Liquid Biopsy may be a false hope
Commercial Liquid Biopsy for Early Detection: Ethical Realities & Specificity Defects Report: Guardian Australia Analysis on Commercial Liquid Biopsies | Access Full Report via The Guardian The Bottom Line Direct-to-consumer advertising is currently marketing a $1,495 out-of-pocket liquid biopsy test (circulating tumour DNA) to Australian women for asymptomatic ovarian cancer. While early detection remains a critical goal, health leaders—including the Ovarian Cancer Research Foundation (OCRF)—warn that commercially offering this unapproved TGA test carries major ethical concerns and severe diagnostic limitations. With a sensitivity of ~78% and a specificity of ~94%, the test simultaneously misses a quarter of true cancers while generating thousands of false alarms in healthy women. The Two-Way Diagnostic Flaw ┌─────────────────────────────────────────────────────────────────────────┐ │ COMMERCIAL TEST PROFILE │ ├────────────────────...