fluorenes

..Here the quality of AL case-management is reported from Uganda; approximately one year after AL replaced combination of chloroquine and sulphadoxine-pyrimethamine (CQ+SP) as recommended first line treatment for uncomplicated malaria...

..Dihydroartemisinin-piperaquine (DHA-PQP) is a promising fixed-dose ACT with limited information on its safety and efficacy in African children...

..Malaria control is difficult where there is intense year-round transmission of multiple plasmodium species, such as in Papua New Guinea...

..The shortage was in large part caused by a delayed procurement process. National ministries of health and the international community must address the current shortcomings facing antimalarial drug supply to the public sector...

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..Implementation was complicated by a policy that was sometimes ambiguous...

..e. pfmdr1 gene amplification, pfmdr1 Y184F, S1034C, N1042D, D1246Y, pfcrt S163R and PfATP6 S769N...

..The aim of this study was to investigate the impact of poor adherence on the effectiveness of AL and CPD...

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..Identification of drug-specific parasite determinants that contribute to treatment failures will provide important tools for the detection and surveillance of AL resistance...

..The feasibility and acceptability of incorporating ACT in HMM needs to be evaluated...

..30). RDTs could potentially improve malaria case management, but we urgently need to develop more effective strategies for implementing guidelines before large scale implementation...

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..Artemisinin-based combination therapy has made a substantial contribution to reducing the burden of malaria in sub-Saharan Africa...

..However, which therapies are optimal is a matter of debate. We aimed to compare the short- and longer-term efficacy of 2 leading therapies in a cohort of young Ugandan children...

..The high cure rates with the two six-dose regimens resulted from increased AUC and increased time at which lumefantrine concentrations were above the in vivo MIC...

..This study describes diagnostic and treatment practices in Mto wa Mbu, an area that used to be hyperendemic for malaria, but where no recent assessments of transmission intensity have been conducted...

..The paper specifically examines the perceived efficacy of ALu as articulated by the mothers of young children diagnosed with malaria and prescribed ALu...

..In contrast to the situation in classic drug trials with ideal treatment conditions, our field survey highlights potential problems with unsupervised usage of Coartem in routine clinical practice and under program conditions...

..Lack of visibility of anti-malarial stock levels at the health facility level is an important contributor to this problem...

..Controlled clinical trials have shown that a six-dose regimen of artemether-lumefantrine (AL) therapy for uncomplicated Plasmodium falciparum malaria results in cure rates >95% with good tolerability...

..However, the potential fall-out of this community-based strategy on the work burden at the peripheral health facilities level has never been investigated...

..To evaluate health facility and health worker readiness to deliver new artemether-lumefantrine (AL) treatment policy for uncomplicated malaria in Kenya...

..New national guidelines on the diagnosis, treatment and prevention were developed and disseminated to health workers together with in-service training...

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..The potential of this intervention was considered by key scientists in the field at an Advisory Board meeting held in Basel, in April 2009. This article summarizes the discussions that took place among the participants...

..To describe the quality of outpatient paediatric malaria case-management approximately 4-6 months after artemether-lumefantrine (AL) replaced sulfadoxine-pyrimethamine (SP) as the nationally recommended first-line therapy in Kenya...

..0. The activity of desbutyl-benflumetol in P. vivax exceeds that of lumefantrine by one order of magnitude, suggesting a high, hitherto unexploited therapeutic potential of desbutyl-benflumetol...

..In contrast, the dG-AF base at the templating position is not well defined by the electron density, consistent with weak binding to the polymerase and a possible interchange of this adduct between the syn and anti conformations...

..The end point was potentiometrically determined. The three evaluated methods showed to be adequate to quantify lumefantrine in raw materials, while HPLC and UV methods presented the most reliable results for the analyses of tablets...

..Our synthetic approach should facilitate comprehensive studies of the mechanisms of repair and mutagenesis induced by dG-AAF adducts in DNA and should be of general use for the incorporation of base-labile functionalities into DNA...

..Extensive cardiological investigations have demonstrated the high cardiac safety of coartemether...

..Lumefantrine could be estimated accurately enough to assess bioavailability and treatment compliance on day 7 (i.e. 4 days after the last dose) after a standard regimen with the lumefantrine/artemether combination...

