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Pneumococcal InfectionsPhase 3NCT00546572

Study Evaluating The Safety, Tolerability And Immunogenicity Of A 13-Valent Pneumococcal Conjugate Vaccine (13vPnC)

A Phase 3 study testing 13 valent Pneumococcal Conjugate Vaccine and 23vPS in people with Pneumococcal Infections, run by Wyeth is now a wholly owned subsidiary of Pfizer at 58 sites in 2 countries.

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

This study will evaluate the safety, tolerability and immunogenicity of study vaccines 13vPnC and 23vPS in older, healthy subjects who have previously received a dose of 23vPS at least 5 years ago. Read more about this study

Who is it for?
Ages 70 years and olderHealthy volunteers can take part
Conditions the study is for
Pneumococcal Infections
What is being tested?
13 valent Pneumococcal Conjugate Vaccine and 23vPS
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
938 participants
Where
58 sitesin 2 countries
Study dates
Nov 2007to Jul 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 70 years and older
  • All sexes
  • Healthy volunteers accepted
  • Older adult

Who may be able to join

  • Male or Female aged 70 years or older.
  • Documented vaccination with 1 dose of 23vPS at least 5 years previous.
  • Healthy.

Who cannot join

  • Receipt of more than one dose of 23vPS prior to enrollment.
  • History of severe adverse reaction to a vaccine.
  • Immunodeficiency.

Trial locations and contacts

58 sites in 2 countries.

