Safety, Tolerability and Immunogenicity Study of AV7909 Anthrax Vaccine in Healthy Adults
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Purpose
The purpose of this Phase 1 clinical trial is to evaluate the safety, tolerability, and immunogenicity of AV7909 anthrax vaccine in healthy adults. In this study, healthy male and female subjects between 18 and 50 years of age will receive vaccinations via the intramuscular (IM) route at Days 0 and 14. Safety and tolerability will be evaluated via laboratory tests, physical examinations, vital signs, adverse events (AEs), concomitant medications, and local and systemic signs and symptoms of reactogenicity.
| Condition | Intervention | Phase |
|---|---|---|
|
Bacillus Anthracis (Anthrax) |
Biological: Anthrax Vaccine Adsorbed (AVA) Biological: AV7909 Formulation 1 Biological: AV7909 Formulation 2 Biological: AV7909 Formulation 3 Biological: AV7909 Formulation 4 Drug: Control |
Phase 1 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Safety Study Intervention Model: Single Group Assignment Masking: Double Blind (Subject, Caregiver, Investigator) Primary Purpose: Prevention |
| Official Title: | A Parallel-arm, Double-blind, Randomized, Placebo-controlled, Dose-ranging Clinical Trial Evaluating the Safety, Tolerability and Immunogenicity of AV7909 in Healthy Adults |
- Safety, as evaluated by adverse events and clinical laboratory tests [ Time Frame: Visits at Days 0, 1, 2, 7, 14, 21, 35, 42, 70, and 84 ] [ Designated as safety issue: Yes ]Sequential assessments of symptoms, physical exam findings, and clinical laboratory tests.
- Immunogenicity four AV7909 formulations, compared with saline placebo and anthrax vaccine adsorbed (AVA) alone [ Time Frame: Visits through Day 84 after first immunization ] [ Designated as safety issue: No ]Anti-protective antigen (PA) antibody responses measured by anti-PA IgG and by the toxin neutralization assay (TNA).
| Enrollment: | 105 |
| Study Start Date: | December 2010 |
| Study Completion Date: | June 2012 |
| Primary Completion Date: | May 2012 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Active Comparator: AVA alone
AVA 0.5 mL
|
Biological: Anthrax Vaccine Adsorbed (AVA)
AVA alone
|
| Experimental: AV7909 Formulation 1 |
Biological: AV7909 Formulation 1
AV7909 Formulation 1
|
| Experimental: AV7909 Formulation 2 |
Biological: AV7909 Formulation 2
AV7909 Formulation 2
|
| Experimental: AV7909 Formulation 3 |
Biological: AV7909 Formulation 3
AV7909 Formulation 3
|
| Experimental: AV7909 Formulation 4 |
Biological: AV7909 Formulation 4
AV7909 Formulation 4
|
|
Placebo Comparator: Control
Saline control
|
Drug: Control
Saline control
|
Detailed Description:
AV7909 is a new vaccine which is a combination of BioThrax (also called anthrax vaccine, adsorbed or AVA), a FDA-licensed vaccine, and CPG 7909. CPG 7909 is a synthetic short DNA sequence that has been shown to be an effective vaccine adjuvant, and one which increases the speed and the degree of the immune response to Protective Antigen (PA), the major vaccine antigen. In the current study, the safety, tolerability, and antibody response to PA will be studied for four different combinations of AVA and CPG 7909, and compared to both AVA and a saline placebo. All formulations of AV7909 have the same or less AVA than the licensed AVA vaccine and all have less CPG 7909 per dose than the formulation used in the first Phase I volunteer study of CPG 7909 combined with AVA.
Eligibility| Ages Eligible for Study: | 18 Years to 50 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Be between 18 and 50 years of age, inclusive, at the time of enrollment.
- Be in good health as determined by the investigator from medical history and a physical examination.
- If a pre-menopausal female, must be using acceptable methods of birth control.
- Have all hematology and chemistry parameters (measured at Screening) within the laboratory's normal range.
- Have negative values for the following tests at Screening: Hepatitis C antibody, anti-Human Immunodeficiency Virus (Anti-HIV-1/-2/-O), and anti-Hepatitis B Core Antigen (Anti-HBc).
- Be willing and capable of complying with all aspects of the protocol through completion of the required visits.
- Have not donated blood in the preceding 8 weeks and are willing to not donate blood or plasma within 56 days after dosing.
- Have adequate venous access for repeat phlebotomies.
- Have read, understood and signed an informed consent form.
Exclusion Criteria:
Key Exclusion Criteria:
- A known anaphylactic response, severe systematic response, or serious hypersensitivity reaction to a prior immunization.
- Prior immunization with anthrax vaccine, recombinant Protective Antigen (rPA) vaccine, or known exposure to anthrax organisms.
- Have previously served in the military or plans to enlist in the military from Screening through Day 84.
- Have participated in anthrax therapeutic or vaccine trials (monoclonal anti-protective antigen (PA) or anthrax immune globulins or anthrax vaccines).
- Participation in any investigational clinical trial within 30 days preceding the Screening visit or planning to participate in a clinical trial requiring dosing through the Day 194 visit.
- A history of drug or alcohol abuse within 12 months prior to Screening, or a positive result on a urine drug screen for amphetamines, barbiturates, benzodiazepines, cocaine, marijuana, methylenedioxymethamphetamine opiates, oxycodone, phencyclidine, propoxyphene, or tricyclic antidepressants.
- Blood pressure greater than 145 millimeters of mercury (mmHg) systolic or 90 mmHg diastolic.
- Past history of significant autoimmune disease such as rheumatoid arthritis, lupus erythematous, psoriasis, glomerulonephritis, or autoimmune thyroiditis.
- A medical condition that, in the opinion of the Principal Investigator (PI), could adversely impact the subject's participation, safety, or conduct of the study.
Contacts and Locations| United States, Florida | |
| Miami Research Associates | |
| Miami, Florida, United States, 33143 | |
| United States, North Carolina | |
| North Carolina Clinical Research | |
| Raleigh, North Carolina, United States, 27607 | |
| United States, Utah | |
| Jean Brown Research | |
| Salt Lake City, Utah, United States, 84124 | |
| Study Director: | Edward Bernton, MD | Emergent Biosolutions, Inc. |
More Information
No publications provided
| Responsible Party: | Emergent BioSolutions |
| ClinicalTrials.gov Identifier: | NCT01263691 History of Changes |
| Other Study ID Numbers: | EBS.AVA.201 / DMID 10-0013, HHSN272200800051C |
| Study First Received: | December 17, 2010 |
| Last Updated: | August 20, 2012 |
| Health Authority: | United States: Food and Drug Administration |
Keywords provided by Emergent BioSolutions:
|
AVA AV7909 Anthrax vaccine |
Additional relevant MeSH terms:
|
Anthrax Bacillaceae Infections Gram-Positive Bacterial Infections Bacterial Infections |
ClinicalTrials.gov processed this record on May 19, 2013