- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02883426
Evaluating the Safety and Immunogenicity of a Live Attenuated Virus Vaccine to Prevent Influenza H3N2v Disease
Evaluation of the Safety and Immunogenicity of Live Influenza A Vaccine H3N2v (6-2) AA ca Recombinant (A/Minnesota/11/2010 (H3N2v) x A/Ann Arbor/6/60 ca), a Live Attenuated Virus Vaccine Candidate for Prevention of Influenza H3N2v Disease
Study Overview
Status
Conditions
Detailed Description
The potential for widespread human disease due to the H3N2v influenza viruses is considerable. Infection with these viruses would most likely impact young children. This study will evaluate the safety and immunogenicity of the H3N2v MN 2010/AA ca live attenuated influenza vaccine (H3N2v LAIV) in healthy children and adults, 6 to 26 years old.
The study will enroll participants sequentially in four groups: Group 1 will include H3N2v seronegative adults ages 18-26 years; Group 2 will include H3N2v seropositive adolescents ages 13-17 years; Group 3 will include H3N2v seronegative adolescents ages 13-17 years; and Group 4 will include children ages 6 to 12 years, who will not be screened for H3N2v serostatus.
At study entry (Day 0), participants in Group 1 will receive one dose of H3N2v LAIV. Participants in Groups 2, 3, and 4 will be randomly assigned to receive two doses of either H3N2v LAIV or placebo, receiving the first dose on Day 0 and the second dose on Day 28. On Day 84, all participants will receive one dose of H3N2v IIV (an inactivated booster vaccine).
Participants will attend several additional study visits through Day 180. These visits may include a physical examination; respiratory examination; and collection of blood, urine, or nasal fluids.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
New York
-
Rochester, New York, United States, 14642
- University of Rochester Medical Center (URMC), Vaccine Research Unit (Outpatient)
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
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.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group 1: H3N2v Seronegative Adults: H3N2v LAIV
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.
|
Approximately 10^7.0
Fluorescent Focus Units (FFU) per 0.2 mL dose; administered intranasally
Other Names:
15 μg; administered intramuscularly
Other Names:
|
Experimental: Group 2: H3N2v Seropositive Adolescents: H3N2v LAIV
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.
|
Approximately 10^7.0
Fluorescent Focus Units (FFU) per 0.2 mL dose; administered intranasally
Other Names:
15 μg; administered intramuscularly
Other Names:
|
Placebo Comparator: Group 2: H3N2v Seropositive Adolescents: Placebo
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.
|
15 μg; administered intramuscularly
Other Names:
Administered by nasal spray
|
Experimental: Group 3: H3N2v Seronegative Adolescents: H3N2v LAIV
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.
|
Approximately 10^7.0
Fluorescent Focus Units (FFU) per 0.2 mL dose; administered intranasally
Other Names:
15 μg; administered intramuscularly
Other Names:
|
Placebo Comparator: Group 3: H3N2v Seronegative Adolescents: Placebo
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.
|
15 μg; administered intramuscularly
Other Names:
Administered by nasal spray
|
Experimental: Group 4: Children: H3N2v LAIV
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.
|
Approximately 10^7.0
Fluorescent Focus Units (FFU) per 0.2 mL dose; administered intranasally
Other Names:
15 μg; administered intramuscularly
Other Names:
|
Placebo Comparator: Group 4: Children: Placebo
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.
|
15 μg; administered intramuscularly
Other Names:
Administered by nasal spray
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frequency of vaccine-related reactogenicity events (REs) that occur during the acute monitoring phase of the study
Time Frame: Measured through Day 180
|
Measured through Day 180
|
|
Area under the curve of nasal virus shedding after each dose of vaccine
Time Frame: Measured through Day 180
|
As assessed by liquid titration of nasal secretions on Madin Darby canine kidney (MDCK) cells at 33°C
|
Measured through Day 180
|
Development of serum antibody
Time Frame: Measured through Day 180
|
Assessed by either hemagglutination inhibition (HAI) or microneutralization (MN) assays
|
Measured through Day 180
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Development of a significant increase in nasal secretion hemagglutinin (HA)-specific antibody
Time Frame: Measured through Day 180
|
Assessed by enzyme-linked immunosorbent assay (ELISA), luminex or microneutralization assay
|
Measured through Day 180
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- URMC 16-001
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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