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Eduardo Méndez, Cristina P Rodriguez, Micheal Kao, Sharat C Raju, Ahmed Diab, Richard A Harbison, Eric Q Konnick, Ganesh Mugundu, Rafael Santana-Davila, Renato Martins, Neal D Futran, Laura Q M Chow
PURPOSE: The WEE1 tyrosine kinase regulates G2/M transition and maintains genomic stability, particularly in p53-deficient tumors which require DNA repair after genotoxic therapy. There is a need to exploit the role of WEE1 inhibition in head and neck squamous cell carcinoma (HNSCC) mostly driven by tumor-suppressor loss. This completed phase I clinical trial represents the first published clinical experience using the WEE1 inhibitor, AZD1775, with cisplatin and docetaxel. EXPERIMENTAL DESIGN: We implemented an open-label phase I clinical trial using a 3+3 dose-escalation design for patients with Stage III/IVB HNSCC with borderline-resectable or unresectable disease, who were candidates for definitive chemoradiation...
March 13, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Nizar Andria, Ali Nassar, Fabio Kusniec, Diab Ghanim, Dahud Qarawani, Erez Kachel, Khaled Taha, Offer Amir, Shemy Carasso
BACKGROUND: Coronary artery disease (CAD) has known risk factors. Individual risks related to specific ethnicities are complex and depend on genetic predisposition and lifestyle. OBJECTIVES: To compare the nature and prevalence of risk factors in Arab and non-Arab ethnic patients with symptomatic obstructive CAD referred for coronary angiography. METHODS: CAD, defined as coronary angiography with a ≥ 50% narrowing in ≥ 1 vessel, was diagnosed in 1029 patients admitted to a medical center between April 2014 and October 2015...
March 2018: Israel Medical Association Journal: IMAJ
V Hoerr, M Franz, M W Pletz, M Diab, S Niemann, C Faber, T Doenst, P C Schulze, S Deinhardt-Emmer, B Löffler
Infective endocarditis (IE) is a life-threatening disease, caused by septic vegetations and inflammatory foci on the surface of the endothelium and the valves. Due to its complex and often indecisive presentation the mortality rate is still about 30%. Most frequently bacterial microorganisms entering the bloodstream are the underlying origin of the intracardiac infection. While the disease was primarily restricted to younger patients suffering from rheumatic heart streptococci infections, new at risk categories for Staphylococcus (S...
February 21, 2018: International Journal of Medical Microbiology: IJMM
Islam M El-Babouly, Esam A E Desoky, Diab El Sayed, Maged M Ali, Ola A Harb, Ahmed Ragab, Ahmed M Sakr, Amr M Fawzi, Nashaat M Salama, Ibrahim I Samaha
OBJECTIVE: To report the sensitivity and specificity of neural precursor cell-expressed developmentally down-regulated protein 9 (NEDD9) protein high expression in predicting BCG response and its effect on recurrence or progression free survivals. PATIENTS AND METHODS: Between May 2014 and April 2017, a prospective cohort study was conducted on 105 patients with intermediate or high-risk nonmuscle invasive bladder cancer. Immunohistochemical staining with mouse monoclonal anti-NEDD9 antibody was done...
March 5, 2018: Urologic Oncology
Paulo Henrique Muleta Andrade, Luciane Canderolo Portugal, Eric Schmidt Rondon, Monica Cristina Toffoli Kadri, Maria de Fátima Cepa Matos
PURPOSE: To analyzed the healing effect of the powdered shell of the Megalobulimus lopesi snail on wounds of diabetic rats, since in non-diabetic rats the powdered shell presented healing potential. METHODS: Seventy-two Wistar rats (Rattus norvegicus albinus) were divided into three groups: Control group (GC.diab), no therapeutic intervention on the wound; Vehicle's Control group, topical via, in diabetic rats (GCvt.diab): Powder Shell Group (PC) applied topically (GPCvt...
