Clin2
NCT07282665Possibly a fitRecruiting

Vaccine to prevent C. difficile infection in adults 65 and older

Clostridoides Difficile Associated Disease

Part of Immune system & allergy, Infections clinical trials.

This study tests a vaccine that may help protect against a serious gut infection called C. difficile, which often happens after antibiotics or hospital stays. If you are 65 or older and have certain health conditions or recent antibiotic use, you may be able to join.

Summary written for real people, not researchers, by Clin2.

Phase
Phase 3
Enrollment
32,500 people
Ages
65 years and older
Study type
Interventional

Who can take part

  • You are 65 years of age or older.
  • You have had recent contact with a hospital or clinic, or you have taken antibiotics recently, or you have a chronic medical condition.
  • You have never had a C. difficile infection before.
  • You have not had surgery to remove part of your small or large intestine.
  • You do not have frequent diarrhea (three or more loose stools a day, more than once a month).
  • You have not already received a C. difficile vaccine or antibody treatment.

View the official record on ClinicalTrials.gov

Quick eligibility check

Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.

Similar studies

Other trials that look related to this one.

NCT06979609Recruiting· Phase 2/Phase 3
Preventing C. diff infection with vancomycin

This trial tests whether taking vancomycin by mouth can prevent another C. diff infection when you need to take other antibiotics. It’s for patients who recently had C. diff and are about to start a new antibiotic course.

Montreal, Quebec
NCT06237452Recruiting· Phase 3
VE303 to prevent repeat C. diff infections

This trial tests a new medicine called VE303, a live bacterial therapy, to prevent C. diff infections from coming back. It is for people who have had C. diff at least once in the last 6 months, or who are at high risk for a repeat infection due to age or other health problems.

Huntsville, Alabama
NCT06702345Not yet recruiting
C. difficile infection study in healthy volunteers

This trial studies how Clostridioides difficile (C. diff) affects healthy people by intentionally giving a controlled dose. The goal is to understand the infection better and help develop future treatments or vaccines.

Leiden, South Holland
NCT07285213Recruiting· Phase 2
Preventing C. diff return with an antibody

This study tests a new antibody (AZD5148) to prevent C. diff infection from coming back. If you have a current C. diff infection and are being treated with antibiotics, you may be able to join.

Phoenix, Arizona
NCT07221370Recruiting· Phase 2/Phase 3
Vancomycin to prevent C. diff infection in ICU patients

This trial tests whether giving vancomycin through a tube into the stomach can prevent a serious gut infection called C. diff in people who are very sick in the ICU and taking antibiotics. If you qualify, you might receive this medicine to lower your risk.

Moreno Valley, California
NCT05266807Recruiting· Phase 3
Capsule fecal transplant to prevent C. difficile coming back

This study tests whether taking a capsule form of fecal microbiota transplant (FMT) can help adults with their first C. difficile infection—or a first relapse—get better and reduce repeat episodes. Participants also take specific antibiotics for C. difficile as part of the study process.

Basel, Basel

Hear when a new Clostridoides Difficile Associated Disease trial opens

We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.