Safety and Immunogenicity of GPO Seasonal Trivalent Inactivated Influenza Vaccine in Healthy Thai Adults
8. marts 2020 opdateret af: Punnee Pitisuttithum, Mahidol University
A Phase I/II Randomized Double Blind Controlled Study to Evaluate the Safety and Immunogenicity of GPO Seasonal Trivalent Inactivated Split Virion Influenza Vaccine in Healthy Thai Adults Aged Between 18 Years to 49 Years
The study is aim to evaluate the safety and immunogenicity of one dose (15 μg HA per strain per dose) of the GPO seasonal trivalent inactivated split virion influenza vaccine (Tri Fluvac) in healthy adults aged 18 to 49 years over 90 days post-injection.
Studieoversigt
Status
Afsluttet
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
This is a double blind randomized study consisting of two phases - Phase I and Phase II. The same vaccine, a seasonal trivalent inactivated split virion influenza vaccine [A/California/7/2009, reassortant virus NYMC X-181 (H1N1), A/Victoria/210/2009, reassortant virus NYMC X-187 (H3N2), and B/Brisbane/60/2008, reassortant virus NYMC BX-35 virus strains] will be given in both Phase I and Phase II of the study.
The vaccine will be administered via the intramuscular route; the preferred injection site will be the deltoid of the non-dominant arm. After vaccination volunteers will remain at the clinic for at least 30 minutes to observe for any reactogenicity after immunization. Total follow-up is 90 days.
Blood specimens will be collected on Day 0 prior to vaccination, Day 21, Day 60, and day 90.
Undersøgelsestype
Interventionel
Tilmelding (Faktiske)
340
Fase
- Fase 2
- Fase 1
Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
18 år til 49 år (Voksen)
Tager imod sunde frivillige
Ja
Køn, der er berettiget til at studere
Alle
Beskrivelse
Inclusion Criteria:
- Healthy
- Age 18-49 years old
- Having Thai ID card or equivalent
- All hematology, biochemistry and urine analysis are within normal range or of no clinical significance (not higher than 1.5 time of normal value without any clinical finding from history and physical examination)
- Able to read and write and sign written informed consent form or assent form.
Exclusion Criteria:
- Known history of egg allergy
- Having had recently influenza infection confirmed as H1N1, H3N2, or Flu B within 3 months preceding enrolment to the trial
- Vaccination against influenza in the past 6 months preceding enrolment to the trial
- History of bronchial asthma, chronic lung diseases, chronic rhinitis
- History of immunodeficiency state
- History of immunosuppression < 6 months prior to immunization
- History of anaphylactic or other allergic reactions to influenza vaccine or any vaccine component or excipient (e.g. gentamicin or thimerosal)
- Acute infectious with fever > 38 degree Celsius and noninfectious diseases (within 72 hours) preceding enrollment in the trial
- The volunteers who have been taking immunoglobulin products or have had a blood transfusion during past 3 months before the beginning of the experiment
- Participation in other research study
- Pregnancy or plan to become pregnant for 60 days after enrollment or breast feeding
- Current alcohol abuse or drug addiction that might interfere with the ability to comply with trial procedures
- Any condition that in the opinion of the investigator would pose a health risk to the subject if enrolled, or could interfere with the evaluation of the vaccine
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: an inactivated influenza vaccine
20 volunteers in phase I study and 200 volunteers in phase II study will receive a single dose of a seasonal trivalent inactivated split virion influenza vaccine [A/California/7/2009, reassortant virus NYMC X-181 (H1N1), A/Victoria/210/2009, reassortant virus NYMC X-187 (H3N2), and B/Brisbane/60/2008, reassortant virus NYMC BX-35 virus strains] will be administered via the intramuscular route; the preferred injection site will be the deltoid of the non-dominant arm.
|
The vaccine will be administered via the intramuscular route; the preferred injection site will be the deltoid of the non-dominant arm.
|
|
Placebo komparator: Placebo
20 volunteers in phase I study and 100 volunteers in phase II study will receive a single dose of placebo will be administered via the intramuscular route; the preferred injection site will be the deltoid of the non-dominant arm.
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The placebo will be administered via the intramuscular route; the preferred injection site will be the deltoid of the non-dominant arm.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Number of Participants With Adverse Events
Tidsramme: 90 days
|
All Adverse Events during 90 days will be analysed in terms of percentage and relationship to study vaccine
|
90 days
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Number (Percentage) of Participants With Achieving Seroconversions or Significant Increase in Antihemagglutinin Antibody Titer.
Tidsramme: 90 days
|
Seroconversion is defined as a 4-fold rise in HAI titer in post-immunization serum relative to pre-immunization serum, or if pre-immunization serum had an undetectable titer (<1:10), attainment of a post-immunization titer of ≥1:40.
|
90 days
|
|
Geometric Mean of Immune Response at Every Time of Assessment
Tidsramme: 90 days
|
The analysis was performed only as intention-to-treat (ITT).
The antibody titer values were transformed into log10 titers for calculation of the GMT at every time of assessment (Days 0,21, 60 and 90)
|
90 days
|
|
Geometric Mean of Immune Response Increase > 2.5 From Baseline of H1N1,H3N2 and B/Brisbane/60/2008 Antibody Titer
Tidsramme: 90 days
|
The analysis was performed only as intention-to-treat (ITT).
The antibody titer values were transformed into log10 titers for calculation of the GMT at every time of assessment (Days 0, 21, 60 and 90).
Proportion of increased in GMT Titer > 2.5 at each time of assessment compared with baseline (Day 0) was reported both phase I and phase II
|
90 days
|
Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Sponsor
Efterforskere
- Ledende efterforsker: Punnee Pitisuttithum, Prof., Mahidol university
Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart (Faktiske)
1. november 2015
Primær færdiggørelse (Faktiske)
1. juli 2016
Studieafslutning (Faktiske)
1. november 2016
Datoer for studieregistrering
Først indsendt
24. august 2016
Først indsendt, der opfyldte QC-kriterier
5. september 2016
Først opslået (Skøn)
9. september 2016
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
17. marts 2020
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
8. marts 2020
Sidst verificeret
1. marts 2020
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- GPO Tri Fluvac Vaccine
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
INGEN
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