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The global preclinical
testing experts

Advance your molecule further, faster with WuXi AppTec Laboratory Testing Division. Comprehensive preclinical studies delivered by a hands-on, global team of experts in the U.S. and China. The precise assays, benchmarking insight, and immediate availability you need start right here.

NDA-Enabling Testing by WuXi AppTec Lab Testing Division

Testing Employees Globally in the U.S. & China

in vitro Studies
Per Year

in vivo Studies
Per Year

Validated Methods
for Bioanalysis

Successful IND
Filings

Global NDA
Packages Completed

Why work with
WuXi AppTec


We’re built for drug developers that need timely, strategic preclinical testing. Here’s how we make it possible.

We’re always ready.
Scalable end-to-end support.

We leverage advanced automated technology, extensive drug development expertise, and a million‑square‑foot, GLP/21 CFR Part 11‑validated footprint to streamline drug discovery and development timelines

We find the safest path. Project management & regulatory support.

We work as your extended development team, keeping you in front of emerging guidance, identifying viable pathways, and accelerating your program.

We declutter development.
The right assays, the right data.

Effective preclinical studies help sharpen and refine, without wasting time. No matter what stage you’re at, we help you identify what you need to get to the next one.

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Small Molecules

Refine safety and efficacy for promising small molecule candidates. Explore our experience and capabilities.

Solutions for every compound type


From routine testing to custom-designed studies, our integrated solutions meet the needs of small molecules, biologics, and novel compounds.

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Large Molecules

Next-generation biotherapies demand a next-generation testing program. Discover world-class expertise and agility.

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New Modalities

Find purpose-built solutions for PROTAC, oligonucleotides, ADCs, peptides, CAR-T, mRNA, and more.

Drug development studies for
every new development

 

Our services cover every testing need of drug development from early ADME to Safety Assessments with expert bioanalytical support and from IND and NDA-enabling packages. Whether you need an end-to-end testing partner or a single, specific assay, we’re here to keep you moving.

DMPK Services

Comprehensive in vitro and in vivo ADME solutions from high-throughput screening in discovery through drug development phases.

Safety Assessment Services

Our skilled team of toxicologists provide comprehensive safety assessments across a wide range of species and through various routes of administration.

Let’s talk about your testing needs

Need specific assays? Curious about options? Request a quote or talk to one of our experts.