A Hepatitis B Vaccine Challenge Study After Previous Vaxelis® Vaccination (V419-013)

NCT ID: NCT04490499

Last Updated: 2022-07-27

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

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

207 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-02

Study Completion Date

2020-12-29

Brief Summary

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The purpose of this study is to demonstrate the durability of protection against hepatitis B virus (HBV) infection approximately 8-9 years after vaccination with Vaxelis®. This is an estimation study, and no formal hypothesis testing was performed.

Detailed Description

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Conditions

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Hepatitis B

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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HBVAXPRO™

Healthy children vaccinated approximately 8-9 years previously with a 2- or 3-dose infant series and toddler dose of Vaxelis® who will receive a single dose of Hepatitis B vaccine challenge (HBVAXPRO™).

Group Type EXPERIMENTAL

HBVAXPRO™

Intervention Type BIOLOGICAL

Single 0.5 mL intramuscular dose

Interventions

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HBVAXPRO™

Single 0.5 mL intramuscular dose

Intervention Type BIOLOGICAL

Other Intervention Names

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Hepatitis B virus (HBV) vaccine; V232

Eligibility Criteria

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Inclusion Criteria

* Is healthy (based on a review of medical history and targeted physical examination) based on the clinical judgment of the investigator.
* Has participated in Protocol V419-007 and received a 3 + 1 Vaxelis® schedule or participated in Protocol V419-008 and received a 2 + 1 Vaxelis® schedule.
* The participant (or legally acceptable representative if applicable) provides written informed consent/assent for the study.

Exclusion Criteria

* Has a history of diagnosis (clinical, serological, or microbiological) of HBV infection.
* Has a known or suspected impairment of immunological function (e.g., human immunodeficiency virus (HIV), splenectomy).
* Has a known hypersensitivity to any component of the study vaccine.
* Has a known or suspected blood dyscrasias, leukemia, lymphomas of any type or other malignant neoplasms affecting the haematopoietic and lymphatic system.
* Has a bleeding disorder contraindicating intramuscular vaccinations.
* Has received any hepatitis B vaccine after participation in Protocol V419-007 or V419-008.
* Is or has an immediate family member (e.g., spouse, parent/legal guardian, sibling, or child) who is investigational site or Sponsor staff directly involved with this study.
Minimum Eligible Age

8 Years

Maximum Eligible Age

10 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Director

Role: STUDY_DIRECTOR

Merck Sharp & Dohme LLC

Locations

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Tampereen yliopisto Kokkolan rokotetutkimusklinikka ( Site 0009)

Kokkola, Keski-Pohjanmaa, Finland

Site Status

Tampereen yliopisto Oulun rokotetutkimusklinikka ( Site 0004)

Oulu, North Ostrobothnia, Finland

Site Status

Tampereen yliopisto - Tampereen rokotetutkimusklinikka ( Site 0001)

Tampere, Pirkanmaa, Finland

Site Status

Seinajoki Vaccine Research Center ( Site 0010)

Seinajoki, Pohjanmaa, Finland

Site Status

Porin rokotetutkimusklinikka ( Site 0008)

Pori, Satakunta, Finland

Site Status

Tampereen yliopisto Turun rokotetutkimusklinikka ( Site 0002)

Turku, Southwest Finland, Finland

Site Status

Tampereen yliopisto Espoon rokotetutkimusklinikka ( Site 0007)

Espoo, Uusimaa, Finland

Site Status

Tampereen yliopisto Etelä-Helsingin rokotetutkimusklinikka ( Site 0005)

Helsinki, Uusimaa, Finland

Site Status

Ita-Helsingin Rokotetutkimuskeskus ( Site 0006)

Helsinki, Uusimaa, Finland

Site Status

Tampereen yliopisto Järvenpään rokotetutkimusklinikka ( Site 0003)

Järvenpää, Uusimaa, Finland

Site Status

Countries

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Finland

References

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Ahonen A, Zhang Y, Marcek T, Lumley J, Johnson DR, Guris D, Wilck MB. Demonstration of durable hepatitis B immune memory in children vaccinated with a DTaP5-IPV-HepB-Hib infant-toddler series 7 to 8 years previously. Hum Vaccin Immunother. 2022 Nov 30;18(5):2073747. doi: 10.1080/21645515.2022.2073747. Epub 2022 Jun 2.

Reference Type RESULT
PMID: 35653552 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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V419-013

Identifier Type: OTHER

Identifier Source: secondary_id

2020-000126-26

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

V419-013

Identifier Type: -

Identifier Source: org_study_id

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