Charles River has more personnel, equipment and space dedicated to pathology than any other contract research organization or preclinical product development company in North America. Our team of board-certified pathologists, combined with our multidisciplinary expertise, state-of-the-art technology and depth of experience with large and small molecules and devices, enables us to offer a wide array of integrated anatomic and clinical pathology services with the flexibility and timeliness our clients need.

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Clinical Pathology

We offer a complete range of clinical pathology laboratory services to support animal models, discovery, preclinical studies and/or clinical trials.

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Molecular Pathology

We offer molecular pathology services that include in situ hybridization (ISH), real-time PCR (rt-PCR) and quantitative PCR (qPCR).

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Discovery Pathology

We offer extensive resources dedicated to pathology support for your drug discovery activities.


Standard for Exchange of Nonclinical Data

We completed the validation of the SEND Suite to produce SEND data for studies conducted using our global data capture system.