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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01814371
Other study ID # R01HS021736
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date April 2013
Est. completion date November 28, 2017

Study information

Verified date February 2019
Source Washington University School of Medicine
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this research study is to compare the effectiveness of commonly used decolonization treatments (application of mupirocin antibiotic ointment to the nose and bleach baths) when performed by individuals with a history of skin and soft tissue infection (SSTI) in the prior year (individualized approach) in comparison to decolonization of all household members (household approach) in an attempt to prevent Staphylococcus aureus skin infections. The investigators hypothesize an individualized decolonization approach will be equally as effective as a household approach to prevent SSTI.


Description:

Methicillin-resistant Staphylococcus aureus (MRSA) was once uniformly associated with hospital-acquired infections; however, MRSA strains have emerged that thrive outside the hospital environment, causing significant morbidity and mortality among immunocompetent individuals, leading to their designation as community-acquired methicillin resistant Staphylococcus aureus (CA-MRSA).

There is no available vaccine against S. aureus. Thus, other preventive measures, including topical antimicrobial therapies, have been used in an attempt to prevent staphylococcal infections. These therapies include mupirocin (a topical antibiotic with activity against MRSA) and dilute bleach water baths. The effectiveness of these measures directed at patients colonized with traditional MSSA and HA-MRSA strains in an attempt to prevent nosocomial infections varies across studies, and maintenance of eradication diminishes over time. With the emergence of the CA-MRSA epidemic, these measures have been extrapolated to patients in community settings. We aim to find a practical approach to decolonization which patients can feasibly perform at home to reduce the incidence of skin and soft tissue infections(SSTI).

Specific Aim: Compare the effectiveness of decolonization of individuals with a history of SSTI in the prior year (individualized approach) to decolonization of all household members (household approach) in reducing the incidence of recurrent SSTI. Primary hypothesis: An individualized decolonization approach will be equally as effective as decolonization of all household members to prevent SSTI. Secondary hypothesis: Application of mupirocin to the anterior nares twice daily for 5 days will not result in a higher prevalence of colonization with mupirocin-resistant strains at subsequent longitudinal samplings.


Recruitment information / eligibility

Status Completed
Enrollment 474
Est. completion date November 28, 2017
Est. primary completion date February 26, 2017
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- Individuals who are enrolled in a 12-month observational study entitled "The Community-Associated Methicillin-Resistant Staphylococcus aureus Among Household Members and the Home Environment Study."

Exclusion Criteria:

- Households in which all members experienced SSTI during the 12-month observational study

- Individuals with known allergies to mupirocin or bleach (sodium hypochlorite)

Study Design


Intervention

Drug:
2% mupirocin ointment
Participants over 1 month of age, apply ointment to the anterior nares twice daily for 5 days.
Other:
Bleach Bath (dilute)
Participants over 1 month of age, pour 1/4 cup of bleach into a bath tub filled 1/4 full of water. Soak in bath for 15 minutes daily for 5 days.
Behavioral:
Hygiene Protocol
Follow key hygiene tips: Throw out all lotions or creams that you dip your hands into and replace with pumps or pour bottles. Use liquid(pour or pump) soaps instead of bar soaps. Wash hands frequently or use hand sanitizer(with more than %60 alcohol) such as Germ-X or Purell. Do not share personal care items such as razors, brushes, or deodorant. Wash all sheets and towels in hot water. Wash sheets every week. Use towels and wash cloths only once before washing and do not share.

Locations

Country Name City State
United States Washington University School of Medicine Saint Louis Missouri

Sponsors (1)

Lead Sponsor Collaborator
Washington University School of Medicine

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Participants With Incidence of SSTI at 3 Months After Decolonization Cumulative Number of Participants with SSTI at any time during the 3 Months following Decolonization protocol 3 months after enrollment
Secondary Number of Participants With Incidence of SSTI at 1 Month After Decolonization Cumulative Number of Participants with SSTI at any time during the 1 Month following Decolonization protocol 1 month after enrollment
Secondary Number of Participants With Incidence of SSTI at 6 Months After Decolonization Cumulative Number of Participants with SSTI at any time during the 6 Months following Decolonization protocol 6 months after enrollment
Secondary Number of Participants With Incidence of SSTI at 9 Months After Decolonization Cumulative Number of Participants with SSTI at any time during the 9 Months following Decolonization protocol 9 months after enrollment
Secondary Number of Participants With Incidence of SSTI at 12 Months After Decolonization Cumulative Number of Participants with SSTI at any time during the 12 Months following Decolonization protocol 12 months after enrollment
Secondary Number of Participants Colonized With MRSA at 1 Month After Decolonization Number of Participants Colonized with MRSA at the 1 Month longitudinal study visit 1 month after enrollment
Secondary Number of Participants Colonized With MRSA at 3 Months After Decolonization Number of Participants Colonized with MRSA at the 3 Month longitudinal study visit 3 months after enrollment
Secondary Number of Participants Colonized With MRSA at 6 Months After Decolonization Number of Participants Colonized with MRSA at the 6 Month longitudinal study visit 6 months after enrollment
Secondary Number of Participants Colonized With MRSA at 9 Months After Decolonization Number of Participants Colonized with MRSA at the 9 Month longitudinal study visit 9 months after enrollment
Secondary Number of Participants Colonized With MRSA at 12 Months After Decolonization Number of Participants Colonized with MRSA at the 12 Month longitudinal study visit 12 months after enrollment
Secondary Number of Participants Who Report Development of Adverse Effects Occurring During Decolonization Period Number of participants who report development of Nasal burning, itching, stinging, or runny nose or Skin itching, dry skin, or rash during the decolonization period. 1 week after enrollment
Secondary Number of All Recovered S. Aureus Isolates With High-level Mupirocin Resistance Number of all recovered S. aureus isolates resistant to mupirocin at the study visit before decolonization protocol and the study visit immediately after decolonization protocol 1 month
Secondary Number of Participants Incurring Economic Burden of Performing Protocol Number of participants incurring additional costs during their compliance with prescribed hygiene measures prescribed with the decolonization regimen: e.g., cost of containers of lotion or bars of soap discarded, cost of new pump or pour lotion or soap purchased, cost of new personal hygiene items or linens, cost of additional loads of laundry 1 month after enrollment
Secondary Number of Participants Reporting a Confirmed MRSA Infection Over the 12-month Longitudinal Study Period. Number of participants reporting the development of a MRSA infection over the year of longitudinal follow-up that has been culture- and physician-confirmed through verification by medical record and culture report. 1 Year
Secondary Number of Participants Adhering to Decolonization Measures Number of participants Adhering to decolonization measures. Defined as reported completion of at least 4 of the 5 assigned days (8 or more mupirocin applications and 4 or more bleach baths) 1 week
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