Stanford launches stool donor bank to fight Gut-Related diseases
NCT ID NCT07625059
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aims to create a central bank of stool donors to help treat diseases linked to gut bacteria. Researchers will screen healthy adults aged 18-80 living near Stanford to find eligible donors and study their microbiome, immune system, and diet. The goal is to better understand what makes a good donor for future therapies.
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.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2027
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.
Who is studied
Eligible participants will be at least 18-years of age, generally healthy, and living in the San Francisco Bay Area.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Provision of signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study * Any person aged 18-80 years of age, inclusive at the time of signing the consent * In good general health as evidenced by medical history * Ability to travel to donation facility on a weekly basis * Residence within 5 miles of Stanford Campus * For females of reproductive potential: use of highly effective contraception for at least 1 month prior to screening and agreement to use such a method during study participation * Capable of providing signed informed consent. Exclusion Criteria: * Inflammatory bowel disease * Enteric infections * Previous infection with Clostridium difficile * History of gastrointestinal surgery: Participants with gastrointestinal surgeries below the pylorus will be excluded from this protocol, including participants with a history of colectomy, segmental colonic resection, and small bowel resections. * Documented severe gastroparesis * Active intestinal obstruction * Dysphagia (oropharyngeal, esophageal, functional or neuromuscular) * History or current malignancy diagnosis * History of recurrent aspiration episodes * Any conditions associated with a high risk of bleeding, including but not limited to coagulopathy/bleeding disorder, severe liver disease, active or recent GI bleeding, or recent abdominal or other GI surgery * Active diagnosis of major depressive disorder * Active diagnosis of major anxiety disorder * Severe immunodeficiency, inherited or acquired (e.g., Human immunodeficiency virus, active chemotherapy or immunosuppressive medications \[including steroids, biologic therapy, or bone marrow suppressive agents\], or radiation therapy) * BMI of less than 18 or BMI greater than 30 * Record of eating disorders * Active use of GLP-1 inhibitors * Diagnosis of Human immunodeficiency virus infection; Hepatitis A, B, C \& E; Epstein Bar Virus; parasitic infections; Syphilis * Pregnancy \& lactation * Active drug, or alcohol use disorder * Tobacco, marijuana and e-cigarette use * Any other significant medical condition that could confound or interfere with evaluation of safety or tolerability or prevent compliance with the study protocol at the discretion of the Investigator Prior/concomitant therapy * Active antibiotic use * Active treatment with high levels of immunosuppressive therapies (active chemotherapy or immunosuppressive medications \[including steroids, biologic therapy, or bone marrow suppressive agent\], or radiation therapy) * Simultaneous participation in another interventional clinical trial Other exclusion criteria -Inability to comply with research requirements
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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
1 site. 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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Stanford University
Palo Alto, California, 94305, United States
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