- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT02894840
Safety and Immunogenicity of GPO Seasonal Trivalent Inactivated Influenza Vaccine in Healthy Thai Adults
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
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Description détaillée
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.
Type d'étude
Inscription (Réel)
Phase
- Phase 2
- La phase 1
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
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
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: La prévention
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Double
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
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Comparateur actif: 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.
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The vaccine will be administered via the intramuscular route; the preferred injection site will be the deltoid of the non-dominant arm.
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Comparateur placebo: 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.
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Number of Participants With Adverse Events
Délai: 90 days
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All Adverse Events during 90 days will be analysed in terms of percentage and relationship to study vaccine
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90 days
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Number (Percentage) of Participants With Achieving Seroconversions or Significant Increase in Antihemagglutinin Antibody Titer.
Délai: 90 days
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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.
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90 days
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Geometric Mean of Immune Response at Every Time of Assessment
Délai: 90 days
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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)
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90 days
|
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Geometric Mean of Immune Response Increase > 2.5 From Baseline of H1N1,H3N2 and B/Brisbane/60/2008 Antibody Titer
Délai: 90 days
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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
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90 days
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Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Punnee Pitisuttithum, Prof., Mahidol university
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- GPO Tri Fluvac Vaccine
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
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