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Drug therapy

Marco Pozzi, Simone Pisano, Silvana Bertella, Annalisa Capuano, Renata Rizzo, Stefania Antoniazzi, Fabiana Auricchio, Carla Carnovale, Dario Cattaneo, Carmen Ferrajolo, Marta Gentili, Giuseppe Guastella, Elisa Mani, Concetta Rafaniello, Maria Pia Riccio, Maria Grazia Scuderi, Serena Sperandeo, Liberata Sportiello, Laura Villa, Sonia Radice, Emilio Clementi, Francesco Rossi, Antonio Pascotto, Renato Bernardini, Massimo Molteni, Carmela Bravaccio
OBJECTIVE: The practical effectiveness of second-generation antipsychotics in children and adolescents is an understudied issue. It is a crucial area of study, though, because such patients are often treated for long-lasting disorders. METHODS: We carried out a 24-month (March 2012-March 2014) observational study on an unselected population of pediatric outpatients treated with risperidone, aripiprazole, olanzapine, or quetiapine aiming to (1) describe drug use, (2) compare post hoc the discontinuation rates due to specific causes and dose adjustments by Kaplan-Meier analyses between drugs, and (3) analyze predictors influencing these outcomes by Cox multivariate models...
October 25, 2016: Journal of Clinical Psychiatry
Hui Zhao, Nainan Hei, Yiling Wu, Winston Chan, Xiudong Lei, Carrie Cameron, Shine Chang, Mariana Chavez-MacGregor, Sharon H Giordano
BACKGROUND: The National Surgical Adjuvant Breast and Bowel Project B35 and International Breast Cancer Intervention Studies II Ductal Carcinoma In Situ trials showed similar treatment effects of anastrozole and tamoxifen in reducing cancer recurrence risk among ductal carcinoma in situ (DCIS) patients. Studies have shown low levels of hormone therapy drug initiation for DCIS patients, but the current body of literature lacks information on the 5-year adherence rates for these drugs from population-based studies...
October 25, 2016: Cancer
Jakarwan Yostawonkul, Suvimol Surassmo, Tawin Iempridee, Wittaya Pimtong, Kunat Suktham, Warayuth Sajomsang, Pattarapond Gonil, Uracha Rungsardthong Ruktanonchai
A nanostructure lipid carrier (NLC) composed of solid, and liquid lipid as a core has been developed as a delivery system for hydrophobic drug molecules. The aim of this research was to fabricate an oleoyl-quaternized-chitosan (CS)-coated NLC, where the mucoadhesive property of nanoparticles is enhanced for more efficient drug delivery. NLC loaded with alpha-mangostin (AP), a model hydrophobic drug, were fabricated using a high pressure homogenization process and subsequently coated with CS. The fabricated nanoparticles showed particle sizes in the range of 200-400nm, with low polydispersity, high physical stability and excellent encapsulation efficiency (EE>90%)...
September 29, 2016: Colloids and Surfaces. B, Biointerfaces
Wan-Ju Lee, Leslie Briars, Todd A Lee, Gregory S Calip, Katie J Suda, Glen T Schumock
OBJECTIVE: To characterize the use of tumor necrosis factor-alpha inhibitors (TNFI) in children with juvenile idiopathic arthritis (JIA) and young adults with rheumatoid arthritis (RA). METHODS: Patients with incident JIA or RA were identified using the Truven Health MarketScan Commercial Claims and Encounters database from 2009 to 2013. The incident diagnosis was defined as no prior claims with a JIA/RA code and no JIA/RA medications recorded during the previous 6 months...
October 25, 2016: Pharmacotherapy
Amanda C Capino, Jamie L Miller, Peter N Johnson
The need for sedation and analgesia and treatment of iatrogenic drug withdrawal is common in critically ill children. First-line therapy typically includes opioid agonists. However, clonidine, a central alpha2 agonist, has been suggested as a treatment option for sedation and analgesia and iatrogenic drug withdrawal. Therefore, we conducted a literature search to identify articles evaluating the use of enteral and transdermal clonidine in critically ill infants and children for sedation and analgesia and treatment of iatrogenic drug withdrawal...
October 25, 2016: Pharmacotherapy
L Hepburn, D J Hijnen, B R Sellman, T Mustelin, M A Sleeman, R D May, I Strickland
Atopic dermatitis (AD) is a complex, chronic inflammatory skin disorder affecting more than 10% of UK children and is a major cause of occupation-related disability. A subset of patients, particularly those with severe AD, are persistently colonised with Staphylococcus aureus (S. aureus) and exacerbation of disease is commonly associated with this bacterium by virtue of increased inflammation and allergic sensitisation, aggravated by skin barrier defects. Understanding the complex biology of S. aureus is an important factor when developing new drugs to combat infection...
