Analytical Methods for the Detection and Quantification of ADCs in Biological Matrices

Area of Science:

• Pharmacology
• Bioanalytical Chemistry
• Drug Development

Background:

• Antibody-drug conjugates (ADCs) combine large and small molecule properties, complicating in vivo analysis.
• Assessing ADC pharmacokinetics and biodistribution is vital for successful drug development and optimization.
• Key parameters include half-life, drug release, and tissue accumulation, impacting efficacy and safety.

Purpose of the Study:

• To review strategies for quantifying and characterizing ADCs in biological matrices.
• To discuss the technical challenges and limitations associated with current bioanalytical methods for ADCs.

Main Methods:

• Focus on bioanalytical strategies to assess ADC behavior in vivo.
• Methods are employed to determine construct stability, drug release, and tissue distribution.
• Analysis of both the antibody and drug components is essential.

Main Results:

• Multiple bioanalytical methods are required due to the complex nature of ADCs.
• These methods provide insights into critical pharmacokinetic and biodistribution parameters.
• Challenges and limitations in current methodologies are highlighted.

Conclusions:

• Effective bioanalytical strategies are essential for ADC development.
• Addressing technical challenges will improve the characterization of ADCs.
• Further advancements in methods are needed to fully understand ADC fate and function.