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Hand, Foot and Mouth DiseasePhase 1NCT01376479

Safety and Immunogenicity Study of an Inactivated Vaccine Against Hand, Foot and Mouth Disease Caused by Enterovirus 71

A Phase 1 study testing INV21 Low Dose and INV21 High Dose in people with Hand, Foot and Mouth Disease, run by Inviragen Inc. at 1 site in Singapore.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial 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). Read more about this study

Who is it for?
Ages 21 to 45 yearsHealthy volunteers can take part
Conditions the study is for
Hand, Foot and Mouth Disease
What is being tested?
INV21 Low Dose and INV21 High Dose
Type of treatment
Vaccines
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
36 participants
Where
1 siteSingapore
Study dates
Aug 2011to Apr 2012
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 to 45 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • 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.
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  • 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.

Who cannot join

  • 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.
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  • 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

Trial locations and contacts

1 site in 1 country.

Singapore1 site
  • Investigational Medicine Unit, National University Hospital

    Singapore, 119074

Other trials in Singapore

About this study

Official title: 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

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).

Read the detailed description

Hand, foot and mouth disease (HFMD) caused by Enterovirus 71 (EV71) can be severely debilitating for some children with a risk of paralysis and death. The most susceptible age group is the 1 to 5 year olds, and the disease is spread via the oral-fecal route. Currently, there is no antiviral therapy nor there is a vaccine available to prevent HFMD. In this study, an inactivated vaccine (INV21) based on the EV71 antigen will be evaluated in terms of safety and immune response that is generated after two doses of the vaccine are given to healthy adults. Safety assessments include the frequency and severity of systemic adverse events as well as local reactions. Immune response will be assessed by measurement of EV71 neutralizing antibody levels at specified time points throughout the study.

Being tested
INV21 Low Dose, INV21 High Dose, Placebo
Keywords
HFMD, EV71, Enterovirus, INV21, Encephalitis
Medical subject headings
Hand, Foot and Mouth Disease, Enterovirus Infections, Encephalitis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • INV21 Low DoseBiological

    Also called INV21

    Inactivated EV71 vaccine containing whole viral particles of EV71 formulated with aluminum hydroxide.

  • INV21 High DoseBiological

    Also called INV21

    Inactivated EV71 vaccine consisting of whole viral particles of EV71 formulated with aluminum hydroxide.

  • PlaceboBiological

    Phosphate Buffered Saline (PBS)

Study groups in NCT01376479
Study groupRoleWhat they receive
INV21 Low DoseExperimentalNot described
Receives: Biological: INV21 Low Dose; Biological: Placebo
INV21 High DoseExperimentalNot described
Receives: Biological: INV21 High Dose; Biological: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  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.

    Measured: 56 days

Secondary outcomes (1)
  1. Immunogenicity of INV21 vaccine in healthy adults following two doses given 28 days apart

    Geometric mean titers based on neutralizing antibody titers. Measurement of fold-increase over baseline of neutralizing titers against EV71. Durability of immune response at 2 months and 6 months after the last dose.

    Measured: 8 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 Jun 2011 (estimated)
  2. Study startAug 2011
  3. Primary completionNov 2011
  4. Study completionApr 2012

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01376479
Sponsor's protocol ID
INV-EVR-101
Status last verified
May 2015
First submitted
16 Jun 2011
Last updated
6 May 2015
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing INV21 Low Dose and INV21 High Dose in people with Hand, Foot and Mouth Disease, run by Inviragen Inc. at 1 site in Singapore.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 6 May 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Singapore. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Frequency of systemic adverse events and local reactions in healthy adults following two doses of INV21 given 28 days apart (time frame: 56 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 May 2015.

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