Bioanalysis Zone

Recommendations for clinical biomarker specimen preservation and stability assessments



With the wide use of biomarkers to enable critical drug-development decisions, there is a growing concern from scientific community on the need for a ‘standardized process’ for ensuring biomarker specimen stability and hence, a strong desire to share best practices on preserving the integrity of biomarker specimens in clinical trials and the design of studies to evaluate analyte stability. By leveraging representative industry experience, we have attempted to provide an overview of critical aspects of biomarker specimen stability commonly encountered during clinical development, including: planning of clinical sample collection procedures, clinical site training, selection of sample preservation buffers, shipping logistics, fit-for-purpose stability assessments in the analytical laboratory and presentation of case studies covering widely utilized biomarker specimen types.

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