November 21st 2024
The companies will collaborate to create and test circVec DNA–LNP formulations for use in potential therapeutic applications.
Polymers for Controlled Release Formulation Follows FunctionMaribel Rios
June 2nd 2005Once considered mainly an afterthought in a company's lifecycle-management strategy, controlled-release dosage forms are now positioned at the forefront of many formulation strategies. In contrast to drug discovery, formulation work focuses not only on the intricacies of the active pharmaceutical ingredient (API), but also on fine-tuning the excipients, the release profile, and the delivery mechanism to provide optimal therapeutic benefit. Because of their wide range of applications and functionalities, especially in controlled-release therapies, polymers are among the most widely used excipients.
Use of a Modified Twin-Screw Extruder to Develop a High-Strength Tablet Dosage Form
June 2nd 2005Wet granulation is a size-enlargement process in which a liquid is used to achieve the agglomeration of solid particles. Agglomeration improves particles' tableting properties by rendering them free-flowing, nonsegregating, and suitable for compression (1).
New Vaccine Technologies Carry and Deliver by Kaylynn Chiarello
May 2nd 2005Vaccine developers are using novel drug delivery methods that offer advantages over traditional techniques such as improved immunogenicity, better stability, specific control over antigen release, and a wider pool of targeted diseases.
X-ray Microtomography of Solid Dosage Forms
April 2nd 2005X-ray microtomography has great potential for improving the understanding of the structural features of solid dosage forms and the changes in those features during manufacturing, handling, and storage.This article describes the basic principles of the technique and provides examples of its potential applications.
Importance of Background Microbial Levels in the Manufacture and Testing of Sterile Products
April 2nd 2005The sterility testing of samples from an aseptic process may be considered an entirely separate aseptic process that is subject to the same types of adventitious contamination as the aseptic process itself.
X-ray Microtomography of Solid Dosage Forms
April 1st 2005X-ray microtomography has great potential for improving the understanding of the structural features of solid dosage forms and the changes in those features during manufacturing, handling, and storage. This article describes the basic principles of the technique and provides examples of its potential applications.
Establishing Target Fills for Semisolid and Liquid Dosage Forms
April 1st 2005To meet the requirements of the USP ?755? Minimum Fill and ?698? Deliverable Volume tests, target fill levels greater than 100% must be established. This article proposes a criterion for establishing an appropriate target fill level such that a sample will have a 95% probability of passing these USP tests at 95% confidence.
Appraisal of the Laser Diffraction Particle-Sizing Technique
March 2nd 2005Some published articles purport to demonstrate the difficulties and problems of the laser diffraction technique without mentioning that these apparent problems are inherent in all particle-sizing techniques. This article discusses some of the advantages of using laser diffraction for particle sizing-including repeatability, ease of verification, and speed of measurement-and why it has become the preferred technique in a range of industries.
Using Extrusion-Spheronization to Develop Controlled-Release Formulations of Azithromycin
February 2nd 2005Extrusion-spheronization and pellet compression are effective means of developing first-order kinetic, controlled-release drug delivery systems of azithromycin (AZI). The authors prepared, evaluated, and optimized AZI formulations and assessed the stability of the selected formulation under accelerated storage conditions.