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Samir gupta

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https://www.readbyqxmd.com/read/28873161/effect-of-colonoscopy-outreach-vs-fecal-immunochemical-test-outreach-on-colorectal-cancer-screening-completion-a-randomized-clinical-trial
#1
RANDOMIZED CONTROLLED TRIAL
Amit G Singal, Samir Gupta, Celette Sugg Skinner, Chul Ahn, Noel O Santini, Deepak Agrawal, Christian A Mayorga, Caitlin Murphy, Jasmin A Tiro, Katharine McCallister, Joanne M Sanders, Wendy Pechero Bishop, Adam C Loewen, Ethan A Halm
Importance: Mailed fecal immunochemical test (FIT) outreach is more effective than colonoscopy outreach for increasing 1-time colorectal cancer (CRC) screening, but long-term effectiveness may need repeat testing and timely follow-up for abnormal results. Objective: Compare the effectiveness of FIT outreach and colonoscopy outreach to increase completion of the CRC screening process (screening initiation and follow-up) within 3 years. Design, Setting, and Participants: Pragmatic randomized clinical trial from March 2013 to July 2016 among 5999 participants aged 50 to 64 years who were receiving primary care in Parkland Health and Hospital System and were not up to date with CRC screenings...
September 5, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28857960/novel-interprofessional-mentoring-intervention-to-improve-spirometry-in-primary-care-uptake-feedback-and-effects-on-behavioral-intention
#2
Samir Gupta, Christopher Allen, Dilshad Moosa, Ana MacPherson, Itamar E Tamari
INTRODUCTION: Little is known about the nature and effects of mentoring interventions on evidence-based clinician behaviors. We sought to design and evaluate a novel mentorship-based intervention to improve the usage of spirometry in primary care. METHODS: This was a prospective one-year study of a pragmatic intervention across Canadian primary care sites. We established mentor-mentee pods, each including physician and nurse/allied health mentors and mentees, and enabled communication through a secure online portal; email; telephone; teleconference; videoconference; fax; and/or in person...
July 2017: Journal of Continuing Education in the Health Professions
https://www.readbyqxmd.com/read/28817706/hiv-infection-antiretroviral-therapy-and-measures-of-endothelial-function-inflammation-metabolism-and-oxidative-stress
#3
Andrew Dysangco, Ziyue Liu, James H Stein, Michael P Dubé, Samir K Gupta
BACKGROUND: HIV-infected patients have an increased risk of cardiovascular disease (CVD). Impaired endothelial function is an early risk factor for CVD in the general population. It is presumed that HIV infection is associated with impaired endothelial function, but results have been inconsistent. OBJECTIVES: Our objectives were to determine the relationships between HIV infection, virologic suppression with antiretroviral therapy (ART), in vivo measures of conduit artery and microvascular endothelial function, and circulating biomarkers of pathways associated with CVD...
2017: PloS One
https://www.readbyqxmd.com/read/28815044/agonist-anti-gitr-antibody-significantly-enhances-the-therapeutic-efficacy-of-listeria-monocytogenes-based-immunotherapy
#4
Rajeev Shrimali, Shamim Ahmad, Zuzana Berrong, Grigori Okoev, Adelaida Matevosyan, Ghazaleh Shoja E Razavi, Robert Petit, Seema Gupta, Mikayel Mkrtichyan, Samir N Khleif
BACKGROUND: We previously demonstrated that in addition to generating an antigen-specific immune response, Listeria monocytogenes (Lm)-based immunotherapy significantly reduces the ratio of regulatory T cells (Tregs)/CD4(+) and myeloid-derived suppressor cells (MDSCs) in the tumor microenvironment. Since Lm-based immunotherapy is able to inhibit the immune suppressive environment, we hypothesized that combining this treatment with agonist antibody to a co-stimulatory receptor that would further boost the effector arm of immunity will result in significant improvement of anti-tumor efficacy of treatment...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28807056/agonist-anti-gitr-antibody-significantly-enhances-the-therapeutic-efficacy-of-listeria-monocytogenes-based-immunotherapy
#5
Rajeev Shrimali, Shamim Ahmad, Zuzana Berrong, Grigori Okoev, Adelaida Matevosyan, Ghazaleh Shoja E Razavi, Robert Petit, Seema Gupta, Mikayel Mkrtichyan, Samir N Khleif
BACKGROUND: We previously demonstrated that in addition to generating an antigen-specific immune response, Listeria monocytogenes (Lm)-based immunotherapy significantly reduces the ratio of regulatory T cells (Tregs)/CD4(+) and myeloid-derived suppressor cells (MDSCs) in the tumor microenvironment. Since Lm-based immunotherapy is able to inhibit the immune suppressive environment, we hypothesized that combining this treatment with agonist antibody to a co-stimulatory receptor that would further boost the effector arm of immunity will result in significant improvement of anti-tumor efficacy of treatment...
