LYCOS RETRIEVER 
Antibiotic: Drugs
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Unfortunately, antibiotic development is often on the pharmaceutical back burner. Reasons include the likelihood that bacteria will become resistant to any new antibiotic manufactured and the high R&D costs of developing a new antibiotic. (By one estimate, the cost of developing a new drug tops $800 million.). Additionally, new antibiotics tend to be considerably more expensive than existing ones, and ... contribute to ever rising healthcare costs.
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Arpida's fourth most advanced antibiotic programme, AR-709, targets upper and lower respiratory tract infections acquired in the community setting. AR-709 exhibited potent activity against a large panel of pneumococcal clinical isolates including those resistant to currently used drugs. Promising results of "first-in-man" studies with AR-709 were published in March 2007.
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The effectiveness and fairness of the residue monitoring and surveillance program hinges on the proper choice of the antibiotic screening test to be used and its proper application by the analyst. In order that the industry might meet the requirements to screen every bulk milk pickup tanker prior to its being processed, FDA has established training and certification procedures for industry analysts. As of July 19, 1994, all bulk milk tanker drug screening tests must be performed by either an Industry Supervisor, or an Industry Analyst. In order to understand these procedures, the following terms are defined:
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The company now ... joins the American Medical Association, the Infectious Diseases Society of America, and other health organizations in opposing the pending approval by the Food and Drug Administration of cefquinome, an antibiotic proposed for use in beef cattle. Widespread use of this antibiotic in cows would likely cause disease-causing bacteria to become resistant to antibiotics critical to human medicine. Even though the FDA's own advisory committee recommended against this approval six months ago, the agency has yet to make a decision.
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In the United States, antibiotic production is highly regulated by the Food and Drug Administration (FDA). Depending on the application and type of antibiotic, more or less testing must be completed. For example, the FDA requires that for certain antibiotics each batch must be checked by them for effectiveness and purity. Only after they have certified the batch can it be sold for general consumption.
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The large-scale production of an antibiotic depends on a fermentation process. During fermentation, large amounts of the antibiotic-producing organism are grown. During fermentation, the organisms produce the antibiotic material, which can then be isolated for use as a drug. For a new antibiotic to be economically feasible, manufacturers must be able to get a high yield of drug from the fermentation process, and be able to easily isolate it. Extensive research is usually required before a new antibiotic can be commercially scaled up.
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