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Prevention of Recurrent Infections Caused by Community Acquired Staphylococcus Aureus (CA-SA) in Children

2016年9月19日 更新者:Sheldon Kaplan、Baylor College of Medicine

Prevention of Recurrent Infections Caused by Community-Acquired Staphylococcus in Children 3 Months to 18 Years

The primary purpose of this study is to determine if adding bleach baths to routine ways for prevention of Staph infections is helpful. The amount added is a very weak amount. This would provide a relatively inexpensive method to help prevent recurrent skin infections caused by the Staph germ. The investigators will also be studying how often Staphylococcus aureus lives in the nose, throat, and groin area.

調査の概要

状態

完了

条件

介入・治療

詳細な説明

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

  1. 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.
  2. 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.
  3. 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.

研究の種類

介入

入学 (実際)

987

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

    • Texas
      • Houston、Texas、アメリカ、77030
        • Baylor College of Medicine
      • Houston、Texas、アメリカ、77030
        • Texas Children's Hospital

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

3ヶ月~18年 (子、大人)

健康ボランティアの受け入れ

いいえ

受講資格のある性別

全て

説明

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

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:処理
  • 割り当て:ランダム化
  • 介入モデル:並列代入
  • マスキング:なし(オープンラベル)

武器と介入

参加者グループ / アーム
介入・治療
実験的:Routine Measures
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.
他の名前:
  • Prevention of Infections Caused by CA-SA in Children.
実験的: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.
他の名前:
  • Clorox Baths

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Medically Attended Skin and Soft Tissue Infections (MA-SSI)
時間枠:From time of enrollment until the first MA-SSI or 12 months following enrollment, whichever came first.
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.
From time of enrollment until the first MA-SSI or 12 months following enrollment, whichever came first.

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

捜査官

  • 主任研究者:Sheldon L Kaplan, MD、Baylor College of Medicine

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

便利なリンク

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始

2009年6月1日

一次修了 (実際)

2012年1月1日

研究の完了 (実際)

2013年1月1日

試験登録日

最初に提出

2009年5月11日

QC基準を満たした最初の提出物

2009年5月12日

最初の投稿 (見積もり)

2009年5月13日

学習記録の更新

投稿された最後の更新 (見積もり)

2016年11月6日

QC基準を満たした最後の更新が送信されました

2016年9月19日

最終確認日

2016年9月1日

詳しくは

本研究に関する用語

その他の研究ID番号

  • Thrasher21631

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