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Influenza Vaccination in the Emergency Department

This study has been completed.
Information provided by:
University of Arizona Identifier:
First received: January 12, 2009
Last updated: January 13, 2009
Last verified: January 2009
Randomized controlled trial of influenza vaccination versus referral for vaccination in the Emergency department. Is the Emergency Department an effective venue for vaccination for influenza? Does vaccination for influenza in the Emergency Department change the rates of influenza, influenza-like-illness or medical provider visits when compared with patient referred for vaccination in the community?

Condition Intervention
Influenza Drug: Influenza Vaccination Behavioral: Education and referral

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Health Services Research
Official Title: Influenza Vaccination in the Emergency Department

Resource links provided by NLM:

Further study details as provided by University of Arizona:

Primary Outcome Measures:
  • Vaccination status [ Time Frame: 4 months ]

Secondary Outcome Measures:
  • Influenza rate [ Time Frame: 4 months ]
  • Influenza-like illness rate [ Time Frame: 4 months ]
  • Visits to medical providers [ Time Frame: 4 months ]

Enrollment: 140
Study Start Date: November 2007
Study Completion Date: April 2008
Primary Completion Date: April 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Vaccination group
Vaccination group
Drug: Influenza Vaccination
0.5 mL Sanofi-Pasteur intramuscular influenza vaccination
Experimental: Education/referral
Behavioral: Education and referral
Patients are given information regarding the inactivated influenza vaccination and a list of community providers who provide influenza vaccination

Detailed Description:
This study is a prospective randomized, controlled trial of influenza vaccination vs referral for influenza vaccination in the Emergency Department. Subjects are either offered vaccination or education regarding vaccination and a list of community providers. At a four-month follow up, rates of influenza, influenza-like illness and number of medical provider visits are determined.

Ages Eligible for Study:   6 Months and older   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Unvaccinated patients presenting to the Emergency Department aged 6 months or more who have at least one high risk attribute:
  • Age 6-59 months or >50 years
  • Pregnant
  • Health care worker
  • Aged 6 months-18 years on chronic aspirin therapy
  • Comorbidity (cardiovascular disease, pulmonary disease, metabolic disease, renal disease, hepatic disease, seizures, neuromuscular disease, cognitive dysfunction, or any reason to have had regular medical follow up or hospitalization in the preceding year)
  • Household contact or caregiver of someone with at least one high risk attribute

Exclusion Criteria:

  • Prior vaccination
  • History of Guillan-Barre syndrome within 6 weeks of prior influenza vaccination
  • Allergy to influenza vaccination or eggs
  • Age < 6 months old
  • Fever with more than minor illness
  • Hospitalization
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00822627

United States, Arizona
University of Arizona
Tucson, Arizona, United States, 85724
Sponsors and Collaborators
University of Arizona
Principal Investigator: Katherine M Hiller, MD University of Arizona Department of Emergency Medicine
  More Information

Responsible Party: Katherine M Hiller, MD, Department of Emergency Medicine Identifier: NCT00822627     History of Changes
Other Study ID Numbers: 1
Study First Received: January 12, 2009
Last Updated: January 13, 2009

Keywords provided by University of Arizona:
Emergency Department

Additional relevant MeSH terms:
Influenza, Human
Orthomyxoviridae Infections
RNA Virus Infections
Virus Diseases
Respiratory Tract Infections
Respiratory Tract Diseases
Disease Attributes
Pathologic Processes
Immunologic Factors
Physiological Effects of Drugs processed this record on September 21, 2017