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Clinical Trial Summary

OBJECTIVES: I. Compare the safety and efficacy of acellular 2-component vs. acellular multicomponent vs. whole-cell pertussis vaccine vs. placebo in infants living in Sweden.

II. Compare the relative protection of each vaccine against atypical or subclinical pertussis infection.

III. Analyze possible laboratory correlates to vaccine protection.


Clinical Trial Description

PROTOCOL OUTLINE: This is a randomized, double-blind study. Patients are stratified by participating institution.

The first group of infants receives a vaccine composed of inactivated pertussis toxin (iPT) and filamentous hemagglutin (FHA).

The second group receives a vaccine containing iPT, FHA, pertactin, agglutinogen 2, and agglutinogen 3.

The third group receives a whole-cell pertussis vaccine. The fourth group receives a diphtheria-tetanus vaccine as the control. All vaccines are given as an intramuscular injection, at 2-3, 4, and 6 months of age.

Close surveillance of infants and families continues for 2-3 years. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Masking: Double-Blind, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00004799
Study type Interventional
Source Office of Rare Diseases (ORD)
Contact
Status Completed
Phase Phase 3
Start date April 1991

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