Phase I Trial to Assess the Safety, Tolerability and Immunogenicity of a Ebola Virus Vaccine (rVSVΔG-ZEBOV-GP)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-11-30

Study Completion Date

2015-11-30

Brief Summary

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The study is designed to establish safety, tolerability and immunogenicity of rVSVΔG-ZEBOV-GP (BPSC1001), an Ebola Virus Vaccine candidate (recombinant vesicular stomatitis virus (VSV) expressing the envelope glycoprotein of Ebola Virus Zaire), investigated at three different dose levels in 30 healthy adults in Germany. This study is part of the WHO led VEBCON consortium that is aiming to generate harmonized data for the rVSVΔG-ZEBOV-GP (BPSC1001) vaccine candidate to allow optimized rapid decisions on dose and safety.

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Detailed Description

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This study is being conducted to assess safety and immunogenicity of an experimental ebola vaccine.

An outbreak due to the Ebola Zaire (ZEBOV) strain of unprecedented magnitude and scope and with a high mortality continues to spread across West Africa. No vaccine is currently licensed.

The specific opportunity at hand with rVSVΔG-ZEBOV-GP (BPSC1001) is to achieve long-lasting protective immunity to ZEBOV on a time scale of weeks in humans upon a single-shot vaccination, offering a discrete benefit over prime-boost vaccination protocols. The current outbreak represents a global health emergency and the need for access to therapeutic intervention and vaccines is paramount.

The vaccine investigated in this study might provide a critical tool to suppress future out-breaks of EVD in areas at risk.

This study is 1 of 4 clinical trials currently conducted as part of the WHO-led VEBCON consortium, aiming to generate harmonized data for the rVSVΔG-ZEBOV-GP (BPSC1001) vaccine candidate to allow optimized rapid decisions on dose and safety.

Conditions

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Hemorrhagic Fever, Ebola

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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rVSVΔ-ZEBOV-GP (BPSC1001)

Subjects will be allocated to three cohorts of 10 subjects each receiving one single vaccine injection administered as an i.m. injection.

Group Type EXPERIMENTAL

rVSVΔ-ZEBOV-GP

Intervention Type BIOLOGICAL

single dose of rVSVΔ-ZEBOV-GP (3x10\^6 pfu, 2x10\^7 pfu or 3x10\^5)

Interventions

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rVSVΔ-ZEBOV-GP

single dose of rVSVΔ-ZEBOV-GP (3x10\^6 pfu, 2x10\^7 pfu or 3x10\^5)

Intervention Type BIOLOGICAL

Other Intervention Names

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BPSC1001

Eligibility Criteria

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Inclusion Criteria

* Ability to understand the subject information and to personally sign the informed consent
* Provided written informed consent.
* Healthy females and males aged 18 - 55 years .
* No clinically significant health problems
* Body mass index 18.5 - 30.0 kg/m2 and weight \>50 kg at screening.
* Females of childbearing potential who agree to comply with the applicable contraceptive requirements of the protocol or females who are permanently sterilized.
* Males who agree to comply with the applicable contraceptive requirements of the protocol
* Subjects must be willing to minimize blood and body fluid exposure of others for 7 days after vaccination
* Be willing to refrain from blood donation during the course of the study.
* The subject is co-operative and available for the entire study.

Exclusion Criteria

* Prior receipt of an Ebolavirus or Marburgvirus vaccine or VSV-vectored vaccine.
* Receipt of any vaccine in the 2 weeks prior to the trial vaccination (4 weeks for live vaccines) or planned receipt of any vaccine in the 3 weeks following the trial vaccination.
* Known allergy to the components of the BPSC1001 vaccine product or history of life-threatening reactions to vaccine containing the same substances.
* Participation in a clinical trial or use of an investigational product within 30 days or five times the half-life of the investigational drug -prior to receiving the first dose within this study
* Evidence in the subject's medical history or in the medical examination that might influence either the safety of the subject or the absorption, distribution, metabolism or excretion of the investigational product under investigation.
* Any positive result for HIV1/2, HCV antibody or HBs antigen testing.
* Pregnant or lactating females, or females who intend to become pregnant during the study period.
* Any confirmed or suspected immunosuppressive or immunodeficient condition, cytotoxic therapy in the previous 5 years, and/or diabetes
* Subjects with inflammatory, infectious and neuroinflammatory underlying disease which could cause an expected impairment of the blood brain barrier such as meningitis, multiple sclerosis, epilepsy, or Alzheimer's.
* Any household contact who is immunodeficient, HIV positive or pregnant
* Working with livestock
* Any chronic or active neurologic disorder, including migraines, seizures, and epilepsy, exclud-ing a single febrile seizure as a child
* Known history of Guillain-Barré Syndrome
* Active malignancy or history of metastatic or hematologic malignancy
* Suspected or known alcohol and/or illicit drug abuse within the past 5 years
* Moderate or severe illness and/or fever \>38°C within 1 week prior to vaccination
* Administration of immunoglobulins and/or any blood products within the 120 days preceding study entry or planned administration during the study period
* History of blood donation within 60 days of enrollment or plans to donate within the study period
* Receipt of chronic immune suppressants or other immune-modifying drugs within 6 months of study inclusion
* Subjects with skin lesions close to the injection site or active oral lesions will be excluded.
* Thrombocytopenia, contraindicating intramuscular vaccination based on investigator's judgment
* Subjects with a significant infection or known inflammation.
* History of relevant cardiovascular disorders or evidence of hyper- or hypotension
* Subjects who are known or suspected not to comply with the study directives.
* Any other significant finding that in the opinion of the investigator would increase the risk of the individual having an adverse outcome from participating in this study

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes