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Challenges in Preparation of Albumin Nanoparticle-Based Radiopharmaceuticals
1School of Biomedical Engineering and Imaging Sciences, King's College London, London WC2R 2LS, UK.
Molecules (Basel, Switzerland)
|December 11, 2022
Summary
Albumin nanocolloids are established radiopharmaceuticals for sentinel lymph node detection. Recent advancements include dual-modal agents and novel radiolabels, enhancing diagnostic and therapeutic potential for solid tumors.
Area of Science:
- Nuclear medicine
- Nanotechnology
- Oncology
Background:
- Albumin nanocolloids have been utilized as radiopharmaceuticals for over 40 years.
- Their primary application is in lymphoscintigraphy for sentinel lymph node (SLN) detection in solid tumor treatment.
Purpose of the Study:
- To review the current status and future potential of albumin nanocolloids in medical imaging.
- To explore advancements in radiolabeling and dual-modal imaging agents for improved SLN localization.
Main Methods:
- Review of existing literature on albumin nanocolloid applications.
- Analysis of radiolabeled and fluorescently tagged agents for SLN detection.
- Discussion of emerging technologies and targeting strategies.
Main Results:
- Technetium-99m labeled nanocolloids are the standard, with emerging gallium-68 and zirconium-89 labeled analogues.
- Dual-modal agents combining radioactive and fluorescent labels (e.g., indocyanine green) are under development for enhanced SLN localization.
- Targeting strategies offer potential for developing novel diagnostic and therapeutic agents.
Conclusions:
- Albumin nanocolloids remain crucial in nuclear medicine for SLN detection.
- Continued investment in novel radiolabels and fluorescent tags is necessary for further development.
- Targeted albumin nanocolloids hold significant promise for future diagnostic and therapeutic applications in oncology.
