Maitake mushroom extract tested as immune booster for cancer patients
NCT ID NCT06323473
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 2 trial is testing whether a liquid extract from maitake mushrooms can improve immune function in 40 adults receiving chemotherapy or CDK4/6 inhibitors for cancer. Participants take the supplement alongside their standard treatment. The study measures changes in white blood cell counts and rates of fever-related low white blood cell counts.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Maitake mushroom extract (Black Maitake Prothera)
- What this could lead to
- If it works, this could point toward a natural supplement to help support the immune system during cancer treatment.
- What could go wrong
- This is a small, early-phase trial with no placebo group, so results may not be conclusive. Maitake could interact with other medications or cause allergic reactions.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2024
- Expected to finish
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May 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Adults (≥18 years of age) 2. Confirmed cancer diagnosis through biopsy or radiologic imaging 3. Undergoing systemic treatment with either chemotherapy or CD4/6 inhibitors 4. Currently receiving cancer treatment in Ontario, Canada Exclusion Criteria: 1. Hematologic cancers 2. Previously received any mushroom supplement within 6 months prior to enrolment 3. Allergy to mushrooms or mushroom products 4. Diagnosis of diabetes 5. Currently taking hypoglycemic or anticoagulant medications 6. Currently receiving immune checkpoint inhibitors 7. Unable to attend in in-person visits in either Ottawa or Toronto 8. Any reason which, under the discretion of the Qualified Investigator or delegate, would preclude the patient from participating
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Canadian College of Naturopathic Medicine - Integrative Cancer Centre
RECRUITINGToronto, Ontario, M2K 1E2, Canada
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The Centre for Health Innovation
RECRUITINGOttawa, Ontario, K2P 0M7, Canada
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