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Immunogenicity and Safety Study of FluarixTM Vaccine in Children Who Have Previously Been Vaccinated With PandemrixTM

GlaxoSmithKline (GSK) logo

GlaxoSmithKline (GSK)

Status and phase

Completed
Phase 4

Conditions

Influenza

Treatments

Biological: HavrixTM Junior (in subjects of 15 years old or below) or HavrixTM (in subjects above 15 years old)
Biological: FluarixTM

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

This study is designed to assess the immunogenicity, reactogenicity and safety following vaccination with GSK Biologicals' FluarixTM vaccine in children who have previously been vaccinated with one dose of PandemrixTM at the age of 10-17 years.

Enrollment

77 patients

Sex

All

Ages

10 to 18 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Subjects having previously been immunized with only one single dose of Pandemrix at the age of 10-17 years inclusive.
  • Subjects having received Pandemrix at least six months prior to study enrolment.
  • Subjects who the investigator believes that subject and/or parent(s)/Legally Acceptable Representative(s) [LAR(s)] can and will comply with the requirements of the protocol
  • Written informed consent obtained from the subject/ the parent(s)/LAR(s) of the subject.
  • Healthy subjects as established by medical history and clinical examination before entering into the study.
  • Subjects or Parent(s)/LAR(s) with access to a consistent means of telephone contact, land line or mobile, but NOT a pay phone or other multiple-user device

Exclusion criteria

  • Active participation in other clinical trials.
  • Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of the study vaccine or planned use during the study period.
  • Planned administration of any vaccine 30 days prior and 30 days after any study vaccine administration.
  • Chronic administration of immunosuppressants or other immune-modifying drugs within three months prior to enrolment in this study or planned administration during the study period.
  • Acute disease and/or fever at the time of enrolment:
  • Acute or chronic, clinically-significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by medical history and physical examination.
  • Administration of immunoglobulins and/or any blood products within the three months prior to the enrolment in this study, or planned use during the study.
  • Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination
  • Any known or suspected allergy to any constituent of influenza vaccines; a history of anaphylactic-type reaction to any constituent of influenza vaccines; or a history of severe adverse reaction to a previous influenza vaccine.
  • History of seizures or progressive neurological disease.
  • Subjects having received an H1N1v pandemic vaccine other than Pandemrix or having received the 2010/2011 seasonal influenza vaccine.
  • If the subject is female and if she is of childbearing potential, she must practice adequate contraception for 30 days prior to vaccination, have a negative pregnancy test and continue such precautions for two months after completion of the vaccination series.
  • Child in care.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

77 participants in 2 patient groups

Fluarix Group
Experimental group
Description:
Subjects previously vaccinated with Pandemrix vaccine received 1 dose of Fluarix vaccine. All vaccines were administered in the deltoid region of the non-dominant arm on Day 0.
Treatment:
Biological: FluarixTM
Havrix Group
Active Comparator group
Description:
Subjects previously vaccinated with Pandemrix vaccine received 1 first dose of Havrix vaccine (subjects aged above 15 years) or Havrix-Junior vaccine (subjects aged 15 years and below). A second dose was given outside the study setting, at Month 6. All vaccines were administered in the deltoid region of the non-dominant arm on Day 0.
Treatment:
Biological: HavrixTM Junior (in subjects of 15 years old or below) or HavrixTM (in subjects above 15 years old)

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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