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Pneumococcal VaccinesPhase 3NCT00824655

Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Children

A Phase 3 study testing 13vPnC in people with Pneumococcal Vaccines, run by Pfizer at 7 sites in Sweden.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purposes of this study are to evaluate the safety of 13-valent pneumococcal Conjugate Vaccine (13vPnC) in children who have already been vaccinated with Prevenar. The study will also assess the immunological response (measure the amount of antibodies, i.e. Read more about this study

Who is it for?
Ages 140 to 392 daysHealthy volunteers can take part
Conditions the study is for
Pneumococcal Vaccines
What is being tested?
13vPnC
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
234 participants
Where
7 sitesSweden
Study dates
Mar 2009to Jun 2010
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 140 to 392 days
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • Healthy children previously immunized with 1 or 2 doses of Prevenar.
  • Group 1: Male or female subjects between the age of >=140 and <=196 days of age at time of enrollment.
  • Group 2: Male or female subjects between the age of >=336 and <=392 days of age at time of enrollment
  • Available for entire study period.

Who cannot join

  • Previous reaction or contra-indication to pneumococcal vaccine or vaccine related component.
  • Previous vaccination with licensed or investigational pneumococcal vaccine other than Prevenar.

Trial locations and contacts

7 sites in 1 country.

7 sites in 1 country

Sweden7 sites
  • Pfizer Investigational Site

    Eskilstuna, SE-63188

  • Pfizer Investigational Site

    Gothenburg, SE-40014

  • Pfizer Investigational Site

    Malmö, SE-20502

  • Pfizer Investigational Site

    Örebro, SE-70185

  • Pfizer Investigational Site

    Östersund, SE-83183

  • Pfizer Investigational Site

    Uddevalla, SE-45180

  • Pfizer Investigational Site

    Umeå, SE-90185

Other trials in Sweden

About this study

Official title: A Phase 3, Open-Label Trial, Evaluating the Safety, Tolerability, and Immunogenicity of 13-valent Pneumococcal Conjugate Vaccine in Healthy Children Previously Partially Immunized With Prevenar

The purposes of this study are to evaluate the safety of 13-valent pneumococcal Conjugate Vaccine (13vPnC) in children who have already been vaccinated with Prevenar. The study will also assess the immunological response (measure the amount of antibodies, i.e. proteins that fight off germs) produced by children after they have been given the 13-valent pneumococcal vaccine at 5 and 12 months or 12 months of age. In addition, reactions at the injection site will be assessed during the study.

Being tested
13vPnC
Keywords
Healthy Subjects, Vaccines, Pneumococcal

What participants receive

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

  • 13vPnCBiological

    13vPnC will be administered by intramuscular injection at approximately 5 and 12 months of age.

  • 13vPnCBiological

    13vPnC will be administered by intramuscular injection at approximately 12 months of age.

Study groups in NCT00824655
Study groupRoleWhat they receive
Group 1ExperimentalNot described
Receives: Biological: 13vPnC
Group 2ExperimentalNot described
Receives: Biological: 13vPnC

What is being measured

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

  1. Geometric Mean Concentration (GMC) of Serotype-Specific Pneumococcal Immunoglobulin G (IgG) Antibodies 1 Month After the Toddler Dose

    Antibody geometric mean concentration (GMC) as measured by micrograms per milliliter (mcg/mL) for 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (Serotypes 1, 3, 5, 6A, 7F, and 19A) were presented. GMC (13vPnC) and corresponding 2-sided 95% confidence intervals (CI) were evaluated. GMCs were calculated using all participants with available data for the specified blood draw.

    Measured: 1 month after the toddler dose (13 months of age)

Secondary outcomes (3)
  1. Percentage of Participants Achieving a Serotype-specific IgG Antibody Greater Than or Equal To (≥) 0.35 Mcg/mL, 1 Month After the Infant Dose

    Percentage of participants achieving predefined antibody threshold ≥0.35 mcg/mL along with the corresponding 95% CI for the 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (serotypes 1, 3, 5, 6A, 7F, and 19A) are presented. Exact 2-sided CI based on the observed proportion of participants.

    Measured: 1 Month after the infant series (6 months of age)

  2. GMC of Serotype-Specific Pneumococcal IgG Antibodies Measured 1 Month After the Infant Dose

    Antibody GMC for 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (Serotypes 1, 3, 5, 6A, 7F, and 19A) presented. GMC (13vPnC) and corresponding 2-sided 95% confidence intervals (CI) were evaluated. GMCs calculated using all participants with available data for the specified blood draw.

    Measured: 1 Month after the infant series (6 months of age)

  3. GMC of Serotype-Specific Pneumococcal IgG Antibodies Measured Before the Toddler Dose

    Antibody GMC for 7 common pneumococcal serotypes (serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F) and 6 additional pneumococcal serotypes specific to 13vPnC (Serotypes 1, 3, 5, 6A, 7F, and 19A) presented. GMC (13vPnC) and corresponding 2-sided 95% CIs evaluated. GMCs calculated using all participants with available data for the specified blood draw.

    Measured: 12 months of age (prior to toddler dose)

Timeline

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

  1. First posted19 Jan 2009 (estimated)
  2. Study startMar 2009
  3. Primary completionJun 2010
  4. Study completionJun 2010

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 3
Primary purpose
Prevention
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
234 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00824655
Sponsor's protocol ID
6096A1-3012
Status last verified
Aug 2011
First submitted
16 Jan 2009
Last updated
10 Aug 2011
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing 13vPnC in people with Pneumococcal Vaccines, run by Pfizer at 7 sites in Sweden.

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 4 inclusion and 2 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: finished, as of the sponsor's last update on 10 Aug 2011. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in Sweden. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

Yes. Results are posted in the registry (first posted 18 Jul 2011). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Geometric Mean Concentration (GMC) of Serotype-Specific Pneumococcal Immunoglobulin G (IgG) Antibodies 1 Month After the Toddler Dose (time frame: 1 month after the toddler dose (13 months of age)). 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 10 Aug 2011.

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