CLL drug venetoclax under the microscope: genetic clues may improve treatment

NCT ID NCT03986034

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tracks genetic changes in chronic lymphocytic leukemia (CLL) cells during treatment with the drug venetoclax. Researchers aim to understand how the cancer evolves as the drug is started. 75 adults with relapsed or refractory CLL will receive venetoclax and undergo regular blood tests, CT scans, and bone marrow biopsies over at least 2 years.

What this could mean

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

Active substance

venetoclax

What this could lead to

If successful, this could help doctors understand why some CLL patients respond better to venetoclax and guide more personalized treatment.

What could go wrong

This is a small, early-phase study focused on understanding genetic changes, not on proving a new treatment works. Results may not lead to immediate clinical changes.

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 neoplasm

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: •••••@•••••

  • Contact

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

Locations

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

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