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novabyss.com
Legionella organisms are often associated with respiratory infections, and Legionella pneumonia results in significant mortality unless it is promptly and effectively treated. The present study was undertaken to compare the in vitro activity of BMS-284756 (T-3811ME), a novel des-F(6)-quinolone, against Legionella species versus the activity of other fluoroquinolones (levofloxacin, moxifloxacin, and ciprofloxacin) and of the macrolides erythromycin, clarithromycin, and azithromycin. The most potent agents tested against Legionella pneumophila serogroup 1, the largest group tested, were BMS-284756, moxifloxacin, and levofloxacin (MIC(90) = 0.016 mg/L). The MIC(90) range for BMS-284756 was 0.008-0.03 mg/L against the total panel of L pneumophila serogroups 1-9 and 12, with the lowest MIC(90) observed for serogroup 7 and the highest for serogroup 2. BMS-284756 was one of the most potent agents tested against isolates of L micdadei, L longbeachae, and other Legionella species (MIC(90) range: 0.008-0.06 mg/L). These results and the high intrinsic activity of BMS-284756 against other respiratory pathogens support its use as empiric monotherapy for a wide range of respiratory infections.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11687318&dopt=Abstract
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Rev Esp Quimioter. 2001 Jun;14(2):172-6.
[Prevalence of primary Helicobacter pylori resistance to eight antimicrobial agents in a hospital in Madrid]
[Article in Spanish]
Toro C, Garcia-Samaniego J, Carbo J, Iniguez A, Alarcon T, Lopez-Brea M, Baquero M.
Servicios de Microbiologia y, Hospital Carlos III, Madrid, Spain.
The aim of this study was to determine the prevalence of primary Helicobacter pylori resistance, and to investigate the relationship with factors such as age and sex. During 1998, 106 H. pylori strains collected from dyspeptic patients who had had no previous H. pylori treatment were studied. The minimun inhibitory concentrations of metronidazole, amoxicillin, clarithromycin, tetracycline, azithromycin, clindamycin, cefotaxime and ciprofloxacin were determined by E-test.((R)). The overall prevalence of primary metronidazole resistance was 40.6%. Although it was more frequent in women than in men (44.4% vs. 37.7%), the difference was significant only in the women who were under 45 years of age. For the rest of the antibiotics, the primary resistance rates were the following: clarithromycin 9.5%, azithromycin 10.3%, clindamycin 13.1%, and ciprofloxacin 7.9%. No resistance to tetracycline and b-lactam antibiotics was found. Clarithromycin and amoxicillin were the most active compounds of the macrolides and b-lactams studied, respectively.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11704771&dopt=Abstract
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farm.rug.nl
OBJECTIVE: To assess the cost-effectiveness of pharmacotherapy for male partners in screening women for asymptomatic infection with Chlamydia trachomatis (CT). METHODS AND DATA: A pharmacoeconomic decision analysis model was constructed for the health outcomes of a CT screening program, such as averted cases of pelvic inflammatory disease and infertility (major outcomes). Reinfection in the absence of partner pharmacotherapy was included in the model. Cost-effectiveness from a societal perspective was estimated for prevalence data from a selective opportunistic screening program in Amsterdam. For diagnosis of asymptomatic CT infection a Ligase Chain Reaction (LCR) test on urine was used; for pharmacotherapy of women and partners azithromycin was used. By linking health outcomes with health care costs and productivity losses, averted costs were estimated. Cost-effectiveness was expressed as net costs per major outcome averted. RESULTS: Partner pharmacotherapy reduces net costs per major outcome averted of the screening program by approximately 50%. Sensitivity analysis indicates significant improvements in cost-effectiveness of the screening program, even when relevant assumptions are varied. Within the broader framework of the screening program, partner pharmacotherapy is a cost-saving activity. CONCLUSIONS: Inclusion of partner pharmacotherpy provides significant improvements in overall cost-effectiveness of the CT screening program among women aged 15 to 29. Partner pharmacotherapy lowers net costs per major outcome averted to the realm where implementation of the screening program should be considered. Considering the cost-saving potential, male partner pharmacotherapy should be pursued within the broader framework of a CT screening program for women. Reinfection should be included in any future pharmacoeconomic model of CT screening. Further work on this type of model should also be directed to linking cost-effectiveness to epidemiological models for the long-term spread of infectious diseases in populations.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11705188&dopt=Abstract
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