- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02611648
Duodenoscope Disinfect Study
Prospective Randomized Double-blinded Trial Comparing Three Duodenoscope High- Level Disinfection and Sterilization Procedures
This study is investigating the most effective way to sterilize duodenoscopes ("scopes") used at Beth Israel Deaconess Medical Center (BIDMC). Right now, BIDMC uses the standard method of high level disinfection to sterilize scopes. Because infections have been passed by scopes at other institutions in the U.S., the investigators are exploring whether or not adding two different sterilization processes will reduce this risk of contamination.
Bacteria may be passed from a patient's intestines to the scope. Or, if the scope is contaminated, bacteria may be passed from the scope to the patient. In order to understand how bacteria are passed, the investigators will be taking samples of the patient's intestinal bacteria to compare to the bacteria, if any, found on the scope.
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Design
This study is designed to evaluate the effect of supplementing standard high-level disinfection with additional high level-disinfection or sterilization procedures on the frequency of duodenoscopes contamination. Duodenoscopes will be randomly assigned to one of three arms:
- Standard high-level disinfection currently performed at BIDMC (standard HLD)
- Standard high-level disinfection with an additional exposure time to disinfectant (double HLD)
- Standard high-level disinfection followed by ethylene oxide (HLD/ETO)
The study will be conducted with the following elements:
- All duodenoscopes will be randomly assigned to a study arm before the duodenoscope is used for an Endoscopic Retrograde Cholangiopancreatogram (ERCP) procedure included in the study, including duodenoscopes introduced during the study.
- All duodenoscopes used for ERCP will have the following cultures obtained in a sterile fashion
- Patient study consent for obtaining patient rectal surveillance and clinical cultures will be obtained at the time of ERCP procedure consent among all patients undergoing ERCP. Patients will be blinded to duodenoscope disinfection/sterilization assignment.
- The ERCP procedure will be performed according to standard clinical practice. Among patients consenting to specimen collection, a duodenal aspirate will be obtained during the procedure.
- Among consenting patients, a rectal surveillance swab will be collected post-procedurally by ERCP staff.
- After ERCP completion, current BIDMC-employed trained technicians will perform the assigned disinfection/sterilization procedure.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- A duodenoscope used for any intended ERCP procedure will be included in the study
- All adult patients (age ≥18 years) scheduled to undergo ERCP will be offered participation in patient specimen collection component of the study
Exclusion Criteria:
- Patients in whom ERCP or endoscopy with a duodenoscope is medically contra-indicated will not be included in the patient specimen collection portion of the study
- Patients with surgically altered anatomy in whom ERCP is performed using an enteroscope (and not a duodenoscope) will not be included in the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: standard HLD
Standard high-level disinfectant (metricide ortho-phthalaldehyde) currently performed at BIDMC (standard HLD)
|
|
Experimental: double HLD
Double the exposure time of the standard high level disinfectant (metricide ortho-phthalaldehyde)
|
Standard high level disinfectant (metricide ortho-phthalaldehyde) with an additional exposure time to disinfect
|
Experimental: HLD/ETO
Standard high level disinfectant (metricide ortho-phthalaldehyde) followed by ethylene oxide
|
Standard high level disinfectant (metricide ortho-phthalaldehyde) followed by ethylene oxide
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frequency of contaminated duodenoscopes after using three different types of disinfection processes
Time Frame: 6 months
|
Compare the frequency of duodenoscope contamination after reprocessing using 3 different methods: standard high-level disinfection procedure with ortho-phthalaldehyde (standard HLD), double cycle of standard high-level disinfection (double HLD), and standard high-level disinfection followed by ethylene oxide (ETO) gas sterilization (HLD/ETO)
|
6 months
|
Collaborators and Investigators
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 2015P000263
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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