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GPC3-Targeted PET Tracer Detects Early Liver Cancer With Unmatched Accuracy

The novel agent produced high-contrast PET/MR scans in a 36-patient trial without any reported side effects.

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Overview

  • XH06 binds selectively to glypican-3, a cell surface receptor overexpressed in most hepatocellular carcinoma tumors.
  • In Wuhan Union Hospital’s pilot study, the tracer achieved 90.63% sensitivity and 100% specificity against surgical pathology.
  • The agent clearly delineated lesions under one centimeter, a level of resolution that conventional CT and MRI often miss.
  • Pharmacokinetic data showed rapid blood clearance and renal excretion with minimal off-target uptake.
  • If confirmed in larger trials, this molecular imaging approach could enable earlier staging and intervention for a cancer with an 18% five-year survival rate.