February 2018: Acta Cirúrgica Brasileira
Lara A Kahale, Batoul Diab, Romina Brignardello-Petersen, Arnav Agarwal, Reem A Mustafa, Joey Kwong, Ignacio Neumann, Ling Li, Luciane Cruz Lopes, Matthias Briel, Jason W Busse, Alfonso Iorio, Per Olav Vandvik, Paul Elias Alexander, Gordon Guyatt, Elie A Akl
OBJECTIVE: To describe how systematic review authors report and address categories of participants with potential missing outcome data of trial participants. STUDY DESIGN: Methodological survey of systematic reviews reporting a group-level meta-analysis. RESULTS: We included a random sample of 50 Cochrane and 50 non-Cochrane systematic reviews. Of these, 25 reported in their methods section a plan to consider at least one of the 10 categories of missing outcome data; 42 reported in their results, data for at least one category of missing data...
March 2, 2018: Journal of Clinical Epidemiology
Ayat Khalaileh, Alaa Abu-Diab, Tamar Ben-Yosef, Annick Raas-Rothschild, Israela Lerer, Yahya Alswaiti, Itay Chowers, Eyal Banin, Dror Sharon, Samer Khateb
Purpose: Usher syndrome (USH) is the most common cause for deaf-blindness. It is genetically and clinically heterogeneous and prevalent in populations with high consanguinity rate. We aim to characterize the set of genes and mutations that cause USH in the Israeli and Palestinian populations. Methods: Seventy-four families with USH were recruited (23 with USH type 1 [USH1], 33 with USH2, seven with USH3, four with atypical USH, and seven families with an undetermined USH type)...
February 1, 2018: Investigative Ophthalmology & Visual Science
Xuan Zhang, Lei Sun, Zhen Jin
Sex hormone-binding globulin (SHBG) has a key role in the occurrence and development of the gestational diab-etes mellitus (GDM). Single nucleotide polymorphism (SNP) rs6259 is a functional site in SHBG gene, which is suspected to regulate the SHBG level. The present study explored the placental SHBG SNP rs6259 distribution in Chinese pregnant women and the influence on placental SHBG concentrations, to assess the relationship of SHBG rs6259 in the occurrence and development of GDM. We screened the SHBG rs6259 allele in 210 healthy and 180 GDM gravidas by PCR-RFLP and restriction enzyme and measured placental SHBG concentrations in each genotypic group with western blot analysis...
February 16, 2018: International Journal of Molecular Medicine
Belal Shohayeb, Mohamed Diab, Mazen Ahmed, Dominic Chi Hiung Ng
Adult neurogenesis involves persistent proliferative neuroprogenitor populations that reside within distinct regions of the brain. This phenomenon was first described over 50 years ago and it is now firmly established that new neurons are continually generated in distinct regions of the adult brain. The potential of enhancing the neurogenic process lies in improved brain cognition and neuronal plasticity particularly in the context of neuronal injury and neurodegenerative disorders. In addition, adult neurogenesis might also play a role in mood and affective disorders...
2018: Translational Neurodegeneration
Sinaa Al Aqeel, Norah Abanmy, Abeer Aldayel, Hend Al-Khalifa, Maha Al-Yahya, Mona Diab
BACKGROUND: Written Medicine Information (WMI) is one of the sources that patients use to obtain information concerning medicine. This paper aims to assess the readability of two types of WMIs in Arabic language based on vocabulary use and sentence structure using a panel of experts and consumers. METHODS: This is a descriptive study. Two different types of materials, including the online text from King Abdullah Bin Abdulaziz Arabic Health Encyclopaedia (KAAHE) and medication leaflets submitted by the manufacturers to the Saudi Food and Drug Authority (SFDA) were evaluated...
February 27, 2018: BMC Health Services Research
Matan Shimron, Lynne Williams, Yevgeni Hazanov, Diab Ghanim, Wadia Kinany, Offer Amir, Shemy Carasso
BACKGROUND: Diastolic dysfunction (DDFx) is the major underlying mechanism of heart failure with preserved left ventricular ejection fraction (EF). Yet, the echocardiographic diagnosis of DDFx in patients in sinus rhythm is challenging and up to 25% of studies have discrepant measures making assessment of DDFx indeterminate. We aimed to describe the clinical and echocardiographic characteristics of patients with indeterminate diastolic function compared to patients with definite normal and abnormal diastolic function...
