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Silvia Nardelli, Laura Francesca Pisani, Gian Eugenio Tontini, Maurizio Vecchi, Luca Pastorelli
The Multimatrix(®) (MMX(®)) preparation MMX(®) is a recently obtained drug formulation developed to facilitate release of high concentrations of active drugs into the colon, with a homogeneous distribution along all colonic segments, particularly the most distal ones; the distal colonic tracts, indeed, are the most difficult to reach in significant amounts when a drug is given orally. The MMX(®) formulation is characterized by a lipophilic matrix dispersed in a hydrophilic structure. Indeed, in the last few years, MMX(®) technology has been widely used in the development of various drugs for the treatment of inflammatory and infectious gastrointestinal diseases localized in the colon...
July 2017: Therapeutic Advances in Gastroenterology
Raymond J Abraham, Marco Filippi, Giovanni Petrillo, Paola Piaggio, Chiara Vladiskovic, Fernando Sancassan
Molecular mechanics (MM) with MMFF94 and MMX force-fields and ab initio (RHF/6-31G*,RHF/6-311G** and B3LYP/6-311G** ) calculations are used with LIS to investigate the conformations of N-methyl-2-pyrrolidone 1, N-methyl-2-piperidone 2, ε-caprolactam 3, γ-valerolactam (1,5-dimethyl-2-pyrrolidone) 4, 2-azetidinone 5, 4-methyl azetidinone 6, 4-phenyl azetidinone 7, and N-methyl-4-phenyl azetidinone 8. The Yb(fod)3 paramagnetic induced shifts of all the (1) H and (13) C nuclei are measured and the corresponding diamagnetic complexation shifts obtained by the addition of Lu(fod)3 ...
August 7, 2017: Magnetic Resonance in Chemistry: MRC
Shu-Wen Lin, Chun-Jung Lin, Jyh-Chin Yang
Rifamycin SV MMX®, a non-absorbable rifamycin antibiotic formulated using the multi-matrix system, was designed to exhibit its pharmacological action on the distal small intestine and colon. Its clinical efficacy and safety profile in the treatment of traveler's diarrhea were evaluated in several clinical studies. Areas covered: This review summarizes all available evidence regarding clinical trials of the efficacy and safety profile of rifamycin SV MMX for the treatment of traveler's diarrhea. Expert opinion: Rifamycin SV MMX demonstrated an excellent pharmacokinetic profile with decreased systemic toxicity similar to rifaximin...
July 27, 2017: Expert Opinion on Pharmacotherapy
Katarzyna Karolewska-Bochenek, Marcin Dziekiewicz, Aleksandra Banaszkiewicz
No abstract text is available yet for this article.
May 15, 2017: Journal of Crohn's & Colitis
Raymond J Abraham, M Ashley Cooper
Molecular mechanics calculations plus the application of a refined Karplus equation gave the conformations of 19 pinanes. These range from a Y-shaped geometry in the apopinene and α-pinene series to a pseudo chair conformation in β-pinene, nopinone and verbanone, a flattened chair in pinocarvone and the pinocarveols and a distorted Y shape for iso-verbanone. These structures were then used as input to predict the (1) H chemical shifts of these compounds by semi-empirical ((1) H-NMR spectra (HSPEC)) and ab initio gauge-invariant atomic orbital (GIAO) calculations, the latter at the B3LYP hybrid density functional theory level using 6-31++G** basis set...
April 19, 2017: Magnetic Resonance in Chemistry: MRC
Silvio Danese, Stefanos Bonovas, Laurent Peyrin-Biroulet
No abstract text is available yet for this article.
July 1, 2017: Journal of Crohn's & Colitis
J Lopez-Diaz, R Ferreiro, D De la Iglesia, A Lorenzo, J E Dominguez-Munoz, M Barreiro-de Acosta
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
Cristina Bezzio, Federica Fascì-Spurio, Chiara Viganò, Gianmichele Meucci, Claudio Papi, Simone Saibeni
Ulcerative colitis (uc) is a chronic condition and for the vast majority of patients, life-long treatment is required. low adherence to therapy is an emerging issue. since low adherence is associated with poor clinical outcomes and increased costs, it is becoming crucial to identify strategies in order to improve it. Areas covered: We performed literature searches in PubMed using the terms 'adherence', 'mesalamine', 'budesonide MMX', 'MMX technology' in combination with 'ulcerative colitis'. Firstly, we present the key-concepts of therapy for UC and discuss the problem of the adherence and how to measure it...
