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Trial to Investigate Immune Responses Elicited by a Liquid Formulation of Influenza Virus Vaccine (CAIV-T) in Healthy Children — CAIVT  

Influenza Clinical Trial

Official title:
A Randomized, Partially-Blinded, Placebo-Controlled Trial to Investigate Immune Responses Elicited by a Liquid Formulation of Influenza Virus Vaccine, Trivalent,Types A & B, Live Cold Adapted (CAIV-T) in Healthy Children Aged 6 to Less Than 36 Months

Clinical Trial Summary

To perform a variety of assays on blood, nasal washes, and cells obtained from healthy children for the purposes of further investigation of immune responses generated by influenza virus vaccine, trivalent, types A and B, live, cold-adapted (liquid CAIV-T; Wyeth Lederle Vaccines, Marietta, PA).

• To assess nasal swab specimens to detect vaccine virus shedding.

Clinical Trial Description

This was a phase II, prospective, randomized, partially-blinded, placebo-controlled, outpatient study conducted at multiple sites throughout the US in healthy children aged 6 months to less than 36 months. Parents/guardians of subjects were asked to read and sign the informed consent before any study-related procedures were performed. Subjects at each study site were sequentially assigned to 1 of 2 separate blood sample groups referred to as "cellular immunity" or "antibody secreting cell". Subjects within each blood sample group were then randomized 1:1:1:1 to receive a single intranasal dose of CAIV-T 10^7 FFU per dose, CAIV-T 10^5 FFU per dose, placebo or a commercially-available injectable trivalent influenza vaccine (TIV). ;

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00192322
Study type Interventional
Source MedImmune LLC
Contact
Status Completed
Phase Phase 2
Start date September 2001
Completion date December 2001
View Details
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