Ingredients

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The US Food and Drug Administration has denied shipments of active pharmaceutical ingredients manufactured at a production facility of Kunshan Chemical and Pharmaceutical Co. for violation of good manufacturing practices, according to an FDA warning letter issued Sept. 6, 2007.

Appendix: definitions and regulations, Federal Food, Drug, and Cosmetic Act; Appendix: definitions and regulations, Title 21 Code of Federal Regulations; Appendix: definitions and regulations, Compliance Policy Guides

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Testing Inhalers

This article investigates how the industry can test inhalers in a way that is most representative of typical use.

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A new Raman spectroscopic method to detect magnesium stearate in powder blends and tablets is described. High-volume pharmaceutical manufacturing requires the use of lubricants to facilitate tablet ejection from compressing machines. However, lubricants may also bring a number of undesired problems that have been widely documented in pharmaceutical scientific literature. New analytical methods are needed to understand lubrication and provide process knowledge in support of FDA's process analytical technology initiative. The detection of magnesium stearate in lactose, mannitol, corn starch and other commercially important excipients is reported. The Raman spectroscopic method has a detection limit of about 0.1% (w/w) based on the 2848 cm-1 band that corresponds to the symmetric stretch of the methylene group in magnesium stearate.

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The authors evaluate the scalability of foam-granulation technology using continuous foam addition in high-shear granulation equipment at the laboratory, pilot and manufacturing scales. Immediate- and controlled-release model formulations were used. Continuous and batch addition of foam were compared for the controlled-release model formulation at the manufacturing scale, and physical testing was performed on the granules and finished tablets.

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As China emerges as a significant supplier of pharmaceutical ingredients, it must assure other countries of the safety of its excipients.

The financial performance of the pharmaceutical majors was generally favorable through the first half of 2007, with most companies reporting moderate to double-digit growth. Industry leader Pfizer, however, reported a sales decline for the second quarter and flat revenues through the first half of 2007. Pfizer Chairman and CEO Jeffrey Kindler says the company remains committed to its plans for cost-cutting, more outsourcing, and increasing its position in biologics.

Although North America accounts for the largest share of the pharmaceutical market, Brazil, China, India, Indonesia, Mexico, Russia, and Turkey are projected to account for almost one-fifth of the global market by 2020. The rising participation in select countries' drug-development activities is evident by recent investment and outsourcing by the pharmaceutical majors.