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Multi-Year Study of Fluzone High-Dose Influenza Vaccine Compared With Fluzone® Vaccine in Adults Aged 65 Years and Older
This study has been terminated.
( No safety concerns, the study was terminated due to lack of primary endpoint cases in 2009-2010 influenza season. Enrolled subjects were followed per-protocol )

First Received on September 11, 2009.   Last Updated on August 12, 2011   History of Changes
Sponsor: Sanofi-Aventis
Information provided by: Sanofi-Aventis
ClinicalTrials.gov Identifier: NCT00976027
  Purpose

The aim of this study is to determine the efficacy of Fluzone High Dose vaccine and that of Fluzone® vaccine in the elderly.

Primary objective:

To measure the efficacy of the vaccine, defined as the prevention of laboratory-confirmed influenza caused by viral types/subtypes that are antigenically similar to those contained in the respective annual vaccine formulations.

Secondary objectives:

  • To compare the clinical efficacy of Fluzone High Dose vaccine with that of Fluzone® vaccine in elderly adults, with respect to laboratory-confirmed influenza illness caused by any type or subtype of influenza virus.
  • To compare the clinical efficacy of Fluzone High Dose vaccine with that of Fluzone® vaccine in elderly adults, in preventing culture-confirmed influenza illness caused by viral types/subtypes antigenically similar to those contained in the respective annual vaccine formulations.

Condition Intervention Phase
Influenza
Biological: Trivalent inactivated influenza vaccine High Dose
Biological: Trivalent inactivated influenza vaccine
Phase III

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
Official Title: Multi-Year Efficacy Study of Fluzone High-Dose Trivalent Vaccine Compared With Fluzone® Vaccine In Adults ≥ 65 Years of Age

Resource links provided by NLM:


Further study details as provided by Sanofi-Aventis:

Primary Outcome Measures:
  • To compare the clinical efficacy of Fluzone High Dose vaccine with that of Fluzone® vaccine in elderly adults [ Time Frame: 14 days after vaccination until April 30 of following year ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • To compare the clinical efficacy of Fluzone High Dose vaccine with that of Fluzone® vaccine in elderly adults, with respect to laboratory-confirmed influenza illness caused by any type or subtype of influenza virus [ Time Frame: 14 days after vaccination until April 30 of following year ] [ Designated as safety issue: No ]

Enrollment: 9172
Study Start Date: September 2009
Estimated Study Completion Date: April 2012
Primary Completion Date: May 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Fluzone High Dose Group Biological: Trivalent inactivated influenza vaccine High Dose
0.5 mL, Intramuscular
Active Comparator: Fluzone® Group Biological: Trivalent inactivated influenza vaccine
0.5 mL, Intramuscular
Other Name: Fluzone®

Detailed Description:

The occurrence of influenza-like illness (ILI) will be determined in elderly participants vaccinated with either Fluzone High Dose or Fluzone® vaccine.

The presence of influenza virus in the respiratory tract of vaccinated individuals with ILI will be confirmed by two methods.

  Eligibility

Ages Eligible for Study:   65 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria :

  • Aged ≥ 65 years on the day of vaccination
  • Informed consent form signed and dated.
  • Able to attend all scheduled visits and to comply with all trial procedures.

Exclusion Criteria :

  • Participation in another interventional clinical trial investigating a vaccine, drug, medical device, herbal supplement, or a medical procedure in the 4 weeks preceding the trial vaccination or planned participation in another clinical trial investigating a vaccine, drug, medical device, herbal supplement, or a medical procedure during each year of participation in the study trial.
  • Vaccination against influenza in the 6 months preceding the trial vaccination.
  • Systemic hypersensitivity to eggs, chicken proteins, or any of the vaccine components, or a history of a life-threatening reaction to Fluzone vaccine or to a vaccine containing any of the same substances.
  • Personal history of Guillain-Barré syndrome.
  • Dementia or any other cognitive condition at a stage that could interfere with following the trial procedures.
  • Thrombocytopenia, bleeding disorder, or anticoagulation therapy contraindicating intramuscular (IM) vaccination.
  • Known or suspected human immunodeficiency virus (HIV), Hepatitis B surface antigen (HBsAg), or Hepatitis C seropositivity.
  • Alcohol abuse or drug addiction that could interfere with the subject's ability to comply with trial procedures.
  • Subject deprived of freedom by an administrative or court order, or in an emergency setting, or hospitalized without his/her consent.
  • Bedridden subjects.
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00976027

  Show 95 Study Locations
Sponsors and Collaborators
Sanofi-Aventis
Investigators
Study Director: Medical Director Sanofi Pasteur Inc.
  More Information

Additional Information:
No publications provided

Responsible Party: Medical Director, Sanofi Pasteur Inc.
ClinicalTrials.gov Identifier: NCT00976027     History of Changes
Other Study ID Numbers: FIM07, UTN: U1111-1111-4478
Study First Received: September 11, 2009
Last Updated: August 12, 2011
Health Authority: United States: Food and Drug Administration

Keywords provided by Sanofi-Aventis:
Influenza
Respiratory Tract Infections
Influenza-like illness
Elderly
Fluzone®
Efficacy

Additional relevant MeSH terms:
Influenza, Human
Orthomyxoviridae Infections
RNA Virus Infections
Virus Diseases
Respiratory Tract Infections
Respiratory Tract Diseases

ClinicalTrials.gov processed this record on February 09, 2012