- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT00819013
Safety Study of Recombinant M2e Influenza-A Vaccine in Healthy Adults (FLU-A)
A Phase 1, Randomized, Placebo-Controlled, Double-Blind, Safety, Reactogenicity, and Immunogenicity of Recombinant M2e Influenza-A Vaccine Candidate ACAM FLU-A) in Healthy Adults
This multi-center study will be conducted in the United States with up to 80 healthy adult subjects. Subjects will be scheduled to receive a total of two (2) injections with 1 injection each administered.
Subjects will be randomized according to a randomization scheme.
Panoramica dello studio
Stato
Condizioni
Descrizione dettagliata
Tipo di studio
Iscrizione (Effettivo)
Fase
- Fase 1
Contatti e Sedi
Luoghi di studio
-
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Florida
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Miami, Florida, Stati Uniti, 33143
- Miami Research Associates
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Kansas
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Lenexa, Kansas, Stati Uniti, 66219
- Johnson County Clin-Trials
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Washington
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Tacoma, Washington, Stati Uniti, 98418
- Northwest Kinetics
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-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Adult males or females 18 - 40 years of age in good general health
Exclusion Criteria:
- Known allergies or severe reactions to any of the vaccine components including those to adjuvants
- History of severe allergic reactions, including angioedema;
- History of asthma or recurrent wheezing; (current or within past 2 years);
- History of neurological symptoms or signs following administration of any vaccine;
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Prevenzione
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Triplicare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: Study Group 1
ACAM-FLU-A low dose + Adjuvant 1
|
0.5 mL ACAM-FLU-A low dose + Adjuvant 1, Intramuscular
Altri nomi:
0.5 mL ACAM-FLU-A low dose + Adjuvant 2, Intramuscular
Altri nomi:
0.5 mL ACAM FLU-A low dose, Intramuscular
Altri nomi:
|
|
Sperimentale: Study Group 2
ACAM-FLU-A low dose + Adjuvant 2
|
0.5 mL ACAM-FLU-A low dose + Adjuvant 1, Intramuscular
Altri nomi:
0.5 mL ACAM-FLU-A low dose + Adjuvant 2, Intramuscular
Altri nomi:
0.5 mL ACAM FLU-A low dose, Intramuscular
Altri nomi:
|
|
Sperimentale: Study Group 3
ACAM-FLU-A low dose
|
0.5 mL ACAM-FLU-A low dose + Adjuvant 1, Intramuscular
Altri nomi:
0.5 mL ACAM-FLU-A low dose + Adjuvant 2, Intramuscular
Altri nomi:
0.5 mL ACAM FLU-A low dose, Intramuscular
Altri nomi:
|
|
Comparatore placebo: Study Group 4
Saline placebo
|
0.5 mL, Intramuscular
Altri nomi:
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Number of Participants Reporting Adverse Events by System Organ Class After Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or a Placebo Vaccine.
Lasso di tempo: Day 0 through Day 60 post-vaccination
|
Day 0 through Day 60 post-vaccination
|
|
|
Number of Participants Reporting a Solicited Injection Site or Systemic Adverse Event After Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 through Day 7 post-vaccination
|
Solicited Injection Site Adverse Events: Erythema, Induration, Pain, Pruritus, Swelling, Rash.
Solicited Systemic Adverse Events: Lymph Node Pain, Pyrexia (Temperature), Chills, Constipation, Diarrhoea, Fatigue, Headache, Malaise, Myalgia, Nausea, Vomiting, Alanine Aminotransferase Increased, Aspartate Aminotransferase Increased, Blood Creatinine Increased, Haemoglobin Decreased, Platelet Count Decreased, White Blood Cell Count Increased.
|
Day 0 through Day 7 post-vaccination
|
|
Number of Participants With Evaluated Laboratory Abnormalities After Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 through Day 60 post-vaccination 1
|
Day 0 through Day 60 post-vaccination 1
|
|
|
Number of Participants With Seroconversion to M2e Antigen During Initial Treatment and Follow Up Period After Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine
Lasso di tempo: Day 15 through Month 10 Post-vaccination 1
|
Seroconversion was defined as an end point anti M2e antibody titer ≥ 100.
Antibody responses were assessed by means of enzyme linked immunosorbent assay (ELISA)
|
Day 15 through Month 10 Post-vaccination 1
|
|
Geometric Mean Titers (GMTs) of Vaccine Antibodies After Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or a Placebo Vaccine.
Lasso di tempo: Day 15 through Month 10 Post-vaccination 1
|
Antibody responses to the respective vaccines were assessed by means of enzyme linked immunosorbent assay (ELISA). A GMT value of 50.0 indicates a titer at or below the lowest limit of quantitation (LLOQ) |
Day 15 through Month 10 Post-vaccination 1
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Number of Participants With Signs and Symptoms of Influenza After Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Month 4 through Month 10 post-vaccination 1
|
Participants who reported signs and symptoms of influenza were tested using nasal pharyngeal swabs, with secretions cultured using susceptible tissue culture cell lines.
Positive cultures were confirmed as influenza using immunofluorescence techniques with influenza strain specific antibodies.
|
Month 4 through Month 10 post-vaccination 1
|
|
Number of Participants With Seroconversion to M2e Antigen by Immunoglobulin G (IgG) Subclasses Before and Post-Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 and Day 60 Post-vaccination 1
|
Seroconversion was defined as an antibody Titer ≥ 100.
Antibody responses were assessed by means of enzyme linked immunosorbent assay (ELISA)
|
Day 0 and Day 60 Post-vaccination 1
|
|
Geometric Mean Titers of Anti-M2e Antigen by Immunoglobulin G (IgG) Subclasses Before and Post-Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 and Day 60 Post-vaccination 1
|
Antibody responses were assessed by means of enzyme linked immunosorbent assay (ELISA). A GMT value of 50.0 indicates a titer at or below the lowest limit of quantitation (LLOQ). |
Day 0 and Day 60 Post-vaccination 1
|
|
Geometric Mean Titer Ratios of Anti-M2e Antigen by Immunoglobulin G (IgG) Subclasses Before and Post-Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 and Day 60 Post-vaccination 1
|
Antibody responses were assessed by means of enzyme linked immunosorbent assay (ELISA).
|
Day 0 and Day 60 Post-vaccination 1
|
|
Geometric Mean Titers (GMTs) of Anti-Hepatitis B Core Antibodies Using Immunoglobulin G (IgG) ELISA Before and Post-Vaccination With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 and Day 15 through Month 10 post-vaccination 1
|
Antibody responses were assessed by means of enzyme linked immunosorbent assay (ELISA)
|
Day 0 and Day 15 through Month 10 post-vaccination 1
|
|
Number of Participants With Seropositivity to Hepatitis B Core Antigen Pre- and Post-Vaccination 1 With ACAM FLU A, or ACAM FLU A With Adjuvant, or Placebo Vaccine.
Lasso di tempo: Day 0 and Day 15 through Month 10 Post-vaccination 1
|
Seropositivity with ELISA was defined as a Pre- or post-vaccination antibody titer ≥ 100. Seropositivity with the Commercial Kit method was defined as a positive pre- or post-vaccination response. Seropositivity were assessed by means of enzyme linked immunosorbent assay (ELISA) and the Commercial Kit methods |
Day 0 and Day 15 through Month 10 Post-vaccination 1
|
Collaboratori e investigatori
Sponsor
Pubblicazioni e link utili
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Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Stima)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Stima)
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Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- H-261-001
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