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AzTrials

Pneumococcal VaccinesPhase 3NCT00574548

Study Evaluating the Safety, Tolerability and Immunogenicity of 13vPnC as a 2-Dose Regimen or With 23vPS

A Phase 3 study testing 13 valent Pneumococcal Conjugate Vaccine and 23-valent Pneumococcal Polysaccharide Vaccine in people with Pneumococcal Vaccines, run by Wyeth is now a wholly owned subsidiary of Pfizer at 6 sites in United States.

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 objective of this study is to compare the safety, tolerability and immunologic response to a dose of 23vPS or 13vPnC given one year after either 13vPnC or 23vPS in subjects that have never received a previous dose of 23vPS. Read more about this study

Who is it for?
Ages 60 to 64 yearsHealthy volunteers can take part
Conditions the study is for
Pneumococcal Vaccines
What is being tested?
13 valent Pneumococcal Conjugate Vaccine and 23-valent Pneumococcal Polysaccharide Vaccine
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
720 participants
Where
6 sitesUnited States
Study dates
Nov 2007to Feb 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 60 to 64 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Male or Female, aged 60 to 64 years.
  • Healthy.

Who cannot join

  • Previous vaccination with any licensed or experimental pneumococcal vaccine.
  • History of severe adverse reaction associated with a vaccine.
  • Immunodeficiency.

Trial locations and contacts

6 sites in 1 country.

6 sites in 1 country

United States6 sites
  • Pfizer Investigational Site

    Boise, Idaho, 83704

  • Pfizer Investigational Site

    Bristol, Tennessee, 37620

  • Pfizer Investigational Site

    Chandler, Arizona, 85224

  • Pfizer Investigational Site

    Cincinnati, Ohio, 45229

  • Pfizer Investigational Site

    Pembroke Pines, Florida, 33024

  • Pfizer Investigational Site

    Raleigh, North Carolina, 27609

Other trials in United States

About this study

Official title: A Phase 3, Randomized, Active-Controlled, Modified Double-blind Trial to Evaluate the Safety, Tolerability, and Immunogenicity of 13-valent Pneumococcal Conjugate Vaccine When Administered Over 12 Months Either as a 2-Dose Regimen or With 23-valent Pneumococcal Polysaccharide Vaccine in Healthy Adults 60 to 64 Years of Age Who Are Naive to 23vPS

The objective of this study is to compare the safety, tolerability and immunologic response to a dose of 23vPS or 13vPnC given one year after either 13vPnC or 23vPS in subjects that have never received a previous dose of 23vPS.

Being tested
13 valent Pneumococcal Conjugate Vaccine, 23-valent Pneumococcal Polysaccharide Vaccine
Keywords
Vaccines, Pneumococcal Conjugate Vaccine

What participants receive

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

  • 13 valent Pneumococcal Conjugate VaccineBiological

    0.5 ml dose 13vPnC will be administered into the deltoid muscle at year 0 and year 1

  • 13 valent Pneumococcal Conjugate VaccineBiological

    0.5 ml dose 13vPnC will be administered into the deltoid muscle at year 0 and 0.5 ml dose 23vPS at year 1

  • 13 valent Pneumococcal Conjugate VaccineBiological

    0.5 ml dose 23vPS will be administered into the deltoid muscle at year 0 and 0.5 ml dose 13vPnC at year 1

  • 23-valent Pneumococcal Polysaccharide VaccineBiological

    0.5 ml dose 23vPS will be administered into the deltoid muscle at year 0 and 0.5 ml dose 13vPnC at year 1

  • 23-valent Pneumococcal Polysaccharide VaccineBiological

    0.5 ml dose 13vPnC will be administered into the deltoid muscle at year 0 and 0.5 ml dose 23vPS at year 1

Study groups in NCT00574548
Study groupRoleWhat they receive
Group 1.1ExperimentalGroup 1.1 = 13vPnC then 13vPnC
Receives: Biological: 13 valent Pneumococcal Conjugate Vaccine
Group 1.2ExperimentalGroup 1.2 = 13vPnC then 23vPS
Receives: Biological: 13 valent Pneumococcal Conjugate Vaccine; Biological: 23-valent Pneumococcal Polysaccharide Vaccine
Group 2ExperimentalGroup 2 = 23vPS then 13vPnC
Receives: Biological: 13 valent Pneumococcal Conjugate Vaccine; Biological: 23-valent Pneumococcal Polysaccharide Vaccine

What is being measured

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

  1. Pneumococcal OPA Geometric Mean Titers (GMTs) for the 12 Common Serotypes for 13vPnC / 23vPS (Year 1) Versus 23vPS (Year 0)

    Antibody geometric mean titers as measured by opsonophagocytic assays (OPA) for 12 common pneumococcal serotypes (serotypes 1, 3, 4, 5, 6B, 7F, 9V, 14, 18C, 19A, 19F, and 23F). Confidence intervals (CI) for the GMTs are back transformations of a CI based on the Student t distribution for the mean logarithm of the titers.

