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https://www.readbyqxmd.com/read/28723914/safety-and-pharmacodynamics-of-dalazatide-a-kv1-3-channel-inhibitor-in-the-treatment-of-plaque-psoriasis-a-randomized-phase-1b-trial
#1
Eric J Tarcha, Chelsea M Olsen, Peter Probst, David Peckham, Ernesto J Muñoz-Elías, James G Kruger, Shawn P Iadonato
BACKGROUND: Dalazatide is a specific inhibitor of the Kv1.3 potassium channel. The expression and function of Kv1.3 channels are required for the function of chronically activated memory T cells, which have been shown to be key mediators of autoimmune diseases, including psoriasis. OBJECTIVE: The primary objective was to evaluate the safety of repeat doses of dalazatide in adult patients with mild-to-moderate plaque psoriasis. Secondary objectives were to evaluate clinical proof of concept and the effects of dalazatide on mediators of inflammation in the blood and on chronically activated memory T cell populations...
2017: PloS One
https://www.readbyqxmd.com/read/28723652/a-patient-derived-orthotopic-xenograft-pdox-mouse-model-of-a-cisplatinum-resistant-osteosarcoma-lung-metastasis-that-was-sensitive-to-temozolomide-and-trabectedin-implications-for-precision-oncology
#2
Kentaro Igarashi, Takashi Murakami, Kei Kawaguchi, Tasuku Kiyuna, Kentaro Miyake, Yong Zhang, Scott D Nelson, Sarah M Dry, Yunfeng Li, Jane Yanagawa, Tara A Russell, Arun S Singh, Hiroyuki Tsuchiya, Irmina Elliott, Fritz C Eilber, Robert M Hoffman
In the present study, we evaluated the efficacy of trabectedin (TRAB) and temozolomide (TEM) compared to cisplatinum (CDDP) on a patient-derived orthotopic xenogrraft (PDOX) of a lung-metastasis from an osteosarcoma of a patient who failed CDDP therapy. Osteosarcoma resected from the patient was implanted orthotopically in the distal femur of mice to establish PDOX models which were randomized into the following groups when tumor volume reached approximately 100 mm3: G1, control without treatment; G2, CDDP (6 mg/kg, intraperitoneal injection, weekly, for 2 weeks); G3, TRAB (0...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722536/travel-burden-associated-with-granulocyte-colony-stimulating-factor-administration-in-a-medicare-aged-population-a-geospatial-analysis
#3
J Mark Stephens, Mark Bensink, Charles Bowers, Christopher S Hollenbeak
OBJECTIVE: Prophylaxis with granulocyte colony-stimulating factors (G-CSFs) is recommended for patients receiving myelosuppressive chemotherapy regimens with a high risk of febrile neutropenia (FN). G-CSFs should be administered starting the day after chemotherapy, necessitating return trips to the oncology clinic at the end of each cycle. We examined the travel burden related to prophylactic G-CSF injections after chemotherapy in the United States (US). METHODS: We used 2012-2014 Medicare claims data to identify a national cohort of beneficiaries age 65+ with non-myeloid cancers who received both chemotherapy and prophylactic G-CSFs...
July 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28722515/construction-of-a-plga-based-targeted-sirna-delivery-system-for-treatment-of-osteoporosis
#4
Deniz Sezlev Bilecen, Jose Carlos Rodriguez-Cabello, Hasan Uludag, Vasif Hasirci
Osteoporosis is a systemic skeletal disorder which occurs when the bone turnover balance is disrupted. With the identification of the genes involved in the pathogenesis of the disease, studies on development of new osteoporosis treatments has intensified. RNA interference (RNAi) mechanism uses short interfering RNA (siRNA) to knockdown disease related gene expression as a treatment approach. Targeting while protecting siRNA against hydrolysis by nucleases in vivo is, however, challenging. The maintenance of therapeutic plasma level is also hampered by the clearance of siRNA from the body...
July 19, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28721731/self-assembled-injectable-peptide-hydrogels-capable-of-triggering-antitumor-immune-response
#5
Ruirui Xing, Shukun Li, Ning Zhang, Guizhi Shen, Helmuth Möhwald, Xuehai Yan
Self-assembled peptide hydrogels are particularly appealing for drug delivery, tissue engineering, and anti-tumor therapy due to various advantageous features including excellent biocompatibility and biodegradability, defined molecular and higher organized structures and easy availability. However, the poor mechanical and rheological properties of assembled peptide hydrogels cause difficulties in injection, thus limiting further applications. Herein, injectable peptide-based hydrogels with tunable mechanical and rheological properties were obtained by combination with a positively charged poly-peptide (poly-L-lysine, PLL)...