August 15, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28729411/recognized-obstructive-sleep-apnea-is-associated-with-improved-in-hospital-outcomes-after-st-elevation-myocardial-infarction
#6
Divyanshu Mohananey, Pedro A Villablanca, Tanush Gupta, Sahil Agrawal, Michael Faulx, Venugopal Menon, Samir R Kapadia, Brian P Griffin, Stephen G Ellis, Milind Y Desai
BACKGROUND: Obstructive sleep apnea (OSA) is an independent risk factor for many cardiovascular conditions such as coronary artery disease, myocardial infarction, systemic hypertension, pulmonary hypertension, and stroke. However, the association of OSA with outcomes in patients hospitalized for ST-elevation myocardial infarction remains controversial. METHODS AND RESULTS: We used the nation-wide inpatient sample between 2003 and 2011 to identify patients with a primary discharge diagnosis of ST-elevation myocardial infarction and then used the International Classification of Diseases, Clinical Modification code 327...
July 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28671169/hemoptysis-beyond-routine-chest-computed-tomography-and-bronchoscopy
#7
Saurabh Mall, Rahul Kumar Sharma, Deepak Prajapat, Samir K Gupta, Deepak Talwar
Hemoptysis is considered as a medical emergency which requires urgent stabilization with identification and correction of underlying etiology. Diagnosis of the cause of hemoptysis is not always readily identified after bronchoscopy and conventional computed tomography (CT) chest. Arteriovenous malformation (AVM) is a rare but important cause of massive hemoptysis which can be easily picked up by the use of double turn contrast CT chest. We here report a rare congenital AVM anomaly called Klippel-Trenaunay-Parks-Weber syndrome as a cause of massive hemoptysis and utility of double turn CT in diagnosing AVM as a cause of hemoptysis...
July 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28634873/evaluating-two-evidence-based-intervention-strategies-to-promote-crc-screening-among-latino-adults-in-a-primary-care-setting
#8
Sheila F Castañeda, Balambal Bharti, Rebeca Aurora Espinoza-Giacinto, Valerie Sanchez, Shawne O'Connell, Fatima Muñoz, Sylvia Mercado, Marie Elena Meza, Wendy Rojas, Gregory A Talavera, Samir Gupta
Regular use of colorectal cancer screening can reduce incidence and mortality, but participation rates remain low among low-income, Spanish-speaking Latino adults. We conducted two distinct pilot studies testing the implementation of evidence-based interventions to promote fecal immunochemical test (FIT) screening among Latinos aged 50-75 years who were not up-to-date with CRC screening (n = 200) at a large Federally Qualified Health Center (FQHC) in San Diego, CA. One pilot focused on an opportunistic clinic visit "in-reach" intervention including a 30-min session with a patient navigator, review of an educational "flip-chart," and a take-home FIT kit with instructions...
June 20, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28569252/somatic-pi3k-activity-regulates-transition-to-the-spermatocyte-stages-in-drosophila-testis
#9
Samir Gupta, Krishanu Ray
Spermatogenesis, involving multiple transit amplification divisions and meiosis, occurs within an enclosure formed by two somatic cells. As the cohort of germline cells divide and grow, the surface areas of the somatic cells expand maintaining a tight encapsulation throughout the developmental period. Correlation between the somatic cell growth and germline development is unclear. Here, we report standardization of a quantitative assay developed for estimating the somatic roles of target molecules on germline division and differentiation in Drosophila testis...
