Safety and Immunogenicity Study of an Inactivated Vaccine Against Hand, Foot and Mouth Disease Caused by Enterovirus 71
Phase I, Double Blind, Randomized, Placebo-controlled, Dose Escalation Study to Assess the Safety and Immunogenicity of a Prophylactic Vaccine Against Enterovirus Infection in Healthy Adults
1 other identifier
interventional
36
1 country
1
Brief Summary
The purpose of this study is to evaluate the safety and immune response of an inactivated vaccine to prevent hand, foot and mouth disease (HFMD) caused by Enterovirus 71 (EV71).
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 Aug 2011
Shorter than P25 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
First Submitted
Initial submission to the registry
June 16, 2011
CompletedFirst Posted
Study publicly available on registry
June 20, 2011
CompletedStudy Start
First participant enrolled
August 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2012
CompletedMay 6, 2015
May 1, 2015
3 months
June 16, 2011
May 5, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Frequency of systemic adverse events and local reactions in healthy adults following two doses of INV21 given 28 days apart
Frequency and severity of systemic adverse events up to 56 days post first dose. Frequency and severity of local reactions up to 14 days post each dose.
56 days
Secondary Outcomes (1)
Immunogenicity of INV21 vaccine in healthy adults following two doses given 28 days apart
8 months
Study Arms (2)
INV21 Low Dose
EXPERIMENTALINV21 High Dose
EXPERIMENTALInterventions
Inactivated EV71 vaccine containing whole viral particles of EV71 formulated with aluminum hydroxide.
Inactivated EV71 vaccine consisting of whole viral particles of EV71 formulated with aluminum hydroxide.
Eligibility Criteria
You may qualify if:
- Male or female aged 21 to 45 years, inclusive, at time of screening
- In good health as determined by medical history and physical examination.
- Normal clinical safety laboratory examinations.
- Body mass index (BMI) in the range 19-28 kg/m2.
- Documented negative serology for HIV, Hepatitis C antibody, and Hepatitis B surface antigen.
- Females of child bearing potential must have a negative urine pregnancy test result during screening and a negative urine pregnancy test immediately prior to vaccination.
- Willing and able to give written informed consent to participate.
- Willing and able to communicate with the Investigator and understand the requirements of the study.
- Low levels of EV71 neutralizing antibody.
You may not qualify if:
- Any medical, psychiatric, social condition, occupational reason or other responsibility that, in the judgment of the investigator, is a contraindication to protocol participation or impairs a volunteer's ability to give informed consent
- Clinically significant hematological (including bleeding disorders), renal, hepatic, pulmonary (including asthma), central nervous system (including epilepsy, seizures, convulsions, or chronic migraines), cardiovascular, or gastrointestinal disorders, according to Investigator's judgment.
- Ongoing rash or other dermatologic disease.
- Abnormal ECG as assessed by the Investigator.
- History of diabetes mellitus.
- Hypersensitivity to any vaccine.
- History of severe HFMD with CNS involvement.
- Receipt of any vaccine in the 4 weeks preceding the first trial vaccination.
- Planned receipt of any vaccine in the 4 weeks following each of the vaccinations in this study.
- History of thymic pathology, thymectomy, myasthenia or any immunodeficiency.
- History of recurring migraines or on prescription medication for treatment of recurring headaches or migraines.
- Positive urine test for drugs of abuse.
- Females who are pregnant or lactating
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Inviragen Inc.lead
Study Sites (1)
Investigational Medicine Unit, National University Hospital
Singapore, 119074, Singapore
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Paul A Tambyah, MBBS
Department of Medicine, National University Hospital
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 16, 2011
First Posted
June 20, 2011
Study Start
August 1, 2011
Primary Completion
November 1, 2011
Study Completion
April 1, 2012
Last Updated
May 6, 2015
Record last verified: 2015-05