Drugs / C difficile vaccine
last change Dec 2025 re-read 2 minutes ago

C difficile vaccine

Vaccine

Developed for
Clostridium difficile colitis
Investigated by
Pfizer

Trials 2 · a red edge is where a trial was stopped

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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT01706367 Sep 2012 → Jan 2014 Clostridium difficile colitis Pfizer Completed No outcome recorded
Phase 31 trial
Phase 3 NCT07282665 Dec 2025 → Dec 2028 expected Clostridium difficile colitis Pfizer Recruiting No outcome recorded

Press releases naming this drug 1 release

DateIssuerRelease
2017-01-26 Pfizer Pfizer Announces Positive Top-Line Results from Phase 2 Study of Investigational Clostridium difficile Vaccine for the Prevention of C. difficile Infection pfizer.com

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 3 sources stand behind the page.

FieldValueCited text
Known as C difficile vaccine “This is a first-in-human study (phase 1) of a 3-dose vaccination regimen with one of three dose levels of C difficile vaccine with or without adjuvant in healthy adults aged 50...” NCT01706367
2

NCT07282665

NCT01706367

Known as Clostridium difficile vaccine “A phase 1, placebo-controlled, randomized study of the safety, tolerability, and immunogenicity of a Clostridium difficile vaccine administered with or without aluminum...” PMID 26993331 Mar 2016
Modality Vaccine “an investigational vaccine candidate consisting of genetically and chemically detoxified, purified toxins A and B” PMID 26993331 Mar 2016
Route Intramuscular “C.difficile vaccine given as an intramuscular injection” NCT07282665