- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00492557
Study Evaluating Safety and Immunogenicity of 13-Valent Pneumococcal Conjugate Vaccine With Influenza Vaccine in Adults
January 17, 2012 updated by: Pfizer
A Phase 3, Randomized, Double-blind Trial to Evaluate Safety, Tolerability, and Immunogenicity of a 13-Valent Pneumococcal Conjugate Vaccine When Administered Concomitantly With Trivalent Inactivated Influenza Vaccine in Healthy Adults 65 Years of Age or Older, Who Are Naive to 23-Valent Pneumococcal Polysaccharide Vaccine
The 13-valent pneumococcal conjugate vaccine (13vPnC) is being developed for adults to prevent pneumococcal diseases such as meningitis (inflammation of the brain lining), septicemia (blood poisoning), and pneumonia (inflammation of the lungs).
As trivalent influenza vaccine (TIV) is frequently given to adults, it is important to show that both vaccines can safely be given together without affecting the immune response (body's ability to protect against disease).
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
1185
Phase
- Phase 3
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
65 years and older (Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Generally healthy male or female adults 65 years of age or older.
- Available for the duration of the trial - approximately 2 months.
- No previous vaccination with any pneumococcal vaccine.
- No history of severe adverse reaction associated with a vaccine.
- No allergy to egg proteins (eggs or egg products) and chicken proteins.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 13vPnC+TIV Followed by Placebo 1 month later
|
Single 0.5 milliliter (mL) 13-valent pneumococcal conjugate vaccine (13vPnC) and a single 0.5 mL trivalent inactivated influenza vaccine (TIV), administered intramuscularly (IM), followed by a single 0.5 mL vaccine 13vPnC placebo, 1 month later.
|
Active Comparator: Placebo+TIV Followed by 13vPnC 1 month later
|
Single 0.5 mL 13vPnC placebo vaccine and a single 0.5 mL TIV, administered IM, followed by a single 0.5 mL 13vPnC vaccine, 1 month later.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
TIV Comparisons: Percentage of Participants Achieving at Least a 4-fold Increase in the Titer of the Standard Hemagglutination Inhibition Assay (HAI)
Time Frame: Baseline and 1 month after TIV vaccination
|
Percentage of participants achieving at least a 4-fold increase in the titer of the standard HAI for each influenza virus subtype (A/H1N1, A/H3N2, and B) were compared.
|
Baseline and 1 month after TIV vaccination
|
13vPnC Comparisons: Serotype-specific Pneumococcal Immunoglobulin G (IgG) Geometric Mean Concentration (GMC)
Time Frame: 1 month after 13vPnC vaccination
|
IgG GMC as measured by enzyme-linked immunosorbent assay (ELISA) and expressed in micrograms per mL (mcg/mL) for serotypes 1, 3, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F.
|
1 month after 13vPnC vaccination
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of Participants With Pre-specified Local Reactions
Time Frame: Days 1 through 14 after 13vPnC vaccination
|
Local reactions were reported using an electronic diary.
Pain was scaled as Any; Mild (awareness but easily tolerated); Moderate (discomfort enough to interfere with usual activity) and Severe (incapacitating the usual activity).
Redness and swelling were scaled as Any; Mild (2.5 cm to 5.0 cm); Moderate (5.1 to 10.0 cm)and Severe (> 10.0 cm).
Limitation in arm movement were scaled as Any; Mild (some limitation); Moderate (unable to move above head but able to move above shoulder) and Severe (unable to move above shoulder).
|
Days 1 through 14 after 13vPnC vaccination
|
Percentage of Participants With Pre-specified Systemic Events
Time Frame: Days 1 through 14 after 13vPnC vaccination
|
Systemic events (Any fever >= 38 degrees Celsius [C]), fatigue, headache, chills, rash, vomiting, decreased appetite, new muscle pain, any aggravated muscle pain, new joint pain or any aggravated joint pain.
Participants may be presented in more than one category.
|
Days 1 through 14 after 13vPnC vaccination
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
September 1, 2007
Primary Completion (Actual)
February 1, 2008
Study Completion (Actual)
February 1, 2008
Study Registration Dates
First Submitted
June 26, 2007
First Submitted That Met QC Criteria
June 26, 2007
First Posted (Estimate)
June 27, 2007
Study Record Updates
Last Update Posted (Estimate)
February 17, 2012
Last Update Submitted That Met QC Criteria
January 17, 2012
Last Verified
January 1, 2012
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 6115A1-3008
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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