OnCo
ideasIdea

A watch-and-wait registry for blood precursor conditions found by chance

Blood tests increasingly find precursor conditions like MGUS and smouldering myeloma, but most never progress. A registry with clear rules would stop early treatment outside trials.

Smouldering myeloma treatment trials prompt calls for early therapy, yet most patients would never progress; iStopMM (Iceland) shows population MGUS screening is feasible. Propose a national precursor registry (MGUS, smouldering myeloma, monoclonal B-cell lymphocytosis, CHIP) with risk stratification, no treatment outside trials, and patient-reported outcomes.

Hypothesis
A stratified registry allows at least 80% of precursor patients to remain untreated over ten years while progression is detected before end-organ damage in at least 90% of those who progress.
Rationale
The harm to avoid is treatment creep as detection expands.
What would test it
Registry with pre-specified progression monitoring; compare outcomes with treated cohorts.
Maturity
early clinical
Who has to act
clinic
Cost to try
Medium ($1M to $50M)
Years to first evidence
6
Bottlenecks it attacks
  • Overdiagnosis and false alarms · Finding more cancer is not the same as saving lives. Screening also finds cancers that would never have hurt anyone, and treats them.

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