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Brief Summary

GUIDELINE TITLE

Antiviral therapy and prophylaxis for influenza in children.

BIBLIOGRAPHIC SOURCE(S)

GUIDELINE STATUS

This is the current release of the guideline.

All clinical reports and policy statements from the American Academy of Pediatrics automatically expire 5 years after publication unless reaffirmed, revised, or retired at or before that time.

** REGULATORY ALERT **

FDA WARNING/REGULATORY ALERT

Note from the National Guideline Clearinghouse: This guideline references a drug(s) for which important revised regulatory information has been released:

  • April 02, 2008, Relenza (zanamivir): GlaxoSmithKline informed healthcare professionals of changes to the warnings and precautions sections of prescribing information for Relenza. There have been reports (mostly from Japan) of delirium and abnormal behavior leading to injury in patients with influenza who are receiving neuraminidase inhibitors, including Relenza.
  • March 4, 2008, Tamiflu (oseltamivir phosphate): Roche and the U.S. Food and Drug Administration (FDA) informed healthcare professionals of neuropsychiatric events associated with the use of Tamiflu, in patients with influenza. Roche has updated the PRECAUTIONS section of the package insert to include the new information and guidance under the Neuropsychiatric Events heading.

BRIEF SUMMARY CONTENT

 ** REGULATORY ALERT **
 RECOMMENDATIONS
 EVIDENCE SUPPORTING THE RECOMMENDATIONS
 IDENTIFYING INFORMATION AND AVAILABILITY
 DISCLAIMER

 Go to the Complete Summary

RECOMMENDATIONS

MAJOR RECOMMENDATIONS

Dosing Recommendations for Antiviral Agents for Treatment and Prophylaxis of Influenza

Drug Formulations Dosing Recommendations
Treatment Prophylaxis
Children Adults Children Adults
Oseltamivir (Tamiflu) 75-mg capsule;
60 mg/5 mL suspension
For treatment, children >12 mo should receive approximately 4 mg/kg per d divided into 2 doses for a 5-d treatment course 150 mg/d divided into 2 doses for 5 days <15 kg
30 mg once daily
>15-23 kg
45 mg once daily
>23-40 kg
60 mg once daily
>40 kg
75 mg once daily
75 mg once daily
<15 kg
60 mg/d divided into 2 doses
>15-23 kg
90 mg/d divided into 2 doses
>23-40 kg
120 mg/d divided into 2 doses
>40 kg
150 mg/d divided into 2 doses
Zanamivir (Relenza) 5 mg per inhalation (Diskhaler) Children >7 y and Adults Children >5 y and Adults
2 inhalations (10 mg total per dose), twice daily for 5 d 2 inhalations (10 mg total per dose), once daily for 10 d
Amantadine (Symmetrel) 100-mg tablet; 50 mg/5 mL suspension 1-9 y 9-12 y Adults 1-9 y 9-12 y Adults
5-8 mg/kg per d as a single daily dose or divided into 2 doses but not to exceed 150 mg/da,b; treat for 24-48 h after the disappearance of signs and symptoms 200 mg/d divided into 2 doses (not studied as a single daily dose)a,b; treat for 24-48 h after the disappearance of signs and symptoms 200 mg/d, either as a single daily dose or divided into 2 dosesa,b; treat for 24-48 h after the disappearance of signs and symptoms Same as treatment dosea,b Same as treatment dosea,b Same as treatment dosea,b
Rimantadine (Flumadine) 100-mg tablet; 50 mg/5 mL suspension 1-9 y >10 y Adults 1-9 y >10 y Adults
Not FDA approved for treatment in children, but published data exist on safety and efficacy 200 mg/d, either as a single dose or divided into 2 dosesa 5 mg/kg per d once daily not to exceed 150 mga,b 200 mg/d, either as a single daily dose or divided into 2 dosesa,b 200 mg/d, either as a single daily dose or divided into 2 dosesa,b
6.6 mg/kg per d (maximum 150 mg/kg per d) divided into 2 doses 200 mg/d, either as a single daily dose or divided into 2 dosesa

a Amantadine and rimantadine should only be used for prophylaxis in winter seasons during which a majority of influenza A virus strains isolated are adamantine-susceptible; the adamantanes should not be used for primary therapy because of the rapid emergence of resistance. However, for those requiring adamantine therapy, a treatment course of approximately 7 days is suggested, or 24 to 48 hours after the disappearance of signs and symptoms.

b For prophylaxis, antiviral drugs should be continued for the duration of known influenza A in the community because of the potential for repeated and unknown exposures or until immunity can be achieved after immunization.

