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Completed Phase 2 Interventional Results available

SER-109 Versus Placebo to Prevent Recurrent Clostridium Difficile Infection (RCDI)

ClinicalTrials.gov ID: NCT02437487

Public ClinicalTrials.gov record NCT02437487. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 3:21 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

ECOSPOR: A RandomizEd, Double Blind, Placebo COntrolled, Parallel Group Study of SER 109 to Prevent Recurrent ClOstRidium Difficile Infection

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The study will involve administering the study drug as a single dose of study drug or placebo. This study is designed to demonstrate the superiority of the experimental drug versus placebo in adult patients with recurrent CDI.

Study identification

NCT ID
NCT02437487
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Seres Therapeutics, Inc.
Industry
Enrollment
89 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 2015 (Type not available)
Primary completion
Jul 2016 (Actual)
Completion
Oct 2016 (Actual)
Last update posted
Jul 26, 2018

2015 – 2016

United States locations

U.S. sites
30
U.S. states
18
U.S. cities
29
Facility City State ZIP Site status
North County Gastroenterology Oceanside California 92056 —
University Of California Davis Sacramento California 95817 —
Ventura Clinical Trials Ventura California 93003 —
ZASA Clinical Research Atlantis Florida 33462 —
Omega Research Consultants LLC DeBary Florida 32713 —
Borland-Groover Clinic Jacksonville Florida 33256 —
Gastroenterology Group of Naples Naples Florida 34102 —
Advanced Medical Research Center Port Orange Florida 32127 —
Emory University Atlanta Georgia 30322 —
Idaho Falls Infection Diseases Idaho Falls Idaho 83404 —
Ochsner Clinic Foundation New Orleans Louisiana 70121 —
Anne Arundel Health System Research Institute Annapolis Maryland 21410 —
Johns Hopkins Bayview Medical Baltimore Maryland 21224-2780 —
Metropolitan Gastroenterolgy Group Pc Chevy Chase Maryland 20815 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Beth Israel Deaconess Med Cntr Boston Massachusetts 02215 —
William Beaumont Hospital Royal Oak Michigan 48073 —
Mayo Clinic Chatfield Minnesota 55905 —
Sundance Clinical Research St Louis Missouri 63141 —
Mercury Street Medical Group Butte Montana 59701 —
Englewood Hospital and Medical Center Englewood Cliffs New Jersey 07632-2514 —
Mount Sinai Hospital New York New York 10029 —
University of Rochester Medical Center Rochester New York 14642 —
University of Cincinnati College of Medicine Cincinnati Ohio 45267 —
Remington-Davis, Inc. Columbus Ohio 43215 —
Regional Infectious Diseases-Infusion Center Inc Lima Ohio 45801 —
Drexel University/Hahnemann University Hospital Philadelphia Pennsylvania 19107 —
Brown Alpert Medical School Providence Rhode Island 02904 —
University of Texas School of Public Health Houston Texas 77030 —
Medical Associates of Central Virginia Lynchburg Virginia 24501 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02437487, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 26, 2018 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT02437487 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →