Safety and Immunogenicity Study of a Booster Vaccination With a Non-Adjuvanted H5N1 Influenza Vaccine (Follow Up to Study 810501)
An Open-label Phase II Study to Assess the Immunogenicity and Safety of a Booster Vaccination With a Heterologous Vero Cell-Derived Whole Virus H5N1 Influenza Vaccine in a Healthy Young Adult Population (Follow Up to Study 810501)
Aperçu de l'étude
Statut
Statut
Les conditions
Les conditions
Intervention / Traitement
Intervention / Traitement
Type d'étude
Type d'étude
Inscription (Anticipé)
Inscription
Phase
Phase
- Phase 2
Contacts et emplacements
Lieux d'étude
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Vienna, L'Autriche, 1090
- University Hospital, Department of Clinical Pharmacology, General Hospital Vienna
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Critères de participation
Critère d'éligibilité
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
Subjects who participated in Study 810501 will be eligible for participation in the study if they:
- Completed the Day 42 visit in study 810501
- Have an understanding of the study, agree to its provisions, and give written informed consent prior to study entry
- Are clinically healthy, as determined by the Investigator's clinical judgment through collection of medical history and performance of a physical examination
- Agree to keep a daily record of symptoms for the duration of the study
- If female and capable of bearing children, have a negative urine pregnancy test result at study entry and agree to employ adequate birth control measures for the duration of the study
Exclusion Criteria:
- Have a history of vaccination with an H5N1 influenza virus since the second vaccination in study 810501
- Have had an allergic reaction to one of the components of the vaccine since the second vaccination in Study 810501
- Have been diagnosed with a significant neurological, cardiovascular, pulmonary (including asthma), hepatic, rheumatic, autoimmune, hematological, renal or metabolic disorder since the second vaccination in Study 810501
- Are unable to lead an independent life as a result of either physical or mental handicap
- Suffer from any kind of immunodeficiency since the second vaccination in Study 810501
- Suffer from a disease or were undergoing a treatment within 30 days prior to the scheduled booster vaccination or are currently undergoing a form of treatment that can be expected to influence immune response. Such treatment includes, but is not limited to, systemic or high dose inhaled (>800µg/day of beclomethasone dipropionate or equivalent) corticosteroids, radiation treatment or other immunosuppressive or cytotoxic drugs
- Have had severe allergic reactions or anaphylaxis since the second vaccination in Study 810501
- Have a rash, dermatologic condition or tattoos which may interfere with injection site reaction rating
- Have undergone systemic corticoid therapy within 30 days prior to study entry
- Have a functional or surgical asplenia
- Have a known or suspected problem with alcohol or drug abuse
- Were administered an investigational drug within six weeks prior to study entry or are concurrently participating in a clinical study that includes the administration of an investigational product
- Are a member of the team conducting this study or are in a dependent relationship with the study investigator. Dependent relationships include close relatives (i.e., children, partner/spouse, siblings, parents) as well as employees of the investigator If female, are pregnant or lactating
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: La prévention
- Répartition: N / A
- Modèle interventionnel: Affectation à un seul groupe
- Masquage: Aucun (étiquette ouverte)
Que mesure l'étude ?
Principaux critères de jugement
Principaux critères de jugement
Mesure des résultats |
Délai |
|---|---|
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Number of subjects with antibody response to the vaccine strain (A/Indonesia/05/2005) associated with protection 21 days after the booster vaccination (HI antibody titer >= 1:40 or MN titer >= 1:20)
Délai: 9 months
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9 months
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Collaborateurs et enquêteurs
Parrainer
Parrainer
Publications et liens utiles
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Début de l'étude
Achèvement primaire (Réel)
Achèvement primaire
Achèvement de l'étude (Réel)
Achèvement de l'étude
Dates d'inscription aux études
Première soumission
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
Première publication
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
Dernière mise à jour publiée
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Dernière vérification
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
Autres numéros d'identification d'étude
- 810703
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