February 19, 2018: Echocardiography
Tarek K Motawi, Hebatallah A Darwish, Iman Diab, Maged W Helmy, Mohamed Noureldin
AIMS: Estrogens act as key factors in prostate biology, cellular proliferation and differentiation as well as cancer development and progression. The expression of estrogen receptor (ER)-β appears to be lost during prostate cancer progression through hypermethylation mechanism. Epigenetic drugs such as 5-aza-2'-deoxycytidine (5-AZAC) and Trichostatin A (TSA) showed efficacy in restoring ERβ expression in prostate cancer cells. This study was designed to explore the potential anti-carcinogenic effects resulting from re-expressing ERβ1 using 5-AZAC and/or TSA, followed by its stimulation with Diarylpropionitrile (DPN), a selective ERβ1 agonist, in prostate cancer cell line PC-3...
February 15, 2018: Life Sciences
Michael T Tetzlaff, Kelly C Nelson, Adi Diab, Gregg A Staerkel, Priyadharsini Nagarajan, Carlos A Torres-Cabala, Beth A Chasen, Jennifer A Wargo, Victor G Prieto, Rodabe N Amaria, Jonathan L Curry
BACKGROUND: Immune checkpoint therapy has dramatically changed the landscape of cancer therapy, providing an efficacious and durable therapeutic option for patients with advanced-stage disease. However, dermatologic toxicities are a well-recognized side effect in patients receiving this therapy. A spectrum of immune related adverse events (irAEs) involving the skin can occur and include immunobullous disorders, lichenoid dermatitis, and vitiligo. Granulomatous/sarcoid-like lesions are now being recognized with the current class of checkpoint inhibitors (CPIs) that involve the dermis, the subcutaneous tissue (panniculitis), and lymph nodes...
February 12, 2018: Journal for Immunotherapy of Cancer
Valentina Mercurio, Anna Bianco, Giacomo Campi, Alessandra Cuomo, Nermin Diab, Angela Mancini, Paolo Parrella, Mario Petretta, Paul Hassoun, Domenico Bonaduce
Despite recent advances in pulmonary arterial hypertension (PAH) treatment, this condition is still characterized by an extremely poor prognosis. In this review, we discuss the use of newly-approved drugs for PAH treatment with already known mechanisms of action (macitentan), innovative targets (riociguat and selexipag), and novel therapeutic approaches with initial up-front combination therapy. Secondly, we describe new potential signalling pathways and investigational drugs with promising role in the treatment of PAH...
January 31, 2018: Current Medicinal Chemistry
Alexander A Theologis, Matthew Crawford, Mohammad Diab
STUDY DESIGN: Cohort analysis. OBJECTIVE: Document satisfaction with management and appearance concerns in children of different ethnicity who underwent spinal fusion/instrumentation for adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Scoliosis Research Society Questionnaire (SRS-30) outcomes in AIS indicate a link between appearance and satisfaction as well as ethnic variation in appearance domain. Exploration of these findings in the Scoliosis Appearance Questionnaire (SAQ) will allow better understanding of ethnic variation in appearance concerns...
March 2018: Spine Deformity
Wolfgang Janni, Emilio Alba, Thomas Bachelot, Sami Diab, Miguel Gil-Gil, Thaddeus J Beck, Larisa Ryvo, Rafael Lopez, Michaela Tsai, Francisco J Esteva, Pilar Zamora Auñón, Zdenek Kral, Patrick Ward, Paul Richards, Timothy J Pluard, Santosh Sutradhar, Michelle Miller, Mario Campone
PURPOSE: The phase 3 MONALEESA-2 study demonstrated that addition of ribociclib (RIB) to letrozole (LET) significantly improved progression-free survival (PFS) in patients (pts) with hormone receptor-positive (HR+), HER2-negative (HER2-) advanced breast cancer (ABC). Here, we evaluated duration of response (DoR), tumor shrinkage, PFS by treatment-free interval (TFI), and health-related quality of life (HRQoL). METHODS: Postmenopausal women (N = 668) with HR+ , HER2- ABC and no prior systemic therapy for ABC were randomized to RIB (600 mg/day; 3 weeks on/1 week off) plus LET (2...
