- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT02430506
A Study to Evaluate Safety and Immunogenicity of AERAS-402 Administered in HIV-negative, BCG-vaccinated, QFT (+) and (-) Adults Without Evidence of TB (C-012-402)
A Phase I Randomized Placebo-controlled Double-blind Study to Evaluate Safety and Immunogenicity of AERAS-402 Administered in HIV-negative, BCG-vaccinated, QuantiFERON®-TB Gold (+) and QuantiFERON®-TB Gold (-) Adults Without Evidence of Tuberculosis.
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
Detaillierte Beschreibung
This Phase I study will be conducted as a double-blind, randomized, placebo-controlled study in 20 healthy adult subjects. The study will enroll 10 subjects who are QFT-G positive at screening and 10 subjects who are QFT-G negative at screening. Within QFT-G group, subjects will be randomized to receive AERAS-402 or placebo in a ratio of 4:1. One dose level of AERAS-402 (3 x 10^10 vp) will be investigated in this study. All subjects will receive a single dose of study vaccine (AERAS-402 or placebo) on Study Day 0 and a second dose of study vaccine (AERAS-402 or placebo) on Study Day 56. All vaccinations will be administered by IM injection into the deltoid muscle.
The sample size was selected as adequate for preliminary safety evaluations and initial immunogenicity reviews for this phase study, rather than for statistical reasons. If no serious adverse events are observed in 16 subjects who receive AERAS-402, the upper bound of the 95% confidence interval on the rate of serious adverse event occurrence is 17.1 percent.
The selection of AERAS-402 dose level for evaluation in this study was derived from animal studies and based on the safety profile for the completed and ongoing clinical studies in the U.S. and South Africa.The total duration of follow-up is 182 days for each subject with a total of eleven follow-up clinic visits. The study is planned at a single site in Kisumu, Kenya.
Studientyp
Einschreibung (Tatsächlich)
Phase
- Phase 1
Kontakte und Standorte
Studienorte
-
-
-
Kisumu, Kenia
- Kenya Medical Research Institute
-
-
Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Is male or female
- Is age 18 through 45 years on Study Day 0
- Has completed the written informed consent process
- Had BCG vaccination at least 5 years ago, documented through medical history or presence of scar
- Females: Ability to avoid pregnancy from 28 days prior to administration of the study vaccine through the end of the study.
- Has general good health, confirmed by medical history and physical examination.
- Has Body Mass Index (BMI) between 18 and 30 (wt./ht.2) by nomogram
- Has ability to complete follow-up period of 182 days as required by the protocol
- Is able and willing to commit to avoiding elective surgery for the duration of the study.
- Is able and willing to stay in contact with the study site for the duration of the study.
- Has completed simultaneous enrollment in Aeras Vaccine Development Registry Protocol.
Exclusion Criteria:
- Acute illness on the day of randomization.
- Fever ≥37.5°C on the day of randomization.
- Evidence of any significant active infection on the day of randomization.
- Used immunosuppressive medication within 45 days before entry into the study (inhaled and topical corticosteroids are permitted).
- Received immunoglobulin or blood products within 45 days before entry into the study.
- Received any investigational drug therapy or vaccine within 182 days before the first dose of study vaccine in this protocol.
- Received any standard vaccine within 45 days before the first dose of study vaccine in this protocol, through the last study visit (the use of licensed drugs or vaccines medically indicated during the study is permitted).
- Received any adenovector based vaccine previously.
- Current chronic drug therapy including hormones such as thyroxin, insulin, etc. (Estrogen and progesterone replacement and contraceptives are permitted)
- History or laboratory evidence of any past, present or future possible immunodeficiency state which will include, but is not limited to, any laboratory indication of HIV-1 infection.
- History of allergic disease or reactions likely to be exacerbated by any component of the study vaccine.
- Previous medical history that may compromise the safety of the subject in the study.
- Evidence of a new acute illness that may compromise the safety of the subject in the study.
- Pregnant or lactating/nursing females.
- Evidence of chronic hepatitis including a positive test for hepatitis B core antibody, or hepatitis C antibody.
- Inability to discontinue daily medications except contraceptives during the study.
- History of alcohol or drug abuse within the past 2 years.
- Tobacco or cannabis smoking three or more days per week
- Positive urine test for illicit drugs (opiates, cocaine, amphetamines).
- History or evidence of any systemic disease on physical examination or any acute or chronic illness that may interfere with the evaluation of the safety or immunogenicity of the vaccine, including axillary lymphadenopathy
- History or evidence (including chest X-ray) of active or past tuberculosis
- Abnormal hemoglobin, hematocrit, white blood cell count, absolute neutrophil count, absolute lymphocyte count, PT, PTT, GGT, ALT, AST, total bilirubin, ALP, and creatinine drawn within 36 hours of randomization. CPK must be drawn but the CPK value is not an exclusion criteria.
- History of high risk sexual behaviors.
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Verhütung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Vervierfachen
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
---|---|
Placebo-Komparator: Placebo
1.0 mL sterile buffer administered by intramuscular (IM) injection to deltoid area on days 0 and 56.
|
This is the identical buffer solution in which AERAS-402 is formulated.
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Experimental: AERAS-402
1.0 mL containing 3 x 10^10 vp/mL suspended in 20 mM Tris buffer, 2 mM MgCl2, 25 mM NaCl, 10% w/v sucrose, 0.02% w/v PS-80 (polysorbate-80, non-animal source) and water.
Administered intramuscular (IM) injection to deltoid area on days 0 and 56.
|
Given to 8 participants that were QFT-G(-) at screening and 8 participants that were GFT-G(+) at screening.
|
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
Safety of AERAS-402 in healthy, HIV-negative, BCG-vaccinated, QuantiFERON®-TB Gold In-Tube test (QFT-G)(+) and QFT-G(-) adults without evidence of tuberculosis disease in Kenya.
Zeitfenster: Day 0 thru Day 182
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Collection of solicited and unsolicited adverse events.
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Day 0 thru Day 182
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
Immunogenicity profile of AERAS-402 in healthy, HIV-negative, BCG-vaccinated, QFT-G(+) and QFT-G(-) adults without evidence of tuberculosis disease in Kenya.
Zeitfenster: Day 0 thru day 182
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Percentage of CD4 and CD8 T cells that produce any of three cytokines (IFN-γ, TNF-α, and/or IL-2) or a combination of the three cytokines simultaneously.
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Day 0 thru day 182
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Mitarbeiter und Ermittler
Sponsor
Ermittler
- Hauptermittler: Doug Walsh, MD, U. S. Army Medical Research Unit- Kenya
Publikationen und hilfreiche Links
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- C-012-402
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