July 19, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28721686/rationale-for-initiation-and-titration-of-the-basal-insulin-glp-1ra-fixed-ratio-combination-products-ideglira-and-iglarlixi-for-the-management-of-type-2-diabetes
#6
REVIEW
Virginia Valentine, Jennifer Goldman, Jay H Shubrook
Type 2 diabetes (T2D) is a progressive disease affecting glucose regulation and a major cause of morbidity and mortality globally. Many patients are not escalated up the treatment ladder appropriately despite failing to achieve glycemic control, with barriers such as fear of hypoglycemia, weight gain, and treatment burden recognized as factors. Exogenous basal insulin is titrated to address control of fasting plasma glucose and may preserve residual β-cell function, thus promoting a greater endogenous prandial insulin response...
July 18, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28721344/exploring-patient-characteristics-and-barriers-to-hepatitis-c-treatment-in-patients-on-opioid-substitution-treatment-attending-a-community-based-fibro-scanning-clinic
#7
Des Crowley, Walter Cullen, Eamon Laird, John S Lambert, Tina Mc Hugh, Carol Murphy, Marie Claire Van Hout
BACKGROUND AND OBJECTIVES: Hepatitis C virus (HCV) infection is a major public health issue. There is substandard uptake in HCV assessment and treatment among people who inject drugs (PWID). Community fibroscanning is used to assess disease severity and target treatment. METHODS: A survey was administered to a cohort of chronically HCV infected patients attending a community fibroscanning clinic. Questions targeted diagnosis of HCV, suitability, willingness and barriers to engagement in treatment...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28721043/preparation-of-exenatide-loaded-linear-poly-ethylene-glycol-brush-poly-l-lysine-block-copolymer-potential-implications-on-diabetic-nephropathy
#8
Fei Tong
The poly(ethylene glycol)-b-brush poly(l-lysine) polymer (PEG-b-(PELG50-g-PLL3)) was synthesized and evaluated as a nanocarrier for prolonging delivery of exenatide through the abdominal subcutaneous injection route. The isoelectric point of exenatide was 4.86, and exenatide could combine with PEG-b-(PELG50-g-PLL3) polymers via electrostatic interactions at pH 7.4. This polymer was a good candidate for achieving prolonged drug delivery for exenatide, considering its high molecular weight. Besides the physicochemical characterization of the polymer, in vitro and in vivo applications were researched as a sustained exenatide delivery system...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28721020/access-to-credible-information-on-schizophrenia-patients-medication-adherence-by-prescribers-can-change-their-treatment-strategies-evidence-from-an-online-survey-of-providers
#9
Jason Shafrin, Suepattra G May, Anshu Shrestha, Charles Ruetsch, Nicole Gerlanc, Felicia Forma, Ainslie Hatch, Darius N Lakdawalla, Jean-Pierre Lindenmayer
OBJECTIVE: Overestimating patients' medication adherence diminishes the ability of psychiatric care providers to prescribe the most effective treatment and to identify the root causes of treatment resistance in schizophrenia. This study was conducted to determine how credible patient drug adherence information (PDAI) might change prescribers' treatment decisions. METHODS: In an online survey containing 8 clinical case vignettes describing patients with schizophrenia, health care practitioners who prescribe antipsychotics to patients with schizophrenia were instructed to choose a preferred treatment recommendation from a set of predefined pharmacologic and non-pharmacologic options...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28721013/a-novel-local-anesthetic-system-transcriptional-transactivator-peptide-decorated-nanocarriers-for-skin-delivery-of-ropivacaine
#10
Chuanyu Chen, Peijun You
PURPOSE: Barrier properties of the skin and physicochemical properties of drugs are the main factors for the delivery of local anesthetic molecules. The present work evaluates the anesthetic efficacy of drug-loaded nanocarrier (NC) systems for the delivery of local anesthetic drug, ropivacaine (RVC). METHODS: In this study, transcriptional transactivator peptide (TAT)-decorated RVC-loaded NCs (TAT-RVC/NCs) were successfully fabricated. Physicochemical properties of NCs were determined in terms of particle size, zeta potential, drug encapsulation efficiency, drug-loading capacity, stability, and in vitro drug release...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28719311/infective-endocarditis-in-french-west-indies-a-13-year-observational-study
