Pacific Bioanalytical Solutions Pacific Bioanalytical Solution (PBS)  accelerates development of small molecule, large molecule, and protein therapeutics by providing customized Bioanalytical and Analytical support to biopharma companies. PBS specializes in virtual and start-up companies, but also provides support to established companies. PBS develops and/or validates GLP Pharmacokinetic (PK), Pharmacodynamic (PD), Immunogenicity, and Biomarker assays to support preclincial toxicology and clinical evaluation of therapeutics. On the CMC side of drug discovery, PBS develops, validates, and transfers assays to support drug manufacture and characterization. These include cGMP bioassays for potency testing and quality assays to assess purity of drug product. PBS' services also include FDA inspections, manufacture site audits, CRO assessment, and regulatory filings.