October 25, 2016: British Journal of Dermatology
Jan Liliemark, Lars Lööf, Gustaf Befrits, Stefan Back, Lars Sandman
The County Council's board for new therapies (the NT Council) provides recommendations on the use of new drugs based on the ethical platform of priorities, founded by the Swedish parliament. The Council has formulated a policy that interprets the parliamentary ethical platform and operationalize its need and solidarity principle and cost effectiveness principle in four dimensions. The NT Council weighs the health economic evaluation of the drug and the four dimensions: the severity of the condition, the rarity of the condition, the effect size and the data reliability to determine the willingness to pay level and whether the platform allows a recommendation for using of the drug...
October 18, 2016: Läkartidningen
Hiroko Kitahara, Mariko Hirai, Koroku Kato, George Bou-Gharios, Hiroyuki Nakamura, Shuichi Kawashiri
Inhibition of epidermal growth factor receptor (EGFR) signalling has emerged as a new treatment strategy for oral squamous cell carcinoma (OSCC). Previously, we found that loss of EGFR expression in OSCC was associated with epithelial-mesenchymal transition (EMT), and may have functional implications with regard to resistance to cetuximab, a monoclonal anti-EGFR antibody. Eribulin (a microtubule inhibitor) reportedly renders breast cancer less aggressive, and less likely to metastasise, by triggering mesenchymal‑to‑epithelial (MET) transition...
October 21, 2016: Oncology Reports
Edgar Teddy Quispe-Soto, Gloria M Calaf
Global cancer burden increased to 14.1 million new cases in 2012; and breast cancer is the most common cancer in women worldwide, with nearly 1.7 million new cases diagnosed in 2012. Curcumin is the major bioactive ingredient extracted from the rhizome of the plant Curcuma longa (turmeric). Paclitaxel is a microtubule-stabilizing agent originally isolated from the bark of Taxus brevifolia. Curcumin and paclitaxel were evaluated with two human breast cancer cell lines as the luminal MCF-7 and the basal-like MDA-MB-231 that are either positive or negative for hormonal receptors estrogen receptor, progesterone receptor and HER2, respectively...
October 19, 2016: International Journal of Oncology
Amanda N Fletcher, Agostino Molteni, Rakesh Ponnapureddy, Chirag Patel, Mark Pluym, Alan M Poisner
BACKGROUND: Fat embolism (FE) and the consequent fat embolism syndrome (FES) occurring after trauma or surgery can lead to serious pulmonary injury, including ARDS and death. Current treatment of FES is limited to supportive therapy. We have shown in a rat model that the renin angiotensin system (RAS) plays a significant role in the pathophysiology of FE since drugs interfering with the RAS, captopril and losartan, reduce the histopathologic pulmonary damage. The purpose of the current study was to determine if inhibition of renin by aliskiren, an FDA-approved drug for treating hypertension, would produce effective protection in the same model...
October 25, 2016: Journal of Trauma and Acute Care Surgery
Arne Liebau, Olivia Pogorzelski, Alec N Salt, Stefan K Plontke
OBJECTIVE: Controlled and uncontrolled studies with primary intratympanic or combined intratympanic and systemic application of glucocorticosteroids for idiopathic sudden hearing loss were analyzed by means of a meta-analysis in an attempt to establish optimal local drug delivery protocols. STUDY DESIGN: A total of 25 studies with 28 treatment groups between January 2000 and June 2014 were selected that adequately described drug delivery protocols. Cochlear drug levels were calculated by a validated computer model of drug dispersion in the inner ear fluids based on the concentration and volume of glucocorticoids applied, the time the drug remained in the middle ear, and the specific timing of injections...
October 21, 2016: Otology & Neurotology
Kinda Fattouh, Diane Collet-Benzaquen, Anne M Provensal, Françoise Desseigne, Christine Castillo, Patrick Combemale, Arnaud de la Fouchardière
Necrotizing Infundibular Crystalline Folliculitis (NICF) is rare entity of unknown pathogenesis presenting as follicular crystalline papules arising in seborrheic areas. We report 2 cases of NICF in patients under targeted therapy for metastatic adenocarcinoma. In one case, the lesions reappeared cyclically every 3 weeks after each injection and in the other case, lesions persisted until disruption of the continuous oral therapy. Punch-biopsies demonstrated folliculitis with a plugging crystalline material associated with either bacteria or yeast...
September 27, 2016: American Journal of Dermatopathology
E Lepiarczyk, A Dudek, J Kaleczyc, M Majewski, W Markiewicz, P Radziszewski, A Bossowska
Resiniferatoxin (RTX) is used as experimental drug therapy for a range of neurogenic urinary bladder disorders. The present study investigated the chemical coding of caudal mesenteric ganglion (CaMG) neurons supplying the porcine urinary bladder after intravesical RTX instillation. The CaMG neurons were visualized with retrograde tracer Fast Blue (FB) and their chemical profile was disclosed with double-labelling immunohistochemistry using antibodies against tyrosine hydroxylase (TH), neuropeptide Y (NPY), vasoactive intestinal polypeptide (VIP), somatostatin (SOM), calbindin (CB), galanin (GAL) and neuronal nitric oxide synthase (nNOS)...
