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https://www.readbyqxmd.com/read/28644302/the-role-of-bone-targeted-therapies-for-prostate-cancer-in-2017
#1
Samer L Traboulsi, Fred Saad
PURPOSE OF REVIEW: Bone-targeted agents (BTAs), such as zoledronic acid and denosumab, delay the occurrence of skeletal-related events (SREs) in metastatic prostate cancer (PCa) patients. Recently, several agents, such as abiraterone acetate, enzalutamide and radium-223, were approved for the treatment of metastatic castration-resistant PCa (mCRPC). These agents resulted in improved overall survival (OS), pain control and had positive effects on bone health. Combining BTAs to the newly approved agents demonstrates additional benefits that warrant a review of available evidence looking at appropriate combination therapies and timing of BTAs for optimizing the management of advanced and metastatic PCa...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28643733/a-prospective-randomized-controlled-study-of-cisplatin-versus-carboplatin-based-regimen-in-advanced-squamous-nonsmall-cell-lung-cancer
#2
Amr Shafik Saad, Ramy R Ghali, May Ahmed Shawki
BACKGROUND: The use of cisplatin (Cis) versus carboplatin (Carb) in the treatment of advanced nonsmall cell lung cancer (NSCLC) is controversial. The aim of the study was to compare the safety and efficacy of Cis versus Carb in squamous NSCLC. PATIENTS AND METHODS: A prospective, randomized, controlled, open-label study was conducted on advanced squamous NSCLC patients who were randomly assigned to receive Cis (40 mg/m 2 [day 1 and day 8]) or Carb (area under the curve = 5 [day 1]) combined with gemcitabine [Gem] (1000 mg/m 2 [day 1 and day 8]) of a 3-week schedule for six cycles...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28642830/a-rare-case-of-esophageal-adenocarcinoma-with-urinary-bladder-metastasis
#3
Heather Katz, Rahoma E Saad, Krista Denning, Toni O Pacioles
Metastatic esophageal adenocarcinoma to the urinary bladder is extremely rare. We describe a previously healthy 49-year-old female with recent diagnosis of adenocarcinoma of the gastroesophageal junction with metastatic disease to the liver. Biopsy was positive for human epidermal growth factor receptor 2 (HER2) by Fluorescence In Situ Hybridization (FISH). She received six cycles of Cisplatin, 5-Fluorouracil, and Herceptin and subsequently developed symptomatic anemia and hematuria. Cystoscopy with retroflexion was performed and she received a transurethral resection of bladder tumor with fulguration...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28642468/metal-vapor-micro-jet-controls-material-redistribution-in-laser-powder-bed-fusion-additive-manufacturing
#4
Sonny Ly, Alexander M Rubenchik, Saad A Khairallah, Gabe Guss, Manyalibo J Matthews
The results of detailed experiments and finite element modeling of metal micro-droplet motion associated with metal additive manufacturing (AM) processes are presented. Ultra high speed imaging of melt pool dynamics reveals that the dominant mechanism leading to micro-droplet ejection in a laser powder bed fusion AM is not from laser induced recoil pressure as is widely believed and found in laser welding processes, but rather from vapor driven entrainment of micro-particles by an ambient gas flow. The physics of droplet ejection under strong evaporative flow is described using simulations of the laser powder bed interactions to elucidate the experimental results...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641461/the-impact-of-data-errors-on-the-outcome-of-randomized-clinical-trials
#5
Marc Buyse, Pierre Squifflet, Elisabeth Coart, Emmanuel Quinaux, Cornelis Ja Punt, Everardo D Saad
Background/aims Considerable human and financial resources are typically spent to ensure that data collected for clinical trials are free from errors. We investigated the impact of random and systematic errors on the outcome of randomized clinical trials. Methods We used individual patient data relating to response endpoints of interest in two published randomized clinical trials, one in ophthalmology and one in oncology. These randomized clinical trials enrolled 1186 patients with age-related macular degeneration and 736 patients with metastatic colorectal cancer...
