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
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 1
Kontakter og lokationer
Studiesteder
-
-
-
Singapore, Singapore, 119074
- Investigational Medicine Unit, National University Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- 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.
Exclusion Criteria:
- 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
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Tredobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: INV21 Low Dose
|
Fosfatbufret saltvand (PBS)
Inactivated EV71 vaccine containing whole viral particles of EV71 formulated with aluminum hydroxide.
Andre navne:
|
|
Eksperimentel: INV21 High Dose
|
Fosfatbufret saltvand (PBS)
Inactivated EV71 vaccine consisting of whole viral particles of EV71 formulated with aluminum hydroxide.
Andre navne:
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Frequency of systemic adverse events and local reactions in healthy adults following two doses of INV21 given 28 days apart
Tidsramme: 56 days
|
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
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Immunogenicity of INV21 vaccine in healthy adults following two doses given 28 days apart
Tidsramme: 8 months
|
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.
|
8 months
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Paul A Tambyah, MBBS, Department of Medicine, National University Hospital
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- INV-EVR-101
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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