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History of Peptide Drug Conjugates

The evolution of peptide-drug conjugates from early concepts to approved therapies.

By Encyclopeptide Editorial | 1 min read
conjugates adc oncology history

Overview

Peptide-drug conjugates (PDCs) combine the targeting specificity of peptides with the cytotoxic power of chemotherapeutic agents.

Key Developments

  • 1990s: Concept of targeted drug delivery
  • 2000s: First PDC clinical candidates
  • 2010s: Bicycle toxin conjugates enter trials
  • 2020s: Multiple PDCs in late-stage development

Advantages Over ADCs

  • Smaller size enables better tumor penetration
  • Faster clearance reduces systemic toxicity
  • Simpler manufacturing
  • Lower immunogenicity potential

Current Pipeline

BT1718, BT5528, and other Bicycle toxin conjugates are in clinical development for solid tumors.

References

  • Source: ENCP Peptide Database
  • Category: Peptide History

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