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Published on: March 8, 2018
Advancements in Dual-Load Antibody-Drug Conjugates and Challenges with Quality Analysis
Xiaojuan Yu1, Xiao Ke2, Yao Tang3
1National Institutes for Food and Drug Control, NHC Key Laboratory of Research on Quality and Standardization of Biotech Products, NMPA Key Laboratory for Quality Research and Evaluation of Biological Products, State Key Laboratory of Drug Regulatory Science, Beijing 102629, China.
Dual-payload antibody-drug conjugates (DP-ADCs) offer enhanced cancer therapy by overcoming resistance and heterogeneity. This review highlights DP-ADC quality control challenges and analytical strategies for clinical translation.
Area of Science:
- Oncology
- Biotechnology
- Pharmaceutical Sciences
Background:
- Antibody-drug conjugates (ADCs) are key in precision cancer therapy.
- Traditional ADCs face limitations due to tumor resistance, heterogeneity, and target competition.
- Dual-payload ADCs (DP-ADCs) offer a promising solution with dual mechanisms of action.
Purpose of the Study:
- To review payload selection and conjugation strategies for DP-ADCs.
- To examine advances in quality control research for DP-ADCs.
- To provide guidance for DP-ADC quality control to aid clinical translation.
Main Methods:
- Analysis of current payload selection and conjugation strategies.
- Review of recent quality control research for DP-ADCs.
- Examination of analytical challenges in DP-ADC characterization.
Main Results:
- DP-ADCs present significant quality control challenges due to their complex structure.
- Key analytical challenges include quantifying free toxins, determining antibody content, and characterizing drug-to-antibody ratio.
- Advances in quality control are crucial for DP-ADC development.
Conclusions:
- DP-ADCs show potential to overcome limitations of traditional ADCs.
- Robust quality control methods are essential for the clinical success of DP-ADCs.
- This review offers guidance for future DP-ADC quality control analyses.
