Evaluating the Safety and Immunogenicity of a Live Attenuated Virus Vaccine to Prevent Influenza H3N2v Disease
Influenza
About this trial
This is an interventional prevention trial for Influenza focused on measuring H3N2v Influenza Viruses
Eligibility Criteria
Inclusion Criteria:
- Males and non-pregnant females between 6 and 26 years of age inclusive.
- For children, presence of an adult caregiver who is in good health and able to understand and carry out the requirements
- General good health, without significant medical illness, physical examination findings, or significant laboratory abnormalities as determined by the investigator.
- Agree to storage of blood specimens for future research.
- Available for the duration of the trial.
- Willingness to participate in the study as evidenced by signing the informed consent document. Verbal assent will be obtained from minors 6 to 12 years of age and signed assent will be obtained from minors 13 and older.
- Female subjects of childbearing potential must agree to use effective birth control methods for the duration of the study (e.g., pharmacologic contraceptives including oral, parenteral, and transcutaneous delivery; condoms with spermicide; diaphragm with spermicide; intrauterine device; abstinence from heterosexual intercourse, surgical sterilization).
Exclusion Criteria:
- Anticipated direct routine [e.g. weekly or more frequent] contact with individuals younger than the designated age groups being studied as a result of household contact, occupation, or participation in day care with such individuals.
- Pregnancy as determined by a positive urine or serum human choriogonadotropin (β-HCG) test.
- Currently breast-feeding.
- Evidence of clinically significant neurologic, cardiac, pulmonary, hepatic, rheumatologic, autoimmune, or renal disease by history or physical examination.
- Behavioral or cognitive impairment or psychiatric disease that, in the opinion of the investigator, affects the ability of the subject to understand and cooperate with the study protocol.
- Other condition that, in the opinion of the investigator, would jeopardize the safety or rights of a subject participating in the trial or would render the subject unable to comply with the protocol.
- History of anaphylaxis.
- Allergy to oseltamivir as determined by subject report.
- Current diagnosis of asthma or reactive airway disease (within the past 2 years).
- Use of aspirin or salicylate-containing medications within 28 days prior to randomization or expected receipt through 28 days after final vaccination.
- History of Guillain-Barré Syndrome.
- Known history of HIV, hepatitis C, or active hepatitis B infection.
- Known immunodeficiency syndrome.
- Use of corticosteroids (excluding topical preparations) or immunosuppressive drugs within 30 days prior to vaccination.
- Receipt of a live vaccine within 4 weeks or a killed vaccine within 2 weeks prior to study vaccination.
- Receipt of blood or blood-derived products (including immunoglobulin) within 6 months prior to study vaccination.
- Travel to the Southern Hemisphere within 14 days prior to study vaccination.
- Travel on a cruise ship within 14 days prior to study vaccination.
- Receipt of another investigational vaccine or drug within 30 days prior to study vaccination.
- Allergy to eggs or egg products, gentamicin, or gelatin.
- Chronic use of intranasal medications.
Sites / Locations
- University of Rochester Medical Center (URMC), Vaccine Research Unit (Outpatient)
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Experimental
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Group 1: H3N2v Seronegative Adults: H3N2v LAIV
Group 2: H3N2v Seropositive Adolescents: H3N2v LAIV
Group 2: H3N2v Seropositive Adolescents: Placebo
Group 3: H3N2v Seronegative Adolescents: H3N2v LAIV
Group 3: H3N2v Seronegative Adolescents: Placebo
Group 4: Children: H3N2v LAIV
Group 4: Children: Placebo
Participants will receive one dose of H3N2v LAIV on Day 0 (study entry). They will then receive one dose of H3N2v IIV on Day 84.
Participants will receive two doses of H3N2v LAIV, the first dose on Day 0 (study entry) and the second dose on Day 28. They will then receive one dose of H3N2v IIV on Day 84.
Participants will receive two doses of placebo, the first dose on Day 0 (study entry) and the second dose on Day 28. They will then receive one dose of H3N2v IIV on Day 84.
Participants will receive two doses of H3N2v LAIV, the first dose on Day 0 (study entry) and the second dose on Day 28. They will then receive one dose of H3N2v IIV on Day 84.
Participants will receive two doses of placebo, the first dose on Day 0 (study entry) and the second dose on Day 28. They will then receive one dose of H3N2v IIV on Day 84.
Participants will receive two doses of H3N2v LAIV, the first dose on Day 0 (study entry) and the second dose on Day 28. They will then receive one dose of H3N2v IIV on Day 84.
Participants will receive two doses of placebo, the first dose on Day 0 (study entry) and the second dose on Day 28. They will then receive one dose of H3N2v IIV on Day 84.