GLP Pharmaceutical Sci&Tech

The challenges and solutions of testing peptide drugs in Ames assay

The Ames assay (OECD 471) is the standard first step for genotoxicity screening. However, testing a peptide drug in an Ames assay is technically challenging because the assay was originally designed for small, stable, non-nutritional chemicals. When...
Pharmaceutical Sci&Tech

The comparison of the two FDA approved aptamers

The two FDA-approved aptamer drugs, Macugen (pegaptanib) and Avacincaptad Pegol (ZIMURGA), represent two distinct generations in pharmaceutical history. Macugen, approved in 2004, was the pioneer—the first aptamer to market—but ultimately lost its dominance in the Wet AMD market to more...