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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02547792
Registration number
NCT02547792
Ethics application status
Date submitted
9/09/2015
Date registered
11/09/2015
Titles & IDs
Public title
Assessment of an Oral Influenza B Vaccine Tablet (VXA-BYW.10) Following Single Dose Administration in Healthy Adults
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Scientific title
Phase 1 , Placebo-Controlled, Dose-Ranging Trial to Determine Safety and Immunogenicity of an Oral Adenoviral-Vector Based Influenza B Vaccine
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Secondary ID [1]
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VXA03-001
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Seasonal Influenza B
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Other - VXA-BYW.10 (Low Dose) Oral Vaccine
Treatment: Other - VXA-BYW.10 (High Dose) Oral Vaccine
Other interventions - Placebo Tablets
Experimental: VXA-BYW.10 (Low Dose) Oral Vaccine - Single administration of Influenza B (Low Dose) oral vaccine tablets
Experimental: VXA-BYW.10 (High Dose) Oral Vaccine - Single administration of Influenza B (High Dose) oral vaccine tablets
Placebo comparator: Placebo Tablets - Matching placebo dose (size and number of tablets) to low dose vaccine (part 1) and high dose (part 2)
Treatment: Other: VXA-BYW.10 (Low Dose) Oral Vaccine
Enteric coated tablet for oral delivery
Treatment: Other: VXA-BYW.10 (High Dose) Oral Vaccine
Enteric coated tablet for oral delivery
Other interventions: Placebo Tablets
Enteric coated tablet for oral delivery
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Intervention code [1]
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Treatment: Other
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Intervention code [2]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Safety and Tolerability of Single High Dose of an Oral Influenza B Tablet Vaccine
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Assessment method [1]
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Safety determined by reported solicited (reactogenicity) and unsolicited AEs.
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Timepoint [1]
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Day 28
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Secondary outcome [1]
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Immunogenicity of Single high Dose of an Oral Influenza B Tablet Vaccine
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Assessment method [1]
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Efficacy determined by HAI titers at Day 28 post-vaccination
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Timepoint [1]
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Day 28
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Eligibility
Key inclusion criteria
* In good health as established by medical history, physical examination, and laboratory testing at the time of enrollment.
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Minimum age
18
Years
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Maximum age
49
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
* Positive for B influenza by HAI.
* Has had an influenza vaccine in the past 2 years.
* Current history of chronic alcohol use and/or illicit and/or recreational drug use.
* History of any confirmed or suspected immunodeficient or immunosuppressive condition
* Positive serology for HIV, HCV, or HBV
* Previous serious reactions to vaccination such as anaphylaxis, respiratory problems, hives, or abdominal pain.
* History of irritable bowel disease or other inflammatory digestive or gastrointestinal conditions that could affect the intended distribution of the vaccine targeting the mucosa of the small intestine
* Use of proton pump inhibitors(Nexium, Prilosec).
* Stool sample with occult blood at baseline exam
* Pregnancy
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
20/10/2015
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
21/11/2016
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Sample size
Target
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Accrual to date
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Final
54
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Christchurch
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Vaxart
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a phase 1, single-center, placeb-controlled, double-blind study. The purpose of this study is to determine the safety and immunogenicity of an oral vaccine tablet to prevent seasonal influenza B tested at two dose levels (low and high dose). The study will enroll 27 subjects in the low dose cohorts (3 sentinel open label subjects followed by 24 subjects (randomized 2:1 to vaccine vs placebo, respectively). Subsequently, 27 subjects will be enrolled in the high dose cohort in a similar manner as to the low dose cohort. Safety and immunogenicity will be evaluated at Day 28. Long term safety follow-up will be evaluated through 1 year post vaccination.
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Trial website
https://clinicaltrials.gov/study/NCT02547792
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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David Liebowitz, MD, PhD
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Address
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Vaxart, Inc.
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02547792