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https://www.readbyqxmd.com/read/28723866/a-case-of-resistance-to-tyrosine-kinase-inhibitor-therapy-small-cell-carcinoma-transformation-concomitant-with-plasma-genotyped-t790m-positivity
#1
Yanjun Xu, Zhiyu Huang, Lei Gong, Yun Fan
Although non-small-cell lung cancer patients with epidermal growth factor receptor (EGFR) mutations are responsive to EGFR-tyrosine kinase inhibitors, drug resistances are always inevitable. The secondary somatic EGFR threonine-methionine substitution at position 790 (T790M) mutation accounts for ∼50% of acquired resistance mechanisms. Small cell lung cancer (SCLC) transformation is a relatively rare mechanism, but has recently attracted considerable attention. The coexistence of both the mechanisms in one patient is much more scarce in clinic...
July 18, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28719380/comparison-of-different-antibody-clones-for-immunohistochemistry-detection-of-programmed-cell-death-ligand-1-pd-l1-on-non-small-cell-lung-carcinoma
#2
Edwin R Parra, Pamela Villalobos, Barbara Mino, Jaime Rodriguez-Canales
Programmed cell death ligand 1 (PD-L1) is a major immune checkpoint protein that mediates antitumor immune suppression and response. Preliminary data suggest that its detection using immunohistochemistry (IHC) in formalin-fixed and paraffin-embedded tissues may predict clinical response to PD-1/PD-L1 therapy. In diagnostic pathology, it is essential to count with a validated IHC that can reliably detect PD-L1-positive cases. The present study was conducted to compare and validate different PD-L1 commercial clones and identify which ones can be reliably used by surgical pathologist to detect PD-L1 expression in human cancer tissues...
July 17, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28708817/innovating-cystic-fibrosis-clinical-trial-designs-in-an-era-of-successful-standard-of-care-therapies
#3
Donald R VanDevanter, Nicole Mayer-Hamblett
PURPOSE OF REVIEW: Evolving cystic fibrosis 'standards of care' have influenced recent cystic fibrosis clinical trial designs for new therapies; care additions/improvements will require innovative trial designs to maximize feasibility and efficacy detection. RECENT FINDINGS: Three cystic fibrosis therapeutic areas (pulmonary exacerbations, Pseudomonas aeruginosa airway infections, and reduced cystic fibrosis transmembrane conductance regulator [CFTR] protein function) differ with respect to the duration for which recognized 'standards of care' have been available...
July 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28708632/innovating-with-rehabilitation-technology-in-the-real-world-promises-potentials-and-perspectives
#4
Karen Sui Geok Chua, Christopher Wee Keong Kuah
In this article, we discuss robotic-assisted therapy as an emerging and significant field of clinical rehabilitation and its value proposition for innovating rehabilitation clinical practice. Attempts to achieve integration among clinicians' practices and bioengineers' machines often generate new challenges and controversies. To date, the literature is indicative of a sizeable number and variety of robotic devices in the field of clinical rehabilitation, some are commercially available; however, large-scale clinical outcomes are less positive than expected...
July 13, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28700406/the-use-of-multistate-models-to-examine-associations-of-stress-and-adherence-with-transitions-among-hiv-care-states-observed-in-a-clinical-hiv-cohort
#5
Sandra Blitz, Tony Antoniou, Ann Burchell, Sharon Walmsley, Lucia Light, Sandra Gardner, Sean Rourke, Curtis Cooper, Claire Kendall, Mona Loutfy, Anita Rachlis, Wendy Wobeser, Anita Benoit, Janet Raboud
BACKGROUND: The "cascade of care" is a framework for quantifying the trajectory of people with HIV along the continuum of HIV care. We extended this framework to recognize that individuals may transition back and forth between states of care and to identify factors associated with movement among states of care over time, with particular focus on stress, depression and adherence. METHODS: The Ontario HIV Treatment Network Cohort Study is a multisite HIV clinical cohort...
