Safety of Two Doses of Avaxim® 80U Pediatric (Inactivated Hepatitis A Vaccine) in Toddlers, Children and Adolescents

September 29, 2015 updated by: Sanofi Pasteur, a Sanofi Company

Safety of Two Doses of Avaxim® 80U Pediatric (Inactivated Hepatitis A Vaccine) Administered 6 Months Apart in Healthy Toddlers, Children and Adolescents Aged 12 Months to 15 Years in China

The aim of this study is to describe the safety profile of Avaxim 80U Pediatric, in order to confirm the good safety profile of the vaccine.

Primary objective:

  • To describe the safety of Avaxim 80U Pediatric after each dose of vaccine administered 6 months apart, in subjects aged 12 months to 15 years.

Study Overview

Detailed Description

Eligible participants aged 12 months to 15 years and 5 months (185 months) at enrollment will receive two doses of vaccine for the prevention of hepatitis A (6 months apart), and will be followed up for safety until 30 days after the second vaccination.

Study Type

Interventional

Enrollment (Actual)

355

Phase

  • Phase 4

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

      • Beijing, China, 100021

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

1 year to 15 years (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Aged 12 to 185 months (approximately 15 years and 5 months) on the day of inclusion
  • Informed consent form has been signed and dated by the subject aged 12 years old and above (based on local regulations), and informed consent form has been signed and dated by the parent(s) or another legally acceptable representative
  • Subject and parent / legally acceptable representative are able to attend all schedule visits and to comply with all trial procedures
  • Subjects aged less than 2 years only: Born at full term of pregnancy (≥ 37 weeks) and/or with a birth weight ≥ 2.5 kg.

Exclusion Criteria:

  • Subject is pregnant, or lactating, or of childbearing potential (to be considered of non-childbearing potential, a female must be pre-menarche, surgically sterile, or using an effective method of contraception or abstinence from at least 4 weeks prior to the first vaccination and until at least 4 weeks after the last vaccination)
  • Participation at the time of study enrollment (or in the 4 weeks preceding the first trial vaccination) or planned participation during the present trial period in another clinical trial investigating a vaccine, drug, medical device, or medical procedure
  • Receipt of any vaccine in the 4 weeks preceding the first trial vaccination or planned receipt of any vaccine in the 4 weeks preceding or following any trial vaccination
  • Previous vaccination against Hepatitis A with either the trial vaccine or another Hepatitis A vaccine
  • Receipt of immune globulins, blood or blood-derived products in the past 3 months
  • Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy, within the preceding 6 months; or long-term systemic corticosteroid therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months)
  • History of Hepatitis A infection, confirmed either clinically, serologically, or microbiologically
  • At high risk for hepatitis A infection during the trial
  • Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccine used in the trial or to a vaccine containing any of the same substances
  • Self-reported thrombocytopenia, contraindicating intramuscular vaccination
  • Bleeding disorder, or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating intramuscular vaccination
  • Deprived of freedom by an administrative or court order, or in an emergency setting, or hospitalized involuntarily
  • Current alcohol abuse or drug addiction
  • Chronic illness that, in the opinion of the investigator, is at a stage where it might interfere with trial conduct or completion
  • Moderate or severe acute illness / infection (according to investigator judgment) on the day of vaccination or febrile illness (axillary temperature ≥ 37.1°C). A prospective subject should not be included in the study until the condition has resolved or the febrile event has subsided
  • Identified as an Investigator or employee of the Investigator or study center with direct involvement in the proposed study, or identified as an immediate family member (i.e., parent, spouse, natural or adopted child) of the Investigator or employee with direct involvement in the proposed study.

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: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Study Group
Toddlers, children and adolescents aged 12 months to 15 years
0.5 mL, Intramuscular (2 injection 6 months apart)
Other Names:
  • Avaxim 80U Pediatric

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of participants reporting solicited injection site and systemic events and unsolicited adverse events following vaccination with Avaxim® 80U Pediatric (Inactivated Hepatitis A vaccine).
Time Frame: Day 0 up to Day 30 post vaccination
Participants aged ≤ 23 months, Solicited injection site reactions: Tenderness, Redness, and Swelling; Solicited systemic reactions: Fever (Temperature), Vomiting, Abnormal crying, Drowsiness, Loss of appetite, and Irritability. Participants 2 to 15 Years of Age: Solicited injection site reactions: Pain, Redness, and Swelling; Solicited systemic reactions: Fever (Temperature), Headache, Malaise, Myalgia. Unsolicited adverse events, including serious adverse events will also be collected for all participants
Day 0 up to Day 30 post vaccination

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

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

December 1, 2013

Primary Completion (Actual)

September 1, 2014

Study Completion (Actual)

August 1, 2015

Study Registration Dates

First Submitted

December 10, 2013

First Submitted That Met QC Criteria

December 10, 2013

First Posted (Estimate)

December 13, 2013

Study Record Updates

Last Update Posted (Estimate)

October 1, 2015

Last Update Submitted That Met QC Criteria

September 29, 2015

Last Verified

September 1, 2015

More Information

Terms related to this study

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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