June 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28641368/glomerular-hyperfiltration-in-obese-african-american-hypertensive-patients-is-associated-with-elevated-urinary-mitochondrial-dna-copy-number
#6
Alfonso Eirin, Ahmed Saad, John R Woollard, Luis A Juncos, David A Calhoun, Hui Tang, Amir Lerman, Stephen C Textor, Lilach O Lerman
BACKGROUND: Glomerular hyperfiltration may contribute to the high incidence of renal disease in Obese African Americans essential hypertensive (ObAAEH) patients, but the precise mechanisms responsible for renal injury have not been elucidated. Mitochondria are important determinants of renal injury in hypertension, and increased levels of mitochondrial DNA (mtDNA) in the urine may indicate renal mitochondrial injury. We hypothesized that urine mtDNA copy numbers would be higher in ObAAEH compared to Caucasian essential hypertensive (CEH) patients...
June 14, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28641095/high-dose-chemotherapy-and-autologous-stem-cell-transplantation-in-relapsed-or-refractory-hodgkin-lymphoma-emerging-questions-newer-agents-and-changing-paradigm
#7
REVIEW
Saad Akhtar
Primary treatment for adult and pediatric patients with Hodgkin lymphoma (HL) using current multiagent anthracycline-based chemotherapy with or without radiation therapy will cure approximately >70% of the patients; >95% for early stage with a favorable risk profile and 70-75% with advanced stage and high risk features. Managing refractory and relapsed disease, however, remains a challenge. High dose chemotherapy (HDC) and autologous stem cell transplantation (auto-SCT) can salvage 40-70% of patients with relapsed or refractory HL...
June 13, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28640103/occupational-injuries-among-pediatric-orthopedic-surgeons-how-serious-is-the-problem
#8
Abdulmonem M Alsiddiky, Raheef Alatassi, Saad M Altamimi, Mahdi M Alqarni, Saud M Alfayez
In this cross-sectional study, we surveyed all pediatric orthopedic surgeons in Saudi Arabia using an anonymous electronic questionnaire composed of 23 items to identify the rate of occupational injuries and obtain other relevant information. Thirty-nine participants completed the questionnaire (response rate: 83%). Participants who sustained occupational injuries throughout their careers represented 82.5%. The most injured areas were the hands, eyes, and back by 54.5%, 24.2%, and 15.2%, respectively. Approximately 11...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639094/new-molecular-and-morphological-data-for-opecoelid-digeneans-in-two-mediterranean-sparid-fishes-with-descriptions-of-macvicaria-gibsoni-n-sp-and-m-crassigula-linton-1910-sensu-stricto
#9
Mohammed Rima, Douniazed Marzoug, Ana Pérez-Del-Olmo, Aneta Kostadinova, Mohamed Bouderbala, Simona Georgieva
Molecular and morphological data were gathered for specimens of species of Macvicaria Gibson & Bray, 1982 and Pseudopycnadena Saad-Fares & Maillard, 1986 (Digenea: Opecoelidae) collected from two sparid fishes, Diplodus vulgaris (Geoffroy Saint-Hilaire) and Sparus aurata L., off the Algerian coast of the Western Mediterranean. Phylogenetic analyses based on ITS1-5.8S-ITS2 and partial 28S rDNA sequences provided evidence for the distinct species status of eight Mediterranean species of Macvicaria. Novel molecular data are provided for four species, M...
June 21, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28638570/barriers-in-accessing-care-services-for-physically-disabled-in-a-hospital-setting-in-riyadh-saudi-arabia-cross-sectional-study
#10
Fatimah MohammedAli Alkawai, Abdullah Saad Alowayyed
Objective: The aim of this study was to identify the significant difficulties in access to health care services experienced by patients with physical disabilities. Method: A cross-sectional study at King Abdul Aziz Medical City, Riyadh, Saudi Arabia on 235 persons with physical disability, from 1 January to 30 June 2014. Results: A total of 88% of the people with disability reported having the need for someone to accompany them. Over 52% were unsatisfied with parking, 49.8% with the waiting area, 51.3% with wheel-chair services, and nearly 45% were unsatisfied with toilet facilities for the physically disabled...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28637742/primary-prevention-implantable-cardioverter-defibrillator-in-patients-with-non-ischaemic-cardiomyopathy-a-meta-analysis-of-randomised-controlled-trials
#11
Amr F Barakat, Marwan Saad, Akram Y Elgendy, Amgad Mentias, Ahmed Abuzaid, Ahmed N Mahmoud, Islam Y Elgendy
OBJECTIVES: The objective of this meta-analysis of randomised controlled trials (RCTs) is to evaluate the role of primary prevention implantable cardioverter defibrillator (ICD) in patients with non-ischaemic cardiomyopathy (NICM). SETTING: A meta-analysis of RCTs performed according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. DATA SOURCES: The PubMed, MEDLINE, Embase and Cochrane Central Register of Controlled Trials databases were searched for relevant articles...
