CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 263 enrolled
Drug / intervention
SER-109biological
Likely dose
SER-109, oral, single treatment course (dose/frequency not specified in trial record)AI-extracted
Key inclusion· 3
  • Cohort 1: Previously enrolled in SERES-012 with CDI recurrence within 8 weeks after SER-109 or placebo
  • Cohort 1: CDI recurrence meeting protocol definition (≥3 unformed stools/day for 2 consecutive days, positive C. difficile toxin, antibiotic therapy, and adequate response <3 unformed stools in 24 hours for ≥2 consecutive days)
  • Cohort 2: Age ≥18 years with ≥1 CDI recurrence confirmed by C. difficile stool toxin or PCR and responsive to antibiotic treatment
Key exclusion· 9
  • Pregnancy, breastfeeding, lactation, or planning pregnancy during study
  • Known or suspected toxic megacolon and/or small bowel ileus
  • ICU admission for medical reasons (nursing homes, rehabilitation, assisted living, acute care hospitals acceptable)
  • Absolute neutrophil count <500 cells/mm³

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03183141
NCT03183141Phase 3Completed

ECOSPOR IV: An Open-Label Extension of Study SERES-012 and Open-Label Program for Evaluating SER-109 in Subjects With Recurrent Clostridioides Difficile Infection (RCDI)

Seres Therapeutics, Inc.·interventional·Posted Jun 9, 2017·Updated Apr 10, 2023

In Brief

A Phase 3 clinical trial evaluating SER-109 for Clostridioides Difficile Infection. Completed, enrolled 263 participants across 107 sites in 2 countries.

Detailed Summary

Cohort 1: Subjects who had a Clostridioides difficile infection (CDI) recurrence in study SERES-012 within 8 weeks of receipt of study drug will be eligible. The purpose of this cohort is to assess safety and efficacy of SER-109 in reducing recurrence of CDI in adults who had a CDI recurrence within 8 weeks after receipt of SER-109 or Placebo in study SERES-012. Cohort 2: Cohort 2 is an open-label program for subjects who were not part of SERES-012. The purpose of this cohort is to describe safety and tolerability of SER-109 in subjects 18 years of age or older with at least a first recurrence of CDI.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada, United States
Collaborators--

Timeline

Phase 3CompletedFinished
201820192020202120222023202420252026
First PostedJun 9, 2017
Enrollment StartOct 23, 2017
Primary CompletionApr 29, 2022
TodayJul 2, 2026
Enrollment to primary: 4.5 yearsPosted 9.1 years ago

Interventions

SER-109biological

SER-109, an oral, biologically derived, live microbiome therapeutic that comprises purified bacterial spores