Epistem is a provider of research services for the drug discovery and development sector. It offers sequencing, quantitative polymerase chain reaction and microarray analysis, disease and pathway panels, bioinformatics, histology and immunohistochemistry, and plucked hair biomarker platform services. The company focuses on oncology, gastrointestinal toxicity and mucositis, organoids, inflammatory bowel disease, dermatology, immune cell assays, and biodefense.