Comparison of Flu Vaccine Doses in Children
Influenza
About this trial
This is an interventional prevention trial for Influenza focused on measuring influenza, pediatric, vaccine
Eligibility Criteria
Inclusion Criteria:
All Subjects
- Healthy children 6-35 months of age (naïve cohort) or 12-35 months of age (fully primed cohort)
- Free of obvious health problems as established by medical history and clinical examination before entering the study
- Parent/legal guardian willing and capable of signing written informed consent
- Parent/legal guardian expected to be available for entire study
- Parent/legal guardian can be reached by telephone
Fully Primed Cohort
-Have received two doses of 2009-2010 H1N1 and two doses of trivalent inactivated influenza vaccine (TIV) at anytime in the past as defined for the purpose of this study.
Exclusion Criteria:
All Subjects:
- Have known allergy to eggs or other components of the vaccine. *Refer to the Fluzone package insert for a list of vaccine components.
- Known or suspected latex allergy.
- Former premature infants (<32 weeks).
- History of bronchodilator use more than 2 times per week within 28 days of vaccination.
- Significant underlying chronic illness (e.g., congenital heart disease, bronchopulmonary dysplasia).
- Immunodeficiency disease or use of immunosuppressive therapy by the participant, including perinatal exposure to or infection with human immunodeficiency virus (HIV), or known infection with hepatitis B or hepatitis C.
- Any other condition that, in the clinical judgment of the investigator, may interfere with vaccine evaluation. Children receiving antibiotics are eligible for enrollment.
- Have long term use of glucocorticoids including oral, parenteral or high-dose inhaled steroids (>800 mcg/day of beclomethasone dipropionate or equivalent) within the preceding 6 months. (Nasal and topical steroids are allowed.)
- Previous, exposure to an investigational drug or investigational vaccine within 28 days prior to vaccination in this trial.
- Plans for participation in another clinical trial with an investigational drug or investigational vaccine for the duration of this study.
- History of Guillain-Barré syndrome or any other neuromuscular disease.
- History of seizures (including febrile seizures).
Naïve Cohort:
- Any prior influenza vaccination.
- History of documented laboratory-confirmed influenza infection.
Fully primed Cohort:
- Have not received two doses of 2009-2010 H1N1 and two doses of trivalent inactivated influenza vaccine (TIV) at anytime in the past as defined for the purpose of this study.
- Allergic response to prior receipt of influenza vaccine.
Criteria for temporarily delaying vaccine administration for both groups:
The following conditions are temporary or self-limiting and a subject may be included in the study once the condition(s) has/have resolved, provided that the subject is otherwise eligible:
- Receipt of blood products in the previous 90 days
- Fever (axillary temperature > 100.0 degrees Fahrenheit/37.8 degrees Celsius), or an acute illness within 48 hours of enrollment.
- Receipt of any live vaccines within four weeks or any inactivated vaccines within two weeks of study vaccination.
Sites / Locations
- Emory Children's Center - Pediatric Infectious Diseases
- Emory University School of Medicine - Emory Children's Center - Pediatric Infectious Diseases
- University of Iowa - Infectious Disease Clinic
- University of Maryland School of Medicine - Center for Vaccine Development - Baltimore
- Saint Louis University - Center for Vaccine Development
- Cincinnati Children's Hospital Medical Center - Infectious Diseases
- Vanderbilt University - Pediatric - Infectious Diseases
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Group 2, 0.5 mL TIV
Group 1, 0.25 mL TIV
Naive cohort participants (n=180) receive 0.25 mLTrivalent Inactivated Vaccine (TIV) in two intramuscular doses 28-42 days apart. Fully Primed cohort participants (previously vaccinated) (n=40) will receive 0.5 mL Trivalent Inactivated Influenza Vaccine (TIV) in one intramuscular dose.
Naive cohort participants (n=90) receive 0.25 mLTrivalent Inactivated Vaccine (TIV) in two intramuscular doses 28-42 days apart. Fully Primed cohort participants (previously vaccinated) (n=20) will receive 0.25 mL Trivalent Inactivated Influenza Vaccine (TIV) in one intramuscular dose