- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00617851
Study to Evaluate the Consistency of Three Consecutive Production Lots of Influenza Vaccine in Healthy Subjects 18 to 49 Years Old
A Phase III, Randomized, Controlled, Observer-Blind, Single-Center Study to Evaluate the Consistency of Three Consecutive Lots of a Trivalent Subunit Influenza Vaccine Produced in Embryonated Hen Eggs in Healthy Subjects Aged 18 to 49 Years
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
-
Santo Domingo, Dominican Republic
- Centro de Salud Galvan
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Santo Domingo, Dominican Republic
- Hosp. Nuestra Sra. Altagracia
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 18 to 49 years of age;
- In good health as determined by medical history and physical examination;
- Able and willing to provide written informed consent prior to any study procedure;
- Able to comply with all study procedures and available for all clinic visits scheduled in the study.
Exclusion Criteria:
- Any serious disease, such as: cancer, autoimmune disease (including rheumatoid arthritis), advanced arteriosclerotic disease or complicated diabetes mellitus
- History of any anaphylaxis, serious vaccine reactions, or hypersensitivity to eggs, egg protein, chicken feathers, influenza viral protein, neomycin, polymyxin, or any other vaccine component, chemically related substance, or component of the potential packaging materials (latex);
- Known or suspected impairment/alteration of immune function
- Receipt of an influenza vaccine within 6 months prior to Visit 1;
- Current drug or alcohol abuse or a history of drug or alcohol abuse that in the investigator's opinion would interfere with safety of the subject or the evaluation of the study objectives;
- Laboratory-confirmed influenza disease within 6 months prior to Visit 1
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Influenza virus vaccine (lot A)
Lot A of the investigational influenza virus vaccine
|
1 injection of the trivalent subunit influenza virus vaccine (lot A) administered intramuscularly
|
Experimental: Influenza virus vaccine (lot B)
Lot B of the investigational influenza virus vaccine
|
1 injection of the trivalent subunit influenza virus vaccine (lot B) administered intramuscularly
|
Experimental: Influenza virus vaccine (lot C)
Lot C of the investigational influenza virus vaccine
|
1 injection of the trivalent subunit influenza virus vaccine (lot C) administered intramuscularly
|
Experimental: Influenza virus vaccine (pooled)
Pooled data of all three lots (Lot A, B and C) of the investigational influenza virus vaccine
|
1 injection of the pooled trivalent subunit influenza virus vaccine administered intramuscularly
|
Active Comparator: Comparator influenza vaccine
A US licensed influenza virus vaccine
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1 injection of the trivalent subunit influenza virus vaccine administered intramuscularly
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Geometric Mean Titers (GMTs), by Vaccine Lots
Time Frame: 21 days after vaccination
|
The immunologic equivalence of three consecutive production lots of the influenza virus vaccine was measured in terms of GMTs for all vaccine influenza strains.
|
21 days after vaccination
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Geometric Mean Titers (GMTs), by Vaccine Group and Strain
Time Frame: 21 days after vaccination
|
The GMTs and 95% CIs were calculated for each of the vaccine group (three consecutive production lots pooled for the investigational influenza virus vaccine and comparator) and for each strain.
|
21 days after vaccination
|
Number of Subjects Reporting Solicited Local and Systemic Symptoms
Time Frame: 7 days after vaccination
|
Solicited local and systemic reactions were assessed after vaccination for the two vaccines (three consecutive production lots pooled for the investigational influenza virus vaccine and comparator) and for each of the three consecutive production lots of the investigational influenza virus vaccine.
|
7 days after vaccination
|
Number of Subjects With at Least One Unsolicited Adverse Event
Time Frame: 3 weeks after vaccination
|
Number of subjects reporting at least one unsolicited adverse event, regardless of the assessement of relatedness to the study vaccines (each of the three consecutive production lots of the investigational influenza virus vaccine, the pooled influenza virus vaccine, and the comparator influenza vaccine).
|
3 weeks after vaccination
|
Percentage of Subjects With Seroprotection and Seroconversion (Strain A/H1N1)
Time Frame: 21 days after vaccination
|
The percentage of subjects who were seroprotected and seroconverted were considered statistically compliant with the stated CBER guidance criteria if:
|
21 days after vaccination
|
Percentage of Subjects With Seroprotection and Seroconversion (Strain A/H3N2)
Time Frame: 21 days after vaccination
|
The percentage of subjects who were seroprotected and seroconverted were considered statistically compliant with the stated CBER guidance criteria if:
|
21 days after vaccination
|
Percentage of Subjects With Seroprotection and Seroconversion (Strain B)
Time Frame: 21 days after vaccination
|
The percentage of subjects who were seroprotected and seroconverted were considered statistically compliant with the stated CBER guidance criteria if:
|
21 days after vaccination
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- V71P6
- 13299
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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