July 3, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28697053/postoperative-adjuvant-therapy-for-resectable-pancreatic-cancer-with-gemcitabine-and-adoptive-immunotherapy
#6
Hiroto Matsui, Shoichi Hazama, Kazuhiko Sakamoto, Yoshitaro Shindo, Shinsuke Kanekiyo, Masao Nakashima, Satoshi Matsukuma, Yoshihiro Tokuhisa, Michihisa Iida, Nobuaki Suzuki, Kiyoshi Yoshimura, Shigeru Takeda, Tomio Ueno, Shigefumi Yoshino, Masaaki Oka, Hiroaki Nagano
OBJECTIVES: We previously described adoptive immunotherapy (AIT) with cytotoxic T lymphocytes (CTLs) stimulated by the mucin 1 (MUC1)-expressing human pancreatic cancer cell line YPK-1 (MUC1-CTLs) and demonstrated that MUC1-CTLs might prevent liver metastasis. In the present study, we combined gemcitabine (GEM) and AIT for the treatment of pancreatic cancer. METHODS: A total of 43 patients who underwent radical pancreatectomy received treatment with MUC1-CTLs and GEM...
July 11, 2017: Pancreas
https://www.readbyqxmd.com/read/28654554/baseline-hepatitis-b-virus-titer-predicts-initial-postpartum-hepatic-flare-a-multicenter-prospective-study
#7
Jinfeng Liu, Jing Wang, Caijing Qi, Furong Cao, Zhen Tian, Dandan Guo, Taotao Yan, Qian Li, Shujuan Yang, JianJun Fu, Xianmei Tang, Xiaoni Kou, Na Liu, Zicheng Jiang, Yingren Zhao, Tianyan Chen
BACKGROUND AND GOALS: A series of changes in the immune system occur during pregnancy and puerperium. Currently, we aim to characterize both the natural changes in liver inflammation and its association with hepatitis B viremia during this special period. PATIENTS AND METHODS: Chronic hepatitis B (CHB) gravidas were recruited and followed up to 52 weeks postpartum. Virological and biochemical parameters were assessed throughout the period. RESULTS: A total of 1097 CHB mothers had finished the entire follow-up including 451 accepting telbivudine, 178 accepting tenofovir, and 468 without antiviral therapy...
June 26, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28654474/excellence-in-promoting-participation-striving-for-the-10-cs-client-centered-care-consideration-of-complexity-collaboration-coaching-capacity-building-contextualization-creativity-community-curricular-changes-and-curiosity
#8
Lisa A Chiarello
Participation of children with physical disabilities is critical to optimizing their life roles and lived experiences. This perspective explores the complex and multidimensional construct of participation and presents recommendations for practice, education, and research to transform pediatric physical therapy service delivery. Two models are reviewed of participation-based service delivery grounded in client-centered care and the principles of coaching to engage clients in their rehabilitation. The roles and responsibilities of the physical therapist and the importance of team collaboration are emphasized...
July 2017: Pediatric Physical Therapy
https://www.readbyqxmd.com/read/28645553/a-mixed-methods-evaluation-of-an-integrated-medication-management-program-and-implications-for-implementation
#9
Shira H Fischer, Courtney K Armstrong, Erin L Duffy, Peter S Hussey
BACKGROUND: Improving medication adherence is a common and challenging issue. Taking medications as prescribed becomes particularly difficult for individuals with multiple chronic conditions. Poor adherence can lead to exacerbated health issues and prolonged disease severity. Medication Therapy Management is increasingly being used to help clinics improve medication adherence and reduce adverse events, but factors that enable implementation of such programs are not well identified. OBJECTIVE: To describe the factors associated with implementation of an innovative pharmacy program and to measure the impact of the intervention...
June 10, 2017: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/28640024/molecular-adsorbent-recirculating-system-can-reduce-short-term-mortality-among-patients-with-acute-on-chronic-liver-failure-a-retrospective-analysis
#10
Hans U Gerth, Michele Pohlen, Gerold Thölking, Hermann Pavenstädt, Marcus Brand, Anna Hüsing-Kabar, Christian Wilms, Miriam Maschmeier, Iyad Kabar, Josep Torner, Marco Pavesi, Vicente Arroyo, Rafael Banares, Hartmut H J Schmidt
OBJECTIVES: Acute-on-chronic liver failure is associated with numerous consecutive organ failures and a high short-term mortality rate. Molecular adsorbent recirculating system therapy has demonstrated beneficial effects on the distinct symptoms, but the associated mortality data remain controversial. DESIGN: Retrospective analysis of acute-on-chronic liver failure patients receiving either standard medical treatment or standard medical treatment and molecular adsorbent recirculating system...