58 sites in 2 countries

United States51 sites
  • Pfizer Investigational Site

    Atlanta, Georgia, 30305

  • Pfizer Investigational Site

    Atlanta, Georgia, 30328

  • Pfizer Investigational Site

    Austin, Texas, 78705

  • Pfizer Investigational Site

    Baltimore, Maryland, 21209

  • Pfizer Investigational Site

    Bristol, Tennessee, 37620

  • Pfizer Investigational Site

    Butte, Montana, 59701

  • Pfizer Investigational Site

    Carnegie, Pennsylvania, 15106

  • Pfizer Investigational Site

    Cary, North Carolina, 27511

  • Pfizer Investigational Site

    Charlotte, North Carolina, 28209

  • Pfizer Investigational Site

    Cincinnati, Ohio, 45229

  • Pfizer Investigational Site

    Cincinnati, Ohio, 45236

  • Pfizer Investigational Site

    Clearwater, Florida, 33761

  • Pfizer Investigational Site

    Cleveland, Ohio, 44195

  • Pfizer Investigational Site

    Coral Gables, Florida, 33134

  • Pfizer Investigational Site

    Corvallis, Oregon, 97330

  • Pfizer Investigational Site

    Denver, Colorado, 80262

  • Pfizer Investigational Site

    Downington, Pennsylvania, 19335

  • Pfizer Investigational Site

    Durham, North Carolina, 27705

  • Pfizer Investigational Site

    Durham, North Carolina, 27710

  • Pfizer Investigational Site

    Eugene, Oregon, 97401

  • Pfizer Investigational Site

    Fargo, North Dakota, 58103

  • Pfizer Investigational Site

    Fountain Valley, California, 92708

  • Pfizer Investigational Site

    Greer, South Carolina, 29651

  • Pfizer Investigational Site

    Grove City, Pennsylvania, 16127

  • Pfizer Investigational Site

    Hickory, North Carolina, 28601

  • Pfizer Investigational Site

    Jacksonville, Florida, 32216

  • Pfizer Investigational Site

    Las Vegas, Nevada, 89146

  • Pfizer Investigational Site

    Lexington, Kentucky, 40536

  • Pfizer Investigational Site

    Mesa, Arizona, 85203

  • Pfizer Investigational Site

    Mesa, Arizona, 85213

  • Pfizer Investigational Site

    Minneapolis, Minnesota, 55417

  • Pfizer Investigational Site

    Mobile, Alabama, 36608

  • Pfizer Investigational Site

    Mt. Pleasant, South Carolina, 29464

  • Pfizer Investigational Site

    Nashville, Tennessee, 37232

  • Pfizer Investigational Site

    Norfolk, Virginia, 23507

  • Pfizer Investigational Site

    Penndel, Pennsylvania, 19047

  • Pfizer Investigational Site

    Pinellas Park, Florida, 33781

  • Pfizer Investigational Site

    Pittsburgh, Pennsylvania, 15241

  • Pfizer Investigational Site

    Raleigh, North Carolina, 27612

  • Pfizer Investigational Site

    Rochester, Minnesota, 55905

  • Pfizer Investigational Site

    Rochester, New York, 14642

  • Pfizer Investigational Site

    Salisbury, North Carolina, 28144

  • Pfizer Investigational Site

    Seattle, Washington, 998101

  • Pfizer Investigational Site

    Shawnee Mission, Kansas, 66128

  • Pfizer Investigational Site

    St Louis, Missouri, 63104

  • Pfizer Investigational Site

    St Louis, Missouri, 63141

  • Pfizer Investigational Site

    Stockbridge, Georgia, 30328

  • Pfizer Investigational Site

    Tampa, Florida, 33614

  • Pfizer Investigational Site

    Upper Saint Clair, Pennsylvania, 15241

  • Pfizer Investigational Site

    Waterbury, Connecticut, 06708

  • Pfizer Investigational Site

    Winston-Salem, North Carolina, 27103

Other trials in United States

Sweden7 sites
  • Pfizer Investigational Site

    Arlöv, 23234

  • Pfizer Investigational Site

    Boden, 96131

  • Pfizer Investigational Site

    Degeberga, 29731

  • Pfizer Investigational Site

    Gothenburg, 40014

  • Pfizer Investigational Site

    Malmö, 21120

  • Pfizer Investigational Site

    Umeå, 90736

  • Pfizer Investigational Site

    Uppsala, 75185

Other trials in Sweden

About this study

Official title: A Phase 3, Randomized, Active-Controlled, Modified Double-Blind Trial, Evaluating The Safety, Tolerability And Immunogenicity Of A 13-Valent Pneumococcal Conjugate Vaccine (13vPnC) Compared To A 23-Valent Pneumococcal Polysaccharide (23vPS) Vaccine in Ambulatory Elderly Individuals Aged 70 Years And Older Who Received One Dose of 23vPS At Least 5 Years Prior To Study Enrollment

This study will evaluate the safety, tolerability and immunogenicity of study vaccines 13vPnC and 23vPS in older, healthy subjects who have previously received a dose of 23vPS at least 5 years ago. It will also evaluate the safety, tolerability and immunogenicity to a dose of 13vPnC 1 year after the initial dose of study vaccine.

Being tested
13 valent Pneumococcal Conjugate Vaccine, 23vPS
Medical subject headings
Pneumococcal Infections

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

  • 23vPSBiological

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

Study groups in NCT00546572
Study groupRoleWhat they receive
1ExperimentalReceives 13vPnC at year 0 and 13vPnC at year 1
Receives: Biological: 13 valent Pneumococcal Conjugate Vaccine
2Active comparatorReceives 23vPS at year 0 and 13vPnC at year 1
Receives: Biological: 23vPS

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 Relative to 23vPS (Vax 1 / Year 0)

    Antibody geometric mean titers as measured by opsonophagocytic activity (OPA) assays for the 12 common 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 Vax 1 / Year 0

  2. Percentage of Participants Achieving a ≥ 4-fold Rise for Serotype 6A OPA Titer for 13vPnC Relative to 23vPS (Vax 1 / Year 0)

    OPA titer for the 6A serotype measured for at least a 4-fold increase from the prevaccination to postvaccination blood sample collection. Exact 2-sided CI (Clopper and Pearson) based upon the observed percentage of participants.

    Measured: Baseline, 1 month after Vax 1 / Year 0

Secondary outcomes (4)
  1. Pneumococcal OPA Geometric Mean Titer (GMT) for Serotype 6A for 13vPnC Relative to 23vPS (Vax 1 / Year 0)

    Antibody geometric mean titer as measured by OPA assay for the 6A pneumococcal serotype. Confidence intervals for the GMT are back transformation of a CI based on the Student t distribution for the mean logarithm of the titer.

    Measured: 1 month after Vax 1 / Year 0

  2. Pneumococcal OPA Geometric Mean Titers (GMTs) for the 13 Serotypes for 13vPnC / 13vPnC (Vax 2 / Year 1) Relative to 13vPnC (Vax 1 / Year 0)

    Antibody geometric mean titers as measured by OPA assays for the 13 serotypes (serotypes 1, 3, 4, 5, 6A, 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 Vax 1 / Year 0, 1 month after Vax 2 / Year 1

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

    Antibody geometric mean titers as measured by OPA assays for the 12 common 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 Vax 1 / Year 0, 1 month after Vax 2 / Year 1

  4. Pneumococcal OPA Geometric Mean Titer (GMT) for Serotype 6A for 13vPnC / 13vPnC (Vax 2 / Year 1) Relative to 23vPS (Vax 1 / Year 0)

    Antibody geometric mean titer as measured by OPA assay for the 6A serotype. Confidence intervals (CI) for the GMT are back transformations of a CI based on the Student t distribution for the mean logarithm of the titer.

    Measured: 1 month after Vax 1 / Year 0, 1 month after Vax 2 / Year 1

Timeline

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

  1. First posted19 Oct 2007 (estimated)
  2. Study startNov 2007
  3. Primary completionJul 2010
  4. Study completionJul 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
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
938 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00546572
Sponsor's protocol ID
6115A1-3005
Other IDs
B1851024
Status last verified
Jul 2011
First submitted
18 Oct 2007
Last updated
14 Jul 2011
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing 13 valent Pneumococcal Conjugate Vaccine and 23vPS in people with Pneumococcal Infections, run by Wyeth is now a wholly owned subsidiary of Pfizer at 58 sites in 2 countries.

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 3 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 14 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 58 sites in United States, 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 30 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 Relative to 23vPS (Vax 1 / Year 0) (time frame: 1 month after Vax 1 / Year 0). 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?
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 14 Jul 2011.

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