November 3, 2006
By:Patricia Van Arnum
ePT--the Electronic Newsletter of Pharmaceutical Technology
AAPS, San Antonio (Oct. 31)-Excipient manufacturers are raising concerns over recently adopted European guidelines, set to become effective January 1, 2007, which provide a framework and approach for dealing with genotoxic impurities in new active substances.
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October 1, 2006
By:James Taylor
Pharmaceutical Technology
Facing cost pressures and regulatory changes, pharmaceutical companies address the need for increased functionality by looking to excipients.
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October 1, 2006
By:Ashish A. Joshi, PhD, Sergio Neves
Pharmaceutical Technology
Formulations containing a novel soluble dextrin fiber have been shown to exhibit several advantages in processibility and clinical response over those containing existing fibers.
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October 1, 2006
By:R. Christian Moreton
Pharmaceutical Technology
This article provides an overview of functionality, functionality-related characteristics, and excipients performance.
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October 1, 2006
By:Anisul Quadir, Karl Kolter
Pharmaceutical Technology
Evaluating disintegrant properties and consistency in performance is an essential part of tablet formulation.
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September 2, 2006
By:Gregory Larner, David R. Schoneker, Catherine Sheehan, Rajendra Uppoor, Phyllis Walsh, Robert Wiens
Pharmaceutical Technology
The Product Quality Research Institute (PQRI) conducted an open, publicly available, electronic survey of current excipient-control strategies among pharmaceutical excipient manufacturers, excipient distributors, and drug-product manufacturers (excipient users). Among the major findings are:
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May 2, 2007
By:Dorothy Chang, Rong-Kun Chang
Pharmaceutical Technology
Excipients facilitate formulation design and perform a wide range of functions to obtain desired properties for the finished drug product. The article reviews excipient development and functionality of these materials, including their importance in formulation design, potential processing challenges directly related to excipients, and therapeutic benefits.
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April 2, 2007
By:Sulekha Bhadra, Dipankar Bhadra, Govind Prasad Agrawal
Pharmaceutical Technology
Hydrogels are biocompatible drug delivery systems by which the physical properties can be controlled by the cross-linking density. Hydrogels were prepared by copolymerization of acrylic acid monomers in the presence of poly(ethylene glycol)(PEG) to form polyethylene diacrylate (PEDGA). Various molecular weights of PEGs were used for the synthesis of PEGDA to study the effect of molecular weight of PEG on the properties of hydrogels. These hydrogels were further characterized for free water, swelling behavior, water diffusion, drug loading, and drug release profile. By analyzing the swelling behavior and release pattern of the hydrogels, the authors show that these systems can be suitably used for controlled delivery of drugs.
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March 30, 2007
By:Patricia Van Arnum
ePT--the Electronic Newsletter of Pharmaceutical Technology
Midland, MI (Mar. 21)-The Dow Chemical Company formed an alliance with Colorcon, Inc. for the global marketing, sales, technical service and development, and distribution of Dow pharmaceutical excipient products for use in controlled-release applications.
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