Study of a Clostridium Difficile Toxoid Vaccine (ACAM-CDIFF™) in Subjects With Clostridium Difficile Infection

Diarrhea Clinical Trial

Official title: A Phase II Randomized, Placebo-Controlled, Double-Blind, Dose Ranging Study of A Clostridium Difficile Toxoid Vaccine (ACAM-CDIFF™) in Subjects With Clostridium Difficile Infection (CDI)

Status Completed

Clinical Trial Summary

Primary objective: To compare the event rate of CDI in groups assigned to ACAM-CDIFF™ vaccine versus placebo in the 9 week period after the third dose of the study vaccine in subjects with first episode of CDI receiving antibiotics standard of care.

Secondary objective: To evaluate the safety of all dose groups of ACAM-CDIFF™ vaccine versus placebo in subjects with first episode of CDI receiving antibiotics standard of care.

Clinical Trial Description

This study is designed primarily to obtain information on the preliminary efficacy, safety and immunogenicity of ACAM-CDIFF™ vaccine, as compared to placebo in subjects who are experiencing their first event of CDI and are being treated with the antibiotic standard of care. This study will be conducted in the United States and United Kingdom. Adult subjects with limited chronic disease, who are currently receiving treatment for their first episode of CDI will be enrolled in this trial. Subjects will be required to be able to take oral antibiotics. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Factorial Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

• Clostridium Difficile Infection
• Communicable Diseases
• Diarrhea
• Infection

• NCT number: NCT00772343
• Study type: Interventional
• Source: Sanofi
• Status: Completed
• Phase: Phase 2
• Start date: February 2009
• Completion date: June 2012