Impurity profiling of the most frequently encountered falsified polypeptide drugs on the Belgian market

Talanta
Steven JanvierEric Deconinck

Abstract

Advances in biotechnology and the chemical synthesis of peptides have made biopharmaceuticals and synthetic peptide drugs viable pharmaceutical compounds today and an important source for tomorrow's drugs and therapies. Unfortunately, also falsifications and counterfeit versions of these powerful and promising drugs are offered illegally via the internet. Since these falsified preparations are produced outside the legally required quality systems, end-users have no guarantee regarding the efficacy and safety of these products. Although falsified samples of biotherapeutics were already analysed, looking at a specific aspect of their quality or identity, no systematic studies have been performed regarding the presence of different impurities or possible contaminations. Therefore, in order to obtain a better understanding of the potential health risks related to the usage of falsified polypeptide drugs we performed a systematic screening of the ten most frequently encountered falsified peptide drugs on the Belgian market acquired from three different suspected illegal internet pharmacies. The screening incorporated the analysis of the active pharmaceutical ingredient (API), API-related impurities, small molecule contaminants (defi...Continue Reading

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