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Cristina Bezzio, Stefano Festa, Giulia Zerboni, Claudio Papi, Gianpiero Manes, Simone Saibeni
Budesonide belongs to low-bioavailability steroids class. A novel oral formulation of budesonide, which uses the Multi-Matrix System (MMX) for delivering drugs to the colon, is now available as a possible treatment of ulcerative colitis patients intolerant or not-responding to first-line therapy with 5-ASA. Areas covered: in this review we present information about the development and the use of budesonide MMX and we provide data about its mechanism of action as well as, pharmacodynamics and pharmacokynetics...
February 23, 2018: Expert Opinion on Drug Safety
Haruna Sugahara, Cornelia Meinert, Laurent Nahon, Nykola C Jones, Søren V Hoffmann, Kenji Hamase, Yoshinori Takano, Uwe J Meierhenrich
Living organisms on the Earth almost exclusively use l-amino acids for the molecular architecture of proteins. The biological occurrence of d-amino acids is rare, although their functions in various organisms are being gradually understood. A possible explanation for the origin of biomolecular homochirality is the delivery of enantioenriched molecules via extraterrestrial bodies, such as asteroids and comets on early Earth. For the asymmetric formation of amino acids and their precursor molecules in interstellar environments, the interaction with circularly polarized photons is considered to have played a potential role in causing chiral asymmetry...
January 18, 2018: Biochimica et Biophysica Acta
Antonio Cuomo, Dolores Sgambato, Mauro Valeriano D'Auria, Agnese Miranda, Emanuele Ferrante, Marco Romano
BACKGROUND: Mesalazine 1 g suppository/die is used for mild to moderately active ulcerative proctitis (UP). Whether addiction of Multi Matrix System (MMX) mesalazine increases the remission rate of UP and prevents proximal extension of disease is unknown. METHODS: This is a retrospective study on 116 outpatients with UP who had been treated with one of the following regimens: (1) MMX mesalazine 1.2 g/die plus mesalazine suppositories for 8 ± 2 weeks and, subsequently, MMX mesalazine 1...
January 16, 2018: Digestive Diseases
Tessa E H Römkens, Rene Te Morsche, Wilbert Peters, David M Burger, Frank Hoentjen, Joost P H Drenth
Adherence is pivotal but challenging in ulcerative colitis (UC) treatment. Many methods to assess adherence are subjective or have limitations. (Nac-)5-aminosalicylic acid (5-ASA) urinalysis by high-performance liquid chromatography (HPLC) seems feasible and reproducible in healthy volunteers. We performed a prospective study in adult quiescent UC patients to evaluate the feasibility of spot (Nac-)5-ASA urinalysis by HPLC to assess adherence in daily inflammatory bowel disease (IBD) care. Twenty-nine patients (51...
March 2018: British Journal of Clinical Pharmacology
Stefanos Bonovas, Georgios K Nikolopoulos, Theodore Lytras, Gionata Fiorino, Laurent Peyrin-Biroulet, Silvio Danese
AIMS: Oral systemic corticosteroids have been used to induce remission in patients with active inflammatory bowel disease (IBD) for over 50 years; however, the wide array of adverse events (AEs) associated with these drugs prompted the development of steroid compounds with targeted delivery and low systemic bioavailability. This study assessed corticosteroids' comparative harm using network meta-analysis. METHODS: We searched PubMed, Scopus, Embase, the Cochrane Library, clinical trial registries, regulatory authorities' websites and major conference proceedings, through March 2017...
February 2018: British Journal of Clinical Pharmacology
Long Ma, Jiang Wu, Qun Hua Jin
The aim of the current study was to determine the effect of parathyroid hormone (PTH) 1‑34 on cartilage degeneration, and the association between PTH 1‑34 and factors associated with the Wnt/β‑catenin pathway following anterior cruciate ligament and medial meniscectomy‑induced osteoarthritis (OA) in rats. A total of 64 Sprague‑Dawley rats were randomly divided into the following four groups: Sham‑operated rats with normal saline (NS)‑treatment (n=16); anterior cruciate ligament transection with partial medial meniscectomy (ACLT + MMx) rats with NS‑treatment (n=16); sham‑operated rats treated with PTH 1‑34 (n=16); and ACLT + MMx rats treated with PTH 1‑34 (n=16)...
December 2017: Molecular Medicine Reports
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 lanthanide-induced shift (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...
August 2017: Expert Opinion on Pharmacotherapy
Katarzyna Karolewska-Bochenek, Marcin Dziekiewicz, Aleksandra Banaszkiewicz
No abstract text is available yet for this article.
October 27, 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
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