..Four batches of artemether-lumefantrine tablets were assayed by the validated method. The artemether contents in the tablets varied from 98.61% to 103.35%, while lumefantrine contents were 97.92-100.48%...

..These results support the concept that sugar cataract formation is initiated by the aldose reductase catalyzed intracellular accumulation of polyols and that these sugar cataracts can be prevented through inhibition of aldose reductase...

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..For travellers contracting malaria abroad, we propose a six-dose regimen of CGP 56697 over 3 days...

..05). These results suggest that the sorbitol pathway plays a critical role in the pathophysiological mechanism(s) of diabetic periodontitis and that AR may be a direct pharmacological target for the treatment for this disease...

..Thus, both treatments appeared effective and safe for the treatment of uncomplicated P. falciparum malaria in central Sudan, although treatment with DHA-P (which requires a simpler dosing regimen) might be preferred to treatment with AL...

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..To overcome this challenge, a global ACT subsidy has been proposed. We tested this proposal through a pilot program in rural Tanzania...

..However, there is limited data on the safety and tolerability of these drugs, especially in young children and patients co-infected with HIV...

..The high adherence to artemether-lumefantrine found in our study suggest that this drug is likely to be very effective in Mbarara provided that patients receive clear dosage explanations...

..A tender process based primarily on price cannot account for a company's ability to consistently supply sufficient product in time...

..These results highlight the importance of pfmdr1 copy number in determining P. falciparum susceptibility to multiple agents currently being used to combat malaria caused by multidrug-resistant parasites...

..A change to artemisinin-based combination therapy is recommended. Both Coartem and MQ + AS appear to be good options, effective in curing P. falciparum malaria and in preventing recrudescences following treatment...

..The co-artemether six-dose regimen, treating acute uncomplicated falciparum malaria in African children, achieved rapid parasite clearance and a high cure rate. Treatment was generally safe and well tolerated...

..The therapeutic efficacy of artesunate plus amodiaquine and artemether/lumefantrine were assessed in an area of Nigeria with high levels of Plasmodium falciparum resistance to chloroquine and sulphadoxine-pyrimethamine...

..Cost is a major barrier to deployment. There is little evidence from field trials on the cost-effectiveness of these new combinations...

..The main finding of our analysis is that the six-dose regimen of co-artemether is more effective than the four-dose regimen in adolescents and adults without compromising safety...

..To evaluate whether the potent CYP3A4 inhibitor ketoconazole has any influence on the pharmacokinetic and electrocardiographic parameters of the antimalarial co-artemether (artemether-lumefantrine) in healthy subjects...

..4% in the 3 sites with a follow-up of 28 days. No serious drug related adverse event was reported...

..However, additional data would be warranted to better characterize artemether and lumefantrine pharmacokinetics in patients with hepatic impairment, in pregnant women, and in patients undergoing HIV/AIDS chemotherapy...

..To examine access to, timing and use of artemisinin-based combination therapy among rural Kenyan febrile children before and following the introduction of artemether-lumefantrine (AL) as first-line antimalarial drug policy...

..We compared the efficacy and safety of AL with DP in Kanungu, an area of moderate malaria transmission...

..This study compared the safety and tolerability of three combination antimalarial regimens in a cohort of Ugandan children...

..Relevant published and unpublished documents were reviewed. Data and information obtained were compiled into a structured format...

..No serious adverse events occurred. We concluded that both DNP and Coartem/ Riamet were safe, well tolerated and highly efficacious in the treatment of acute uncomplicated falciparum malaria in Thailand...

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..We suggest that auto-induction of gut mucosa enzymes and/or liver enzymes causes a time-dependent increase in first-pass metabolisation of artemether...

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..If the fixed antimalarial drug combination artemether-lumefantrine (AL) could be given once daily, this should improve adherence and thus effectiveness and lower the risk of selecting for resistance...

..The aim of this study was to describe the dose-response relationship between coadministration of fat and relative lumefantrine bioavailability, in order to determine the minimum amount of fat necessary to optimize absorption...

..P. falciparum in Laos is multi-drug resistant; antimalarial immunity resulting from the use of ineffective chloroquine before 2005 probably contributes significantly to the therapeutic responses in clinical trials...