June 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28550121/bcl6-represses-antiviral-resistance-in-follicular-t-helper-cells
#10
Tohti Amet, Young Min Son, Li Jiang, In Su Cheon, Su Huang, Samir K Gupta, Alexander L Dent, Luis J Montaner, Qigui Yu, Jie Sun
Follicular Th (Tfh) cells are a distinct subset of Th cells that help B cells produce class-switched antibodies. Studies have demonstrated that Tfh cells are highly prone to HIV infection and replication. However, the molecular mechanisms underlying this phenomenon are largely unclear. Here, we show that murine and human Tfh cells have diminished constitutive expression of IFN-stimulated genes (ISGs) inclusive of antiviral resistance factor MX dynamin-like GTPase 2 (MX2) and IFN-induced transmembrane 3 (IFITM3) compared with non-Tfh cells...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28513861/regulatory-and-ethical-issues-in-pediatric-clinical-research-recommendations-from-a-panel-discussion
#11
Nilima Kshirsagar, Soumya Swaminathan, Pramod Jog, Samir Dalwai, Roli Mathur, Chandra Shekhar, Bernd Meibohm, Y K Gupta, Nusrat Shafiq, Gangadhar Sunkara, V G Somani, Prasad Kulkarni, Brian Tseng, Dhvani Mehta
No abstract text is available yet for this article.
August 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28487203/mmps-timps-imbalances-in-the-peripheral-blood-and-cerebrospinal-fluid-are-associated-with-the-pathogenesis-of-hiv-1-associated-neurocognitive-disorders
#12
Yanyan Xing, Nicole Shepherd, Jie Lan, Wei Li, Sushmita Rane, Samir K Gupta, Shanxiang Zhang, Jun Dong, Qigui Yu
HIV-1-associated neurocognitive disorders (HAND) continue to be a major concern in the infected population, despite the widespread use of combined antiretroviral therapy (cART). Growing evidence suggests that an imbalance between matrix metalloproteinases (MMPs) and endogenous tissue inhibitors of MMPs (TIMPs) contributes to the pathogenesis of HAND. In our present study, we examined protein levels and enzymatic activities of MMPs and TIMPs in both plasma and cerebrospinal fluid (CSF) samples from HIV-1 patients with or without HAND and HIV-1-negative controls...
May 6, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28461295/an-evidence-based-point-of-care-tool-to%C3%A2-guide-completion-of-asthma-action-plans%C3%A2-in-practice
#13
Andrew Kouri, Louis-Philippe Boulet, Alan Kaplan, Samir Gupta
Asthma action plans (AAPs) reduce healthcare utilisation, improve quality of life and are recommended across guidelines. However, fewer than 25% of patients receive an AAP, partly due to prescribers' inability to complete "yellow zone" instructions (how to intensify therapy for acute loss of control). We sought to review best evidence to develop a practical, evidence-based tool to facilitate yellow zone guidance in adults.We reviewed recent asthma guidelines and adult studies addressing acute loss of asthma control (January 2010 to March 2016)...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28447014/narrative-writing-effective-ways-and-best-practices
#14
REVIEW
Samir D Ledade, Shishir N Jain, Ankit A Darji, Vinodkumar H Gupta
A narrative is a brief summary of specific events experienced by patients, during the course of a clinical trial. Narrative writing involves multiple activities such as generation of patient profiles, review of data sources, and identification of events for which narratives are required. A sponsor outsources narrative writing activities to leverage the expertise of service providers which in turn requires effective management of resources, cost, time, quality, and overall project management. Narratives are included as an appendix to the clinical study report and are submitted to the regulatory authorities as a part of dossier...
April 2017: Perspectives in Clinical Research
https://www.readbyqxmd.com/read/28396605/bypassing-adverse-injection-reactions-to-nanoparticles-through-shape-modification-and-attachment-to-erythrocytes
#15
Peter Popp Wibroe, Aaron C Anselmo, Per H Nilsson, Apoorva Sarode, Vivek Gupta, Rudolf Urbanics, Janos Szebeni, Alan Christy Hunter, Samir Mitragotri, Tom Eirik Mollnes, Seyed Moein Moghimi
Intravenously injected nanopharmaceuticals, including PEGylated nanoparticles, induce adverse cardiopulmonary reactions in sensitive human subjects, and these reactions are highly reproducible in pigs. Although the underlying mechanisms are poorly understood, roles for both the complement system and reactive macrophages have been implicated. Here, we show the dominance and importance of robust pulmonary intravascular macrophage clearance of nanoparticles in mediating adverse cardiopulmonary distress in pigs irrespective of complement activation...
