CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 48 enrolled
Drug / intervention
Vaccine diluent buffer (Placebo) +3 morebiological
Likely dose
C. difficile toxoid vaccine 2 µg, 10 µg, or 50 µg intramuscularly on days 0, 28, and 56AI-extracted
Key inclusion· 5
  • Age ≥65 years
  • Good general health status
  • Clinical laboratory tests within normal range
  • Females must be post-menopausal
Key exclusion· 11
  • Evidence of current or past C. difficile infection
  • History of antibiotic-associated diarrhea
  • Active or inactive inflammatory bowel disease, irritable bowel syndrome, chronic abdominal pain, or chronic diarrhea
  • History of malignancy within 5 years

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00214461
NCT00214461Phase 1Completed

A Phase I Randomized, Placebo-Controlled, Double-Blind, Dose Ranging Study of the Safety, Tolerability and Immunogenicity of a Clostridium Difficile Toxoid Vaccine, Alum Adsorbed, in Healthy Elderly Volunteers (> or =65 Years)

Sanofi·interventional·Posted Sep 22, 2005·Updated Apr 11, 2012

In Brief

A Phase 1 clinical trial evaluating Vaccine diluent buffer (Placebo), C. difficile toxoid vaccine (2 µg), and 2 other interventions for Clostridium Infections. Completed, enrolled 48 participants across 2 sites.

Detailed Summary

The purpose of this study is to determine the safety and tolerability of a modified C. difficile vaccine at 3 dose levels compared with a placebo control administered via intramuscular injection in healthy elderly subjects aged \> or = 65 years. This is the companion study to H-030-008, in which healthy younger adults have already been dosed.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 1CompletedFinished
2006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedSep 22, 2005
Enrollment StartNov 1, 2005
Primary CompletionFeb 1, 2006
TodayJul 2, 2026
Enrollment to primary: 3 monthsPosted 20.8 years ago

Interventions

Vaccine diluent buffer (Placebo)biological

0.5 mL, Intramuscular on Day 0, Day 28, and Day 56, respectively.

C. difficile toxoid vaccine (2 µg)biological

0.5 mL, Intramuscular on Day 0, Day 28, and Day 56, respectively.

C. difficile toxoid vaccine (10 µg)biological

0.5 mL, Intramuscular on Day 0, Day 28 and Day 56, respectively.

C. difficile toxoid vaccine (50 µg)biological

0.5 mL, Intramuscular on Day 0, Day 28, and Day 56, respectively.