Analytics

Missed or late calibration dates can accumulate, and even if the equipment is labelled appropriately, it can suggest poor management of resources and priorities.

There have been significant advances, especially in understanding the role of carrier properties on the aerosol performance of the API.

When a dosage form or an API is introduced to the gastrointestinal tract, or dissolution media mimicking it, a transformation from a metastable to a more stable form with lower solubility and bioavailability is possible.

Agawam, MA (Mar. 26)-Contract manufacturing and testing laboratory Microtest signed a manufacturing deal with Antisoma to produce AS1411, a new drug being developed for the treatment of various cancers.

Implementing process analytical technology principles can be a challenging task. This article presents a straightforward approach.

As technology for impurity analysis improves, scientists are gaining better information and asking for more regulatory guidance.

The role of micro-biological testing in real-time release is too important to ignore.

The objectives of this study were to prepare and characterize inclusion complexes of lovastatin with hydroxypropyl-β-cyclodextrin (HPβ-CD) and to study the effect of the complexes on the dissolution rate of lovastatin (LVS). The findings suggest that LVS's poor dissolution profile can be overcome by preparing its inclusion complex with HPβ-CD.

For solid oral-dosage forms, water testing usually is performed to control the chemical, physical, or microbiological properties of the drug product. Measurements of total water as made with Karl Fischer (KF) techniques is not needed and water-activity often will provide a better correlation with changes in chemical, physical, or microbiological properties than KF techniques. In these cases, water activity testing can easily replace KF testing. Water-activity measurements are nondestructive, require little labor, and the equipment required is generally inexpensive. Only a few simple checks are needed to ensure the validity of measurements. Strategies for implementing water activity testing are described.

Raman spectroscopy has become a commonly used technique for physicochemical analysis that possesses many advantages over other analytical techniques. It is a very attractive characterization tool, not least because it enables measurements in water. However, very few examples of its application in an aqueous environment exist in literature. This paper provides some recent applications of Raman spectroscopy in pharmaceutical material and process characterization when water is present.

Terpenes are widely used in topical preparations. This paper focuses on the skin penetration of terpenes depending on their physicochemical properties and influence of the type of dermatological vehicle that was used. The structure of human skin and the skin penetration process is also briefly described.

Nanoparticulate drug carriers include a class of particles made of polymers or lipids that - because of their size and chemical composition -permit systemic and local treatment.

In recent years, AI has become important in a number of fields in helping to make better use of information, increasing efficiency and enhancing productivity.

Symposium held at 2006 AAPS Annual Meeting in San Antonio

The US Food and Drug Administration has modified its requirements for drug pedigrees accompanying wholesale pharmaceutical transactions, following a US District Court preliminary injunction barring the agency from enforcing certain provisions of the rule that was to have gone into effect on Dec. 1.

The US Pharmacopeia (USP), the Japanese Pharmacopoeia, and the European Pharmacopoeia "Microbial Limits Tests" are in the final stages of harmonization. The harmonized USP chapters are slated for implementation in 2009. This article describes the harmonized USP Chapters <61> "Microbial Enumeration," <62> "Absence of Specified Microorganisms," and <1111> "Microbiological Attributes of Nonsterile Pharmaceutical Products," and suggests they will likely require some revalidation of existing methodologies. Companies should put plans in place immediately for this work and show consistent progress towards this goal.

We really knew what we were doing-until we opened the column for a routine repacking.

The needle and syringe have long been the standard delivery technology for vaccines. However, a confluence of market factors is driving new interest in alternative delivery systems that hold the potential to meet one or more of the following goals: improved antigen utilization, higher quality immune response, better stability and improved patient acceptance. Of particular interest are microneedle systems, otherwise referred to as microstuctured transdermal systems (MTS), that provide for targeted delivery of the vaccine formulation directly to antigen-presenting cells within the epidermis. This article provides a brief overview of MTS technology with an emphasis on solid-coated MTS for vaccine delivery.

EFPIA's 'Mock P.2' document aims to show how the role of 'quality risk management' and process analytical technology as an enabler for quality by design can be presented in a common technical document format. This article summarizes the main features of this document, and explains the key concepts and principles used.

London (Nov. 22)-The European Medicines Agency reports a defect in some vials of Herceptin (trastuzumab), the anticancer treatment by Roche, which have been distributed in Europe. As a result, The EMEA's Committee for Medicinal Products for Human Use outlined a plan, formulated in conjunction with Roche, for the visually reinspecting and replacing defective vials.

Argonne, IL (Nov. 9)-Researchers from Argonne National Laboratory?s Chemistry Division and Xradia have developed a novel X-ray microscopy technique that allows molecular observations of the reactivity of solid surfaces at the nanometer scale, including interfacial reactions such as ion adsorption and catalytic reactions.

Celsis deploys ATP bioluminescence to accelerate microbial detection in pharmaceutical manufacturing.

Over-the-counter drug maker Perrigo Company issued a voluntary recall of certain lots of store-brand acetaminophen 500-mg caplets that could contain trace amounts of metal particulate. Approximately 11 million bottles of acetaminophen are affected by the recall.

Mystic, CT (Oct. 26)-Kenneth G. Chapman died at his home here on Oct. 26. He was 79. The cause was pancreatic cancer

AAPS, San Antonio (Oct. 31-The advantages of ultra-performance liquid chromatography over traditional high-performance liquid chromatographic were the center of the presentation, ?Strategies for Rapid Chromatographic Method Development from Preclinical to Phase 3,? by Charanjeet Jassal of Wyeth Pharmaceuticals.

AAPS, San Antonio (Oct. 31)-Industry and regulatory agency concerns over process variability have prompted both groups to take a closer look at analytical method transfer processes.

AAPS, San Antonio (Oct. 30)-Although the analysis of impurities in drug substances and drug products is not a new topic, new regulations are increasing concern in the industry.

San Antonio, TX (Nov. 1)-Though the US Food and Drug Administration's final guidance on process analytical technology (PAT) was published in Sept. 2004, companies are still unsure about how exactly to implement PAT in their processes.

Outliers may provide useful information about the development and manufacturing process. Analysts use various statistical methods to evaluate outliers and to reduce their impact on the analysis. This article describes some of the more commonly used identification methods.

Quality by design and PAT approaches are increasingly being used for the biotech manufacturing of medicines. Complex manufacturing processes can not only be controlled using PAT principles, but optimized with respect to both product quality and economic value. This column describes how the fermentation process is often the first to benefit from this type of implementation.