- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT00089908
Safety of and Immune Response to a Dengue Virus Vaccine (rDEN1delta30) in Healthy Adults
Phase I Study of the Safety and Immunogenicity of rDEN1delta30, a Live Attenuated Virus Vaccine Candidate for the Prevention of Dengue Serotype 1
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
More than 2 billion people living in tropical and subtropical regions of the world are at risk of dengue virus infection. Dengue viruses cause dengue fever, as well as the more severe dengue hemorrhagic fever/shock syndrome, and dengue virus infection is the leading cause of hospitalization and death in children in several tropical Asian countries. This study will evaluate the safety and immunogenicity of a live, attenuated dengue virus called rDEN1delta30, which is derived from the Western Pacific DEN1 serotype.
This study will last 180 days. Participants in Cohort 1 will be randomly assigned to receive rDEN1delta30 or placebo at study entry. Cohort 2 will begin only after safety review of all participants in Cohort 1. Participants in Cohort 2 will receive a higher dose of rDEN1delta30 or placebo.
After vaccination, participants will be asked to monitor their temperature every day for 16 days. Study visits will occur every other day after vaccination until Day 16, followed by 4 additional visits at selected days through Day 180. Blood collection and a targeted physical exam will occur at each study visit. Some participants will be asked to undergo a skin biopsy or additional blood collection at selected visits.
Tipo di studio
Iscrizione (Effettivo)
Fase
- Fase 1
Contatti e Sedi
Luoghi di studio
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Maryland
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Baltimore, Maryland, Stati Uniti, 21205
- Center for Immunization Research, Johns Hopkins School of Public Health
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Willing to be followed for the duration of the study
- Willing to use acceptable methods of contraception
- Good general health
Exclusion Criteria:
- Clinically significant neurologic, cardiac, pulmonary, hepatic, rheumatologic, autoimmune, or renal disease
- Behavioral, cognitive, or psychiatric disease that, in the opinion of the investigator, affects the ability of the volunteer to understand and cooperate with the study
- Liver, renal, or hematologic disease
- Alcohol or drug abuse within 12 months of study entry
- History of severe allergic reaction or anaphylaxis
- Emergency room visit or hospitalization for severe asthma within 6 months of study entry
- HIV-1 infected
- HCV infected
- Hepatitis B surface antigen positive
- Known immunodeficiency syndrome
- Use of corticosteroids or immunosuppressive drugs within 30 days of study entry. Participants who have used topical or nasal corticosteroids are not excluded.
- Live vaccine within 4 weeks of study entry
- Killed vaccine within 2 weeks of study entry
- Blood products within 6 months of study entry
- Investigational drugs or vaccines within 60 days prior to study entry or while currently enrolled in this clinical trial
- Previously received a licensed or experimental yellow fever or dengue vaccine
- Surgical removal of spleen
- History of dengue virus infection or other flavivirus infection
- Other condition that, in the opinion of the investigator, would affect the participant's participation in the study
- Pregnancy or breastfeeding
- Plan to travel to an area where dengue infection is common
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 |
|---|---|
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Sperimentale: 1
One subcutaneous vaccination with rDEN1delta30 vaccine (10^3 PFU dose) into the deltoid region of either arm.
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Live attenuated rDEN1delta30 vaccine
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Sperimentale: 2
One subcutaneous vaccination with rDEN1delta30 vaccine (10^5 PFU dose) into the deltoid region of either arm.
This arm may enroll after Arm 1 depending on the effect of the vaccine on subjects in Arm 1.
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Live attenuated rDEN1delta30 vaccine
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Comparatore placebo: 3
One subcutaneous vaccination with placebo into the deltoid region of either arm.
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Placebo per rDEN1delta30
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Lasso di tempo |
|---|---|
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Determine the frequency of vaccine related AEs for each dose graded by severity
Lasso di tempo: Throughout study
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Throughout study
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Determine the amount of dengue 1 neutralizing antibody induced by the vaccine
Lasso di tempo: At Day 42
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At Day 42
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Misure di risultato secondarie
Misura del risultato |
Lasso di tempo |
|---|---|
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Per valutare la durata della risposta anticorpale
Lasso di tempo: Al giorno 180
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Al giorno 180
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Per valutare la frequenza, la quantità e la durata della viremia in ciascuna coorte di dose studiata
Lasso di tempo: Durante lo studio
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Durante lo studio
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To compare the T cell mediated immune response against dengue viruses of those volunteers infected with the rDEN1delta30 vaccine virus with that of uninfected volunteers and placebo recipients
Lasso di tempo: Throughout study
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Throughout study
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If both doses of vaccine are administered, to compare the infectivity rates, safety, and immunogenicity between dose groups
Lasso di tempo: At study completion
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At study completion
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Valutare il meccanismo immunopatologico del rash associato al vaccino in quei volontari che sono disposti a sottoporsi a biopsia cutanea
Lasso di tempo: Durante lo studio
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Durante lo studio
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Collaboratori e investigatori
Collaboratori
Investigatori
- Investigatore principale: Anna Durbin, MD, Center for Immunization Research, John Hopkins School of Public Health
Pubblicazioni e link utili
Pubblicazioni generali
- Jacobs M, Young P. Dengue vaccines: preparing to roll back dengue. Curr Opin Investig Drugs. 2003 Feb;4(2):168-71.
- Pang T. Vaccines for the prevention of neglected diseases--dengue fever. Curr Opin Biotechnol. 2003 Jun;14(3):332-6. doi: 10.1016/s0958-1669(03)00061-2.
- Rothman AL. Dengue: defining protective versus pathologic immunity. J Clin Invest. 2004 Apr;113(7):946-51. doi: 10.1172/JCI21512.
- Sun W, Edelman R, Kanesa-Thasan N, Eckels KH, Putnak JR, King AD, Houng HS, Tang D, Scherer JM, Hoke CH Jr, Innis BL. Vaccination of human volunteers with monovalent and tetravalent live-attenuated dengue vaccine candidates. Am J Trop Med Hyg. 2003 Dec;69(6 Suppl):24-31. doi: 10.4269/ajtmh.2003.69.6_suppl.0690024.
Studiare le date dei record
Studia le date principali
Inizio studio
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)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- CIR 199
- H.22.04.04.23.B2
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
Prove cliniche su rDEN1delta30
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National Institute of Allergy and Infectious Diseases...Johns Hopkins Bloomberg School of Public HealthCompletato
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National Institute of Allergy and Infectious Diseases...Johns Hopkins Bloomberg School of Public HealthCompletato