July 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28392909/neurogenetic-analysis-of-childhood-disintegrative-disorder
#16
Abha R Gupta, Alexander Westphal, Daniel Y J Yang, Catherine A W Sullivan, Jeffrey Eilbott, Samir Zaidi, Avery Voos, Brent C Vander Wyk, Pam Ventola, Zainulabedin Waqar, Thomas V Fernandez, A Gulhan Ercan-Sencicek, Michael F Walker, Murim Choi, Allison Schneider, Tammy Hedderly, Gillian Baird, Hannah Friedman, Cara Cordeaux, Alexandra Ristow, Frederick Shic, Fred R Volkmar, Kevin A Pelphrey
BACKGROUND: Childhood disintegrative disorder (CDD) is a rare form of autism spectrum disorder (ASD) of unknown etiology. It is characterized by late-onset regression leading to significant intellectual disability (ID) and severe autism. Although there are phenotypic differences between CDD and other forms of ASD, it is unclear if there are neurobiological differences. METHODS: We pursued a multidisciplinary study of CDD (n = 17) and three comparison groups: low-functioning ASD (n = 12), high-functioning ASD (n = 50), and typically developing (n = 26) individuals...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28376229/optimizing-the-quality-of-the-colorectal-cancer-screening-continuum-a-call-to-action
#17
Samir Gupta, Jesse Nodora
No abstract text is available yet for this article.
May 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28369419/bone-mineral-density-reductions-after-tenofovir-disoproxil-fumarate-initiation-and-changes-in-phosphaturia-a-secondary-analysis-of-actg-a5224s
#18
Samir K Gupta, Eunice Yeh, Douglas W Kitch, Todd T Brown, Charles S Venuto, Gene D Morse, Belinda Ha, Kathleen Melbourne, Grace A McComsey
Background: It is unknown if the greater reductions in bone mineral density (BMD) associated with initiation of tenofovir disoproxil fumarate compared with abacavir in previously untreated HIV-infected participants in the ACTG A5224s clinical trial were associated with potentially worsening tenofovir-related phosphaturia. Methods: We correlated changes in BMD at the hip and spine with changes in phosphaturia [transtubular reabsorption of phosphorus (TRP) and tubular maximum phosphate reabsorption per glomerular filtration rate (TmP/GFR)] from entry through week 96 in those initiating tenofovir ( n  =   134) versus abacavir ( n  =   135) with efavirenz or atazanavir/ritonavir in A5224s...
July 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28329303/high-burden-of-antimicrobial-resistance-and-mortality-among-adults-and-children-with-community-onset-bacterial-infections-in-india
#19
Vidya Mave, Ajay Chandanwale, Anju Kagal, Sandhya Khadse, Dileep Kadam, Renu Bharadwaj, Vaishali Dohe, Matthew L Robinson, Aarti Kinikar, Samir Joshi, Priyanka Raichur, Katie McIntire, Savita Kanade, Jonathan Sachs, Chhaya Valvi, Usha Balasubramanian, Vandana Kulkarni, Aaron M Milstone, Ivan Marbaniang, Jonathan Zenilman, Amita Gupta
Background: In India, antimicrobial consumption is high, yet systematically collected data on the epidemiology, risk factors, and outcomes of antimicrobial-resistant infections are limited. Methods: A prospective study of adults and children hospitalized for acute febrile illness was conducted between August 2013 and December 2015. In-hospital outcomes were recorded, and logistic regression was performed to identify independent predictors of community-onset antimicrobial-resistant infections...
April 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28303828/high-prevalence-of-cryptococcal-antigenaemia-amongst-asymptomatic-advanced-hiv-patients-in-pune-india
#20
Dileep Kadam, Ajay Chandanwale, Renu Bharadwaj, Neetal Nevrekar, Samir Joshi, Sandesh Patil, Nikhil Gupte, Shashi Sangle, Kavita Chopade, Vandana Kulkarni, Usha Balasubramanian, Nishi Suryavanshi, Divyashri Jain, Savita Kanade, Sujata Dharmashale, Anju Kagal, Amita Gupta, Vidya Mave
BACKGROUND: The World Health Organization recommends routine cryptococcal antigen (CrAg) screening in advanced AIDS patients initiating antiretroviral treatment (ART). India has yet to adopt this strategy as the burden of cryptococcal antigenaemia is unknown. METHODS: A prospective study was conducted in a large public sector ART centre and the inpatient wards of Sassoon Hospital, Pune, India. All consenting patients> 18 years of age with CD4 count <100 cells/mm3 were screened for CrAg by latex agglutination assay...
January 2017: Indian Journal of Medical Microbiology
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