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18. Chladek J, Simkova M, Vaneckova J, Hroch M, ChladkovaJ, Martinkova J, et al. The effect of folic acid supplementation on the pharmacokinetics and pharmacodynamics of oral methotrexate during the remission-induction period of treatment for moderate-to-severe plaque psoriasis. Eur J Clin Pharmacol 2008;64(4):347-55.
19. Asawanonda P, Nateetongrungsak Y. Methotrexate plus narrowband UVB phototherapy versus narrowband UVB phototherapy alone in the treatment of
Alexandru Robert Vlad, Gabriel Hancu, Hajnal Kelemen, Diana Ciurcă and Amelia Tero-Vescan
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7. Noh K, Bae K, Min B, et al. - Enantioselective pharmacokinetics of sibutramine in rat. Arch Pharm Res. 2010
Fülöp Ibolya, Croitoru Mircea Dumitru, Vajda Andrea, Jakab Irén and Fogarasi Erzsébet
5. Gan TJ. - Diclofenac: an update on its mechanism of action and safety profile. Curr Med Res Opin. 2010;26:1715-1731.
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8. Walter K, von Nieciecki A. - Relative bioavailability of diclofenac after a single administration of a new multiple-unit formulation with enteric-coated pellets. Arzneimittel-Forschung-Drug Res
Dragana Dragas Milovanovic, Ivan Radosavljevic, Marija Radovanovic, Jasmina R. Milovanovic, Slobodan Obradovic, Slobodan Jankovic, Dragan Milovanovic and Natasa Djordjevic
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Vipul P. Patel, Hardik A. Lakkad and Kalpesh Chhotalal Ashara
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7. Chaudhari PD, Motewar PP, Sherekar
Isidora Stojic, Vladimir Zivkovic, Ivan Srejovic, Nevena Jeremic, Vladimir Jakovljevic, Dragan Djuric and Slobodan Novokmet
To date, numerous platinum (II) complexes have been successfully used in the treatment of different types of cancer. Therapeutic platinum complexes are different in terms of their structure, chemical reactivity, solubility, pharmacokinetics and toxicity. The aim of our research was the evaluation of cardiotoxicity of dichloro-(ethylendiamine) platinum (II) in a model of isolated rat heart using the Langedorff technique. Oxidative stress was assessed by determination of superoxide anion radical, hydrogen peroxide, Thiobarbituric Acid Reactive Substances and nitric oxide levels from coronary venous effluent. All reagents were perfused at increasing concentrations from 10-8 to 10-4 M for 30 minutes. In this paper, we report that substances administered at higher doses did not induce dose-dependent effects on oxidative stress markers. The results of this research may be of great interest for future studies in this area. There are many novel platinum compounds that had previously demonstrated antitumour activity, and these types of experiments in our study can assist in the examination of their cardiotoxicity. These results could be helpful for understanding dose-dependent side effects of existing and novel platinum compounds
Alexandra Lazăr, J Szederjesi, Ruxandra Copotoiu, Sanda-Maria Copotoiu and L Azamfirei
1. Cuvillon P, Nouvellon E, Ripart J, Boyer JC, Dehour L, Mahamat A, et al. A comparison of the pharmacodynamics and pharmacokinetics of bupivacaine, ropivacaine (with epinephrine) and their equal volume mixtures with lidocaine used for femoral and sciatic nerve blocks: a double-blind randomized study. Anesth Analg. 2009;108:641-649.
2. Ye F, Feng YX, Lin JJ. A ropivacaine-lidocaine combination for caudal blockade in haemorrhoidectomy. J Int Med Res 2007;35:307-313.
3. Hansen TG. Ropivacaine: A
Jytte Banner, Christian Bjerre Høyer, Martin Roest Christensen, Alexandra Gheorghe, Anne Bugge, Gyda Lolk Ottesen, Lene Warner Thorup Boel, Jørgen Lange Thomsen, Line Kruckow and Christina Jacobsen
Background: Forensic autopsy strategies may improve differential diagnostics both post-mortem and ante-mortem and aid in clinical settings concerning preventive efforts for premature mortality. Excess mortality and reduced life expectancy affect persons with severe mental illnesses (SMI) for multi-faceted reasons that remain controversial. Somatic conditions, medical treatment and lifestyle diseases, which are primarily examined in the living, contribute to premature deaths. The underlying pathophysiological mechanisms are unclear, though, and the benefits of a focused, standardised autopsy remain unproven. We have developed and implemented an optimised molecular–biological autopsy for deceased persons with SMI. Our aim is to map the occurrence of 1) somatic diseases and organ changes; 2) metabolic syndrome; 3) use and abuse of alcohol, pharmaceuticals and psychoactive substances; 4) pharmacokinetic and pharmacodynamic factors in the metabolism of pharmaceuticals; and 5) genetic variations (acquired and/or congenital) in sudden cardiac death. Additionally, we hope to contribute to diagnostic treatments and preventive measures to benefit those living with SMI. Methods: SURVIVE: let the dead help the living is a prospective, autopsy-based study on 500 deceased persons with SMI subjected to forensic autopsies under the Danish Act on Forensic Inquests and Autopsy. The autopsies followed an extended, standardised autopsy protocol comprised of whole-body computed tomography scanning, magnetic resonance imaging of the heart and brain and an extended forensic autopsy, including a wide panel of analyses (toxicology, microbiology, genetics, histology and biochemical analysis). Additionally, post-mortem data were linked to ante-mortem health data extracted from Danish national health registers.
Discussion: The SURVIVE autopsy procedure, including tissue sampling and bio banking, has been shown to be effective. We expect that the SURVIVE study will provide unique opportunities to unravel the mechanisms and causes of premature death in persons with SMI. We also expect that identifying prognostic biomarkers for comorbidities will contribute to prevention of premature deaths and comorbidities in persons with SMI.
Introduction: Antibacterial quinolones class comprises a series of synthetic antibacterial agents, following the model of nalidixic acid. Because of their common 6-fl uorosubtituent on the quinolone ring, fluroquinolones are the most potent analogues with extended spectrum of activity and great pharmacokinetic properties. The applicability of capillary zone electrophoresis for the separation of fl uoroquinolones in acidic background electrolyte has been studied, our aim being the development of a capillary zone electrophoresis method for the simultaneous separation of six fl uoroquinolones and also to optimize the analytical conditions. The six studied fl uoroquinolones were ciprofloxacin, enoxacin, enrofloxacin, moxifloxacin, ofloxacin and sarafloxacin.
Material and methods: Preliminary, we studied the electrophoretic behavior of six fluoroquinolones in an acidic pH, which highlighted the possibility of developing a separation method in this area of pH. Electrophoretic parameters infl uencing separation performance were studied and optimized.
Results: A fast and reliable method has been developed, using a background electrolyte containing 100 mM phosphoric acid and the following conditions: applied voltage: + 25 kV, temperature: 20°C, injection pressure 30 mbar - 5 sec, UV detection at 280 nm, capillary: 60 cm (52 cm effective length) x 50 μm, analyte concentration: 167 μg/ml. The separation of the studied fl uoroquinolones was achieved in less than 8 minutes.
Conclusions: Capillary zone electrophoresis using an acidic background electrolyte proved to be an efficient tool in the separation of fluoroquinolones from different generations. Also the proposed methods are particular environment-friendly replacement and improvement of a common high performance liquid chromatography determination with rapid analysis time without using any organic solvents.