March 12th 2025
Rivaroxaban, long known under the brand name Xarelto, is an anticoagulant, a classification that is among the most-prescribed medications in the United States.
February 17th 2025
The Future of Metered-Dose Inhalers
September 1st 2005IAdvances in pressurized metered-dose inhalers (pMDIs) in terms of formulation capability and the performance of the container closure system enable products to be developed faster and with less technical risk. Despite new delivery devices for new molecules breaking into the pMDI market, pMDIs have the ability to gain regulatory approval significantly faster than a novel device, which could save a company many hundreds of millions of pounds.
The Role of Reverse Engineering in the Development of Generic Formulations
August 2nd 2005Being the first to gain the most is a fundamental principle in the generics business because several companies compete to create generics of successful products going off patent. For a generics company to maintain revenue growth in a market in which product prices continue to fall, it must secure a continuous flow of new products, with quality and speed to market being key drivers. Thus, generics companies must be highly skilled in product and process development (1), the generics business, and achieving bioequivalence-the most critical development area.
Outsourcing Reformulation and Lifecycle Management: The Expanding role of CROs
August 1st 2005By forming strategic collaborative partnerships with contract research organizations, pharmaceutical companies can take advantage of several strategies for accelerating drug development, maximizing profitability, and extending patent exclusivity.
Carrageenans: Analysis of Tablet Formation and Properties
August 1st 2005The aim of this study was to analyse the process of tablet formation and the properties of the final tablets for six different carrageenans. The carrageenans used were based on the basic types of ?-, ?- and ?-carrageenan. Microcrystalline cellulose was used for comparison. Determination of material properties, compression analysis and tablet properties were described. Water content, particle size and morphology, glass transition temperature, and crystallinity were studied. The results show that the carrageenans are predominantly amorphous fibres, which are in the rubbery state during tabletting.
Current Thoughts on Critical Process Parameters and API Synthesis
July 2nd 2005A stepwise, process risk-assessment approach can facilitate the identification and understanding of critical process parameters, quality attributes, and in-process controls. This approach can lead to more use of science- and risk-based regulatory practices to simplify the regulatory requirements for changes to synthetic processes and to support the underlying quality systems that ensure compliance.
Bioseparations Look Ahead to the Past
July 2nd 2005Can macromolecular processes learn from small-molecule experience? Burdened by exploding bioreactor productivity, architects of downstream bioseparation technology are looking into the drug industry's past for inspiration, while small-molecule companies adopt techniques pioneered by biotechnology. (The first of three articles on the current state of separations.)
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).
Excipient-Excipient Interactions in Pharmaceutical Systems Intended for Topical Application
June 1st 2005Bioadhesive films cast from aqueous blends of PMVE/MA have diverse uses, such as a means of establishing an electrically conducting interface for bioelectrodes and as an adhesive drug delivery matrix.
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.