- ICH GCP
- Yhdysvaltain kliinisten tutkimusten rekisteri
- Kliininen tutkimus NCT00901316
Prevention of Recurrent Infections Caused by Community Acquired Staphylococcus Aureus (CA-SA) in Children
Prevention of Recurrent Infections Caused by Community-Acquired Staphylococcus in Children 3 Months to 18 Years
Tutkimuksen yleiskatsaus
Tila
Yksityiskohtainen kuvaus
In many areas of the United States, methicillin-resistant Staphylococcus aureus is now an established community pathogen (CA-MRSA). At Texas Children's Hospital (TCH), about 75% of S. aureus isolates recovered from healthy children with infections are CA-MRSA and > 90% of the CA-MRSA isolates are related to one clone, USA300, which also predominates throughout the U.S. From 8/05 to 7/06, 1400 children with CA-MRSA infection were seen at TCH; 60% were admitted to the hospital. Why the USA300 clone is so successful in spreading throughout the community is unclear, but it does harbor a unique set of genes not found in other S. aureus clones. The anterior nose in the most common area of the body colonized with S. aureus but it is not known if this is the primary site for colonization by CA-MRSA USA300 clone.
Approximately 3.5% of children at TCH have a proven recurrence of S. aureus infection within 12 months; we believe this is a minimal estimate and that overall at least 10% of children have recurrences. There is no consensus on the best strategies for preventing recurrent S. aureus infections or spread of S. aureus among family members. At TCH, in addition to routine preventative measures, we often recommend for the patients to take a bath at least twice a week in water to which one teaspoon of household bleach (Clorox) has been added per gallon of water. Anecdotally this approach has decreased the recurrence rate of S. aureus infections, but this common strategy among dermatologists has not been formally evaluated and is thus controversial.
Objectives
The primary objective is to test the hypothesis that in children who have a community-acquired Staphylococcus aureus (CA-SA) infection, sodium hypochlorite baths (Clorox) are a safe and effective component of a prevention strategy that will reduce recurrent medically attended skin and soft tissue infection (MA-SSI).
Specific Aims
- Determine the recurrence rate (over a 12 month period) of medically attended skin and soft tissue infection visits in children initially evaluated in the TCH Emergency Center for whom a 3 month prevention strategy includes taking a bath twice a week in water to which sodium hypochlorite (Clorox) has been added and the recurrence rate in children for whom a similar prevention strategy has been recommended but without the bath component.
- Determine the recurrence rate (over a 12 month period) of skin and soft tissue infection caused by CA-S. aureus in children for whom a 3-month prevention strategy includes taking a bath twice a week in water to which sodium hypochlorite (Clorox) has been added and the recurrence rate in children for whom a similar prevention strategy has been recommended but without the bath component.
- Determine the + rates of S. aureus colonization of the anterior nares, pharynx, and groin for children being evaluated in the emergency center of Texas Children's Hospital (TCH) or admitted to TCH with suspected S. aureus infections.
Opintotyyppi
Ilmoittautuminen (Todellinen)
Vaihe
- Ei sovellettavissa
Yhteystiedot ja paikat
Opiskelupaikat
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-
Texas
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Houston, Texas, Yhdysvallat, 77030
- Baylor College of Medicine
-
Houston, Texas, Yhdysvallat, 77030
- Texas Children's Hospital
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Osallistumiskriteerit
Kelpoisuusvaatimukset
Opintokelpoiset iät
Hyväksyy terveitä vapaaehtoisia
Sukupuolet, jotka voivat opiskella
Kuvaus
Inclusion Criteria:
- Otherwise healthy children 3 months to 18 years seen in the emergency center of Texas Children's Hospital with suspected CA-S. aureus infections
- Have a lesion which can be cultured (abscess or cellulitis with drainage, invasive infections)
- Can be evaluated and treated in the emergency center and be followed as outpatients
- Can be admitted to the hospital
Exclusion Criteria:
- Children less than 3 months old or greater than 18 years
- Immune deficiency or underlying condition other than reactive airway disease or simple eczema which is not being followed by a dermatologist
- Patient has a history of 2 or more previous skin or soft tissue infections
- Children with one previous episode whose family may have already employed the sodium hypochlorite baths
- Families without a bathtub or running water
- Families without a phone or primary care physician
- Families unable or unwilling to comply with the prevention measures
- Hypersensitivity to sodium hypochlorite
Opintosuunnitelma
Miten tutkimus on suunniteltu?
