Scientists watch and learn: no treatment, just tracking blood cancers over time

NCT ID NCT00923507

First seen Jun 26, 2026 · Last updated Jul 01, 2026 · Updated 2 times

Summary

This study follows up to 1,000 adults with certain slow-growing blood cancers (CLL, SLL, LPL, WM) to track how the diseases change over time. Participants have regular check-ups and blood draws every 6 to 24 months, and may also have optional biopsies or scans for research. No treatment is given; if treatment becomes needed, other options are discussed.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this study could help identify new targets for future treatments by understanding how these blood cancers progress.

What could go wrong

This is an observational study, not a treatment trial, so it won't directly help participants. It may take many years to yield useful insights.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

B-cell chronic lymphocytic leukemia leukemia Leukemia, B-Cell lymphoma Lymphoma, B-Cell, Marginal Zone lymphoplasmacytic lymphoma persistent polyclonal B-cell lymphocytosis splenic marginal zone lymphoma Waldenstrom macroglobulinemia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••