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C. Difficile clinical trials

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NCT ID: NCT05389904 Recruiting - C. Difficile Clinical Trials

Pre-emptive Prevention for Patients at High Risk for Hospital-onset Clostridioides Difficile

Start date: July 25, 2022
Phase: N/A
Study type: Interventional

Clostridioides difficile (C. difficile) is the most common healthcare-associated pathogen, causing >500,000 infections and >29,000 deaths per year in the US. Traditional approaches to reduce hospital-onset CDI focus on identifying, isolating, and treating symptomatic patients to prevent transmission to other patients. Recent genomic epidemiology studies, however, suggest that most hospital-onset CDI cases are attributable to asymptomatic carriers who either progress from colonization to active infection themselves or transmit C. difficile to other patients while asymptomatic. This trial will evaluate an intervention to pre-emptively identify asymptomatic C. difficile carriers and then implement a patient-tailored prevention package to protect the carrier from progression to active infection and to prevent transmission from the carrier to other patients.

NCT ID: NCT03497806 Completed - Clinical trials for Clostridium Difficile Infection

Open-Label Extension of CP101 Trials Evaluating Oral Full-Spectrum Microbiotaâ„¢ (CP101) in Subjects With Recurrence of Clostridium Difficile Infection

PRISM-EXT
Start date: May 1, 2018
Phase: Phase 2
Study type: Interventional

This is an open-label study evaluating the safety and efficacy of CP101 treatment in 1) Subjects in CDI-001 who had a CDI recurrence within 8 weeks of receiving CP101 or placebo; OR 2) adults with recurrent CDI who are eligible for direct study entry into CP101-CDI-E02. Subjects who are experiencing recurrent CDI will undergo screening procedures. Subjects who meet eligibility criteria will be eligible to be enrolled in he study and administered CP101. Approximately 200 subjects will receive CP101. The treatment duration will be 1 day. Subjects will be monitored for recurrence of CDI, safety, and tolerability for 24 weeks following receipt of CP101. The primary efficacy and safety endpoints will be evaluated at 8 weeks post treatment, and all subjects will continue to be followed for an additional 16 weeks for safety and recurrence of CDI.

NCT ID: NCT02462590 Completed - Diarrhea Clinical Trials

Probiotics to Prevent Severe Pneumonia and Endotracheal Colonization Trial

PROSPECT
Start date: June 2015
Phase: Phase 4
Study type: Interventional

Probiotics are commercially available live bacteria thought to have health benefits when ingested. A literature review of probiotic studies in the intensive care unit (ICU) found that in patients who receive probiotics, there is a 25% reduction in lung infection, known as ventilator-associated pneumonia (VAP). There is also an 18% reduction in the chance of developing any infection in the ICU. However, the studies reviewed were small and not well done. Therefore, whether probiotics are really helpful or not is unclear. Before a large carefully performed study is done to evaluate the effects of probiotics in critically ill patients, a pilot trial was needed. The Investigators completed a multicenter pilot RCT for which the primary outcomes relate to feasibility. Feasibility goals were met. 1) Recruitment for the Pilot was achieved in 1 year; 2) Adherence to the protocol was 96%; 3) There were no cases of contamination; 4) The VAP rate was 15%. This study is very important in the ongoing search for more effective strategies to prevent serious infection during critical illness. Probiotics may be an easy-to-use, readily available, inexpensive approach to help future critically ill patients around the world.

NCT ID: NCT02449174 Completed - C. Difficile Clinical Trials

Fecal Microbiota Transplantation to Treat Recurrent C. Difficile Associated Diarrhea Via Retention Enema or Oral Route

Start date: March 17, 2015
Phase: Phase 1/Phase 2
Study type: Interventional

The objective of the study is to investigate the safety of a frozen or lyophilized inoculum administered, respectively, by retention enema or capsules in patients with recurrent C. difficile associated diarrhea (RCDAD). This is a single center, randomized, parallel assignment, open label safety study conducted in subjects with RCDAD. Fifty subjects will be enrolled in the study and randomized at 1:1 ratio to receive frozen filtered intestinal bacteria via retention enema or lyophilized donor intestinal bacteria. All subjects will be followed for a total of 3 years after study completion. Donors will be enrolled and screened at the laboratory in the Center for Infectious Diseases at University of Texas School of Public Health (UT-SPH). The donors will come from a variety of places, including the UT-SPH. At least 20 donors will be screened to recruit at least 15 qualified donors. Recipients may self-refer but must have a physician who agrees to accept care of the patient following fecal microbiota transplantation (FMT). Subjects consenting to treatment at Baylor St. Luke's Medical Center (BSLMC) and the UT-SPH must be willing to self-pay for the FMT in the amount of $1,500. There will be no insurance accepted. Subjects undergoing retention enema will be treated as outpatients at either at BSLMC, Kelsey-Seybold Clinic, or at the Memorial Hermann in the Texas Medical Center. All subjects taking capsules with lyophilized intestinal bacteria will be seen at UT-SPH. Once the procedure is completed, the recipient's care will be returned to their physician. At least 75 recipients will be screened to recruit 50 qualified recipients. The primary endpoint is to evaluate the safety of FMT by rectal or oral routes with secondary endpoint related to efficacy prevention of RCDAD. In order to monitor any health effects for safety, participants will be contacted pre- and 7, 14, 30 days, then monthly basis for the first 90 days after FMT and quarterly till 3 years after FMT. The following procedures will be completed: review recipient diary with the recipient to ensure that the following information is recorded correctly and a fresh stool sample will be collected from recipient, tested for C. difficile toxins and an aliquot (2mL) stored at -80C for microbiome analysis. Recipients will be contacted by phone for their diarrhea status on monthly basis till 90 days after FMT, then on quarterly basis till 3 years after FMT.

