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Bean smoothie study hopes to unlock colon cancer prevention secrets

NCT ID NCT06032104

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how adding beans to the diet affects bowel and metabolic health in 25 overweight adults aged 30-80 who are scheduled for a colonoscopy. Participants will drink a bean smoothie for two weeks, and researchers will measure changes in gut bacteria, blood markers, and colon tissue. The goal is to understand if beans can help prevent colon cancer in the future.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 25 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2023

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

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

30 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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.

Inclusions: 1. 30-80 years-old 2. Overweight or obesity (body mass index ≥ 25 kg/m2) 3. Planned for a standard of care colonoscopy for colon cancer screening Exclusions: 1. Intolerance to a bean or high bean consumer based on a screening survey 2. Pregnancy or actively planning to get pregnant 3. Any active gastrointestinal disease resulting in disturbed gut function or malabsorption (e.g., chronic diarrhea or inflammatory bowel disease) 4. Current or history of any malignancy in the past 10 years. 5. Chronic use of opioids, anti-inflammatory drugs, antibiotics, prebiotics, or probiotics within 1 month of study endpoints 6. History of a significant systemic condition (e.g., heart disease, chronic kidney disease, liver dysfunction or immune suppression), or abnormal laboratory markers (e.g., abnormal liver enzymes, creatinine, clotting factors, or low platelets count). The severity of the intolerance to fiber/ the medical conditions/lab markers and eligibility will be defined after the careful interview of the patient/review of the medical records by Dr. Hussan)

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • University of California Davis

    RECRUITING

    Sacramento, California, 95817, United States

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