June 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28636974/sema3a-partially-reverses-vegf-effects-through-binding-to-neuropilin-1
#12
Bruna Palodetto, Adriana da Silva Santos Duarte, Matheus Rodrigues Lopes, Flavia Adolfo Corrocher, Fernanda Marconi Roversi, Fernanda Soares Niemann, Karla Priscila Vieira Ferro, Ana Leda Figueiredo Longhini, Paula Melo Campos, Patricia Favaro, Sara Teresinha Olalla Saad
Cross-talk between hematopoietic stem cells (HSCs) and bone marrow stromal cells (BMSCs) is essential for HSCs regulation and leukemogenesis. Studying bone marrow of myelodysplasia patients, a pre-leukemic condition, we found mRNA overexpression of vascular endothelial growth factor A (VEGFA) in CD34(+) HSCs and semaphorin 3A (SEMA3A) in BMSCs. To better understand the role of VEGFA and SEMA3A in leukemogenesis, we recruited 30 myelodysplastic syndrome (MDS) patients, 29 acute myeloid leukemia (6 secondary to MDS) patients and 12 controls...
June 3, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28636853/maternal-immunization
#13
LETTER
Saad B Omer
New England Journal of Medicine, Volume 376, Issue 25, Page 2496-2497, June 2017.
June 22, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28635285/triazole-triazine-functionalized-mesoporous-silica-as-a-hybrid-material-support-for-palladium-nanocatalyst
#14
Ali Saad, Christian Vard, Manef Abderrabba, Mohamed Mehdi Chehimi
Noble and precious metal catalysts are sought for their remarkable efficiency in catalyzing numerous reactions in heterogeneous phase. However, they are costly and request the development of high surface area supports that favor their strong immobilization, dispersion and stability. Towards this end, mesoporous silica-based materials can be regarded as unique supports for nanometric-sized noble metal catalysts provided they are functionalized with appropriate ligands. In this work, mesoporous silica SBA-15 was prepared and modified with 3-azidopropyltriethoxysilane then clicked with alkyne derivatives of 1,3,5-triazines complex ligand...
June 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28635177/engineering-human-bone-grafts-with-new-macroporous-calcium-phosphate-cement-scaffolds
#15
Martina Sladkova, Michael Palmer, Caroline Öhman, Jiayi Cheng, Shoug Al-Ansari, Munerah Saad, Håkan Engqvist, Giuseppe Maria de Peppo
Bone engineering opens the possibility to grow large amounts of tissue products by combining patient-specific cells with compliant biomaterials. Decellularized tissue matrices represent suitable biomaterials but availability, long processing time, excessive cost, and concerns on pathogen transmission have led to the development of biomimetic synthetic alternatives. We recently fabricated calcium phosphate cement (CPC) scaffolds with variable macroporosity using a facile synthesis method with minimal manufacturing steps, and demonstrated long-term biocompatibility in vitro...
June 21, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28634687/noninvasive-serum-models-to-predict-significant-liver-related-events-in-chronic-hepatitis-c
#16
Ragesh Babu Thandassery, Saad Al Kaabi, Madiha E Soofi, Benjamin Tharian, Rajvir Singh
AIM: We aim to compare 20 noninvasive fibrosis scores (NIFS), derived from routine blood tests, for predicting significant liver-related adverse events (SLRE) in patients with chronic hepatitis C (CHC) after anti-viral treatment (AVT) with the goal to identify independent predictors for these outcomes. METHODS: From 1605 patients who received AVT (pegylated interferon and ribavirin) from January 2002 to June 2014, 20 NIFS were calculated from routine blood tests prior to AVT...