NCT ID: NCT02112279 Recruiting - C-difficile Clinical Trials

Reduction of C-Difficile Infection Using Stool Transplant

FMT
Start date: April 2014
Phase: Phase 1
Study type: Interventional

Clostridium-difficile (C-difficile) is a gram positive anaerobic spore-forming bacterium that can lead to severe diarrhea and pseudomembranous colitis. According to Schroeder (2005), there are approximately 3 million cases annually with a mortality rate of 1-2.5 %. It is most often associated with overuse of antibiotics. According to Bartlett & Gerding (2008), 15-25% of anti-microbial-associated diarrhea is caused by C-difficile. The purpose of this study is to determine if donor fecal microbiota transplant via colonoscopy reduces refractory C-difficile infection better than current routine methods such as continued antibiotic treatment. Specifically, we hypothesize that fecal microbiota transplant via colonoscopy will result in a higher C-difficile cure rate in affected patients versus care as usual in a retrospective cohort.

NCT ID: NCT02057198 Completed - Diarrhea Clinical Trials

Impact of Oral Antibiotic Treatment on C. Difficile

C-Diff
Start date: June 10, 2014
Phase: Phase 4
Study type: Interventional

The overall aim is to characterize and to compare the extent and quantity of C. difficile stool shedding, perianal colonization and environmental contamination in patients who received oral fidaxomicin, oral metronidazole, or oral vancomycin. This is a prospective, randomized, microbiologic and molecular, study of environmental contamination from patients with proven C. difficile associated diarrhea (CDAD).

NCT ID: NCT01782755 Completed - Clinical trials for Antibiotic-Associated Diarrhea

Probiotics: Prevention of Severe Pneumonia and Endotracheal Colonization Trial (PROSPECT): A Feasibility Clinical Trial

PROSPECT
Start date: October 2013
Phase: Phase 2
Study type: Interventional

Probiotics are commercially available live bacteria thought to have health benefits when ingested. A literature review of probiotic studies in the intensive care unit (ICU) found that in patients who receive probiotics, there is a 25% reduction in lung infection, known as ventilator-associated pneumonia (VAP). There is also an 18% reduction in the chance of developing any infection in the ICU. However, the studies reviewed were small and not well done. Therefore, whether probiotics are really helpful or not is unclear. Before a large carefully performed study is done to evaluate the effects of probiotics in critically ill patients, a pilot trial is needed. The investigators plan to study the feasibility of such a trial in mechanically ventilated ICU patients in 11 ICUs in Ontario, investigating whether orally ingested L. rhamnosus GG (a common probiotic) prevents VAP and other infections. The 4 goals of the pilot study will be to ensure that we can successfully enrol patients; follow the protocol faithfully; make sure patients don't receive additional probiotics, and estimate how much pneumonia exists in these patients. In a separate substudy, the investigators will evaluate the effects of probiotics on lower lung infiltration with potential harmful bacteria, stool bacteria, markers of immunity called cytokines, and markers of infection called endotoxin levels. The investigators plan to enroll 150 adults admitted to ICU and receiving mechanical ventilation. Following informed consent, patients will be randomized to either L. rhamnosus GG group or an identical placebo. Twice daily, patients will receive probiotics or placebo in a feeding tube. The investigators will record all infections and other important outcomes in the ICU. This study is very important in the ongoing search for more effective strategies to prevent serious infection during critical illness. Probiotics may be an easy-to-use, readily available, inexpensive approach to help future critically ill patients around the world.

NCT ID: NCT01622595 Withdrawn - Aspergillosis Clinical Trials

UARK 2009-99 A Non-interventional Observational Study of Infectious Complications in Cancer Patients

Start date: November 2009
Phase: N/A
Study type: Observational

OBSERVATIONAL STUDY OF INFECTIOUS COMPLICATIONS IN CANCER PATIENTS