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Immunogenicity and Safety Study of Pneumococcal 7-Valent Conjugate Vaccine in Sickle Cell Disease Infants.

This study has been terminated.
Information provided by:
Wyeth is now a wholly owned subsidiary of Pfizer Identifier:
First received: August 21, 2006
Last updated: August 23, 2006
Last verified: August 2006
The primary objectives of this study were to assess the immunogenicity and the tolerance of the heptavalent pneumococcal conjugate vaccine (Prevenar) in young infants (2 months of age) with sickle cell disease when administred at 2,3, and 4 months of age.

Condition Intervention Phase
Pneumococcal Infections
Biological: Pneumo 23
Phase 4

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Prevention
Official Title: An Open, Multicenter Clinical Trial to Investigate the Immunogenicity and Safety of the Pneumococcal 7-Valent Conjugate Vaccine (PREVENAR) in Sickle Cell Disease Infants.

Resource links provided by NLM:

Further study details as provided by Wyeth is now a wholly owned subsidiary of Pfizer:

Primary Outcome Measures:
  • Antibody responses to pneumococcal capsular polysaccharides antigens contained in PCV7 vaccine; local and systemic reactions.

Secondary Outcome Measures:
  • Opsonophagocytic activity; S. pneumoniae nasopharyngeal carriage.

Estimated Enrollment: 51
Study Start Date: May 2001
Estimated Study Completion Date: November 2002

Ages Eligible for Study:   57 Days to 112 Days   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria

Infants with neonatal diagnosis of sickle cell disease and confirmed hemoglobin status by hemoglobin electrophoresis.

Exclusion Criteria

Previous immunization with pneumococcal-containing vaccines.

History of pneumococcal invasive disease (meningitis, bacteremia, pneumonia).

Known or suspected impairments of the immune system (including HIV infection) or recipients of immuno-suppressant agents.

Other Exclusions apply.

  Contacts and Locations
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Please refer to this study by its identifier: NCT00368186

Paris, France, 75019
Sponsors and Collaborators
Wyeth is now a wholly owned subsidiary of Pfizer
Study Director: Medical Monitor Wyeth is now a wholly owned subsidiary of Pfizer
  More Information Identifier: NCT00368186     History of Changes
Other Study ID Numbers: 0877X-100722
Study First Received: August 21, 2006
Last Updated: August 23, 2006

Additional relevant MeSH terms:
Anemia, Sickle Cell
Pneumococcal Infections
Anemia, Hemolytic, Congenital
Anemia, Hemolytic
Hematologic Diseases
Genetic Diseases, Inborn
Streptococcal Infections
Gram-Positive Bacterial Infections
Bacterial Infections
Heptavalent Pneumococcal Conjugate Vaccine
Immunologic Factors
Physiological Effects of Drugs processed this record on May 24, 2017