4-Week vegan diet tested as CLL therapy

NCT ID NCT07487428

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a 4-week whole-food plant-based diet can improve immune function and slow disease activity in people with early-stage chronic lymphocytic leukemia (CLL) who have not yet received treatment. Fifty participants will follow the diet and provide blood and stool samples before, during, and after the diet period. Researchers will measure changes in lymphocyte counts and immune cell metabolism.

What this could mean

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

Active substance

whole-food plant-based diet

What this could lead to

If it works, this could point toward a dietary approach to help manage early-stage CLL without immediate drug treatment.

What could go wrong

This is a small, early-phase study with only 50 participants and no control group. The diet is short-term, so any effects may be temporary or not clinically meaningful.

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, B-Cell

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

  • Klinikum der Technischen Universität München (Klinikum rechts der Isar)

    RECRUITING

    München, Bavaria, 81676, Germany

    Contact Email: •••••@•••••