Trials Sponsors Conditions Drugs Pricing

Conditions

Healthy Adult Participants

Outcome Measures

Primary Outcomes (1)

Donor Eligibility Rate
Proportion of screened individuals who meet eligibility criteria for stool donation
During screening period

Secondary Outcomes (1)

Microbiome Diversity of Donors
Baseline and every 60 days through study completion, up to 12 months

Study Arms (1)

Healthy Donors

This group consists of healthy stool donors.

Other: Microbiome bank

Interventions

Microbiome bankOther

This is an observational study with no interventions.

Healthy Donors

Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.

Eligibility Criteria

Age18 Years - 80 Years

Sexall

Healthy VolunteersYes

Age GroupsAdult (18-64), Older Adult (65+)

Sampling MethodNon-Probability Sample

Study Population

Eligible participants will be at least 18-years of age, generally healthy, and living in the San Francisco Bay Area.

You may qualify if:

Provision of signed and dated informed consent form

Sponsors & Collaborators

Kepner Microbiome Fund
Type not reportedcollaborator
Mischa Deeter Research Fund
Type not reportedcollaborator
GI Diseases Fund

Study Sites (1)

Stanford University

Palo Alto, California, 94305, United States

Roujheen Sabetan, MPHCONTACT650-498-8188 rsabetan@stanford.edu

Sean Spencer, MD, PHDPRINCIPAL INVESTIGATOR

Biospecimen

Retention: SAMPLES WITH DNA

We will retain stool, blood, saliva, and small intestinal fluid samples.

Study Officials

Sean Spencer, MD, PhD
Stanford University
PRINCIPAL INVESTIGATOR

Central Study Contacts

Roujheen Sabetan, MPH

CONTACT

650-498-8188 rsabetan@stanford.edu

Study Design

Study Type: observational
Observational Model: COHORT
Time Perspective: PROSPECTIVE
Target Duration: 1 Year
Sponsor Type: OTHER
Responsible Party: SPONSOR INVESTIGATOR
PI Title: Assistant Professor of Medicine and Medical Director of Microbiome Diagnostics and Therapeutics

Study Record Dates

First Submitted

May 22, 2026

First Posted

June 4, 2026

Study Start

August 1, 2026

Estimated (date passed)

This estimate has passed. The registry has not confirmed an actual date for this milestone.

Primary Completion

Stanford University Microbiome Bank

Brief Summary

Registry Overview

Trial Relationships

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Outcome Measures

Primary Outcomes (1)

Secondary Outcomes (1)

Study Arms (1)

Healthy Donors

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

Biospecimen

Study Officials

Central Study Contacts

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record

Locations

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Outcome Measures

Primary Outcomes (1)

Secondary Outcomes (1)

Study Arms (1)

Healthy Donors

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

Biospecimen

Study Officials

Central Study Contacts

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record

Locations