The Evolving Landscape of Potency Assays

Area of Science:

• Biotechnology and Regenerative Medicine
• Cellular Therapy Development
• Assay Development and Validation

Background:

• Potency assays are critical for evaluating the biological activity of cell products.
• Current challenges include balancing assay comprehensiveness with simplicity and robustness.
• Advanced Therapeutic Medicinal Products (ATMPs) require reliable and cost-effective manufacturing and administration.

Purpose of the Study:

• To explore the "goldilocks" aspect of potency assays, balancing detailed evaluation with simplified approaches.
• To provide a forward-looking perspective on facilitating potency assay development for ATMPs.
• To address the need for trustworthy and cost-effective cell-based therapies.

Main Methods:

• Review of recent advances in potency assay development for acellular products.
• Exploration of techniques such as cryopreservation, induced mesenchymal stem cells (MSCs), and cell priming.
• Consideration of nanotechnology, 3D culture, regulatory guidelines, and evolving institutional roles.

Main Results:

• Identification of key quality attributes for biological activity measurement.
• Emphasis on lean approaches for assay robustness, reproducibility, and scalability.
• Discussion of how emerging technologies and regulatory frameworks can overcome current challenges.

Conclusions:

• A balanced approach is essential for effective potency assay development.
• Recent scientific and regulatory advances are poised to facilitate future potency assay development.
• The integration of new technologies and strategies will enable more reliable and cost-effective ATMPs.