Search results for "IPR"
showing 10 items of 1515 documents
Transintestinal secretion of ciprofloxacin, grepafloxacin and sparfloxacin: in vitro and in situ inhibition studies.
2003
The influence of the secretion process on the absorption of ciprofloxacin, grepafloxacin and sparfloxacin has been evaluated by means of inhibition studies. Two well known P-glycoprotein inhibitors (cyclosporine, verapamil), a mixed inhibitor of P-glycoprotein and the organic cation transporter OCT1 (quinidine) and a well established MRP substrate (p-aminohipuric acid) have been selected in order to distinguish the possible carriers implicated. An in situ rat gut perfusion model and CACO-2 permeability studies are used. Both methods suggest the involvement of several types of efflux transporters for every fluoroquinolone. The relevance of the secretory pathway depends on the intrinsic perme…
Aza-isoindolo and isoindolo-azaquinoxaline derivatives with antiproliferative activity
2015
Abstract Three new ring systems, pyrido[2′,3′:3,4]pyrrolo[1,2- a ]quinoxalines, pyrido[3′,2′:3,4]pyrrolo[1,2- a ]quinoxalines and pyrido[2′,3′:5,6]pyrazino[2,1- a ]isoindoles, were synthesized through an aza-substitution on the already active isoindolo-quinoxaline system and in particular in the position 7 or 4 of the isoindole moiety and in position 5 of the quinoxaline portion. All new compounds were screened by the National Cancer Institute (Bethesda, MD) against a panel of 60 human tumor cell lines. Biological results of the most active derivatives, with pGI 50 values between 7.09 and 7.27, confirmed the importance of the presence of methoxy substituents for biological activity. The ant…
Cicerone, Bruto. Introduzione, traduzione e note di R.R. Marchese
2011
Composto nei primi tumultuosi mesi del 46 a.C., mentre Cesare sconfigge i pompeiani in Africa e consolida il suo potere, il Brutus registra, in modo lucido e coraggioso, la morte della repubblica e con essa il declino precoce ma irreversibile imposto all’uso pubblico della parola, nel quale i contemporanei di Cicerone individuavano un tratto forte della propria identità. La prima storia dell’eloquenza romana sembra nascere dunque come una sorta di elogio funebre; tuttavia per Cicerone ricordare l’oratoria significa soprattutto conservare un modello di azione e di intervento nella realtà che, nutrendosi di reciprocità e di gratitudine, può essere ancora rianimato e consegnato ai più giovani …
L'ATTIVITA'ì DI FRANCESCO VALENTI A PèALERMO TRA RESTITUZIONE DEL MONUMENTO ORIGINARIO E INTERPRETAZIONE DI UN IDEALE ARCHITETTONICO.
2011
La figura controversa del restauratore siciliano Francesco Valenti viene indagata attraverso due casi d'intervento (Cattedrale e Casa Professa di Palermo), l'uno progettato, l'altro attuato; rivelatori, entrambi, della continuità della sua posizione lungo il novecento, caratterizzata da intenti ripristinatori di immagini ideali dei monumenti oggetto del restauro. Nonostante il proseguire del dibattito nazionale ed europeo sul restauro e pur dicendo di aderire alle idee della scuola italiana di Giovannoni, nei fatti la prassi operativa degli interventi del Valenti rimane profondamente segnata dalla sua formazione originaria
Twin GEM-TPC prototype (HGB4) beam test at GSI and Jyväskylä : a development for the Super-FRS at FAIR
2017
The FAIR[1] facility is an international accelerator centre for research with ion and antiproton beams. It is being built at Darmstadt, Germany as an extension to the current GSI research institute. One major part of the facility will be the Super-FRS[2] separator, which will be include in phase one of the project construction. The NUSTAR experiments will benefit from the Super-FRS, which will deliver an unprecedented range of radioactive ion beams (RIB). These experiments will use beams of different energies and characteristics in three different branches; the high-energy which utilizes the RIB at relativistic energies 300-1500 MeV/u as created in the production process, the low-energy bra…
Incidence of Diabetes Following Ramipril or Rosiglitazone Withdrawal