#11
Elisabeth Fernandes, Claude Olive, Jocelyn Inamo, François Roques, André Cabié, Patrick Hochedez
We conducted an observational study to describe the characteristics of infective endocarditis (IE) in French West Indies (FWI) and to identify variables associated with in-hospital case fatality. The records of the patients admitted for IE to the University Hospital of Martinique between 2000 and 2012 were collected using an electronic case report form. Only Duke-Li definite cases were considered for this analysis. Variables associated with in-hospital mortality were tested using univariate logistic regression analysis...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719295/regional-differences-in-the-prevalence-of-major-opportunistic-infections-among-antiretroviral-na%C3%A3-ve-human-immunodeficiency-virus-patients-in-japan-northern-thailand-northern-vietnam-and-the-philippines
#12
Louie Mar A Gangcuangco, Ikumi Sawada, Naho Tsuchiya, Cuong D Do, Thanh Thuy T Pham, Archawin Rojanawiwat, Marissa Alejandria, Katerina Leyritana, Yoshiyuki Yokomaku, Panita Pathipvanich, Koya Ariyoshi
To identify regional differences in the distribution of opportunistic infections (OIs) among human immunodeficiency virus (HIV)-infected patients in Asia, the medical records of antiretroviral therapy (ART)-naïve patients who attended the following tertiary hospitals from 2003 to 2011 were reviewed: Nagoya Medical Center (NMC, Nagoya, Japan), Lampang Hospital (LPH, Lampang, northern Thailand), Bach Mai Hospital (BMH, Hanoi, northern Vietnam), and Philippine General Hospital (PGH, Manila, Philippines). Logistic regression analyses were performed to identify associations between country of origin and risk of major OIs...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719060/drug-use-and-phylogenetic-clustering-of-hepatitis-c-virus-infection-among-people-who-use-drugs-in-vancouver-canada-a-latent-class-analysis-approach
#13
Brendan Jacka, Bethany Bray, Tanya L Applegate, Brandon Dl Marshall, Viviane Dias Lima, Kanna Hayashi, Kora DeBeck, Jayna Raghwani, P Richard Harrigan, Mel Krajden, Julio Montaner, Jason Grebely
BACKGROUND: This study estimated latent classes (i.e., unobserved subgroups in a population) of people who use drugs in Vancouver, Canada and examined how these classes relate to phylogenetic clustering of hepatitis C virus (HCV) infection. METHODS: HCV antibody positive people who use drugs from two cohorts in Vancouver, Canada (1996-2012) with a Core-E2 sequence were included. Time-stamped phylogenetic trees were inferred and phylogenetic clustering was determined by time to most common recent ancestor...
July 18, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28719029/directly-observed-therapy-of-sofosbuvir-ribavirin-peginterferon-with-minimal-monitoring-for-the-treatment-of-chronic-hepatitis-c-in-people-with-a-history-of-drug-use-in-chennai-india-c-dot
#14
Sunil S Solomon, Mark S Sulkowski, Pradeep Amrose, Aylur K Srikrishnan, Allison M McFall, Balakrishnan Ramasamy, Muniratnam S Kumar, Santhanam Anand, David L Thomas, Shruti H Mehta
BACKGROUND AND AIMS: We assessed the feasibility of field-based directly observed therapy (DOT) with minimal monitoring to deliver HCV treatment to people with a history of drug use in Chennai, India. METHODS: 50 participants were randomized 1:1 to sofosbuvir + peginterferon alfa 2a + ribavirin (SOF+PR) for 12 weeks (Arm 1) vs. sofosbuvir + ribavirin (SOF+R) for 24 weeks (Arm 2). SOF+R was delivered daily at participant chosen venues and weekly peginterferon injections at the study clinic...
July 18, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28719014/bioavailability-and-tolerability-of-nebulised-dexamethasone-sodium-phosphate-in-adult-horses
#15
A D Haspel, S Giguère, K A Hart, L J Berghaus, J L Davis
BACKGROUND: Nebulisation of the injectable dexamethasone sodium phosphate (DSP) would offer an inexpensive way of delivering a potent corticosteroid directly to the lungs of horses with asthma. However, this approach would be advantageous only if systemic absorption is minimal and if the preservatives present in the formulation do not induce airway inflammation. OBJECTIVE: To investigate the bioavailability of nebulised DSP and to determine whether it induces airway inflammation or hypothalamic-pituitary-adrenal (HPA) axis suppression in healthy adult horses...
