[68Ga]Ga-PSMA-093 (68Ga-P16-093):
- Structure: [68Ga]Ga-PSMA-093 is a second-generation PSMA ligand that is an analog of PSMA-11. It was designed to potentially improve upon the limitations of PSMA-11, such as better tumor uptake, improved pharmacokinetics, and enhanced sensitivity for imaging small metastases or early-stage prostate cancer.
- Target: Like PSMA-11, it targets PSMA (Prostate-Specific Membrane Antigen), but PSMA-093 may have a higher affinity or different binding properties, making it potentially more effective for certain applications.
- Pharmacokinetics: It might have improved tumor-to-background ratios or clearance rates, resulting in more precise imaging and fewer false positives or negatives, especially in low-exposure areas like lymph nodes or small distant metastases.
- Clinical Application: This agent could be used similarly to PSMA-11 but with potentially enhanced imaging sensitivity. Its clinical utility would depend on trials showing advantages over PSMA-11 in terms of detection rates, especially in challenging prostate cancer cases or where early-stage cancer is hard to detect.