January 2017: Expert Review of Gastroenterology & Hepatology
G D'Haens
BACKGROUND: Oral corticosteroids are the mainstay treatment for induction of ulcerative colitis remission in patients failing or intolerant to aminosalicylate therapy, but the poor tolerability profile of these drugs limits their usefulness. Second-generation, gut-selective corticosteroids may offer a safe alternative to systemic agents. AIM: To review the efficacy and safety of systemic and second-generation oral corticosteroids for the induction of remission in ulcerative colitis...
November 2016: Alimentary Pharmacology & Therapeutics
Jen-Hsin Kao, Sheng-Hsiung Lin, Chun-Fu Lai, Yu-Chieh Lin, Zwe-Ling Kong, Chih-Shung Wong
BACKGROUND: Shea nut oil triterpene concentrate is considered to have anti-inflammatory and antioxidant properties. Traditionally, it has been used to treat arthritic conditions in humans. This study aimed to investigate the effect of attenuating osteoarthritis (OA)-induced pain and joint destruction in rats by administering shea nut oil triterpene concentrate (SheaFlex75, which is more than 50% triterpenes). METHODS: An anterior cruciate ligament transaction (ACLT) with medial meniscectomy (MMx) was used to induce OA in male Wistar rats...
2016: PloS One
Zhipeng Cai, Kan Luo, Jianqing Li
Ambulatory electrocardiogram (ECG) monitoring can effectively reduce the risk and death rate of patients with cardiovascular diseases (CVDs). The Body Sensor Network (BSN) based ECG monitoring is a new and efficien method to protect the CVDs patients. To meet the challenges of miniaturization, low power and high signal quality of the node, we proposed a novel 50 mmX 50 mmX 10 mm, 30 g wireless ECG node, which includes the single-chip an alog front-end AD8232, ultra-low power microprocessor MSP430F1611 and Bluetooth module HM-11...
February 2016: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
Francesco Iemolo, Enzo Sanzaro, Giovanni Duro, Antonello Giordano, Maurizio Paciaroni
BACKGROUND: Ischemic injury triggers inflammatory cascades and changes in the protein synthesis, neurotransmitters and neuro-hormones in the brain parenchyma that may further amplify the tissue damage. The "Triage® Stroke Panel", a biochemical multimarker assay, detects Brain Natriuretic Peptide (BNP), D-Dimers (DD), Matrix-Metalloproteinase-9 (MMP-9), and S100β protein generating a Multimarker index of these values (MMX). The aims of this prospective study in consecutive patients with ischemic or hemorrhagic stroke were to assess: 1) the rate of an increase of biomarkers (BNP, D-dimer, MMP-9 and S-100β) tested with the Triage Stroke Panel; 2) the correlation between the increase of these biomarkers and functional outcome at 4 months; 3) the risk factors for the increase of biomarkers...
2016: Immunity & Ageing: I & A
Shiju Yan, Meng Wang, Jian Zhao, Hongtao Zhang, Chengpei Zhou, Lei Jin, Yinglong Zhang, Xiuchun Qiu, Baoan Ma, Qingyu Fan
Osteoarthritis (OA) is the most prevalent degenerative joint disease with multifactorial etiology caused by risk factors such as ageing, obesity and trauma. Previously, it was reported that the inhibition of microRNA-34a (miR-34a) may reduce rat chondrocyte apoptosis induced by IL-1β, whereas the molecular mechanism and the role of miR-34a in human chondrocyte as well as in OA progression remains to be determined. In the current study, using MTT, luciferase reporter assays and western blot analysis we identified that miR-34a was upregulated while silent information regulator 1 (SIRT1) was inhibited in chondrocytes from 12 OA patients compared with healthy chondrocytes from 10 trauma amputees...
July 2016: International Journal of Molecular Medicine
Silvio Danese, Ailsa Hart, Axel Dignass, Edouard Louis, Geert D'Haens, Iris Dotan, Gerhard Rogler, Laurence D'Agay, Claudio Iannacone, Laurent Peyrin-Biroulet
INTRODUCTION: A study has been developed to assess the use and effectiveness of budesonide MMX for mild-to-moderate active ulcerative colitis (UC) in routine clinical practice. METHODS AND ANALYSIS: A prospective, multicentre, observational, cohort study of 300 patients prescribed budesonide MMX for the treatment of mild-to-moderate active UC will be conducted in Europe, Israel and Canada. Patients will be treated with budesonide MMX9 mg daily for induction of remission for ≤8 weeks...
