- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02543268
A Study to Evaluate the Immunogenicity, Safety and Tolerability of Ad26.ZEBOV and MVA-BN-Filo in Healthy Adult Participants
October 11, 2023 updated by: Crucell Holland BV
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Immunogenicity, Safety and Tolerability of a Heterologous Prime-Boost Regimen Using Three Different Batches of Ad26.ZEBOV and a Single Batch of MVA-BN®-Filo in Healthy Adult Subjects
The purpose of this study is to compare the humoral immune response induced by 3 different batches of Ad26.ZEBOV as measured by enzyme - linked immunosorbent assay (ELISA) against the Ebola virus (EBOV) GP (Glycoprotein) at 56 days post prime.
Study Overview
Status
Completed
Conditions
Detailed Description
This is a randomized, double - blind, placebo - controlled, parallel - group, multicenter, Phase 3 study to evaluate the immunogenic equivalence of a heterologous prime - boost regimen using 3 different batches of Ad26.ZEBOV in healthy adult participants.
The study consists of a screening period of up to 6 weeks, a vaccination period in which participants will be vaccinated at baseline (Day 1), followed by a boost vaccination on Day 57, and a post-vaccination phase until 6 months post-boost visit (Day 237).
The participants will be randomized at baseline (on Day 1) in a 2:2:2:1 ratio to Groups 1, 2, 3 and 4. Safety will be monitored throughout the study.
Study Type
Interventional
Enrollment (Actual)
329
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Alabama
-
Huntsville, Alabama, United States
-
-
California
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San Diego, California, United States
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-
Florida
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Melbourne, Florida, United States
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-
Illinois
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Peoria, Illinois, United States
-
-
Indiana
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Mishawaka, Indiana, United States
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Maryland
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Rockville, Maryland, United States
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 50 years (Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Healthy in the Investigator's clinical judgment on the basis of medical history, physical examination, electrocardiogram (ECG) and vital signs performed at Screening
- Healthy on the basis of clinical laboratory tests performed at Screening
- Before randomization, a woman must be either of childbearing potential and practicing (or intending to practice) a highly effective method of birth control consistent with local regulations regarding the use of birth control methods for participants participating in clinical studies, beginning at least 28 days prior to vaccination OR not of childbearing potential: postmenopausal (greater than [>] 45 years of age with amenorrhea for at least 2 years or any age with amenorrhea for at least 6 months, and a serum follicle stimulating hormone (FSH) level >40 international unit per milliliter [IU/L]); permanently sterilized (for example, bilateral tubal occlusion [which includes tubal ligation procedures as consistent with local regulations], hysterectomy, bilateral salpingectomy, bilateral oophorectomy); or otherwise be incapable of pregnancy
- Woman of childbearing potential must have a negative serum [beta-human chorionic gonadotropin (beta-hCG)] at Screening and a negative urine beta-hCG pregnancy test immediately prior to each study vaccine administration
- Man who is sexually active with a woman of childbearing potential and has not had a vasectomy performed more than 1 year prior to Screening must be willing to use condoms for sexual intercourse beginning prior to enrollment, in addition to the documented birth control method used by the female partner
Exclusion Criteria:
- Having received a candidate Ebola vaccine
- Diagnosed with Ebola virus disease, or prior exposure to Ebola virus, including travel to West Africa less than 1 month prior to Screening. West Africa includes but is not limited to the countries of Guinea, Liberia, Mali, and Sierra Leone
- Having received any experimental candidate adenovirus serotype 26 (vector: Ad26) or Modified Vaccinia Ankara (MVA-) based vaccine in the past
- Known allergy or history of anaphylaxis or other serious adverse reactions to vaccines or vaccine products (including any of the constituents of the study vaccines) including known allergy to egg, egg products and aminoglycosides
- Presence of acute illness or temperature greater than or equal to (>=) 38.0 centigrade (°C) on Day 1
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group 1
Ad26.ZEBOV -Batch #1, single dose intramuscular (IM) injection on Day 1; MVA-BN-Filo, single dose IM injection on Day 57
|
Ad26.ZEBOV - Batch #1, live, replication incompetent vaccine, sterile suspension of 0.5 milliliter (mL) intramuscular (IM) injection of 5*10^10 viral particles on Day 1
MVA-BN-Filo- live replication incompetent vaccine, 0.5 mL IM injection of 1*10^8 Infectious Unit [Inf.
