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A Randomized, Double-Blind, Placebo-Controlled Phase 3 Study of VE303 for Prevention of Recurrent Clostridioides difficile Infection: The RestoratiVE303 Study

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-502972-22-00
Acronym
VE303-003
Enrollment
156
Registered
2024-10-07
Start date
2024-10-31
Completion date
Unknown
Last updated
2025-10-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Clostridioides difficile infection.

Brief summary

Proportion of participants with laboratory confirmed CDI recurrence through Week 8

Detailed description

Incidence and severity of treatment-emergent adverse events (TEAEs), treatment-related TEAEs, serious adverse events (SAEs), medically attended adverse events (MAAEs), and adverse events of special interest (AESIs) through week 8 and 24, Proportion of participants with laboratory confirmed CDI recurrence through Week 12 and Week 24, Fecal VE303 bacterial strain colonization abundance and duration, Change from baseline in the Cdiff32 score Change from baseline in EQ-5D score, utility index, and EQ VAS score Change from baseline in CDI-DaySyms daily symptoms score, Relationship between of VE303 strain colonization and CDI recurrence rate and time to recurrence.

Interventions

DRUGPlacebo capsules containing microcrystalline cellulose
DRUGvisually identical to and not discernible from VE303 capsules. Placebo capsules do not contain any bacterial strains or formulation buffer used in the VE303 drug product.

Sponsors

Vedanta Biosciences Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Proportion of participants with laboratory confirmed CDI recurrence through Week 8

Secondary

MeasureTime frame
Incidence and severity of treatment-emergent adverse events (TEAEs), treatment-related TEAEs, serious adverse events (SAEs), medically attended adverse events (MAAEs), and adverse events of special interest (AESIs) through week 8 and 24, Proportion of participants with laboratory confirmed CDI recurrence through Week 12 and Week 24, Fecal VE303 bacterial strain colonization abundance and duration, Change from baseline in the Cdiff32 score Change from baseline in EQ-5D score, utility index, and EQ VAS score Change from baseline in CDI-DaySyms daily symptoms score, Relationship between of VE303 strain colonization and CDI recurrence rate and time to recurrence.

Countries

Belgium, Bulgaria, Czechia, Denmark, France, Germany, Hungary, Ireland, Italy, Netherlands, Poland, Portugal, Romania, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026