Study of a Candidate Clostridium Difficile Toxoid Vaccine in Subjects at Risk for C. Difficile Infection
Efficacy, Immunogenicity, and Safety Study of Clostridium Difficile Toxoid Vaccine in Subjects at Risk for C. Difficile Infection (Cdiffense™)
Sponsor: Sanofi Pasteur, a Sanofi Company
Terminated
The Independent Data Monitoring Committee (IDMC) concluded that the probability that the study will meet its primary objective is low.
Other terminated trials from Sanofi Pasteur, a Sanofi Company
Other Clostridium Difficile Infection trials with similar outcome
This PHASE3 trial investigates Clostridium Difficile Infection and is currently terminated or withdrawn. Sanofi Pasteur, a Sanofi Company leads this study, which shows 18 recorded versions since 2013 — indicating substantial longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.
Status Flow
Change History
18 versions recorded-
Feb 2026 — Present [monthly]
Terminated PHASE3
-
Dec 2025 — Feb 2026 [monthly]
Terminated PHASE3
-
Sep 2025 — Dec 2025 [monthly]
Terminated PHASE3
-
Sep 2024 — Sep 2025 [monthly]
Terminated PHASE3
-
Jul 2024 — Sep 2024 [monthly]
Terminated PHASE3
▶ Show 13 earlier versions
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Apr 2022 — Jul 2024 [monthly]
Terminated PHASE3
-
Dec 2021 — Apr 2022 [monthly]
Terminated PHASE3
-
Jan 2021 — Dec 2021 [monthly]
Terminated PHASE3
-
Nov 2020 — Jan 2021 [monthly]
Terminated PHASE3
-
Aug 2019 — Nov 2020 [monthly]
Terminated PHASE3
-
Aug 2018 — Aug 2019 [monthly]
Terminated PHASE3
Status: Active Not Recruiting → Terminated
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Jun 2018 — Aug 2018 [monthly]
Active Not Recruiting PHASE3
-
Dec 2017 — Jun 2018 [monthly]
Active Not Recruiting PHASE3
Status: Recruiting → Active Not Recruiting
-
Oct 2017 — Dec 2017 [monthly]
Recruiting PHASE3
-
Aug 2017 — Oct 2017 [monthly]
Recruiting PHASE3
-
Jul 2017 — Aug 2017 [monthly]
Recruiting PHASE3
Status: Active Not Recruiting → Recruiting
-
Feb 2017 — Jul 2017 [monthly]
Active Not Recruiting PHASE3
-
Jan 2017 — Feb 2017 [monthly]
Active Not Recruiting PHASE3
First recorded
Jul 2013
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Sanofi Pasteur, a Sanofi Company
For direct contact, visit the study record on ClinicalTrials.gov .