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

Sanofi

Status and phase

Completed

Phase 4

Conditions

Hepatitis A

Hepatitis A Virus

Treatments

Biological: Avaxim 80U Pediatric: Inactivated Hepatitis A Virus

Study type

Interventional

Funder types

Industry

Identifiers

NCT02011763

HAF87

U1111-1127-7652 (Other Identifier)

Details and patient eligibility

About

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.

Full 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.

Enrollment

355 patients

Sex

All

Ages

12 months to 15 years old

Volunteers

Accepts Healthy Volunteers

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.