August 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
H Satoh, R Kondo, T Shinoda, S Idaka, K Ishigami, S Shiotani
Recent progress in endoscopic techniques has revealed that non-steroidal anti-inflammatory drugs (NSAIDs) often cause ulcers in the small intestine in humans, but effective therapy is not available at present. In the present study, we investigated the effects of feeding condition and the amount of dietary fiber (DF) in the diet on the formation of gastrointestinal ulcers induced by NSAIDs in dogs. Several types of diets containing various percentages of DF were given to dogs. Indomethacin (1 or 3 mg/kg, p.o...
August 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
Ahmad Salimi, Mehryar Habibi Roudkenar, Leila Sadeghi, Alireza Mohseni, Enayatollah Seydi, Nahal Pirahmadi, Jalal Pourahmad
The present study investigates the in vitro and in vivo effect of acacetin (4'-methoxy-5,7-dihydroxyflavone) on chronic lymphocytic leukemia (CLL) B-lymphocytes and mitochondria. CLL B-lymphocytes and healthy B-lymphocytes were obtained from CLL patients and healthy donors, respectively. Mitochondria were isolated from B-lymphocytes of both groups. Xenografts in severe combined immune deficient mice were used to examine the toxicity and anti CLL activity of acacetin. We evaluated and compared the mechanism of action of acacetin on CLL and healthy B-lymphocytes and their mitochondria...
October 25, 2016: Nutrition and Cancer
Yu Karpov, N Logunova, D Tomilova, V Buza, Yu Khomitskaya
OBJECTIVE: The OPTIMA II study sought to evaluate rates of major adverse cardiac and cerebrovascular events (MACCE) during the long-term follow-up of chronic statin users who underwent percutaneous coronary intervention (PCI) with implantation of a drug-eluting stent (DES). RESEARCH DESIGN AND METHODS: OPTIMA II was a non-interventional, observational study conducted at a single center in the Russian Federation. Included patients were aged ≥18 years with stable angina who had received long-term (≥1 month) statin therapy prior to elective PCI with DES implantation and who had participated in the original OPTIMA study...
October 25, 2016: Current Medical Research and Opinion
Bryan H Norman, Jeff S McDermott
The neurotrophin nerve growth factor (NGF) has been implicated as a key mediator of chronic pain. NGF binds the tropomysin receptor kinase A (TrkA) and p75, resulting in the activation of downstream signaling pathways that have been linked to pro-nociception. While anti-NGF antibodies have demonstrated analgesia both preclinically and in patients, the mechanism of action of these agents remains unclear. We describe ligands targeting NGF, its receptors, and downstream/related targets. This Perspective highlights large and small molecule approaches to targeting the NGF-TrkA pathway both extra- and intracellularly...
October 25, 2016: Journal of Medicinal Chemistry
P Roldan-Ramos, L A Reyes-Figueroa, J Rumia, E Martinez-Lizana, A Donaire, M Carreno-Martinez
AIM: To describe clinical results and complications derived from vagal nerve stimulation therapy in drug resistant epileptic patients unsuitable for other surgical treatments, since the first implant in an epilepsy national referral centre. PATIENTS AND METHODS: A retrospective analysis of the patients implanted in our centre was held. Data related to baseline characteristics of their epilepsy and therapy complications was collected. RESULTS: 32 new implants in 31 patients are included, mean age of 34 years, 29...
November 1, 2016: Revista de Neurologia
M Rieck, A F Schumacher-Schuh, V Altmann, S M Callegari-Jacques, C R M Rieder, M H Hutz
Levodopa is the most used drug to treat motor symptoms in Parkinson's disease (PD). However, dopaminergic side effects such as nausea and vomiting may occur. Several evidences indicate a major role for dopamine receptors D2 (DRD2) and D3 (DRD3) in emetic activity. The aim of this study was to investigate the relationship of DRD2 rs1799732 and DRD3 rs6280 gene polymorphisms with gastrointestinal (GI) symptoms induced by levodopa in PD patients. Two hundred and seventeen PD patients on levodopa therapy were investigated...
October 25, 2016: Pharmacogenomics Journal
Maren Paulmann, Maja Mockenhaupt
Severe cutaneous adverse reactions (SCAR) are known for a high morbidity and mortality. They may be life-threatening for the affected patient and difficult to accomplish for the patient's family and the treating physician. Such conditions include not only bullous reactions like toxic epidermal necrolysis (TEN) and Stevens-Johnson syndrome (SJS), but also acute generalized exanthematous pustulosis (AGEP) and drug reaction with eosinophilia and systemic symptoms (DRESS). Since clinical pattern, etiology, prognosis and treatment differ among these severe skin reactions, a clear diagnosis based on a comprehensive clinical examination, skin biopsy, and specific laboratory tests is necessary...
September 28, 2016: Current Pharmaceutical Design
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