Hepatitis B Challenge Dose in Adults (V232-059-10)

NCT ID: NCT01251276

Last Updated: 2022-09-13

Study Results

Results available

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

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

204 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-11-30

Study Completion Date

2011-04-12

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of this trial is to describe the Seroprotection Rate (SPR) at least 2 years following completion of a primary series with a hepatitis B vaccine (Base Study V232-059, NCT00440531) and 1 month following a challenge dose with a Modified Process Hepatitis B vaccine.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Hepatitis B

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Modified Process Hepatitis B Vaccine in Base Study

Participants who received 3 doses of Modified Process Hepatitis B Vaccine in the Base Study were eligible to receive a single challenge dose of Modified Process Hepatitis B Vaccine on Day 1 of the Challenge Dose Study

Group Type EXPERIMENTAL

Modified Process Hepatitis B Vaccine

Intervention Type BIOLOGICAL

Modified Process Hepatitis B Vaccine given IM (intramuscular) as a single 1.0 mL (10 mcg) challenge dose on Day 1 of the Challenge Dose Study

ENGERIX-B™ Vaccine in Base Study

Participants who received 3 doses of ENGERIX-B™ vaccine in the Base Study were eligible to receive a single challenge dose of Modified Process Hepatitis B Vaccine on Day 1 of the Challenge Dose Study

Group Type EXPERIMENTAL

Modified Process Hepatitis B Vaccine

Intervention Type BIOLOGICAL

Modified Process Hepatitis B Vaccine given IM (intramuscular) as a single 1.0 mL (10 mcg) challenge dose on Day 1 of the Challenge Dose Study

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Modified Process Hepatitis B Vaccine

Modified Process Hepatitis B Vaccine given IM (intramuscular) as a single 1.0 mL (10 mcg) challenge dose on Day 1 of the Challenge Dose Study

Intervention Type BIOLOGICAL

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

HBVaxPro

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* In general good health based on a medical history.
* Received 3 doses of an Hepatitis B vaccine in Base Study V232-059, NCT00440531 at least 2 years prior to enrollment in this study.

Exclusion Criteria

* Known history of previous Hepatitis B infection.
* History of vaccination with any Hepatitis B vaccine within the last 2 years.
* History of febrile illness.
* Known or suspected hypersensitivity to any component of HBVaxPro.
* Receipt of medication / vaccine that may interfere with study assessments.
* Known or suspected immune impairment.
* Pregnant women and nursing mothers.
Minimum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Medical Director

Role: STUDY_DIRECTOR

Merck Sharp & Dohme LLC

References

Explore related publications, articles, or registry entries linked to this study.

Sharma R, Ahlm C, Ostergaard L, Dowell A, Tran C, Thomas S, Eymin C. Persistence of immunity in healthy adults aged >/= 50 years primed with a hepatitis B vaccine 3 years previously. Hum Vaccin Immunother. 2015;11(7):1709-16. doi: 10.1080/21645515.2015.1019187.

Reference Type RESULT
PMID: 25996838 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

rHB01C

Identifier Type: OTHER

Identifier Source: secondary_id

2006-003649-18

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

V232-059-10

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.