June 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28628529/appraising-viral-load-thresholds-and-adherence-support-recommendations-in-the-world-health-organization-guidelines-for-detection-and-management-of-virologic-failure
#11
Suzanne M McCluskey, Yap Boum, Nicholas Musinguzi, Jessica E Haberer, Jeffrey N Martin, Peter W Hunt, Vincent C Marconi, David R Bangsberg, Mark J Siedner
BACKGROUND: The World Health Organization defines HIV virologic failure as two consecutive viral loads >1,000 copies/mL, measured 3-6 months apart with interval adherence support. We sought to empirically evaluate these guidelines using data from an observational cohort. SETTING: The Uganda AIDS Rural Treatment Outcomes study observed adults with HIV in southwestern Uganda from the time of antiretroviral therapy (ART) initiation, and monitored adherence with electronic pill bottles...
June 15, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28625831/engineering-challenges-for-brain-tumor-immunotherapy
#12
Johnathan G Lyon, Nassir Mokarram, Tarun Saxena, Sheridan L Carroll, Ravi V Bellamkonda
Malignant brain tumors represent one of the most devastating forms of cancer with abject survival rates that have not changed in the past 60years. This is partly because the brain is a critical organ, and poses unique anatomical, physiological, and immunological barriers. The unique interplay of these barriers also provides an opportunity for creative engineering solutions. Cancer immunotherapy, a means of harnessing the host immune system for anti-tumor efficacy, is becoming a standard approach for treating many cancers...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28617756/optimizing-thiopurine-therapy-in-inflammatory-bowel-disease-among-2-real-life-intercept-cohorts-effect-of-allopurinol-comedication
#13
Berrie Meijer, Margien L Seinen, Remco van Egmond, Gerd Bouma, Chris J J Mulder, Adriaan A van Bodegraven, Nanne K H de Boer
BACKGROUND: Thiopurines (azathioprine and mercaptopurine) are frequently used immunosuppressive drugs to maintain remission in patients with inflammatory bowel disease. Half of the conventional thiopurine-derivative users have to discontinue treatment within 5 years, mainly because of intolerable adverse events. Over recent years, different strategies to optimize thiopurine treatment were suggested, yet, studies describing the clinical effectiveness of these strategies remain scarce. The aims of this study were to compare tolerability and sustained clinical benefit of conventional thiopurine derivatives therapy among two 5-year real-life intercept cohorts and to assess the clinical value of specifically allopurinol cotherapy...
June 14, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28604514/early-antibiotic-exposure-in-low-resource-settings-is-associated-with-increased-weight-in-the-first-two-years-of-life
#14
Elizabeth T Rogawski, James A Platts-Mills, Jessica C Seidman, Sushil John, Mustafa Mahfuz, Manjeswori Ulak, Sanjaya Shrestha, Sajid Bashir Soofi, Pablo Penataro Yori, Estomih Mduma, Erling Svensen, Tahmeed Ahmed, Aldo A M Lima, Zulfiqar Bhutta, Margaret Kosek, Dennis Lang, Michael Gottlieb, Anita Zaidi, Gagandeep Kang, Pascal Bessong, Eric R Houpt, Richard L Guerrant
OBJECTIVES: The potential growth-promoting effects of antibiotics are not well understood among undernourished children in environments with high pathogen exposure. We aimed to assess whether early antibiotic exposure duration and class were associated with growth to two years of age across 8 low-resource sites in the MAL-ED birth cohort study. METHODS: We followed 1,954 children twice per week from birth to two years to record maternally-reported antibiotic exposures and measure anthropometry monthly...