U.] once on Day 57.
|
Experimental: Group 2
Ad26.ZEBOV -Batch #2, single dose intramuscular (IM) injection on Day 1; MVA-BN-Filo, single dose IM injection on Day 57
|
MVA-BN-Filo- live replication incompetent vaccine, 0.5 mL IM injection of 1*10^8 Infectious Unit [Inf.
U.] once on Day 57.
Ad26.ZEBOV - Batch #2, live, replication incompetent vaccine, sterile suspension of 0.5 milliliter (mL) intramuscular (IM) injection of 5*10^10 viral particles on Day 1
|
Experimental: Group 3
Ad26.ZEBOV -Batch #3, single dose intramuscular (IM) injection on Day 1; MVA-BN-Filo, single dose IM injection on Day 57
|
MVA-BN-Filo- live replication incompetent vaccine, 0.5 mL IM injection of 1*10^8 Infectious Unit [Inf.
U.] once on Day 57.
Ad26.ZEBOV - Batch #3, live, replication incompetent vaccine, sterile suspension of 0.5 milliliter (mL) intramuscular (IM) injection of 5*10^10 viral particles on Day 1
|
Experimental: Group 4
Placebo (0.9% saline)- single dose IM injection on Day 1 and Day 57
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One 0.5 ml IM injection of 0.9% saline once on Day 1 and Day 57.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Immune Responses to the Study Vaccine Regimens against Ebola virus (EBOV) Glycoprotein (GP) using EBOV GP protein enzyme-linked immunosorbent assay (ELISA)
Time Frame: At 56 days post prime vaccination
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The humoral immune response will be assessed by enzyme-linked immunosorbent assay (ELISA) binding antibody
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At 56 days post prime vaccination
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Immune Responses to the Study Vaccine Regimens against Ebola virus (EBOV) Glycoprotein (GP) using EBOV GP protein enzyme-linked immunosorbent assay (ELISA)
Time Frame: At Days 1, 29 post prime dose and at days 21, 42, and 180 post boost vaccination
|
The humoral immune response will be assessed by enzyme-linked immunosorbent assay (ELISA) binding antibody
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At Days 1, 29 post prime dose and at days 21, 42, and 180 post boost vaccination
|
Number of Participants with Solicited Local and Systemic Adverse Events (AEs)
Time Frame: Up to 7 days after each vaccination
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Up to 7 days after each vaccination
|
|
Number of Participants with Adverse Events (AEs)
Time Frame: Up to 42 days post boost vaccination
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Up to 42 days post boost vaccination
|
|
Number of Participants with Serious Adverse Events (SAEs)
Time Frame: Continuous throughout the duration of study (Up to 180 Days post boost vaccination)
|
Continuous throughout the duration of study (Up to 180 Days post boost vaccination)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Crucell Holland BV Clinical Trial, Crucell Holland BV
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
September 21, 2015
Primary Completion (Actual)
January 22, 2016
Study Completion (Actual)
July 20, 2016
Study Registration Dates
First Submitted
September 4, 2015
First Submitted That Met QC Criteria
September 4, 2015
First Posted (Estimated)
September 7, 2015
Study Record Updates
Last Update Posted (Actual)
October 17, 2023
Last Update Submitted That Met QC Criteria
October 11, 2023
Last Verified
October 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CR107786
- VAC52150EBL3003 (Other Identifier: Crucell Holland BV)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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