ADC quality control and release testing

The final stage of antibody-drug conjugate (ADC) development involves rigorous quality control and release testing to ensure that the product meets all regulatory requirements. This process includes comprehensive testing and validation of critical quality attributes such as potency, purity, and stability. High-quality reagents and standards are fundamental to the analytical methods used in the quality assurance phase, facilitating accurate verification of ADCs and ensuring they are safe and effective for patient use.

Find reagents for the ADC quality control and release testing stage.

• ADC metabolite and stress studies
• Analytical buffers for reproducible results
• Detergents for ADC analysis

ADC metabolite and stress studies

Forced degradation studies (ICH Q1A conditions: heat, light, oxidation, acid/base hydrolysis) identify ADC degradation pathways and validate stability-indicating analytical methods. Metabolite profiling of payload-derived breakdown products provides shelf-life data and informs toxicological risk assessment of identified degradants for regulatory submission. 

Analytical buffers for reproducible results

Phosphate and Tris buffers serve as mobile phases and diluents in SEC, HIC, and HPLC methods for ADC aggregation, purity, and DAR determination. Minor pH deviations shift analyte retention and affect reportable values, making precise buffer preparation essential for method ruggedness and inter-laboratory reproducibility.

Detergents for ADC analysis

SDS is used in SDS-PAGE and CE-SDS purity assays for antibody integrity verification in lot release testing. Mild zwitterionic (CHAPS) and non-ionic detergents support ELISA and HIC sample preparation without disrupting native binding activity. Careful detergent selection prevents artifactual aggregation that could compromise the accuracy of purity results.