Study Stopped
No safety concerns, study terminated due to lack of primary endpoint cases in 2009-2010 Flu season (coincided with H1N1 Pandemic) Subjects followed per-protocol
Multi-Year Study of Fluzone High-Dose Influenza Vaccine Compared With Fluzone® Vaccine in Adults Aged 65 Years and Older
Multi-Year Efficacy Study of Fluzone High-Dose Trivalent Vaccine Compared With Fluzone® Vaccine In Adults ≥ 65 Years of Age
2 other identifiers
interventional
9,172
2 countries
98
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Sep 2009
Typical duration for phase_3
98 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2009
CompletedFirst Submitted
Initial submission to the registry
September 11, 2009
CompletedFirst Posted
Study publicly available on registry
September 14, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2012
CompletedResults Posted
Study results publicly available
July 25, 2012
CompletedAugust 1, 2012
July 1, 2012
1.7 years
September 11, 2009
June 19, 2012
July 24, 2012
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Efficacy of Fluzone High Dose Relative to Fluzone in the Prevention of Laboratory Confirmed Influenza Caused by Viral Types and Subtypes That Are Antigenically Similar to Those Contained in the Respective Annual Vaccine Formulations.
The presence (and specific identification) of influenza virus in the respiratory tract of vaccinated individuals with influenza like illness (ILI) was confirmed by tissue culture (for infectious virus) and molecular techniques (polymerase chain reaction based assays), with results reported for cases cause by any viral type or subtype.
Day 0 (pre-vaccination) up to Year 1 post-vaccination
Other Outcomes (3)
Number of Participants Reporting Events Associated With All Cases of Protocol Defined Influenza-Like Illness (ILI)
Day 0 (pre-vaccination) up to the end of the influenza season
Number of Participants Reporting Events Associated With All Cases of CDC Defined Influenza-Like Illness (ILI)
Day 14 (post-vaccination) up to 12 Months post-vaccination
Number of Participants Reporting Adverse Events of Special Interest (AESIs) and Serious Adverse Events Post-vaccination With Either Fluzone High-Dose and Fluzone
Day 0 before vaccination to Day 180 after vaccination
Study Arms (2)
Fluzone® High Dose Group
EXPERIMENTALFluzone® Group
ACTIVE COMPARATORInterventions
0.5 mL, Intramuscular
0.5 mL, Intramuscular
Eligibility Criteria
You may qualify if:
- 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.
You may not qualify if:
- 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.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Sanofilead
Study Sites (98)
Unknown Facility
Birmingham, Alabama, 35209, United States
Unknown Facility
Glendale, Arizona, 85308, United States
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Mesa, Arizona, 85203, United States
Unknown Facility
Phoenix, Arizona, 85028, United States
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Phoenix, Arizona, 85050, United States
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Scottsdale, Arizona, 85251, United States
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Tempe, Arizona, 85283, United States
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Fountain Valley, California, 92708, United States
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Los Angeles, California, 90057, United States
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Oceanside, California, 92056, United States
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Sacramento, California, 95831, United States
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Santa Rosa, California, 95405, United States
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Aurora, Colorado, 80045, United States
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Colorado Springs, Colorado, 80907, United States
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Colorado Springs, Colorado, 80909, United States
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Milford, Connecticut, 06460, United States
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Ridgefield, Connecticut, 06877, United States
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Celebration, Florida, 34747, United States
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Clearwater, Florida, 33756, United States
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Clearwater, Florida, 33761, United States
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Coral Gables, Florida, 33134, United States
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Crystal River, Florida, 34429, United States
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Cutler Bay, Florida, 33189, United States
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Deerfield Beach, Florida, 33442, United States
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Inverness, Florida, 34452, United States
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Jacksonville, Florida, 32205, United States
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Jacksonville, Florida, 32216, United States
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Melbourne, Florida, 32935, United States
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Miami, Florida, 33126, United States
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Pembroke Pines, Florida, 33026, United States
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Pinellas Park, Florida, 33781, United States
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Sarasota, Florida, 34239, United States
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South Miami, Florida, 33143, United States
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Stockbridge, Georgia, 30281, United States
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Chicago, Illinois, 60637, United States
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Peoria, Illinois, 61602, United States
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South Bend, Indiana, 46601, United States
