Clinical trial Recruiting at 1 site Observational Ages 18 to 99

Understanding how gut bacteria influence cancer treatment

Official title: Role of Gut Microbiome in Cancer Therapy

Run by Mayo Clinic · NCT05112614 · Data updated 2026-11-12

This study looks at how the bacteria in your gut might affect how well cancer treatments work for people with certain types of cancer.

Quick facts

Study typeObservational
Ages18 Years to 99 Years
SexAll
Enrollment3000 (estimated)
SponsorMayo Clinic
Academic / other
Locations3 sites (Scottsdale, Arizona and 2 other locations)
StatusRecruiting
StartedSeptember 11, 2019
Main results expectedOctober 1, 2030
Study endsOctober 1, 2030
Registry record updatedMarch 16, 2026
Trial IDNCT05112614 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18-99 who have been diagnosed with cancer and are undergoing or scheduled to start cancer therapy or a stem cell transplant.

Probably not a fit

Patients who are unable to provide informed consent or are considered vulnerable adults may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study investigates the relationship between the gut microbiome and the effectiveness of cancer therapies in patients with hematopoietic and lymphoid cell neoplasms or malignant solid neoplasms. By collecting blood and stool samples and reviewing medical records, researchers aim to correlate specific gut microbiome profiles with clinical responses and side effects of cancer treatments and stem cell transplants. The findings may lead to improved cancer treatment strategies tailored to individual microbiome compositions.

Why it matters

Potential benefit: If successful, this study could enhance the effectiveness of cancer therapies by personalizing treatment based on gut microbiome profiles.

How similar studies have gone: Other studies have shown promising results in understanding the role of the microbiome in cancer treatment, suggesting that this approach is both relevant and potentially impactful.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18-99
* Diagnosis of cancer and undergoing cancer therapy or scheduled to start cancer therapy or undergoing stem cell transplant for any hematological condition

Exclusion Criteria:

* Unable to provide informed consent
* Vulnerable adults

Where it's running

  • Mayo Clinic in Rochester
    Rochester, Minnesota, United States
    Recruiting
  • Mayo Clinic in Arizona
    Scottsdale, Arizona, United States
    Active not recruiting
  • Mayo Clinic in Florida
    Jacksonville, Florida, United States
    Active not recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.