MicroConstants is a GLP-compliant Contract Research Organization focused on performing regulated bioanalysis, drug metabolism and pharmacokinetic analysis in support of discovery, preclinical and clinical drug development studies. We specialize in method development, validation and sample analysis for small molecules, macromolecules, biomarkers and metabolites using LC/MS/MS, HPLC/UV, immunoassay, multiplex and qPCR techniques. MicroConstants also assembles and distributes protocol-specific specimen collection kits to streamline and simplify the PK collection process for single and multi-site clinical trials.