February 5, 2018: Breast Cancer Research and Treatment
Bassel Mohammad Nijres, Joshua J Murphy, Karim Diab, Sawsan Awad, Ra-Id Abdulla
Prior to the Fontan procedure, patients with single ventricle physiology with Glenn shunt are typically referred for cardiac catheterization to assess hemodynamics and potentially provide interventional measures. Currently, echocardiography provides detailed information which together with other non-invasive imaging such as CT scan and MRI may obviate the need for routine cardiac catheterization prior to the Fontan procedure. In this study, we examine the findings in cardiac catheterization in this population to determine: (a) the accuracy of echocardiography in providing adequate information prior to the Fontan procedure, particularly in identifying those in need of per-catheter intervention, and (b) the percentage of patients requiring interventional procedures during cardiac catheterization...
February 3, 2018: Pediatric Cardiology
Courtney Ryan, Hafza Dadabhoy, Tom Baranowski
OBJECTIVE: The most productive methods of recruitment for a videogame for health (G4H) trial are not known. Success or failure of recruitment methods has been reported for a variety of clinical trials, but few specifically for G4H trials. This study's goal was to recruit 444 overweight or obese (body mass index percentile between the 84.5th-99.4th percentiles) children between the ages of 10-12 years. The article reports the results of different methods of participant recruitment. MATERIALS AND METHODS: Participants had to agree to three fasting blood samples (baseline, immediately after, and 2 months later); be willing to wear an accelerometer for 7 days at each assessment; read and speak English fluently (because the games were in English); have no history of any condition that would affect what he/she could eat or how much physical activity he/she could get; and have an eligible home computer purchased in the last 5 years with high-speed internet...
February 2018: Games for Health
Isabella C Glitza, Michelle Rohlfs, Nandita Guha-Thakurta, Roland L Bassett, Chantale Bernatchez, Adi Diab, Scott E Woodman, Cassian Yee, Rodabe N Amaria, Sapna P Patel, Hussein Tawbi, Michael Wong, Wen-Jen Hwu, Patrick Hwu, Amy Heimberger, Ian E McCutcheon, Nicholas Papadopoulos, Michael A Davies
Objectives: Metastatic melanoma patients with leptomeningeal disease (LMD) have an extremely poor prognosis, with a median survival measured in weeks, and few treatment options. Outcomes of a retrospective cohort of patients with LMD that were treated with intrathecal interleukin-2 (IT IL-2) were reviewed to assess the long-term efficacy of this therapy. Methods: The records of metastatic melanoma patients with LMD who were treated with IT IL-2 from 2006 to 2014 in a Compassionate Investigational New Drug study were reviewed...
2018: ESMO Open
Stéphane Pillet, Éric Aubin, Sonia Trépanier, Jean-François Poulin, Bader Yassine-Diab, Jan Ter Meulen, Brian J Ward, Nathalie Landry
The hemagglutinination inhibition (HI) response remains the gold standard used for the licensure of influenza vaccines. However, cell-mediated immunity (CMI) deserves more attention, especially when evaluating H5N1 influenza vaccines that tend to induce poor HI response. In this study, we measured the humoral response (HI) and CMI (flow cytometry) during a Phase II dose-ranging clinical trial (NCT01991561). Subjects received two intramuscular doses, 21 days apart, of plant-derived virus-like particles (VLP) presenting the A/Indonesia/05/2005 H5N1 influenza hemagglutinin protein (H5) at the surface of the VLP (H5VLP)...
2018: NPJ Vaccines
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