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SER-109

Phase 3

Clostridioides Difficile Infection | Monoclonal antibody | Other |Seres Therapeutics, Inc.|Last Updated: Apr 10, 2023

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment263
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03183141ECOSPOR IV: An Open-Label Study Evaluating SER-109 in Recurrent Clostridioides Difficile InfectionPHASE3 COMPLETED 263Oct 23, 2017Apr 29, 2022Apr 10, 2023107 United States, Canada
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Study Endpoints
Primary Endpoints
Cohort 1: Recurrence of CDI and Sustained Clinical Response
Up to Week 8

Cohort 1: Recurrence of CDI up to 8 Weeks after treatment. Recurrence was determined by stool Clostridioides difficile toxin assay. Sustained clinical response was the absence of CDI recurrence up to 8 Weeks after treatment.

Cohort 2: Recurrence of CDI and Sustained Clinical Response
Up to Weeks 8 and 12

Cohort 2: Recurrence of CDI up to 8 and 12 Weeks after treatment. Recurrence was determined by stool Clostridioides difficile toxin assay. Sustained clinical response was the absence of CDI recurrence up to 8 and 12 Weeks after treatment.

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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
SER-109EXPERIMENTALReceived oral dose of SER-109
Interventions
NameTypeDescription
SER-109BIOLOGICALSER-109, an oral, biologically derived, live microbiome therapeutic that comprises purified bacterial spores
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites107

Cohort 1 Main Inclusion Criteria: 1. Previously enrolled in Study SERES-012, had CDI recurrence within 8 weeks after receipt of a treatment regimen of SER-109 or placebo 2. Signed informed consent prior to initiation of any study-specific procedure or treatment. The subject, or their legally author...

Countries:United StatesCanada
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