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Theragnostic 64Cu/67Cu Radioisotopes Production With RFT-30 Cyclotron.

Jun Young Lee1, Jung Ho Chae1, Min Goo Hur1

  • 1Accelerator and Radioisotope Development Team, Korea Atomic Energy Research Institute, Daejeon, South Korea.

Frontiers in Medicine
|June 6, 2022
PubMed
Summary
This summary is machine-generated.

Optimized production of theranostic copper isotopes, 64Cu (for PET diagnosis) and 67Cu (for cancer therapy), was achieved using a 30 MeV cyclotron. Both isotopes demonstrate high radionuclidic purity (>99.9%) for nuclear medicine applications.

Keywords:
Copper-64Copper-67cyclotronpair-radioisotoperadioisotope

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Area of Science:

  • Nuclear Medicine
  • Radiochemistry
  • Cyclotron Production

Background:

  • Copper-64 (64Cu) and Copper-67 (67Cu) are theranostic radionuclides with significant potential in nuclear medicine.
  • 64Cu serves as a positron emission tomography (PET) nuclide for non-invasive diagnosis, while 67Cu is a beta-emitter utilized for cancer therapy.

Purpose of the Study:

  • To optimize the production of the theranostic copper radioisotope pair (64Cu and 67Cu).
  • To establish efficient production routes and quality control measures for these isotopes using a 30 MeV cyclotron.

Main Methods:

  • Investigated production routes via nuclear reactions: 64Ni(p,n)64Cu and 70Zn(p,α)67Cu.
  • Optimized target preparation, chemical separation processes, and quality control protocols.
  • Utilized a 30 MeV cyclotron for radionuclide synthesis.

Main Results:

  • Achieved high radionuclidic purity for both 64Cu and 67Cu, exceeding 99.9%.
  • Determined end-of-bombardment (EOB) yields: 28.5 MBq/μAh for 64Cu and 0.58 MBq/μAh for 67Cu.
  • Established optimized conditions for targetry, separation, and quality assurance.

Conclusions:

  • The study successfully optimized the cyclotron-based production of 64Cu and 67Cu.
  • The optimized methods yield high-purity theranostic copper isotopes suitable for clinical applications in nuclear medicine.
  • Efficient production pathways are crucial for advancing theranostic applications in cancer diagnosis and treatment.