Invaplex 50 Vaccine Dose-Ranging
Safety and Immunogenicity Study of an Intranasal Shigella Flexneri 2a Invaplex 50 Vaccine
3 other identifiers
interventional
32
1 country
1
Brief Summary
The vaccine is given as a nose spray. Volunteers will receive a 3-dose vaccination with doses spaced two weeks apart. Volunteers will be assigned to a vaccination group based on their order of enrollment with consideration of their availability to complete the necessary vaccinations and follow-up visits.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Apr 2004
Typical duration for phase_1
1 active site
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
Study Start
First participant enrolled
April 1, 2004
CompletedFirst Submitted
Initial submission to the registry
April 28, 2004
CompletedFirst Posted
Study publicly available on registry
April 30, 2004
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2006
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2006
CompletedApril 30, 2015
April 1, 2015
2.6 years
April 28, 2004
April 28, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Safety
Mucosal immune response
Systemic immune response
Interventions
Eligibility Criteria
You may qualify if:
- Be in very good health.
You may not qualify if:
- Smoker, or have stopped smoking less than one year ago
- Pregnant
- History of chronic illnesses, such as: asthma, chronic sinusitis, or chronic seasonal allergies (such as hay fever)
- Received a vaccination for Shigella or exposure to Shigella bacteria in a research study or through work in a laboratory
- Positive for HIV, hepatitis B, and hepatitis C by blood test
- Using anti-diarrheal, anti-constipation, or antacid medications on a regular basis
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Walter Reed Army Institute of Research
Silver Spring, Maryland, 20910, United States
Related Publications (1)
Tribble D, Kaminski R, Cantrell J, Nelson M, Porter C, Baqar S, Williams C, Arora R, Saunders J, Ananthakrishnan M, Sanders J, Zaucha G, Turbyfill R, Oaks E. Safety and immunogenicity of a Shigella flexneri 2a Invaplex 50 intranasal vaccine in adult volunteers. Vaccine. 2010 Aug 23;28(37):6076-85. doi: 10.1016/j.vaccine.2010.06.086. Epub 2010 Jul 7.
PMID: 20619378DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
David Tribble, MD, PhD
Naval Medical Research Center
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- FED
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 28, 2004
First Posted
April 30, 2004
Study Start
April 1, 2004
Primary Completion
November 1, 2006
Study Completion
November 1, 2006
Last Updated
April 30, 2015
Record last verified: 2015-04