..Our aim was to compare the risk of recurrent parasitaemia in patients given artemether-lumefantrine with that in those given amodiaquine plus sulfadoxine-pyrimethamine for uncomplicated malaria...

..82 +/- 12.14 hours) and parasite (30.36 +/- 19.43 hours) clearance. These data suggest that artemether-lumefantrine is a highly efficacious and well-tolerated treatment for uncomplicated P. falciparum malaria in Bangladesh...

..Further investigations are necessary to determine whether resistance of Plasmodium falciparum isolates to lumefantrine is present in the region...

..A review of the mein drug combinations, which are recently registered or are still under development, was undertaken, with special attention to the atovaquone-proguanil and artemether-lumefantrine combination...

..However, the relevance of these findings requires careful consideration in countries with currently effective treatment policies and higher intensity malaria transmission...

..0%, respectively (P = 0.08). No serious adverse events occurred. Artesunate-sulfamethoxypyrazine-pyrimethamine is well-tolerated and effective against P. falciparum malaria. It showed an additional benefit of preventing new infections...

..Interpretation of PCR-adjusted results will significantly depend on methodology...

..However, there is little information on the efficacy of these regimens on subsequent episodes beyond 28 days, or on the safety of repeated treatments...

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..Dhfr and dhps mutations were not associated with outcome. AL is more effective than SP for uncomplicated malaria in Nepal, but regular monitoring of its efficacy should be carried out if this combination therapy is introduced...

..These results indicate that AS-SMP and AT-LU are currently very effective treatments not only for uncomplicated, P. falciparum malaria but also for S. mansoni infections...

..Both regimens were well tolerated. Artemether-lumefantrine clears parasitemia more rapidly than ASP but both combinations are effective in treatment of uncomplicated P. falciparum malaria in Nigerian children...

..In conclusion, the six-dose regimen of artemether-lumefantrine was effective and well tolerated in the treatment of acute uncomplicated falciparum malaria in nonimmune patients...

..To assess artemether-lumefantrine effectiveness in the treatment of falciparum malaria in an unsupervised outpatient setting in Africa...

..For pfmdr1, 86Y and 1246Y were common at baseline and their prevalences were significantly higher in new isolates after therapy, indicating that treatment selected for mutations associated with a decreased response to amodiaquine...

..During a consensus workshop, the Ministry of Public Health agreed on the combination of artesunate and amodiaquine as the first line drug for the treatment of uncomplicated falciparum malaria in Burundi including epidemic outbreak...

..To test the hypothesis that artesunate plus amodiaquine (ASAQ) is as effective as artemether-lumefantrine (AL) in the treatment of acute uncomplicated malaria in Nigerian children...

..Combination therapy is now widely advocated as first-line treatment for uncomplicated malaria in Africa. However, it is not clear which treatment regimens are optimal or how to best assess comparative efficacies in highly endemic areas...

..Treatment with artemether/lumefantrine was followed by classical and alternative pathway complement activation, without evidence for mannan-binding-lectin-mediated complement activation...

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..Our aim was to compare the safety and efficacy of dihydroartemisinin-piperaquine with that of artemether-lumefantrine in patients with uncomplicated malaria caused by multidrug-resistant P falciparum and P vivax...

..falciparum acquired in Africa, who failed to respond to artemisinin-based therapy. Sub-therapeutic dosing in accordance with the manufacturers' recommendations was the probable cause...

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..Presented here are the results of a comparative trial on the efficacy of three artemisinin-based combinations conducted from May to October 2004, in Pool Province, Republic of Congo...

..falciparum infections to combined treatment with artesunate + mefloquine. The EC9o and EC99 data of 2002 for lumefantrine in the study area suggest fully curative clinical-parasitological efficacy...

..To compare the cost-effectiveness of malaria treatment based on presumptive diagnosis with that of malaria treatment based on rapid diagnostic tests (RDTs)...

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..The WHO-packaged six-dose regimen of artemether-lumefantrine is effective taken unsupervised, although cost is a major limitation...

..No moderate or severe adverse side-effects, clinical failures or parasitological failures were observed among these 137 patients. ACT therefore appear both efficacious and safe for the treatment of uncomplicated malaria in central Sudan...

