Further Investigation of an Intramuscular Influenza Vaccine (Multimeric-001)
A Phase II, Randomized, Two Stage, Double-Blind, Placebo-Controlled, Safety and Immunogenicity Study of an Intramuscular Influenza Vaccine (Multimeric-001) Injected to Healthy Volunteers
1 other identifier
interventional
200
1 country
2
Brief Summary
This is a multi-center, randomized, two stage, double-blind, placebo-controlled administration study comprising 200 healthy participants.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Jul 2010
Shorter than P25 for phase_2
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 13, 2010
CompletedFirst Posted
Study publicly available on registry
June 17, 2010
CompletedStudy Start
First participant enrolled
July 1, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2011
CompletedJuly 31, 2012
July 1, 2012
10 months
June 13, 2010
July 30, 2012
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Number of Participants with Adverse Events as a Measure of Safety and Tolerability
Number of Participants with Adverse Events possible/probably related to the study drug in each group were similar in the experimental and control groups.
From day 0 until day 221
Anti Multimeric-001 antibodies
Direct Elisa assay to test the titer of human antibodies that recognize the Multimeric-001 protein. Humoral immunity was manifested 21 and 60 days post immunization by significantly elevated anti-M-001 IgG levels among subjects administered twice with adjuvanted M-001
21 days after second immunization with M-001
Secondary Outcomes (1)
Hemagglutination Inhibition (HAI) test for anti influenza antibodies
21 days post co administration of M-001 and TIV 50%
Other Outcomes (1)
Cellular Immunogenicity
21 days after co administration of M-001 and TIV 50%
Study Arms (6)
Multimeric-001, Adjuvanted
EXPERIMENTAL64 subjects received 2 injections of Adjuvanted Multimeric-001, 500 mcg with an interval of 21 days and then 60 days later were further immunized with a 15% dose of commercial seasonal trivalent vaccine (season 2011).
PBS and TIV 15%
ACTIVE COMPARATOR32 subjects received 2 injections of PBS (Phosphate Buffered Saline) with an interval of 21 days and then were further immunized 60 days later with a 15% dose of commercial seasonal trivalent vaccine (season 2011).
Placebo, Adjuvanted
PLACEBO COMPARATOR32 subjects received Adjuvanted PBS (Placebo) with an interval of 21 days.
Co-administration M-001 and TIV 15%
EXPERIMENTAL24 subjects received 2 injections on the same day, one injection containing Adjuvanted Multimeric-001 500 mcg and the other containing TIV 15%.
Co administration of M-001 and TIV 50%
EXPERIMENTAL24 subjects received 2 injections on the same day, one injection containing Adjuvanted Multimeric-001 500 mcg and the other containing TIV 50%.
Co administration of PBS and TIV 50%
ACTIVE COMPARATOR24 subjects received 2 injections on the same day, one injection containing PBS and the other containing TIV 50%.
Interventions
Adjuvanted Multimeric-001 was administered twice with an interval of 19-23 days.
Adjuvanted PBS was administered twice with an interval of 19-23 days.
PBS (Phosphate Buffered Saline) was administered twice with an interval of 19-23 days and then 60 days later a 15% dose of commercial seasonal trivalent vaccine (season 2011) was administered.
PBS (Phosphate Buffered Saline) was administered twice with an interval of 19-23 days and then 60 days later a 50% dose of commercial seasonal trivalent vaccine (season 2011) was administered.
Eligibility Criteria
You may qualify if:
- Healthy males and females between the age of 18 and 49 years (inclusive).
- Subjects who provide written informed consent to participate in the study.
- Subjects able to adhere to the visit schedule and protocol requirements and be available to complete the study.
- Haematology, chemistry and urinalysis values with no clinical significance or do not reflect a medical condition which, according to the physician's judgment, might confound the results of the study or pose additional risk to the subject by participation in the study.
- Female of childbearing age must agree to use an acceptable method of contraception and male subjects should use a condom throughout the study period (until termination visit) if female partner is not using an effective contraceptive method.
- Subjects who are seronegative to at least one of the strains included in the seasonal vaccine against influenza for 2011.
You may not qualify if:
- Known history of significant medical disorder, which in the investigator's judgment, might confound the results of the study or pose additional risk to the subject by participation in the study.
- Subjects with known Guillain Barré Syndrome in the past.
- Two or more hospitalizations within the last year prior to screening visit.
- Known bleeding disorders including hemophilia or thrombocytopenia, or treatment with anticoagulant therapy (risk of bleeding with intramuscular injection).
- Immunocompromised patients and those receiving concomitant immunosuppressive therapy; or other immune modulating drugs including chronic steroid treatment.
- Subjects who have been immunized with anti-influenza vaccine or infected by influenza virus within eight months prior to the screening visit.
- Administration of any vaccine 30 days before the screening visit.
- Known hypersensitivity to previous influenza vaccination.
- Use of an influenza antiviral medication within 4 weeks of vaccination.
- Known hypersensitivity and/or allergy to any drug or vaccine.
- Known hypersensitivity to egg proteins (eggs or egg products), chicken proteins, or any of the vaccine components.
- Known history of drug or alcohol abuse.
- Any clinically significant abnormality upon physical examination or in the clinical laboratory tests at screening visit which, according to the physician's judgment, might confound the results of the study or pose additional risk to the subject by participation in the study.
- Increased liver enzymes more than 2.5 times above the upper reference level.
- Positive serology for HIV, HCV antibody or HBsAg.
- +5 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Clinical Research Center, Hadassah Medical Center
Jerusalem, Israel
Clinical Research Center, Tel-Aviv Sourasky Medical Center
Tel Aviv, Israel
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Jacob Atsmon, MD
Clinical Research Center, Tel-Aviv Sourasky Medical Center
- PRINCIPAL INVESTIGATOR
Yosef Caraco, Phd
Clinical Research Center, Hadassah Medical Center, Jerusalem
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 13, 2010
First Posted
June 17, 2010
Study Start
July 1, 2010
Primary Completion
May 1, 2011
Study Completion
June 1, 2011
Last Updated
July 31, 2012
Record last verified: 2012-07