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Small-Scale GMP Production Prioritizing Human Safety

Bigger is not always better. For traditional biologics, cell and gene therapy (CGT), medical devices, and in vitro diagnostics, small-scale GMP production of 1 to 200 L delivers compliant, cost-effective solutions for early-stage success. WuXi Biologics experts ensure high-quality development and manufacturing, advancing human-safe proteins and complex conjugates from discovery to clinical trials.

Small Scale, Big Quality

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Why WuXi Biologics?

Accelerated Timelines with WuXian Express™

Achieve rapid production of high-yield stable pools with titers exceeding 2 mg/mL using the WuXian Express technology platform, enabling delivery of purified proteins within 4 to –7 weeks from gene synthesis.

Broad Modality Support for Diverse Applications

Leverage WuXi Biologics’ expertise in producing diverse protein formats, including monoclonal antibodies (mAbs), bispecific antibodies (BsAbs), Fc-fusion proteins, and antibody fragments.

Global Regulatory Compliance and Quality Assurance

Operate within GMP-certified facilities that adhere to stringent regulatory requirements across multiple regions, including the US, Europe, China, and Australia.

Traditional Biologics: Cost-Effective GMP Production for Niche Applications

Small-scale GMP protein production offers a streamlined, cost-efficient alternative to large-scale manufacturing that is ideal for early-stage programs and niche applications. WuXi Biologics provides end-to-end support, including development, manufacturing, conjugation, release, and regulatory filings, ensuring rapid, seamless progression through Phase 0, Investigator-Initiated Trial (IIT), and IND while maximizing cost savings and quality.

Cell and Gene Therapy: High-Quality Ancillary Materials for Development

CGT requires precise, GMP-grade ancillary materials to meet stringent safety, efficacy, and regulatory standards. With extensive experience producing diverse proteins, WuXi Biologics offers customized production of antibodies, conjugates, Fab fragments, variable heavy-chain domain of heavy-chain antibodies (VHH) antibodies, and more, supporting development, manufacturing, conjugation, release, and Drug Master File (DMF) filings. From IIT and IND to clinical and commercial production, we balance quality and scalability with affordability.

Medical Devices and In Vivo Diagnostics: Precise Proteins for Advanced Applications

GMP-grade proteins play a critical role in medical devices and in vivo diagnostics, ensuring accuracy, reliability, and patient safety. WuXi Biologics provides custom proteins for applications such as blood purification and PET scanning, with expertise spanning development, manufacturing, conjugation, release, and DMF support. We help IIT, IND, clinical, and commercial programs meet strict regulatory standards while optimizing efficiency.

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WuXian Express™ supports high-yield, small-scale GMP production across a diverse range of protein formats.

WuXi Biologics supports a wide range of proteins.

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Frequently Asked Questions

WuXi Biologics offers GMP-grade protein production ranging from 1 to 200 L, with common scales including 1 to 50, 100, and 200 L batches, providing flexibility to meet various project needs.

Our expertise encompasses a wide range of protein formats, including:


  • mAbs
  • BsAbs
  • Fc-fusion proteins
  • Single-chain variable fragments
  • Variable heavy chain domains
  • Other complex or novel constructs

This versatility allows us to tailor production to suit specific therapeutic and diagnostic applications.

The full timeline—from DNA to protein production and final product release—ranges from 3 to 9 months, depending on molecular complexity. Central to this process is our exclusive WuXian Express™ technology platform, which produces GMP-grade proteins in only 4 to 7 weeks.

Yes, our GMP-certified facilities adhere to stringent regulatory requirements across multiple regions, including:


  • United States
  • Europe
  • China
  • Australia

Every production step is meticulously controlled and documented to ensure compliance and quality.