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Spyridaki A Raftogiannis M Antonopoulou A Tsaganos T Routsi C Baziaka F Karagianni V Mouktaroudi M Koutoukas P Pelekanou A Kotanidou A Orfanos SE van der Meer JW Netea MG Giamarellos-Bourboulis EJ 《Antimicrobial agents and chemotherapy》2012,56(7):3819-3825
One recent, double-blind, randomized clinical trial with 200 patients showed that clarithromycin administered intravenously for 3 days in patients with ventilator-associated pneumonia (VAP) accelerated the resolution of pneumonia and decreased the risk of death from septic shock and multiple organ dysfunctions (MODS). The present study focused on the effect of clarithromycin on markers of inflammation in these patients. Blood was drawn immediately before the administration of the allocated treatment and on six consecutive days after the start of treatment. The concentrations of circulating markers were measured. Monocytes and neutrophils were isolated for immunophenotyping analysis and for cytokine stimulation. The ratio of serum interleukin-10 (IL-10) to serum tumor necrosis factor alpha (TNF-α) was decreased in the clarithromycin group compared with the results in the placebo group. Apoptosis of monocytes was significantly increased on day 4 in the clarithromycin group compared with the rate of apoptosis in the placebo group. On the same day, the expression of CD86 was increased and the ratio of soluble CD40 ligand (sCD40L) to CD86 in serum was unchanged. The release of TNF-α, IL-6, and soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) by circulating monocytes after stimulation was greater in the clarithromycin group than in the placebo group. The expression of TREM-1 on monocytes was also increased in the former group. These effects were pronounced in patients with septic shock and MODS. These results suggest that the administration of clarithromycin restored the balance between proinflammatory versus anti-inflammatory mediators in patients with sepsis; this was accompanied by more efficient antigen presentation and increased apoptosis. These effects render new perspectives for the immunotherapy of sepsis. 相似文献
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Body height in paediatric inflammatory bowel diseases: A structural equation model analysis 下载免费PDF全文
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Tsantes A Ikonomidis I Papadakis I Kottaridi C Tsante A Kalamara E Kardoulaki A Kopterides P Kapsimali V Karakitsos P Lekakis J Travlou A 《Platelets》2012,23(6):481-489
Light transmittance aggregometry (LTA) has been extensively used in monitoring clopidogrel therapy. However, the availability of simple and rapid point-of-care platelet function assays is of great clinical importance. Thus, the manufacturer of the Platelet Function Analyzer (PFA)-100 System has recently produced the INNOVANCE PFA P2Y test cartridge. We assessed the ability of this new test to reliably detect clopidogrel resistance. We enrolled 90 consecutive patients with coronary artery disease receiving chronic clopidogrel maintenance therapy in combination with aspirin. Twenty healthy volunteers served as controls. Clopidogrel resistance was simultaneously analysed by the INNOVANCE PFA P2Y test cartridge, ADP-induced LTA, the flow-cytometric vasodilator-stimulated phosphoprotein (VASP)-phosphorylation assay and the multiple electrode aggregometry (Multiplate). Agreement among the four platelet function methods by two was assessed using Cohen's kappa coefficient. According to the cut-off points for clopidogrel resistance proposed by the literature, agreement was fair between INNOVANCE PFA-100 P2Y and LTA (74.4%) and Multiplate (75.6%), while poor agreement was noticed in VASP assay (63.3%). Based on cut-off points indicating a higher thrombotic risk, agreement between the PFA-100 System and the other three methods did not significantly differ compared to the previous cut-offs (72.2%, 71.1% and 55.1%, respectively). The INNOVANCE PFA-100 P2Y test seems to be comparable to other established platelet function assays in detecting clopidogrel resistance. However, the modest agreement among platelet function methods makes the performance of platelet function testing crucial with more than one technique in order to reliably identify poor responders to clopidogrel treatment. 相似文献
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Pallis AG Agelidou A Papakotoulas P Tsaroucha A Agelidou M Agelaki S Androulakis N Vamvakas L Gerogianni A Kotsakis A Kentepozidis N Georgoulias V 《Lung cancer (Amsterdam, Netherlands)》2006,52(2):165-171
PURPOSE: To evaluate the activity and toxicity of the sequential administration of vinorelbine/cisplatin (VC regimen) followed by the docetaxel/gemcitabine (DG regimen) combination in patients with advanced non-small cell lung cancer (NSCLC). PATIENTS AND TREATMENT: Fifty-nine previously untreated patients with advanced/metastatic NSCLC received three cycles of cisplatin 80 mg/m(2) (day 1), and vinorelbine 30 mg/m(2) (days 1 and 8 every 3 weeks; VC regimen), followed by six cycles of docetaxel (65 mg/m(2), day 1) and gemcitabine (1,500 mg/m(2), day 1), (DG regimen) every 2 weeks. RESULTS: One (1.7%) complete and 26 (44.1%) partial responses were achieved for an overall response rate of 45.8% (95% CI 33.05-58.48%); 12 (20.3%) patients had stable disease and 20 (33.9%) progressive disease. The median time to progression was 5.3 months, the median survival time 12.5 months and the 1-year survival rate 51%. The main toxicity was grade III/IV neutropenia occurring in 25.5% of patients; all other hematologic and non-hematologic toxicities were relatively infrequent. CONCLUSIONS: The sequential administration of VC and DG regimens was well tolerated and active against advanced NSCLC and merits to be further evaluated against a single doublet. 相似文献