# Evaluation of a 3-dose Vaccination Regimen With One of Three Ascending Dose Levels of Clostridium Difficile Vaccine With or Without Adjuvant in Healthy Adults Aged 50 to 85 Years

> **NCT01706367** · PHASE1 · COMPLETED · sponsor: **Pfizer** · enrollment: 192 (actual)

## Conditions studied

- Clostridium Difficile Associated Disease

## Interventions

- **BIOLOGICAL:** C. difficile vaccine
- **BIOLOGICAL:** C. difficile vaccine +adjuvant
- **BIOLOGICAL:** C. difficile vaccine
- **BIOLOGICAL:** C. difficile vaccine +adjuvant
- **BIOLOGICAL:** C. difficile vaccine
- **BIOLOGICAL:** C. difficile vaccine +adjuvant

## Key facts

- **NCT ID:** NCT01706367
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-09
- **Primary completion:** 2014-01
- **Final completion:** 2014-01
- **Target enrollment:** 192 (ACTUAL)
- **Last updated:** 2014-03-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01706367

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01706367, "Evaluation of a 3-dose Vaccination Regimen With One of Three Ascending Dose Levels of Clostridium Difficile Vaccine With or Without Adjuvant in Healthy Adults Aged 50 to 85 Years". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT01706367. Licensed CC0.

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