A Study to Evaluate the Safety and Immunogenicity of EV71 Vaccine in Pediatric Subjects Aged 3 to 6 Years and 6 to 35 Months Old

NCT ID: NCT02777411

Last Updated: 2016-11-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

122 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-12-31

Study Completion Date

2016-01-31

Brief Summary

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The objectives of this study are to evaluate the immune response and safety profiles of two injections of EV71 vaccine administrated with or without adjuvant AlPO4 at 0.5-μg, 1-μg, 2-μg and 5-μg dose (if required) in children aged 3 to 6 years old and 0.25-μg (if required), 0.5-μg, 1-μg and 2-μg (if required) in 6 to 35 months old infants/toddlers.

Detailed Description

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Conditions

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Enterovirus Infections

Keywords

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Vaccines Hand, Foot and Mouth Disease EV71 enteroviruses vaccine

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Group A1

3 to 6 years

Group Type EXPERIMENTAL

EV71 vaccine ([0.5 μg total protein + adjuvant 150 μg AIPO4] per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Group A2

3 to 6 years

Group Type EXPERIMENTAL

EV71 vaccine ([1 μg total protein + adjuvant 150 μg AIPO4] per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Group A3

3 to 6 years

Group Type EXPERIMENTAL

EV71 vaccine ([2 μg total protein + adjuvant 150 μg AIPO4] per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Group A4

3 to 6 years

Group Type EXPERIMENTAL

EV71 vaccine (2 μg total protein per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Group B2

6 to 35 months

Group Type EXPERIMENTAL

EV71 vaccine ([0.5 μg total protein + adjuvant 150 μg AIPO4] per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Group B3

6 to 35 months

Group Type EXPERIMENTAL

EV71 vaccine ([1 μg total protein + adjuvant 150 μg AIPO4] per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Group B4

6 to 35 months

Group Type EXPERIMENTAL

EV71 vaccine (1 μg total protein per dose)

Intervention Type BIOLOGICAL

Two vaccinations at 28 days apart

Interventions

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EV71 vaccine ([0.5 μg total protein + adjuvant 150 μg AIPO4] per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

EV71 vaccine ([1 μg total protein + adjuvant 150 μg AIPO4] per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

EV71 vaccine ([2 μg total protein + adjuvant 150 μg AIPO4] per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

EV71 vaccine (2 μg total protein per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

EV71 vaccine ([0.5 μg total protein + adjuvant 150 μg AIPO4] per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

EV71 vaccine ([1 μg total protein + adjuvant 150 μg AIPO4] per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

EV71 vaccine (1 μg total protein per dose)

Two vaccinations at 28 days apart

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

1. Healthy children aged from 3 to 6 years old (i.e. ≥ 3 years old and \< 7 years old) for Part A; from 6 to 35 months old (i.e. ≥ 6 months old and \< 36 months old) for Part B at the time of first vaccination.
2. Subject's guardians were able and willing to comply with study procedures and give written informed consent.
3. Subject was able and could comply with the requirements of the protocol.
4. Subject with body temperature ≤38°C.

Exclusion Criteria

1. Subject with previous known exposure to Enterovirus 71 (EV71).
2. Subject with a history of herpangina, hand-foot-mouth disease, acute hemorrhagic conjunctivitis associated with enterovirus infection in the past 3 months.
3. Subject with gestation \< 37 weeks.
4. Subject with birth weight \<2.5 kg.
5. Subject with a history of hypersensitivity to vaccines, or a history of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
6. Family history of seizures or progressive neurological disease.
7. Family history of congenital or hereditary immunodeficiency.
8. Severe malnutrition or dysgenopathy.
9. Major congenital defects or serious chronic illness, including perinatal brain damage.
10. Subject diagnosed of having autoimmune disease (e.g., celiac disease, type I diabetes, lupus (SLE), juvenile dermatomyositis, scleroderma, juvenile idiopathic arthritis (JIA), immune (or idiopathic) thrombocytopenia purpura).
11. Bleeding disorder diagnosed by a doctor or significant bruising or bleeding difficulties with IM injections or blood draws.
12. Any acute infections 7 days prior to administrate the first vaccination.
13. Use of any investigational product (including drug, vaccine) within 30 days prior to vaccination or planned use during the study period.
14. Administration of any attenuated live vaccine within 7 days prior to vaccination.
15. Use of immunoglobulins or any blood products within 3 months prior to vaccination or planned use during the study period.
16. Chronic administration (defined as \> 14 days) of immunosuppressants or other immunomodulators or systemic corticosteroids within 6 months prior to vaccination.
17. Under anti-tuberculosis prevention or therapy.
18. Any condition that in the opinion of the investigator may interfere with the evaluation of study objectives.
Minimum Eligible Age

6 Months

Maximum Eligible Age

6 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Enimmune Corporation

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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China Medical University Hospital

Taichung, , Taiwan

Site Status

National Taiwan University Hospital

Taipei, , Taiwan

Site Status

Taipei Veterans General Hospital

Taipei, , Taiwan

Site Status

Linkou Chang Gung Memorial Hospital

Taoyuan District, , Taiwan

Site Status

Countries

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Taiwan

Other Identifiers

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EV-RB1401

Identifier Type: -

Identifier Source: org_study_id