Bezlotoxumab as Secondary Prophylaxis for C. Difficile in High-risk Hospitalized Patients Exposed to Antibiotics.

  • STATUS
    Recruiting
  • End date
    Sep 15, 2023
  • participants needed
    50
  • sponsor
    Montefiore Medical Center
Updated on 29 June 2022

Summary

This study will examine whether the human monoclonal antibody, bezlotoxumab administered AFTER acute Clostridioides difficile (C.diff) has resolved, but during a period of subsequent antibiotic therapy, will eliminate the high risk of C. diff relapse.

Description

Clostridioides difficile (C. diff) is a germ (bacteria) that causes life-threatening diarrhea. It is usually a side-effect of taking antibiotics that affect the normal balance of bacteria in the intestines. When the "good bacteria" in the intestine are killed by antibiotics, the C.diff bacteria begin to grow and produce toxins, causing frequent diarrhea and other symptoms such as abdominal pain or tenderness, loss of appetite, low-grade fever, nausea and vomiting. C. diff can be treated by using special antibiotics, but it tends to come back in about 20% of patients. C-diff is problematic because of frequent relapses after apparent cure. The greatest risk factor for relapse is receipt of subsequent antibiotics, in the hospital, shortly after being treated.

Zinplava™(bezlotoxumab) is an FDA approved human monoclonal antibody designed to prevent the recurrence of C.diff.This is not an antibiotic, as it does not kill C. diff, but is an antibody to C. diff toxins, which stops the damage. When Bezlotoxumab is given during a C. diff infection together with antibiotics to kill C. diff, it decreases the risk that C. diff will come back by about one-half. Bezlotoxumab is approved for use when given during a C. diff infection, but it has not been used to prevent C diff in other situations, such as the one being studied in this research.

Details
Condition Clostridium Difficile
Treatment Bezlotoxumab
Clinical Study IdentifierNCT03937999
SponsorMontefiore Medical Center
Last Modified on29 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

C diff diagnosed within 90 days
Receipt of high-risk antibiotics for C diff (e.g. Beta-lactams, carbapenems) in an inpatient setting
Age 60 years and older

Exclusion Criteria

Receipt of current C.diff active antibiotics (oral vancomycin, fidaxomycin, metronidazole, tigecycline/ doxycycline, nitazoxanide, rifamycin) within 72hrs
Not Expected to survive 8 weeks
Prior or planned fecal microbiota transplant or Bezlotoxumab use
Congestive heart failure (a potential risk of Bezlotoxumab)
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