Randomized Controlled Trial of Standard Versus Systemic Decolonization Therapy for the Eradication of Methicillin-resistant Staphylococcus Aureus (MRSA) Colonization

February 12, 2020 updated by: Duncan Webster, Horizon Health Network

Randomized Controlled Trial of Chlorhexidine Gluconate, Intranasal Mupirocin, Rifampin and Doxycycline Versus Chlorhexidine Gluconate and Intranasal Mupirocin Alone for the Eradication of Methicillin-resistant Staphylococcus Aureus Among an Ambulatory Patient Population

MRSA decolonization may reduce the risk of subsequent MRSA infection and further transmission. A recent randomized controlled trial demonstrated that systemic decolonization may be safe and effective among hospitalized patients when compared to no treatment. As a large number of the investigators patients require re-admission and further transmission may take place in the community, the investigators are comparing the standard decolonization protocol for MRSA eradication to the systemic decolonization protocol among an ambulatory population.

Standard decolonization protocols, which use only topical agents, are limited in efficacy. The method of systemic decolonization to be studied here appears to have greater efficacy than the standard approach using only topical agents. However, concerns have been raised that the increased use of systemic antibiotics may lead to increased levels of drug resistance adverse effects, without sustained decolonization. This study seeks to provide further data to help answer these questions and provide guidance for further policy development and implementation.

Study Overview

Study Type

Interventional

Enrollment (Actual)

100

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • New Brunswick
      • Saint John, New Brunswick, Canada, E2L4L2
        • Saint John Regional Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Any patient colonized with MRSA

Exclusion Criteria:

  • Currently on treatment with antibiotics
  • Pregnant or breastfeeding women
  • Active infection
  • Hepatic cirrhosis or abnormal INR due to liver disease
  • Decolonization in the previous two (2) months
  • MRSA bacteria resistant to one or more of the study medications
  • AST and ALT levels more than five times the upper limit of normal.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Systemic decolonization
7-day course of 4% chlorhexidine gluconate daily washes and 2% mupirocin ointment to the anterior nares twice daily in addition to oral rifampin (600mg daily), and doxycycline (100mg twice daily)
600mg po once daily x 7 days
100mg po twice daily x 7 days
~ 1cm applied to the anterior nares twice daily for 7 days
Daily full body wash (including hair) for 7 days
Active Comparator: Standard decolonization
7-day course of 2% mupirocin ointment to the anterior nares twice daily and 4% chlorhexidine gluconate washes once per day.
~ 1cm applied to the anterior nares twice daily for 7 days
Daily full body wash (including hair) for 7 days

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Rates of sustained decolonization at 1 month, 3 months, 6 months and 12 months
Time Frame: 12 months
To compare standard versus systemic decolonization for their ability to sustain MRSA decolonization up to one year post-decolonization.
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes in susceptibility patterns of MRSA isolates.
Time Frame: 12 months
Study isolates will be evaluated with regards to mupirocin, rifampin and tetracycline resistance patterns, where individuals remain colonized, or re-colonize subsequent to implementation of the decolonization protocol.
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Duncan Webster, MA, MD, Horizon Health Network

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2008

Primary Completion (Actual)

December 31, 2019

Study Completion (Actual)

December 31, 2019

Study Registration Dates

First Submitted

September 21, 2011

First Submitted That Met QC Criteria

September 21, 2011

First Posted (Estimate)

September 22, 2011

Study Record Updates

Last Update Posted (Actual)

February 17, 2020

Last Update Submitted That Met QC Criteria

February 12, 2020

Last Verified

February 1, 2020

More Information

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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