    Measured: 1 month after vaccination 1 (Vax 1=Day 1/ Year 0 [Visit 1]) and 1 month after vaccination 2 (Vax 2=Day 351 up to Day 379 after Visit 1)

  2. Pneumococcal OPA Geometric Mean Titers (GMTs) for the 12 Common Serotypes for 13vPnC / 23vPS Versus 23vPS / 13vPnC (Year 1)

    Antibody geometric mean titers as measured by opsonophagocytic assays (OPA) for 12 common pneumococcal serotypes (serotypes 1, 3, 4, 5, 6B, 7F, 9V, 14, 18C, 19A, 19F, and 23F). Confidence intervals (CI) for the GMTs are back transformations of a CI based on the Student t distribution for the mean logarithm of the titers.

    Measured: 1 month after vaccination 2 (Vax 2=Day 351 up to Day 379 after Visit 1)

Secondary outcomes (2)
  1. Pneumococcal OPA Geometric Mean Titers (GMTs) for the 13 Serotypes for 13vPnC / 13vPnC (Year 1) Versus 13vPnC (Year 0)

    Antibody geometric mean titers as measured by opsonophagocytic assays (OPA) for the pneumococcal serotypes (serotypes 1, 3, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F, and 23F). The 6A pneumococcal serotype is specific to 13vPnC. Confidence intervals (CI) for the GMTs are back transformations of a CI based on the Student t distribution for the mean logarithm of the titers.

    Measured: 1 month after vaccination 1 (Vax 1=Day 1/ Year 0 [Visit 1]) and 1 month after vaccination 2 (Vax 2=Day 351 up to Day 379 after Visit 1)

  2. Pneumococcal OPA Geometric Mean Titers (GMTs) for the 12 Common Serotypes for 13vPnC / 23vPS (Year 1) Versus 13vPnC (Year 0)

    Antibody geometric mean titers as measured by opsonophagocytic assays (OPA) for 12 common pneumococcal serotypes (serotypes 1, 3, 4, 5, 6B, 7F, 9V, 14, 18C, 19A, 19F, and 23F). Confidence intervals (CI) for the GMTs are back transformations of a CI based on the Student t distribution for the mean logarithm of the titers.

    Measured: 1 month after vaccination 1 (Vax 1=Day 1/ Year 0 [Visit 1]) and 1 month after vaccination 2 (Vax 2=Day 351 up to Day 379 after Visit 1)

Timeline

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

  1. First posted17 Dec 2007 (estimated)
  2. Study startNov 2007
  3. Primary completionFeb 2010
  4. Study completionFeb 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
Randomised
Intervention model
Crossover
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
720 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00574548
Sponsor's protocol ID
6115A1-3010
Other IDs
B1851027
Status last verified
Jul 2011
First submitted
13 Dec 2007
Last updated
22 Jul 2011
Data monitoring committee
No

Publications

  • Greenberg RN, Gurtman A, Frenck RW, Strout C, Jansen KU, Trammel J, Scott DA, Emini EA, Gruber WC, Schmoele-Thoma B. Sequential administration of 13-valent pneumococcal conjugate vaccine and 23-valent pneumococcal polysaccharide vaccine in pneumococcal vaccine-naive adults 60-64 years of age. Vaccine. 2014 Apr 25;32(20):2364-74. doi: 10.1016/j.vaccine.2014.02.002. Epub 2014 Mar 5.

    PubMed 24606865

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing 13 valent Pneumococcal Conjugate Vaccine and 23-valent Pneumococcal Polysaccharide Vaccine in people with Pneumococcal Vaccines, run by Wyeth is now a wholly owned subsidiary of Pfizer at 6 sites in United States.

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 2 inclusion and 3 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 22 Jul 2011. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 sites in United States. 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 9 May 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?

Pneumococcal OPA Geometric Mean Titers (GMTs) for the 12 Common Serotypes for 13vPnC / 23vPS (Year 1) Versus 23vPS (Year 0) (time frame: 1 month after vaccination 1 (Vax 1=Day 1/ Year 0 [Visit 1]) and 1 month after vaccination 2 (Vax 2=Day 351 up to Day 379 after Visit 1)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00574548, which also lists 1 linked publication.

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 22 Jul 2011.

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