A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate Safety of MEDI-559 in Healthy 1 to <24 Month-Old Children
NCT ID: NCT00767416
Last Updated: 2016-07-20
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE1/PHASE2
116 participants
INTERVENTIONAL
2008-10-31
2011-12-31
Brief Summary
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Detailed Description
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MEDI-559 will be administered at a dose of 10\^5 fluorescent focus units (FFU) on a 0, 2, and 4 month schedule to two cohorts of subjects in a step-wise fashion. The target sample size for this study is 320 subjects, with 160 subjects 5 to \<24 months of age enrolled into Cohort 1 and 160 subjects 1 to \<3 months of age enrolled into Cohort 2. Each cohort will be randomized 1:1 (MEDI-559 to placebo) and stratified by site. Cohort 1 will initiate dosing at 10\^5 FFU MEDI-559. Blinded safety data from the first 40 subjects enrolled in Cohort 1 for the 28 days following administration of the first dose of vaccine will be reviewed. If no safety concerns are noted, Cohort 2 will initiate dosing at 10\^5 FFU. Enrollment into Cohort 2 will be halted after approximately 40 subjects have been randomized, and blinded safety data will be reviewed through 28 days post Dose 1. If no safety concerns are noted, the remainder of Cohort 2 will be enrolled. All subjects will be followed through 365 days after randomization to ensure that each subject has been followed through an RSV season.
Conditions
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Study Design
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RANDOMIZED
SINGLE_GROUP
TREATMENT
QUADRUPLE
Study Groups
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Cohort 1 MEDI-559
MEDI-559
MEDI-559
Cohort 1 (5 to \<24 months): N=80 MEDI-559 at 10\^5 FFU at 0, 2, and 4 months; frozen preparation filled into 0.5 ml luer slip-tip syringes. Each 0.2 ml dose contains 10\^5 FFU MEDI-559 in a sucrose phosphate glutamate buffer.
Cohort 1 Placebo
Placebo
Placebo
Cohort 1 (5 to \< 24 months); N = 80 placebo at 0, 2, and 4 months; frozen preparation filled into 0.5 ml luer slip-tip syringes. Each 0.2 ml dose contains sucrose phosphate buffer.
Interventions
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MEDI-559
Cohort 1 (5 to \<24 months): N=80 MEDI-559 at 10\^5 FFU at 0, 2, and 4 months; frozen preparation filled into 0.5 ml luer slip-tip syringes. Each 0.2 ml dose contains 10\^5 FFU MEDI-559 in a sucrose phosphate glutamate buffer.
Placebo
Cohort 1 (5 to \< 24 months); N = 80 placebo at 0, 2, and 4 months; frozen preparation filled into 0.5 ml luer slip-tip syringes. Each 0.2 ml dose contains sucrose phosphate buffer.
Eligibility Criteria
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Inclusion Criteria
* Cohort 1 only: Subject is seronegative to RSV at screening
* Subject was the product of normal full term pregnancy (defined as 36-42 weeks gestation)
* Subject is in general good health
* Written informed consent and HIPAA authorization (if applicable) obtained from the subject's legal representative
* Subject's legal representative is willing and able to bring the subject to the study site for evaluation of respiratory illness in accordance with the protocol
Exclusion Criteria
* Acute illness (defined as the presence of moderate or severe signs and symptoms) at the time of randomization
* Moderate or severe nasal congestion that in the investigator's opinion could prevent intranasal delivery of vaccine
* Cohort 1 only: weight ≤ 5th percentile for age on the day of randomization
* Cohort 2 only: history of low birth weight (ie, \<2500 grams at birth) or weight ≤ 5th percentile for age on the day of randomization
* Living in the same home or enrolled in the same classroom at day care with infants \<6 months of age within 28 days after each dose (only one child per household may be enrolled into the study)
* Contact with pregnant caregiver within 28 days after each dose
* Living in a household with someone who is immunocompromised within 28 days after each dose; the subject should also avoid close contact with immunocompromised individuals for at least 28 days after each study vaccine dosing
* Living in a household with someone who works in the healthcare field and who has direct patient care responsibilities within 28 days after each dose
* Living in a household with someone who is a day care provider or preschool teacher for children \<6 months of age within 28 days after each dose
1 Month
23 Months
ALL
Yes
Sponsors
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MedImmune LLC
INDUSTRY
Responsible Party
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Principal Investigators
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Joseph Sliman, M.D.
