal regions and 50.4-54 Gy to the surgical bed with concurrent fluoropyrimidine-based chemotherapy...
October 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/27508439/the-limiting-speed-of-the-bacterial-flagellar-motor
#17
Jasmine A Nirody, Richard M Berry, George Oster
Recent experiments on the bacterial flagellar motor have shown that the structure of this nanomachine, which drives locomotion in a wide range of bacterial species, is more dynamic than previously believed. Specifically, the number of active torque-generating complexes (stators) was shown to vary across applied loads. This finding brings under scrutiny the experimental evidence reporting that limiting (zero-torque) speed is independent of the number of active stators. In this study, we propose that, contrary to previous assumptions, the maximum speed of the motor increases as additional stators are recruited...
August 9, 2016: Biophysical Journal
https://www.readbyqxmd.com/read/27506544/in-hospital-vital-status-and-heart-transplants-after-intervention-for-congenital-heart-disease-in-the-pediatric-cardiac-care-consortium-completeness-of-ascertainment-using-the-national-death-index-and-united-network-for-organ-sharing-datasets
#18
Logan G Spector, Jeremiah S Menk, Jeffrey M Vinocur, Matthew E Oster, Brian A Harvey, James D St Louis, James Moller, Lazaros K Kochilas
BACKGROUND: The long-term outcomes of patients undergoing interventions for congenital heart disease (CHD) remain largely unknown. We linked the Pediatric Cardiac Care Consortium (PCCC) with the National Death Index (NDI) and the United Network for Organ Sharing Dataset (UNOS) registries to study mortality and transplant occurring up to 32 years postintervention. The objective of the current analysis was to determine the sensitivity of this linkage in identifying patients who are known to have died or undergone heart transplant...
August 9, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27478273/intermolecular-interactions-and-protein-dynamics-by-solid-state-nmr-spectroscopy
#19
Jonathan M Lamley, Carl Öster, Rebecca A Stevens, Józef R Lewandowski
Understanding the dynamics of interacting proteins is a crucial step toward describing many biophysical processes. Here we investigate the backbone dynamics for protein GB1 in two different assemblies: crystalline GB1 and the precipitated GB1-antibody complex with a molecular weight of more than 300 kDa. We perform these measurements on samples containing as little as eight nanomoles of GB1. From measurements of site-specific (15)N relaxation rates including relaxation dispersion we obtain snapshots of dynamics spanning nine orders of magnitude in terms of the time scale...
December 14, 2015: Angewandte Chemie
https://www.readbyqxmd.com/read/27446860/oral-5-aminosalicylate-mesalamine-suppository-and-mesalamine-enema-as-initial-therapy-for-ulcerative-proctitis-in-clinical-practice-with-quality-of-care-implications
#20
James M Richter, Nabeela K Arshi, Gerry Oster
Background. Ulcerative proctitis (UP) is typically treated initially with oral 5-aminosalicylate ("5-ASA"), mesalamine suppository, or mesalamine enema ("UP Rx"). Little is known about their effectiveness in practice. Methods. Using a US health insurance database, we identified new-onset UP patients between January 1, 2005, and December 31, 2007, based on the following: (1) initiation of UP Rx; (2) endoscopy in prior 30 days resulting in diagnosis of UP; and (3) no prior encounters for ulcerative colitis or Crohn's disease...
2016: Canadian Journal of Gastroenterology & Hepatology
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