# A Study To Investigate A Clostridium Difficile Vaccine In Healthy Adults Aged 50 To 85 Years, Who Will Each Receive 3 Doses Of Vaccine.

> **NCT02052726** · PHASE1 · COMPLETED · sponsor: **Pfizer** · enrollment: 184 (actual)

## Conditions studied

- Clostridium Difficile

## Interventions

- **BIOLOGICAL:** C. difficile vaccine with adjuvant
- **BIOLOGICAL:** Placebo
- **BIOLOGICAL:** C. difficile vaccine with adjuvant
- **BIOLOGICAL:** placebo

## Key facts

- **NCT ID:** NCT02052726
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-01-22
- **Primary completion:** 2015-05-02
- **Final completion:** 2015-05-05
- **Target enrollment:** 184 (ACTUAL)
- **Last updated:** 2018-12-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02052726

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02052726, "A Study To Investigate A Clostridium Difficile Vaccine In Healthy Adults Aged 50 To 85 Years, Who Will Each Receive 3 Doses Of Vaccine.". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02052726. Licensed CC0.

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