Bioanalytical methods are used to quantitatively determine the concentration of drugs, biotransformation products or other specified substances in biological matrices and are often used to provide critical data to pharmacokinetic or bioequivalence studies in support of regulatory submissions. In order to ensure that bioanalytical methods are capable of generating reliable, reproducible data that meet or exceed current regulatory guidance, they are subjected to a rigorous method validation process. At present, regulatory guidance does not necessarily account for nuances specific to trace element determinations. This paper is intended to provide the reader with guidance related to trace element bioanalytical method validation from the authors' perspective for two prevalent and powerful instrumental techniques: inductively coupled plasma-optical emission spectrometry and inductively coupled plasma-MS.
The 10th Annual Bioassays and Bioanalytical Method Development Conference was hosted in Boston, MA, USA on 20-22 October 2014. This meeting brought together scientists from the biopharmaceutical and life sciences industries, the regulatory agency and academia to share and discuss current trends in cell-based assays and bioanalysis, challenges and ideas for the future of the bioassays and bioanalytical method development. The experiences associated with new and innovative technologies were evaluated as well as their impact on the current bioassays methodologies and bioanalysis workflow, including quality, feasibility, outsourcing strategies and challenges, productivity and compliance. Several presentations were also provided by members of the US FDA, sharing both scientific and regulatory paradigms including a most recent update on the position of the FDA with specific aspects of the draft Bioanalytical Method Validation guidance following its review of the industry's responses. The meeting was jointly coincided with the 15th Annual Immunogenicity for Biotherapeutics meeting, allowing for attendees to also familiarize themselves with new and emerging approaches to overcome the effect of immunogenicity, in addition to investigative strategies.
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