Trial to Determine the Safety and Efficacy of Influenza Virus Vaccine, Trivalent, Types A & B, Live, Cold-Adapted (CAIV-T) in Healthy Children
A Prospective, Randomized, Double-Blind, Placebo-Controlled, Trial to Determine the Safety and Efficacy of Influenza Virus Vaccine, Trivalent, Types A & B, Live Cold-Adapted (CAIV-T) in Healthy Children
1 other identifier
interventional
3,000
1 country
1
Brief Summary
\- The purpose of this study is to determine the efficacy of CAIV-T in a diverse Asian population aged from 6 months to less than 36 months, in tropical and temperate climates, against culture-confirmed influenza illness. In addition, the trial provides the opportunity to investigate the efficacy of CAIV-T over multiple influenza seasons, and to investigate the effect of CAIV-T on acute otitis media.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3 healthy
Started Sep 2000
Longer than P75 for phase_3 healthy
1 active site
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, 2000
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2002
CompletedFirst Submitted
Initial submission to the registry
September 12, 2005
CompletedFirst Posted
Study publicly available on registry
September 19, 2005
CompletedOctober 3, 2006
October 1, 2006
September 12, 2005
October 2, 2006
Conditions
Outcome Measures
Primary Outcomes (1)
The primary endpoint for efficacy is the first episode during the first year in a study child of a culture-confirmed influenza-illness, caused by community-acquired subtypes.
Secondary Outcomes (1)
The secondary endpoint for efficacy is the first episode during the second year in a study child of a culture-confirmed influenza-illness.
Interventions
Eligibility Criteria
You may qualify if:
- who are greater than or equal to 6 months and less than 36 months of age at the time of enrollment, and in good health as determined by medical history, physical examination, and clinical judgment;
- whose parent or legal guardian has provided written informed consent after the nature of the study has been explained;
- who, along with their parent or legal guardian, will be available for the duration of the study (24 months);
- whose parent/legal guardian can be reached by study staff for the post-immunization contacts \[via telephone, clinic or home visits\].
You may not qualify if:
- whose parents or caregiver are perceived to be unreliable or difficult to contact for evaluation or study visits during the study period;
- with any serious chronic disease (e.g., with signs of cardiac or renal failure or severe malnutrition), including progressive neurological disease;
- with Down's syndrome or other known cytogenetic disorders;
- with a known or suspected disease of the immune system or those receiving immunosuppressive therapy, including systemic corticosteroids;
- who received any blood products, including immunoglobulin, in the period from six months prior to vaccination through to the conclusion of the study;
- for whom there is intent to administer any other investigational vaccine or agent from one month prior to enrollment through to the conclusion of the study;
- with an immunosuppressed or compromised individual living in the same household;
- who, at any time prior to entry into this study, received a dose of any influenza vaccine (commercial or investigational);
- who were administered any live virus vaccine within one month prior to study vaccination or expected receipt of another live virus within one month of vaccination in this study;
- with a documented history of hypersensitivity to egg or egg protein, or any other component of the study vaccines or placebo;
- with a respiratory illness with wheezing within two weeks prior to enrollment;
- who received aspirin (acetylsalicylic acid) or aspirin-containing products in the two weeks prior to enrollment or for which use is anticipated during the study;
- with any medical conditions that in the opinion of the Investigator might interfere with interpretation of the study results; Note: A pregnant household member or day care provider is not considered a contraindication to enrollment.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- MedImmune LLClead
- Wyeth is now a wholly owned subsidiary of Pfizercollaborator
Study Sites (1)
The Prince of Wales Hospital
Hong Kong, China
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Robert Walker, MD
MedImmune LLC
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
September 12, 2005
First Posted
September 19, 2005
Study Start
September 1, 2000
Study Completion
October 1, 2002
Last Updated
October 3, 2006
Record last verified: 2006-10