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Dubuque, Iowa, 52002, United States
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Arkansas City, Kansas, 67005, United States
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Lenexa, Kansas, 66219, United States
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Lexena, Kansas, 66215, United States
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Newton, Kansas, 67114, United States
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Overland Park, Kansas, 66212, United States
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Prairie Village, Kansas, 66206, United States
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Wichita, Kansas, 67205, United States
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Metairie, Louisiana, 70006, United States
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Columbia, Maryland, 21042, United States
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Elkridge, Maryland, 21075, United States
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Greenbelt, Maryland, 20770, United States
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Brockton, Massachusetts, 02301, United States
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Haverhill, Massachusetts, 01830, United States
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Chaska, Minnesota, 55318, United States
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Edina, Minnesota, 55435, United States
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St Louis, Missouri, 63141, United States
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Missoula, Montana, 59808, United States
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Omaha, Nebraska, 68134, United States
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Las Vegas, Nevada, 89104, United States
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Rochester, New York, 14642, United States
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Cary, North Carolina, 27518, United States
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Charlotte, North Carolina, 28209, United States
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Hickory, North Carolina, 28601, United States
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High Point, North Carolina, 27262, United States
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Raleigh, North Carolina, 27607, United States
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Raleigh, North Carolina, 27612, United States
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Salisbury, North Carolina, 28144, United States
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Winston-Salem, North Carolina, 27103, United States
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Fargo, North Dakota, 58104, United States
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Akron, Ohio, 44311, United States
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Cleveland, Ohio, 44122, United States
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Columbus, Ohio, 43201, United States
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Columbus, Ohio, 43210, United States
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Columbus, Ohio, 43213, United States
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Norman, Oklahoma, 73069, United States
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Corvallis, Oregon, 97330, United States
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Portland, Oregon, 97203, United States
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Downingtown, Pennsylvania, 19335, United States
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Erie, Pennsylvania, 16506, United States
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Jefferson Hills, Pennsylvania, 15025, United States
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Penndel, Pennsylvania, 19047, United States
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Pittsburgh, Pennsylvania, 15241, United States
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Upper Saint Clair, Pennsylvania, 15241, United States
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Anderson, South Carolina, 29621, United States
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Clinton, South Carolina, 29325, United States
Unknown Facility
Goose Creek, South Carolina, 29445, United States
Unknown Facility
Greer, South Carolina, 29651, United States
Unknown Facility
Bristol, Tennessee, 37620, United States
Unknown Facility
Nashville, Tennessee, 37212, United States
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Fort Worth, Texas, 76107, United States
Unknown Facility
Galveston, Texas, 77555, United States
Unknown Facility
Houston, Texas, 77074, United States
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San Antonio, Texas, 78229, United States
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Salt Lake City, Utah, 84124, United States
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Fredericksburg, Virginia, 22401, United States
Unknown Facility
Williamsburg, Virginia, 23185, United States
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Lakewood, Washington, 98499, United States
Unknown Facility
Marshfield, Wisconsin, 54449, United States
Unknown Facility
San Juan, 00918, Puerto Rico
Unknown Facility
Toa Baja, 00949, Puerto Rico
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
The study was terminated due to lack of primary endpoint cases in 2009-2010 influenza season (coincided with the H1N1 Pandemic). There were no safety concerns; enrolled subjects were followed per-protocol.
Results Point of Contact
- Title
- Medical Director
- Organization
- Sanofi Pasteur Inc.
Study Officials
- STUDY DIRECTOR
Medical Director
Sanofi Pasteur Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 11, 2009
First Posted
September 14, 2009
Study Start
September 1, 2009
Primary Completion
May 1, 2011
Study Completion
April 1, 2012
Last Updated
August 1, 2012
Results First Posted
July 25, 2012
Record last verified: 2012-07