Long-term Safety Follow-up of Participants Exposed to the Candidate Ebola Vaccines Ad26.ZEBOV and/or MVA-BN-Filo

NCT ID: NCT02661464

Last Updated: 2024-01-02

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE3

Total Enrollment

677 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-05-31

Study Completion Date

2021-12-13

Brief Summary

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The purpose of the study is to assess the long-term safety profile of Ad26.ZEBOV and MVA-BN-Filo in participants previously exposed to these vaccines in Phase 1, 2, or 3 clinical studies.

Detailed Description

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This is a multi-country, prospective, long-term clinical safety study for collection of serious adverse events and pregnancy outcomes following administration of Ad26.ZEBOV and/or MVA-BN-Filo vaccines among participants who were enrolled in Phase 1, 2 or 3 clinical studies. The safety data will be collected in 3 cohorts; Cohort 1- adult and pediatric participants that received Ad26.ZEBOV and/or MVA-BN-Filo in Phase 1, 2 or 3 clinical studies (adults, adolescents and children), Cohort 2- Female participants who became pregnant with estimated conception within 28 days after vaccination with MVA-BN-Filo or within 3 months after vaccination with Ad26.ZEBOV will be followed to the end of their pregnancy for pregnancy outcomes (Cohort 2). After the end of pregnancy, female participants will continue to be followed in Cohort 1. Cohort 3 - children born to female participants exposed to Ad26.ZEBOV and/or MVA-BN-Filo who became pregnant with estimated conception within 28 days after vaccination with MVA-BN-Filo or within 3 months after vaccination with Ad26.ZEBOV. Safety data will be collected on all consenting participants.

Conditions

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Hemorrhagic Fever, Ebola

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Exposed to Ad26.ZEBOV and/or MVA-BN Filo

Safety Data will be collected from participants who received Ad26.ZEBOV and/or MVA-BN-Filo in Phase 1, 2 or 3 clinical studies in 6-month intervals up to 60 months after prime vaccination, including the duration in the participant's original study (Cohort 1). Female participants who became pregnant with estimated conception within 28 days after vaccination with MVA-BN-Filo or within 3 months after vaccination with Ad26.ZEBOV will be followed to the end of their pregnancy for pregnancy outcomes (Cohort 2). After the end of pregnancy, female participants will continue to be followed in Cohort 1. Safety Data for live born children to female participants will be followed up to 60 months after birth (Cohort 3).

Group Type EXPERIMENTAL

Ad26.ZEBOV

Intervention Type BIOLOGICAL

No vaccine will be administered in the current study. Safety data will be collected from participants who were previously exposed to Ad26.ZEBOV vaccine in Phase 1, 2, or 3 clinical studies up to 60 months and also safety data will be collected from live born children to female participants up to 60 months after birth.

MVA-BN-Filo

Intervention Type BIOLOGICAL

No vaccine will be administered in the current study. Safety data will be collected from participants who were previously exposed to MVA-BN-Filo vaccine in Phase 1, 2, or 3 clinical studies up to 60 months and also safety data will be collected from live born children to female participants up to 60 months after birth.

Interventions

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Ad26.ZEBOV

No vaccine will be administered in the current study. Safety data will be collected from participants who were previously exposed to Ad26.ZEBOV vaccine in Phase 1, 2, or 3 clinical studies up to 60 months and also safety data will be collected from live born children to female participants up to 60 months after birth.

Intervention Type BIOLOGICAL

MVA-BN-Filo

No vaccine will be administered in the current study. Safety data will be collected from participants who were previously exposed to MVA-BN-Filo vaccine in Phase 1, 2, or 3 clinical studies up to 60 months and also safety data will be collected from live born children to female participants up to 60 months after birth.

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Male or female who participated in a Phase 1, 2 or 3 clinical study with Human adenovirus serotype 26 (Ad26) expressing the Ebola virus Mayinga variant glycoprotein (Ad26.ZEBOV) and/or Modified Vaccinia Virus Ankara - Bavarian Nordic Filo-vector (MVA-BN-Filo) and has been exposed to Ad26.ZEBOV and/or MVA-BN-Filo (Cohort 1)
* Female who participated in a Phase 1, 2 or 3 clinical study with Ad26.ZEBOV and/or MVA-BN-Filo and became pregnant with estimated conception within 28 days after vaccination with MVA-BN-Filo or within 3 months after vaccination with Ad26.ZEBOV (Cohort 2)
* Child born to female participants exposed to Ad26.ZEBOV and/or MVA-BN-Filo in a Phase 1, 2, or 3 clinical study who became pregnant with estimated conception within 28 days after vaccination with MVA-BN-Filo or within 3 months after vaccination with Ad26.ZEBOV (Cohort 3)
* Must sign an informed consent form for the current study (or their legally acceptable representative must sign) indicating that he or she understands the purpose of, and procedures required for, the study and is willing to participate in the study (or let their child participate); Assent is also required of children capable of understanding the nature of the study (typically 7 years of age and older)
Minimum Eligible Age

0 Years

Maximum Eligible Age

71 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Bavarian Nordic

INDUSTRY

Sponsor Role collaborator

Janssen Vaccines & Prevention B.V.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Janssen Vaccines & Prevention B.V. Clinical Trial

Role: STUDY_DIRECTOR

Janssen Vaccines & Prevention B.V.

Locations

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Rockville, Maryland, United States

Site Status

BoboDioulasso, , Burkina Faso

Site Status

Ouagadougou, , Burkina Faso

Site Status

Créteil, , France

Site Status

Paris, , France

Site Status

Pierre-Bénite, , France

Site Status

Rennes, , France

Site Status

Saint-Etienne, , France

Site Status

Strasbourg, , France

Site Status

Tours, , France

Site Status

Nairobi, , Kenya

Site Status

Mwanza, , Tanzania

Site Status

Entebbe, , Uganda

Site Status

Kampala, , Uganda

Site Status

London, , United Kingdom

Site Status

Oxford, , United Kingdom

Site Status

Countries

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United States Burkina Faso France Kenya Tanzania Uganda United Kingdom

References

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Puri A, Pollard AJ, Schmidt-Mutter C, Laine F, PrayGod G, Kibuuka H, Barry H, Nicolas JF, Lelievre JD, Sirima SB, Kamala B, Manno D, Watson-Jones D, Gaddah A, Keshinro B, Luhn K, Robinson C, Douoguih M; EBL4001 Study Group. Long-Term Clinical Safety of the Ad26.ZEBOV and MVA-BN-Filo Ebola Vaccines: A Prospective, Multi-Country, Observational Study. Vaccines (Basel). 2024 Feb 17;12(2):210. doi: 10.3390/vaccines12020210.

Reference Type DERIVED
PMID: 38400193 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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2015-004139-11

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

VAC52150EBL4001

Identifier Type: OTHER

Identifier Source: secondary_id

CR108112

Identifier Type: -

Identifier Source: org_study_id

NCT02967003

Identifier Type: -

Identifier Source: nct_alias

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