Indications for Therapy and Prophylaxis

Therapy

  • Influenza infection of any severity in high-risk children (see definition of "high-risk" below) regardless of immunization status
  • Any otherwise healthy child with moderate-to-severe influenza infection who may benefit from the decrease in duration of clinical symptoms documented to occur with therapy

Prophylaxis

  • High-risk children during the 2 weeks after influenza immunization, if influenza is active in the community
  • High-risk children for whom influenza vaccine is contraindicated
  • Family members or health care providers who are unimmunized and are likely to have ongoing, close exposure to (1) high-risk, unimmunized children or (2) infants who are younger than 6 months
  • Control of influenza outbreaks for unimmunized staff and children in a closed institutional setting with high-risk pediatric residents (e.g., extended-care facilities)
  • As a supplement to immunization among high-risk children
  • Postexposure prophylaxis in a family setting
  • High-risk children and their family members and close contacts, as well as health care workers, when circulating strains of influenza virus in the community are not matched with vaccine strains

Infants And Children at High Risk of Complications From Influenza Include Those with:

  • Ages between 6 and 24 months (no antiviral agent is currently approved for infants younger than 12 months)
  • Asthma or other chronic pulmonary diseases such as cystic fibrosis
  • Hemodynamically significant cardiac disease
  • Immunosuppressive disorders or therapy
  • Human immunodeficiency virus (HIV) infection
  • Sickle cell anemia and other hemoglobinopathies
  • Diseases requiring long-term aspirin therapy, such as rheumatoid arthritis or Kawasaki disease
  • Chronic renal dysfunction
  • Chronic metabolic disease such as diabetes mellitus
  • Neuromuscular disorders, seizure disorders, or cognitive dysfunction that may compromise the handling of respiratory secretions

CLINICAL ALGORITHM(S)

None provided

EVIDENCE SUPPORTING THE RECOMMENDATIONS

TYPE OF EVIDENCE SUPPORTING THE RECOMMENDATIONS

The type of evidence supporting the recommendations is not specifically stated.

IDENTIFYING INFORMATION AND AVAILABILITY

BIBLIOGRAPHIC SOURCE(S)

ADAPTATION

Not applicable: The guideline was not adapted from another source.

DATE RELEASED

2007 Apr

GUIDELINE DEVELOPER(S)

American Academy of Pediatrics - Medical Specialty Society

SOURCE(S) OF FUNDING

American Academy of Pediatrics

GUIDELINE COMMITTEE

Committee on Infectious Diseases

COMPOSITION OF GROUP THAT AUTHORED THE GUIDELINE

Committee on Infectious Diseases, 2006-2007: Joseph A. Bocchini, Jr, MD, Chairperson; Robert S. Baltimore, MD; Henry H. Bernstein, DO; John S. Bradley, MD; Michael T. Brady, MD; Penelope H. Dennehy, MD; Margaret C. Fisher, MD; Robert W. Frenck, Jr, MD; David W. Kimberlin, MD; Sarah S. Long, MD; Julia A. McMillan, MD; Lorry G. Rubin, MD

Liaisons: Richard D. Clover, MD, American Academy of Family Physicians; Marc A. Fischer, MD, Centers for Disease Control and Prevention; Richard L. Gorman, MD, National Institutes of Health; Douglas R. Pratt, MD, Food and Drug Administration; Anne Schuchat, MD, Centers for Disease Control and Prevention; Benjamin Schwartz, MD, National Vaccine Program Office; Jeffrey R. Starke, MD, American Thoracic Society; Jack Swanson, MD, Practice Action Group

Ex Officio: Larry K. Pickering, MD, Red Book Editor; Carol J. Baker, MD, Red Book Associate Editor

Consultant: Edgar O. Ledbetter, MD

Staff: Alison Siwek, MPH

FINANCIAL DISCLOSURES/CONFLICTS OF INTEREST

Not stated

GUIDELINE STATUS

This is the current release of the guideline.

All clinical reports and policy statements from the American Academy of Pediatrics automatically expire 5 years after publication unless reaffirmed, revised, or retired at or before that time.

GUIDELINE AVAILABILITY

Electronic copies: Available from the American Academy of Pediatrics (AAP) Policy Web site.

Print copies: Available from American Academy of Pediatrics, 141 Northwest Point Blvd., P.O. Box 927, Elk Grove Village, IL 60009-0927.

AVAILABILITY OF COMPANION DOCUMENTS

None available

PATIENT RESOURCES

None available

NGC STATUS

This NGC summary was completed by ECRI Institute on May 15, 2007. The information was verified by the guideline developer on May 23, 2007. This summary was updated by ECRI Institute on March 10, 2008 following the U.S. Food and Drug Administration (FDA) advisory on Tamiflu (oseltamivir phosphate). This summary was updated by ECRI Institute on April 9, 2008 following the U.S. Food and Drug Administration (FDA) advisory on Relenza (zanamivir).

COPYRIGHT STATEMENT

This NGC summary is based on the original guideline, which is subject to the guideline developer's copyright restrictions. Please contact the Permissions Editor, American Academy of Pediatrics (AAP), 141 Northwest Point Blvd, Elk Grove Village, IL 60007.

DISCLAIMER

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