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Unlock Potency and Safety
Data for Any Biologic

Reliable Bioassay Development
Tailored to Your Needs

 

WuXi Biologics transforms molecular data into actionable insights to accelerate your biologic’s journey. Our tailored bioassay services & development solutions provide reliable potency and safety data across diverse modalities. With cutting-edge technology, regulatory alignment, and expert design, we deliver reliable results that empower your success.

 

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Speed Meets Quality


 

Case Study: Resolving MoA Challenges to Secure FDA Approval


When a client’s bioassay method failed to measure synergy and co-engagement interactions, they faced FDA challenges. WuXi Biologics stepped in with an advanced method that captured these interactions, enabling regulatory approval. By reflecting real-world biological responses at the plasma membrane, our bioassay delivered distinct, predictable dose-response curves that demonstrated drug efficacy and sensitivity across varying concentrations.  

 

This success story highlights our ability to resolve complex challenges and pass regulatory requirements.  

 

Learn how WuXi Biologics can help you overcome bioassay obstacles.

 

Connect with Our Experts Today

 

 

Comprehensive Expertise Across Modalities


WuXi Biologics offers unmatched bioassay services to support complex modalities, leveraging both mammalian and microbial production systems. From intricate structures to rapid mAb development, we empower success at every stage.

 

A Strategic Approach for Reliable Results


Our flexible, multifunctional assays reveal critical potency and safety insights, offering a clear understanding of in vivo responses and advancing product development.

  • Risk assessment and mitigation—Identify and reduce product quality risks.
  • Targeted controls—Design and select optimal controls for thorough testing.
  • Custom solution—Tailor testing to specific product characteristics for reliable results.
  • Impurity analysis—Detect and evaluate impurities to maintain product quality.
  • Cutting-edge techniques—Leverage advanced analytical methods for detailed product analysis.
  • Strategic planning—Propose bioassay strategies that meet current filing requirements while anticipating future late-phase needs, offering early method development options for seamless transition.
  • Lifecycle method management—Ensure consistent assay performance and reliable results.

 

Innovative Techniques for Clear Insights


Assay Purpose Description
Cell Assays
Anti-proliferation Growth inhibition Slows or halts cell growth to evaluate efficacy
Cytokine release Immune signal detection Tracks how the biologic influences immune signaling proteins
G protein-coupled receptor signaling Receptor response Evaluates interaction with cell surface receptors
Neutralization Target blocking Tests the biologic’s ability to block harmful substances
Immunoregulatory Immune balance assessment Determines the biologic’s effect on the immune response
Fc functional assay Antibody activation Assesses immune activation by the biologic
Cell signaling, apoptosis, and killing Communication and activation Observes cell messaging and programmed cell death
Engineering analytical cell line generation Analytical cell lines Develops custom cell lines target the MoA
Enzyme Activity Assays
Fluorescent substrate-based enzymatic assay Enzyme activity tracking Measures how the biologic impacts enzyme function
Cell uptake Absorption check Confirms the biologic reaches its target inside cells
Binding Assays
Dual-target binding ELISA and HTRF Two-target binding Validates binding to two targets simultaneously
Proprietary cell-based binding Custom binding analysis Measures binding strength and specificity
Surface plasmon resonance for target and Fc effector binding Real-time binding measurement Tracks and measures how quickly and firmly the biologic binds to a target or immune-related proteins
Octet Optical binding analysis Provides insights into binding dynamics
Flow cytometry Single-cell binding detection Analyzes binding patterns across cell types

 

 

Whatever your challenge, we’re here to solve it.  

 

Contact Us to Accelerate Your Bioassay Development

 

Bioassay Services FAQs

How do you ensure reliability and reproducibility in your bioassays?

  • Robust method validation tailored to product and phase
  • Strategic control design to ensure assay consistency
  • High-quality analytical cell line engineering
  • Standardized workflows for global reproducibility

Can your bioassay services be customized for complex modalities?

Yes. WuXi Biologics tailors its bioassay services to match each biologic’s mechanism of action, leveraging proprietary methods and advanced analytical platforms to ensure relevant, reliable results.

Why choose WuXi Biologics for bioassay development?

  • Deep scientific expertise across diverse biologic modalities
  • Regulatory-aligned strategies to streamline approval pathways
  • Advanced technologies for reliable, high-quality data
  • Proven track record of success from early development to commercial readiness

How do your bioassay services support regulatory submissions?

Our bioassay services follow ICH and USP guidelines and are designed to meet FDA, EMA, and NMPA expectations. We provide phase-appropriate method development and validation, including system suitability criteria, accuracy, precision, linearity, and specificity assessments. Our bioassay development teams also support comparability studies and stability testing, helping ensure your submission package is both robust and regulator-ready for IND, BLA, or MAA filings.

Related Resources


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    Tailored Solutions for Advanced Bioassay Development
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    Webinar Supplement: Answers for Advanced Analytical Strategies
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