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Clinical trial

Patient-Centered Comparative Effectiveness Research (CER) Study of Home-based Interventions to Prevent CA-MRSA Infection Recurrence (CAMP-2)

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Last updated:1st Oct 2015

The overall goal of the project is to develop and evaluate a home-based intervention to prevent re-infection and transmission of Community-Acquired Methicillin-resistant Staphylococcus aureus (CA-MRSA) in patients presenting to primary care with skin or soft tissue infections (SSTIs). Centers for Disease Control (CDC) CA-MRSA guidelines include incision and drainage, antibiotic sensitivity testing and antibiogram-directed prescribing. Re-infections are common, ranging from 16% to 43%, and present significant challenges to clinicians, patients and their families. Several decolonization and decontamination interventions have been shown to reduce Hospital-Acquired MRSA (HA-MRSA) re-infection and transmission in intensive care units. Few studies examine the feasibility and effectiveness of these infection prevention interventions into primary care settings, and none employ Community Health Workers (CHWs) or "promotoras" to provide home visits for education and interventions about decolonization and decontamination. This comparative effectiveness research/patient centered outcomes research builds upon a highly stakeholder-engaged community-academic research and learning collaborative, including practicing clinicians, patients, clinical and laboratory researchers, and barbers/beauticians. Clinical Directors Network (CDN), an established, NIH-recognized best practice Federally Qualified Health Center (FQHC) Practice-based Research Network (PBRN), and The Rockefeller University propose to address this question through the completion of four aims: (1) To evaluate the comparative effectiveness of a CHW/Promotora-delivered home intervention (Experimental Group) as compared to Usual Care (Control Group) on the primary patient-centered and clinical outcome (SSTI recurrence rates) and secondary patient-centered and clinical outcomes (pain, depression, quality of life, care satisfaction) using a two-arm randomized controlled trial (RCT). (2) To understand the patient-level factors (CA-MRSA infection prevention knowledge, self-efficacy, decision-making autonomy, prevention behaviors/adherence) and environmental-level factors (household surface contamination, household member colonization, transmission to household members) that are associated with differences in SSTI recurrence rates. (3) To understand interactions of the intervention with bacterial genotypic and phenotypic variables on decontamination, decolonization, SSTI recurrence, and household transmission. (4) To explore the evolution of stakeholder engagement and interactions among patients and other community stakeholders with practicing community-based clinicians and academic laboratory and clinical investigators over the duration of the study period.
 

Study Type: Interventional

Allocation: Randomized

Intervention Model: Parallel Assignment

Masking: Open Label

Primary Purpose: Treatment

Official Title: Patient-Centered Comparative Effectiveness Research (CER) Study of Home-based Interventions to Prevent CA-MRSA Infection Recurrence

Estimated Enrollment: 278

Study Start Date: October 2015

Estimated Study Completion Date: December 2015

Estimated Primary Completion Date: October 2017 (Final data collection date for primary outcome measure)

 

Arms:

Experimental: Decolonization and Decontamination
Index Patients will receive: 1) guidelines-directed care, which may consist of incision, drainage, oral antibiotics, and antibiogram-based antibiotic prescribing, and 2) a home-based intervention implemented by Community Health Workers/Promotoras that includes index patient and household member education and instructions to complete a decolonization and decontamination regimen, along with printed materials describing a standard hygiene protocol for reducing household contamination. Index patients and consenting household members will complete a decolonization regimen consisting of twice-daily application of 2% mupirocin ointment to the anterior nares with a clean cotton applicator for five days, as well as daily bathing with chlorhexidine wash for five days. The household decontamination hygiene protocol includes the use of hand-washing, surface disinfection, and laundering.

No Intervention: Usual Care
Index Patients will receive: 1) guidelines-directed care, which may consist of incision, drainage, and oral antibiotics, as well as antibiogram-based antibiotic prescribing, and 2) printed materials describing a standard hygiene protocol for reducing household contamination.

Category Value
Study start date 2015-10-01

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