2016: BMJ Open Gastroenterology
Antoine Bergamaschi, Kadda Medjoubi, Cédric Messaoudi, Sergio Marco, Andrea Somogyi
A new multi-platform freeware has been developed for the processing and reconstruction of scanning multi-technique X-ray imaging and tomography datasets. The software platform aims to treat different scanning imaging techniques: X-ray fluorescence, phase, absorption and dark field and any of their combinations, thus providing an easy-to-use data processing tool for the X-ray imaging user community. A dedicated data input stream copes with the input and management of large datasets (several hundred GB) collected during a typical multi-technique fast scan at the Nanoscopium beamline and even on a standard PC...
May 2016: Journal of Synchrotron Radiation
Yongjun Wang, Claire E Parker, Tania Bhanji, Brian G Feagan, John K MacDonald
BACKGROUND: Oral 5-aminosalicylic acid (5-ASA) preparations were intended to avoid the adverse effects of sulfasalazine (SASP) while maintaining its therapeutic benefits. Previously, it was found that 5-ASA drugs in doses of at least 2 g/day, were more effective than placebo but no more effective than SASP for inducing remission in ulcerative colitis. This updated review includes more recent studies and evaluates the efficacy and safety of 5-ASA preparations used for the treatment of mild to moderately active ulcerative colitis...
April 21, 2016: Cochrane Database of Systematic Reviews
Zeng Qiang, Li Ning, Zhou Yanan, Yan Jiazhen, Liu Wenbo
OBJECTIVE: The effect of sandblasting on the bond strength between 3mol% yttrium-stabilized tetragonal zirconium polycrystal (3Y-TZP) zirconia framework and veneering porcelain was evaluated. METHODS: A total of 21 specimens [(25 ± 1) mm x (3 ± 0.1) mmx (0.5 ± 0.05) mm] were prepared according to ISO 9693. The specimens were then randomly divided into 3 groups. Sandblasting was performed on 2 meshes of Al₂O₃ particles: group A with mesh 110 and group B with mesh 80...
December 2015: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
Bahez Gareb, Anko C Eissens, Jos G W Kosterink, Hendrik W Frijlink
Ulcerative colitis (UC) and Crohn's disease (CD) are diseases affecting the gastrointestinal tract. Treatment depends on the severity of the disease, site of inflammation, and patient's response. The aim of this study was to develop a zero-order sustained-release tablet containing both the anti-inflammatory drugs mesalazine and budesonide as a new treatment option for ileo-colonic CD and UC. Tablets were attained by wet granulation with hydroxypropyl methylcellulose and direct compression. Our newly developed tablet core was coated with different ColoPulse® coating thicknesses and the mesalazine and budesonide release profiles were investigated in a 600-min gastrointestinal simulation system (GISS) experiment, together with commercially available MMX®-mesalazine and MMX®-budesonide...
June 2016: European Journal of Pharmaceutics and Biopharmaceutics
Jiahuai Hu, Nagaraju Akula, Nian Wang
In our previous study, we have identified five antimicrobial small molecules via structure based design, which inhibit SecA of Candidatus Liberibacter asiaticus (Las). SecA is a critical protein translocase ATPase subunit and is involved in pre-protein translocation across and integration into the cellular membrane in bacteria. In this study, eleven compounds were identified using similarity search method based on the five lead SecA inhibitors identified previously. The identified SecA inhibitors have poor aqueous solubility...
2016: PloS One
S Ogawa, Y Awaga, M Takashima, A Hama, A Matsuda, H Takamatsu
OBJECTIVE: A number of promising compounds developed for osteoarthritic pain have failed to demonstrate clinical efficacy. To enhance preclinical translational research for osteoarthritis, a model of knee osteoarthritis pain was developed in Macaca fascicularis and the effects of two distinct pharmacological classes of drugs were tested on pain-related behavior. DESIGN: Behavioral assessments were developed specifically for the macaque. Baseline knee pressure threshold and weight bearing were assessed prior to a unilateral medial meniscectomy (MMx)...
July 2016: Osteoarthritis and Cartilage
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