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Pneumococcal InfectionsPhase 4NCT00368186

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

A Phase 4 study testing Pneumo 23 in people with Pneumococcal Infections, run by Wyeth is now a wholly owned subsidiary of Pfizer at 1 site in France.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

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. Read more about this study

Who is it for?
Ages 57 to 112 days
Conditions the study is for
Pneumococcal Infections
What is being tested?
Pneumo 23
How many people
51 participants
Where
1 siteFrance
Study dates
May 2001to Nov 2002
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 57 to 112 days
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

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

Who cannot join

  • 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.

Trial locations and contacts

1 site in 1 country.

France1 site
  • Study site

    Paris, 75019

Other trials in France

About this study

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.

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.

Being tested
Pneumo 23
Medical subject headings
Pneumococcal Infections

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Pneumo 23Biological

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Antibody responses to pneumococcal capsular polysaccharides antigens contained in PCV7 vaccine; local and systemic reactions.

Secondary outcomes (1)
  1. Opsonophagocytic activity; S. pneumoniae nasopharyngeal carriage.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Aug 2006 (estimated)
  2. Study startMay 2001
  3. Study completionNov 2002

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Prevention
Allocation
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
51 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00368186
Sponsor's protocol ID
0877X-100722
Status last verified
Aug 2006
First submitted
21 Aug 2006
Last updated
24 Aug 2006
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Pneumo 23 in people with Pneumococcal Infections, run by Wyeth is now a wholly owned subsidiary of Pfizer at 1 site in France.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 24 Aug 2006. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in France. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was stopped early. Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Antibody responses to pneumococcal capsular polysaccharides antigens contained in PCV7 vaccine; local and systemic reactions.. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Aug 2006.

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