A Phase 2, Placebo-controlled, Randomised, Observer-blinded Trial To Evaluate The Safety, Tolerability And Immunogenicity Of A Clostridium Difficile Vaccine Administered As A 3-dose Regimen In Healthy Adults Aged 50 To 85 Years
Latest Information Update: 14 Sep 2021
At a glance
- Drugs PF 6425090 (Primary) ; Toxoids
- Indications Clostridium difficile infections
- Focus Adverse reactions
- Acronyms toxoid-alone study
- Sponsors Pfizer
- 03 Sep 2021 Results assessing the safety and immunogenicity data from two clinical studies (QS-21 study NCT02052726 and toxoid-alone study NCT02117570) that evaluated the use of alternative formulations of this vaccine candidate in healthy adults, published in the Vaccine.
- 05 Dec 2017 Status changed from active, no longer recruiting to completed.
- 14 Dec 2015 Planned number of patients changed from 185 to 749 as reported by ClinicalTrials.gov.