2011
OBJECTIVE To examine the impact of withdrawing rosiglitazone and ramipril medication on diabetes incidence after closeout of the Diabetes REduction Assessment with ramipril and rosiglitazone Medication (DREAM) trial. RESEARCH DESIGN AND METHODS The 3,366 DREAM subjects at trial end who had not developed diabetes while taking double-blind study medication were transferred to single-blind placebo for 2 to 3 months before undergoing an oral glucose tolerance test. Glycemic status was analyzed for the trial plus washout period and for the washout period alone. RESULTS Following median (interquartile range) 71 (63–86) days drug withdrawal, overall glycemic status remained modestly improved in t…
Strict blood-pressure control and progression of renal failure in children
2009
PubMedID: 19846849 BACKGROUND: Although inhibition of the renin-angiotensin system delays the progression of renal failure in adults with chronic kidney disease, the blood-pressure target for optimal renal protection is controversial. We assessed the long-term renoprotective effect of intensified blood-pressure control among children who were receiving a fixed high dose of an angiotensin-converting- enzyme (ACE) inhibitor. METHODS: After a 6-month run-in period, 385 children, 3 to 18 years of age, with chronic kidney disease (glomerular filtration rate of 15 to 80 ml per minute per 1.73 m2 of body-surface area) received ramipril at a dose of 6 mg per square meter of bodysurface area per day…
Ambulatory Blood Pressure Values in the Ongoing Telmisartan Alone and in Combination with Ramipril Global Endpoint Trial (ONTARGET)
2012
In the Ongoing Telmisartan Alone and in Combination with Ramipril Global Endpoint Trial, telmisartan (T; 80 mg daily) and ramipril (R; 10 mg daily) caused similar clinic blood pressure (BP) reductions, with a similar incidence of cardiovascular and renal events. The R+T combination lowered clinic BP somewhat more with no further cardiovascular or renal protection. The aim of this substudy was to see whether these clinic BP changes reflected the changes of 24-hour BP, a BP with a better prognostic value. In 422 patients in whom 24-hour BP monitoring was performed either before or after 6 to 24 months of treatment, demographic and clinical characteristics were similar in the 3 treated groups.…
Prognostic value of blood pressure in patients with high vascular risk in the Ongoing Telmisartan Alone and in combination with Ramipril Global Endpo…
2009
Hypertension guidelines advise aggressive blood pressure (BP) lowering in patients with diabetes or high cardiovascular risk, but supporting evidence is limited. We analysed the impact of BP on cardiovascular events in well treated high-risk patients enrolled in a large clinical trial (Ongoing Telmisartan Alone and in combination with Ramipril Global Endpoint Trial).Twenty-five thousand five hundred and eighty-eight patients with atherosclerotic disease or diabetes with organ damage, tolerant to angiotensin-converting enzyme inhibitors, were randomized to ramipril, telmisartan or both. We related the primary composite outcome and its components to: baseline SBP; SBP changes from baseline to…
Zofenopril is a cost-effective treatment for patients with left ventricular systolic dysfunction following acute myocardial infarction: a pharmacoeco…
2013
Objective: The Survival of Myocardial Infarction Long-term Evaluation 4 Study (SMILE-4) showed the superiority of Zofenopril (Z) associated with Acetylsalicylic Acid (ASA) as respect to Ramipril (R) plus ASA in reducing the occurrence of major cardiovascular events, in patients with left ventricular dysfunction (LVD) following Acute Myocardial Infarction (AMI). The objective of this retrospective analysis was the evaluation of cost-effectiveness of Z compared to R. Methods: 771 patients with LVD and AMI were randomized, double-blind to Z 60 mg/day (n=389) or R 10 mg/day (n=382) plus ASA 100 mg/day and followed-up for 1 year. The primary study end-point was 1-year combined occurrence of deat…