The Clostridioides Difficile Trial of REC-3964
← catalyst calendarSponsored by Recursion Pharmaceuticals Inc. (industry) · RXRX — their whole pipeline →.
Phase
Phase 2
Status
Terminated
Study type
Interventional
Design
Randomized · None · Treatment
Enrollment
3actual
Sites
2
Country
United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Why the sponsor stopped it
Study was terminated due to sponsor decision. This decision was not related to safety concerns.
As filed on the registry record, in the sponsor's own words.
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2024-10-14 | actual | When the study began enrolling |
| Primary completion | 2025-05-06 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2025-05-06 | actual | The whole study's end, after follow-up |
| First posted | 2024-08-05 | actual | When this record first appeared on the registry |
| Results posted | 2025-11-17 | actual | When the sponsor posted results to the registry |
| Record updated | 2025-11-17 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Recurrent Clostridioides Difficile Infection
Intervention
- Drug: REC-3964
Primary outcomes
what the primary-completion date above is the date OFNumber of Participants With Survival Without Recurrence or Requirement for Additional Clostridioides Difficile Infection (CDI) Treatment
measured 8 weeks
Number of Participants With Treatment-emergent Adverse Events (TEAEs)
measured Up to 8 weeks
Number of Participants With Related TEAEs
measured Up to 8 weeks
Number of Participants With Serious TEAEs
measured Up to 8 weeks
Number of Participants With TEAEs Leading to Study Drug Discontinuation
measured Up to 8 weeks
Posted documents
hosted by the registry — we link, never re-serveStudy Protocol and Statistical Analysis Planposted 2025-03-27 · 691 KB · Prot_SAP_000.pdf
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