Development of fibroblast activation protein-α radiopharmaceuticals: Recent advances and perspectives

Ziyue Yu1, Zeng Jiang1, Xuebo Cheng1

  • 1Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, 100069, China.

Insights

Fibroblast activation protein-α (FAP) radiopharmaceuticals show promise for cancer imaging and therapy. This review covers recent advances in FAP-targeted radioligands, their preclinical and clinical potential, and future development directions.

Area of Science:

  • Nuclear medicine
  • Radiopharmaceutical science
  • Oncology

Background:

  • Fibroblast activation protein-α (FAP) is highly expressed in cancer-associated fibroblasts (CAFs).
  • FAP is also implicated in fibrosis and inflammation, making it a versatile target.
  • Targeted radiopharmaceuticals offer precise diagnostic and therapeutic capabilities.

Purpose of the Study:

  • To review recent progress in developing FAP-specific radiopharmaceuticals.
  • To highlight novel radioligands and their preclinical/clinical evaluations.
  • To discuss challenges and future directions for FAP-targeted therapies.

Main Methods:

  • Literature review of FAP radiopharmaceutical development.
  • Analysis of preclinical data and clinical trial outcomes.
  • Discussion of FAP expression patterns in various diseases.

Main Results:

  • Several novel FAP-specific radioligands have been developed.
  • Promising preclinical results for imaging and therapy have been reported.
  • Early clinical investigations are underway, demonstrating feasibility.

Conclusions:

  • FAP-targeted radiopharmaceuticals represent a significant advancement in cancer diagnostics and therapy.
  • Further research is needed to overcome existing challenges and optimize clinical translation.
  • Key breakthrough directions include improved ligand design and combination therapies.