June 20, 2017: Hepatology International
https://www.readbyqxmd.com/read/28634534/etiological-factors-of-short-stature-in-children-and-adolescents-experience-at-a-tertiary-care-hospital-in-egypt
#17
Almontaser Hussein, Hekma Farghaly, Eman Askar, Kotb Metwalley, Khaled Saad, Asmaa Zahran, Hisham A Othman
BACKGROUND: Accurate anthropometric measurements and critical analysis of growth data allow the clinician to promptly recognize children with short stature. The aim of this study was to determine the frequency of etiological factors causing short stature among children referred to the pediatric endocrinology clinic of Assiut University Children's Hospital, the main tertiary care center in Upper Egypt. METHODS: We conducted this descriptive observational study from May 2012 to December 2015, to analyze 637 children (boys 354, girls 283) with short stature...
May 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28633820/green-synthesis-of-ag-cr-ac-nanocomposites-by-azadirachta-indica-and-its-application-for-the-simultaneous-removal-of-binary-mixture-of-dyes-by-ultrasonicated-assisted-adsorption-process-using-response-surface-methodology
#18
Muhammad Saad, Hajira Tahir, Duaa Ali
In the present studies the Ag-Cr-AC nanocomposites were synthesized by Azadirachta indica leaves extract. They were inoculated on the amorphous surface of activated carbon. The surface morphology and structural identification was determined by SEM, FTIR and XRD techniques. The simultaneous removal of binary dye system of Reactive Red and Crystal Violet were performed by ultrasonicated assisted adsorption process utilizing Ag-Cr-AC nanocomposites. Central Composite Design (CCD) having 5 factors of time, pH, amount of Ag-Cr-AC (adsorbent), concentrations of Reactive Red (RR) and Crystal Violet (CV) was employed...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28633041/study-of-platelet-activation-hypercoagulable-state-and-the-association-with-pulmonary-hypertension-in-children-with-%C3%AE-thalassemia
#19
REVIEW
Mahmoud Alhosiny Fayed, Hesham El-Sayed Abdel-Hady, Mona Mohammed Hafez, Osama Saad Salama, Youssef Abdelhalim Al-Tonbary
BACKGROUND: The increased survival rate of thalassemic patients has led to unmasking of management related complications which were infrequently encountered. OBJECTIVE: Study the increased coagulation and platelet activation in children with β-thalassemia, to analyze the factors that lead to such hypercoagulable state and to study pulmonary hypertension (PH) in conjunction with platelet activation and hypercoagulable state in children with β-thalassemia. METHODS: 36 Egyptian children with β-thalassemia with a mean age of 9...
June 15, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28632486/randomized-noncomparative-phase-ii-trial-of-early-switch-from-docetaxel-to-cabazitaxel-or-vice-versa-with-integrated-biomarker-analysis-in-men-with-chemotherapy-na%C3%A3-ve-metastatic-castration-resistant-prostate-cancer
#20
Emmanuel S Antonarakis, Scott T Tagawa, Giuseppe Galletti, Daniel Worroll, Karla Ballman, Marie Vanhuyse, Guru Sonpavde, Scott North, Costantine Albany, Che-Kai Tsao, John Stewart, Atef Zaher, Ted Szatrowski, Wei Zhou, Ada Gjyrezi, Shinsuke Tasaki, Luigi Portella, Yang Bai, Timothy B Lannin, Shalu Suri, Conor N Gruber, Erica D Pratt, Brian J Kirby, Mario A Eisenberger, David M Nanus, Fred Saad, Paraskevi Giannakakou
Purpose The TAXYNERGY trial ( ClinicalTrials.gov identifier: NCT01718353) evaluated clinical benefit from early taxane switch and circulating tumor cell (CTC) biomarkers to interrogate mechanisms of sensitivity or resistance to taxanes in men with chemotherapy-naïve, metastatic, castration-resistant prostate cancer. Patients and Methods Patients were randomly assigned 2:1 to docetaxel or cabazitaxel. Men who did not achieve ≥ 30% prostate-specific antigen (PSA) decline by cycle 4 (C4) switched taxane. The primary clinical endpoint was confirmed ≥ 50% PSA decline versus historical control (TAX327)...
June 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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