June 9, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28594751/dhrs9-is-a-stable-marker-of-human-regulatory-macrophages
#15
Paloma Riquelme, Giada Amodio, Camila Macedo, Aurelie Moreau, Nataša Obermajer, Christoph Brochhausen, Norbert Ahrens, Tuija Kekarainen, Fred Fändrich, Cristina Cuturi, Silvia Gregori, Diana Metes, Hans J Schlitt, Angus W Thomson, Edward K Geissler, James A Hutchinson
BACKGROUND: The human regulatory macrophage (Mreg) has emerged as a promising cell type for use as a cell-based adjunct immunosuppressive therapy in solid organ transplant recipients. In this brief report, dehydrogenase/reductase 9 (DHRS9) is identified as a robust marker of human Mregs. MATERIALS AND METHODS: The cognate antigen of a mouse monoclonal antibody raised against human Mregs was identified as DHRS9 by immunoprecipitation and MALDI-MS sequencing. Expression of DHRS9 within a panel of monocyte-derived macrophages was investigated by quantitative PCR, immunoblotting and flow cytometry...
June 7, 2017: Transplantation
https://www.readbyqxmd.com/read/28592919/multiplex-immunosensor-arrays-for-electrochemical-detection-of-cancer-biomarker-proteins
#16
Bernard S Munge, Thomas Stracensky, Kathleen Gamez, Dimitri DiBiase, James F Rusling
Measuring panels of protein biomarkers offer a new personalized approach to early cancer detection, disease monitoring and patients' response to therapy. Multiplex electrochemical methods are uniquely positioned to provide faster, more sensitive, point of care (POC) devices to detect protein biomarkers for clinical diagnosis. Nanomaterials-based electrochemical methods offer sensitivity needed for early cancer detection. This review discusses recent advances in multiplex electrochemical immunosensors for cancer diagnostics and disease monitoring...
November 2016: Electroanalysis
https://www.readbyqxmd.com/read/28590391/misuse-of-novel-synthetic-opioids-a-deadly-new-trend
#17
Matthew P Prekupec, Peter A Mansky, Michael H Baumann
: Novel synthetic opioids (NSOs) include various analogs of fentanyl and newly emerging non-fentanyl compounds. Together with illicitly manufactured fentanyl (IMF), these drugs have caused a recent spike in overdose deaths, whereas deaths from prescription opioids have stabilized. NSOs are used as stand-alone products, as adulterants in heroin, or as constituents of counterfeit prescription medications. During 2015 alone, there were 9580 deaths from synthetic opioids other than methadone. Most of these fatalities were associated with IMF rather than diverted pharmaceutical fentanyl...
June 5, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28562489/a-theory-of-eu-estrogenemia-a-unifying-concept
#18
Ralph J Turner, Irwin J Kerber
OBJECTIVE: The aim of the study was to propose a unifying theory for the role of estrogen in postmenopausal women through examples in basic science, randomized controlled trials, observational studies, and clinical practice. METHODS: Review and evaluation of the literature relating to estrogen. DISCUSSION: The role of hormone therapy and ubiquitous estrogen receptors after reproductive senescence gains insight from basic science models. Observational studies and individualized patient care in clinical practice may show outcomes that are not reproduced in randomized clinical trials...
May 29, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28542038/hypoxia-as-a-target-for-drug-combination-therapy-of-liver-cancer
#19
Cressida Bowyer, Andrew L Lewis, Andrew W Lloyd, Gary J Phillips, Wendy M Macfarlane
Hepatocellular carcinoma (HCC) is the third most frequent cause of cancer deaths worldwide. The standard of care for intermediate HCC is transarterial chemoembolization, which combines tumour embolization with locoregional delivery of the chemotherapeutic doxorubicin. Embolization therapies induce hypoxia, leading to the escape and proliferation of hypoxia-adapted cancer cells. The transcription factor that orchestrates responses to hypoxia is hypoxia-inducible factor 1 (HIF-1). The aim of this work is to show that targeting HIF-1 with combined drug therapy presents an opportunity for improving outcomes for HCC treatment...
August 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28538284/the-advance-study-a-groundbreaking-trial-to-evaluate-a-candidate-universal-antiretroviral-regimen
#20
Willem D F Venter, Polly Clayden, Celicia Serenata
PURPOSE OF REVIEW: Current WHO-recommended first-line therapy in low-income and middle-income countries has been very successful in saving millions of lives but still has toxicity concerns and a low barrier to resistance. RECENT FINDINGS: Two candidate antiretrovirals may substantially transform first-line therapy in low-income and middle-income countries, yielding a safer, more robust and cheaper regimen. Tenofovir alafenamide carries toxicity and cost benefits over tenofovir disoproxil fumarate...
July 2017: Current Opinion in HIV and AIDS
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