..These results confirm the excellent safety and efficacy of the six-dose regimen of artemether-lumefantrine in the treatment of multidrug-resistant P. falciparum malaria...

..Children who were 9-59 months of age and who weighted > or =9 kg were randomly assigned to receive either ASAQ or AL for 3 days in standard doses. Intention-to-treat analyses were performed...

..Artemisinin-based combination treatments have consistently been shown to be highly effective and safe. The challenge is to make them accessible in tropical countries...

..Malaria is diagnosed definitively and treatment is provided free of charge in reasonably accessible public-sector health-care facilities...

..This program seeks to train independent academic endocrinologists who will function as independent laboratory scientists capable of developing research programs that address endocrine disorders in the future. ..

..These studies may elucidate roles of estrogen in the regulation of Ah responsiveness, CYP1 expression, and carcinogen bioactivation that may lead to novel breast cancer chemoprevention strategies. ..

..Since tumors are characterized by an accumulation of genetic changes, increasing the mutational burden with exposures early in life has the potential to increase adult cancer risk. ..

..abstract_text> ..

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..The proposed work is expected to impact the general areas of pharmaceutical and agricultural research, and infectious diseases in particular, through discoveries in synthetic organic chemistry and chemical biology. ..

..Furthermore, the small molecule inhibitors identified in this proposal may be used as a starting point for the development of therapeutics to inhibit bacterial infection caused by Gram-negative pathogens that utilize type III secretion. ..

..This will reveal novel therapeutic targets to focus treatments and help alleviate the donor shortage. ..

..This research will further define the utility of Fundulus as a model organism for studying PAH-associated toxicities and in the development of human CYP19 or CYP1 B-related therapeutics. ..

..Moreover, these studies should help identify new drug targets for the treatment of these diabetic complications. ..

..The key molecular players (adduct structures, polymerases, repair proteins) producing adverse outcomes must be identified, characterized, and understood in order to devise appropriate prevention and risk assessment strategies. ..

..It complements the efforts of other workers in developing methods for rapidly identifying anthrax and botulinum toxin. ..

..Specific targets include the cognition-enhancing alkaloid huperzine A, morphine, the parent compound of the morphine alkaloids, and N-deacetyllappaconitine, representative of the Delphinium diterpenoid alkaloids. ..

..abstract_text> ..

..The disease areas likely to benefit most from the proposed investigations are bacterial-caused diseases and malaria. ..

..abstract_text> ..

..DNA binding and mammalian cell mutagenicity studies on the substituted and derivatized-PAHs proposed for stable ion work will enhance the available literature data on structure/reactivity relationships. ..

..falciparum antigens to susceptibility to infection and disease is important in the evaluation of these antigens as malaria vaccine candidates. ..

..The study therefore has the potential to lead to the prevention of brain injury in hundreds of thousands of children in sub-Saharan Africa. ..

..These studies may elucidate roles of estrogen in the regulation of Ah responsiveness, CYP1 expression, and carcinogen bioactivation that may lead to novel breast cancer chemoprevention strategies. ..

..The study therefore has the potential to lead to the prevention of brain injury in hundreds of thousands of children in sub-Saharan Africa. ..

..The study therefore has the potential to lead to the prevention of brain injury in hundreds of thousands of children in sub-Saharan Africa. ..

..Moreover, these studies should help identify new drug targets for the treatment of these diabetic complications. ..

..research grant ..

..We anticipate that our findings will generate strategies for vaccine induction of robust immune responses against multiple antigenic variants in vulnerable populations experiencing malaria epidemics. ..

..e., endotoxemia. These aims are proposed to identify crucial components in sepsis pathophysiology and characterize what is potentially a useful tool in the therapeutic arsenal used to combat sepsis. ..

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..The ultimate goal is for the applicant to become an independent investigator. ..

..Parikh will be able to utilize modern molecular epidemiology techniques to investigate human genetic factors underlying susceptibility to malaria and he will be well equipped for a career in academic research. ..

..Evaluating the role of ATGL-mediated fat breakdown in skeletal muscle will provide important insights into the pathophysiology and treatment of obesity, insulin resistance, and related metabolic disorders. ..

..The information generated by the study will also be instrumental in the development of new programs for preventing and mitigating the impact of MIP in India. ..