Suunnittelun yksityiskohdat
- Ensisijainen käyttötarkoitus: Hoito
- Jako: Satunnaistettu
- Inventiomalli: Rinnakkaistehtävä
- Naamiointi: Ei mitään (avoin tarra)
Aseet ja interventiot
Osallistujaryhmä / Arm |
Interventio / Hoito |
---|---|
Kokeellinen: Routine Measures
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Cultures will be obtained from the anterior nares of the nose, the throat and the groin using separate culturette swabs.
S. aureus isolates will be identified and antibiotic susceptibility determined.
Isolates will subsequently undergo testing for susceptibility to methicillin to determine if the isolate is an MSSA or MRSA strain.
All patients and parents will be instructed orally and provided written instructions about routine measures employed for the prevention of S. aureus skin infections.
Please see supplemental material from the publication Randomized Trial of "Bleach Baths" plus Routine Hygienic Measures vs Routine Hygienic Measures Alone for Prevention of Recurrent Infections Clinical Infectious Diseases 2014;58:679-682 for the details regarding routine measures.
Muut nimet:
|
Kokeellinen: Bleach Baths
|
Cultures will be obtained from the anterior nares of the nose, the throat and the groin using culturette swabs.
S. aureus isolates will be identified and antibiotic susceptibility determined.
Isolates will subsequently undergo testing for susceptibility to methicillin to determine if the isolate is an MSSA or MRSA strain.
Patients and parents will be instructed orally and provided written instructions about routine measures employed for the prevention of S. aureus skin infections.
Patients will be given further oral and written instructions regarding clorox baths.
Please see supplemental material from the publication Randomized Trial of "Bleach Baths" plus Routine Hygienic Measures vs Routine Hygienic Measures Alone for Prevention of Recurrent Infections Clinical Infectious Diseases 2014;58:679-682 for the details regarding instructions for bleach baths.
Muut nimet:
|
Mitä tutkimuksessa mitataan?
Ensisijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
---|---|---|
Medically Attended Skin and Soft Tissue Infections (MA-SSI)
Aikaikkuna: From time of enrollment until the first MA-SSI or 12 months following enrollment, whichever came first.
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Medically attended skin and soft tissue infections (MA-SSI) which is defined as a skin or soft tissue infection that has been evaluated and treated by a medical professional in an office, clinic, urgent care or emergency center setting.
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From time of enrollment until the first MA-SSI or 12 months following enrollment, whichever came first.
|
Yhteistyökumppanit ja tutkijat
Sponsori
Tutkijat
- Päätutkija: Sheldon L Kaplan, MD, Baylor College of Medicine
Julkaisuja ja hyödyllisiä linkkejä
Hyödyllisiä linkkejä
Opintojen ennätyspäivät
Opi tärkeimmät päivämäärät
Opiskelun aloitus
Ensisijainen valmistuminen (Todellinen)
Opintojen valmistuminen (Todellinen)
Opintoihin ilmoittautumispäivät
Ensimmäinen lähetetty
Ensimmäinen toimitettu, joka täytti QC-kriteerit
Ensimmäinen Lähetetty (Arvio)
Tutkimustietojen päivitykset
Viimeisin päivitys julkaistu (Arvio)
Viimeisin lähetetty päivitys, joka täytti QC-kriteerit
Viimeksi vahvistettu
Lisää tietoa
Tähän tutkimukseen liittyvät termit
Avainsanat
Muita asiaankuuluvia MeSH-ehtoja
Muut tutkimustunnusnumerot
- Thrasher21631
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