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SER-262 Versus Placebo in Adults With Primary Clostridium Difficile Infection to Prevent Recurrence

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT02830542
Recruitment Status : Unknown
Verified March 2018 by Seres Therapeutics, Inc..
Recruitment status was:  Active, not recruiting
First Posted : July 13, 2016
Last Update Posted : April 20, 2018
Pharm-Olam International
Information provided by (Responsible Party):
Seres Therapeutics, Inc.

Tracking Information
First Submitted Date  ICMJE July 6, 2016
First Posted Date  ICMJE July 13, 2016
Last Update Posted Date April 20, 2018
Study Start Date  ICMJE July 2016
Estimated Primary Completion Date June 2018   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: July 8, 2016)
  • Safety and tolerability of SER-262 as assessed by incidence of AEs, lab results, vital signs, ECG, and physical examination findings [ Time Frame: Up to 24 weeks after treatment ]
  • Relative risk of recurrence based on the proportion of subjects experiencing CDI recurrence in each SER-262 cohort compared to placebo up to 8 weeks after treatment [ Time Frame: Up to 8 weeks after treatment ]
Original Primary Outcome Measures  ICMJE Same as current
Change History
Current Secondary Outcome Measures  ICMJE
 (submitted: July 8, 2016)
  • Time to recurrence of CDI [ Time Frame: Up to 24 weeks after treatment ]
  • Relative risk of recurrence of CDI up to 4, 12, and 24 weeks after treatment [ Time Frame: Up to 4, 12, and 24 weeks after treatment ]
Original Secondary Outcome Measures  ICMJE Same as current
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
Descriptive Information
Brief Title  ICMJE SER-262 Versus Placebo in Adults With Primary Clostridium Difficile Infection to Prevent Recurrence
Official Title  ICMJE A Phase 1b Randomized, Double-Blind, Placebo-Controlled, Ascending Single and Multiple Dose Study to Evaluate the Safety, Tolerability and Efficacy of SER-262 in Adults With Primary Clostridium Difficile Infection (CDI) to Prevent Recurrence
Brief Summary The study will involve administering a single dose of investigational drug or placebo in ascending dose cohorts. This study is designed to evaluate the safety and tolerability of investigational drug as well as the efficacy of investigational drug versus placebo in adults with primary (first episode) Clostridium difficile infection (CDI).
Detailed Description SER-262-001 is a Phase 1b, randomized, double blind, placebo-controlled, ascending single dose clinical study with 2 treatment arms (SER-262 or placebo) in up to 8 dose cohorts. Patients who have been diagnosed with their first (primary) episode of CDI, defined as diarrhea (≥ 3 unformed stools per day for 2 consecutive days), a positive C. difficile stool test and who have responded to standard-of-care antibiotic will receive investigational drug or placebo on Day 1.
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 1
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
Condition  ICMJE Clostridium Difficile Infection
Intervention  ICMJE
  • Drug: SER-262
    SER-262 is a rationally designed, multi-strain Ecobiotic® microbiome therapeutic produced synthetically by in vitro fermentation. It is a consortium of anaerobic, commensal bacteria in spore form, encapsulated for oral administration.
    Other Name: Cultivated Eubacterial Spore Suspension, Encapsulated
  • Drug: Placebo
    Placebo will be identical to the investigational product but will not contain product spores or non-spore solids. Placebo will consist of 92% glycerol and 8% normal saline.
Study Arms  ICMJE
  • Experimental: SER-262
    SER-262 [Single dose: 10(4), 10(5), 10(6), 10(7) or 10(8) SCFUs; Multiple dose 10(6), 10(7), or 10(8) SCFUs]
    Intervention: Drug: SER-262
  • Placebo Comparator: Placebo
    Intervention: Drug: Placebo
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by Identifier (NCT Number) in Medline.
Recruitment Information
Recruitment Status  ICMJE Unknown status
Actual Enrollment  ICMJE
 (submitted: April 18, 2018)
Original Estimated Enrollment  ICMJE
 (submitted: July 8, 2016)
Estimated Study Completion Date  ICMJE October 2018
Estimated Primary Completion Date June 2018   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  1. Signed informed consent, indicating that the subject understands the purpose of and procedures required for the study.
  2. Male or female subjects ≥ 18 years.
  3. A primary (first) episode of CDI with documentation of the episode including CDI date, test results, antibiotic treatment (including start and stop dates), and response to treatment

Exclusion Criteria:

  1. Females who are pregnant, breastfeeding, lactating, or planning to become pregnant during the study.
  2. Known or suspected toxic megacolon and/or known small bowel ileus.
  3. Active irritable bowel syndrome with diarrhea within the previous 12 months.
  4. Major gastrointestinal surgery (eg, significant bowel resection or diversion) within 3 months before enrollment (this does not include appendectomy or cholecystectomy) or any history of total colectomy or bariatric surgery.
  5. History of inflammatory bowel disease (ulcerative colitis, Crohn's disease, microscopic colitis) with diarrhea believed to be caused by active inflammatory bowel disease in the past 12 months.
  6. Estimated glomerular filtration rate (eGFR) < 60 ml/min/1.73m2
  7. Admitted to or expected to be admitted to an intensive care unit for medical reasons (not just boarding). Patients discharged from an intensive care unit before Day 1 may be enrolled.
  8. Concurrent intensive induction chemotherapy, radiotherapy, or biologic treatment for active malignancy (patients on maintenance chemotherapy may only be enrolled after consultation with medical monitor).
  9. Absolute neutrophil count < 500 cells/mm3
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE United States
Removed Location Countries  
Administrative Information
NCT Number  ICMJE NCT02830542
Other Study ID Numbers  ICMJE SER-262-001
Has Data Monitoring Committee Yes
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE
Plan to Share IPD: No
Responsible Party Seres Therapeutics, Inc.
Study Sponsor  ICMJE Seres Therapeutics, Inc.
Collaborators  ICMJE Pharm-Olam International
Investigators  ICMJE
Study Director: Michele Trucksis, PhD, MD Seres Therapeutics
PRS Account Seres Therapeutics, Inc.
Verification Date March 2018

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP