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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.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pneumo 23 | Biological |
| Measure | Description | Time Frame |
|---|---|---|
| Antibody responses to pneumococcal capsular polysaccharides antigens contained in PCV7 vaccine; local and systemic reactions. |
| Measure | Description | Time Frame |
|---|---|---|
| Opsonophagocytic activity; S. pneumoniae nasopharyngeal carriage. |
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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.
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| Name | Affiliation | Role |
|---|---|---|
| Medical Monitor | Wyeth is now a wholly owned subsidiary of Pfizer | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Paris | 75019 | France |
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| ID | Term |
|---|---|
| D011008 | Pneumococcal Infections |
| ID | Term |
|---|---|
| D013290 | Streptococcal Infections |
| D016908 | Gram-Positive Bacterial Infections |
| D001424 | Bacterial Infections |
| D001423 | Bacterial Infections and Mycoses |
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| D007239 | Infections |