Role: STUDY_DIRECTOR
MedImmune LLC
Locations
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Research Site
Greenville, Alabama, United States
Research Site
Huntsville, Alabama, United States
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Mobile, Alabama, United States
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Conway, Arkansas, United States
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Little Rock, Arkansas, United States
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Little Rock, Arkansas, United States
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Anaheim, California, United States
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Cypress, California, United States
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Downey, California, United States
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Huntington Beach, California, United States
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Lakewood, California, United States
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Long Beach, California, United States
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Los Angeles, California, United States
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Los Angeles, California, United States
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Paramount, California, United States
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San Diego, California, United States
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Santa Ana, California, United States
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Thornton, Colorado, United States
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Hartford, Connecticut, United States
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Washington D.C., District of Columbia, United States
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Miami, Florida, United States
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Miami, Florida, United States
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Orange City, Florida, United States
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Tampa, Florida, United States
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Dalton, Georgia, United States
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Chicago, Illinois, United States
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Fishers, Indiana, United States
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New Albany, Indiana, United States
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South Bend, Indiana, United States
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Ames, Iowa, United States
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Bardstown, Kentucky, United States
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Lexington, Kentucky, United States
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Lexington, Kentucky, United States
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Louisville, Kentucky, United States
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Louisville, Kentucky, United States
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Paducah, Kentucky, United States
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Metarie, Louisiana, United States
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Fredrick, Maryland, United States
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Boston, Massachusetts, United States
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Fall River, Massachusetts, United States
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Bridgeton, Missouri, United States
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Kansas City, Missouri, United States
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Omaha, Nebraska, United States
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Omaha, Nebraska, United States
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Brooklyn, New York, United States
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Endwell, New York, United States
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Stony Brook, New York, United States
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Syracuse, New York, United States
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Cleveland, Ohio, United States
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Cleveland, Ohio, United States
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Huber Heights, Ohio, United States
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Norman, Oklahoma, United States
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Tulsa, Oklahoma, United States
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Warwick, Rhode Island, United States
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Spartanburg, South Carolina, United States
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Franklin, Tennessee, United States
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Jackson, Tennessee, United States
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Johnson City, Tennessee, United States
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Kingsport, Tennessee, United States
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Corpus Christi, Texas, United States
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Houston, Texas, United States
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Houston, Texas, United States
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San Angelo, Texas, United States
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San Antonio, Texas, United States
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San Antonio, Texas, United States
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San Antonio, Texas, United States
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Tomball, Texas, United States
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Layton, Utah, United States
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St. George, Utah, United States
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Syracuse, Utah, United States
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Charlottesville, Virginia, United States
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Colonial Heights, Virginia, United States
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Midlothian, Virginia, United States
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Richmond, Virginia, United States
Research Site
Walla Walla, Washington, United States
Research Site
Caguas, , Puerto Rico
Countries
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References
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Malkin E, Yogev R, Abughali N, Sliman J, Wang CK, Zuo F, Yang CF, Eickhoff M, Esser MT, Tang RS, Dubovsky F. Safety and immunogenicity of a live attenuated RSV vaccine in healthy RSV-seronegative children 5 to 24 months of age. PLoS One. 2013 Oct 29;8(10):e77104. doi: 10.1371/journal.pone.0077104. eCollection 2013.
Related Links
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MEDI-559\_CP-147\_Protocol\_Redacted\_13Nov13
Other Identifiers
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MI-CP147
Identifier Type: -
Identifier Source: org_study_id
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