July 18, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28718961/photodegradation-kinetics-transformation-and-toxicity-prediction-of-ketoprofen-carprofen-and-diclofenac-acid-in-aqueous-solutions
#16
Jian Li, Li-Yun Ma, Lu-Shuang Li, Li Xu
In this study, the photodegradation of three commonly used non-steroidal anti-inflammatory drugs, ketoprofen (KET), carprofen (CAR) and diclofenac acid (DIC), was conducted under UV irradiation. The kinetic results showed that the studied three pharmaceuticals obeyed to the first-order reaction with the decreasing rate constants of 1.54×10(-4) s(-1) , 5.91×10(-5) s(-1) and 7.78×10(-6) s(-1) for CAR, KET and DIC, respectively. Moreover, the main transformation products (TPs) were identified by ion-pair liquid-liquid extraction combined with injection port derivatization-gas chromatography-mass spectrometer and high performance liquidchromatography-quadrupole-time of flight mass spectrometer analysis...
July 18, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28718799/zebrafish-as-a-model-organism-for-the-development-of-drugs-for-skin-cancer
#17
REVIEW
Fatemeh Bootorabi, Hamed Manouchehri, Reza Changizi, Harlan Barker, Elisabetta Palazzo, Annalisa Saltari, Mataleena Parikka, Carlo Pincelli, Ashok Aspatwar
Skin cancer, which includes melanoma and squamous cell carcinoma, represents the most common type of cutaneous malignancy worldwide, and its incidence is expected to rise in the near future. This condition derives from acquired genetic dysregulation of signaling pathways involved in the proliferation and apoptosis of skin cells. The development of animal models has allowed a better understanding of these pathomechanisms, with the possibility of carrying out toxicological screening and drug development. In particular, the zebrafish (Danio rerio) has been established as one of the most important model organisms for cancer research...
July 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28718268/oxymorphone-induced-thrombotic-microangiopathy-mimicking-atypical-haemolytic-uremic-syndrome
#18
Amibhen Gandhi, Saad Ullah, Shani Kotadia, Samer Nasser
Atypical Haemolytic Uremic Syndrome (aHUS) is a rare life threatening entity characterized by thrombocytopenia, haemolytic anaemia and renal dysfunction. It is a thrombotic microangiopathy related to genetic mutations in the alternate complement pathway and has a distinct pathophysiology which makes it harder to distinguish from other microangiopathies. We present a case of a 25-year-old male patient with history of polysubstance abuse who presented with chest pain and dyspnoea. He admitted to using injectable oxymorphone (Opana) two weeks before presentation...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28718237/accidental-intra-arterial-injection-and-limb-ischemia
#19
Abdul Malik, Ikramullah, Muhammad Gibran Khan, Syed Murad Ali Shah, Muhammad Ilyas
BACKGROUND: Accidental intra-arterial drug injections usually occur as an iatrogenic complication but it is also found in drug abusers as a result of attempted intravenous (IV) injections. It is estimated that accidental intra-arterial injections are found in 1:3500-1:56000 patients visiting emergency department. METHODS: This was cross sectional study performed in cardiovascular department Lady reading Hospital Peshawar from 1.1.2013 to 31.8.2015. Accidental intra-arterial injection was defined as intravenous injection in upper limb for any illness which is followed by sudden severe pain in limb followed by bluish discoloration of any part of limb...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28718220/long-acting-formulation-leading-to-severe-long-term-adverse-effects-a-case-report-of-fluphenazine-and-persistent-extrapyramidal-symptoms
#20
T Omi, Y Mitsui, H Matsunaga
WHAT IS KNOWN AND OBJECTIVE: Long-acting formulations are an important therapeutic option for non-adherent patients with schizophrenia. There is a commonly held view that management of long-acting formulation-induced side effects is difficult. CASE DESCRIPTION: We present a patient with schizophrenia who developed acute and persistent extrapyramidal symptoms requiring tracheostomy and long-term rehabilitation after long-acting injections of fluphenazine decanoate...
July 17, 2017: Journal of Clinical Pharmacy and Therapeutics
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