A phase III open, randomised, controlled study to evaluate the safety and immunogenicity of a paediatric dose (0.25 ml) and the standard dose (0.5 ml) of Epaxal® with reference to comparator vaccine in healthy children and adolescents (12 months to 16 years of age inclusive), using a 0/6 month schedule

ISRCTN ISRCTN91009479
DOI https://doi.org/10.1186/ISRCTN91009479
Secondary identifying numbers EPA 006
Submission date
25/10/2006
Registration date
14/11/2006
Last edited
06/01/2021
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Infections and Infestations
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Humberto Ibarra
Scientific

Gastroenterólogo
Instituto de Medicina
Facultad de Medicina/Universidad Austral de Chile
Valdivia
6670172
Chile

Study information

Study designOpen, randomised, controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Scientific titleA phase III open, randomised, controlled study to evaluate the safety and immunogenicity of a paediatric dose (0.25 ml) and the standard dose (0.5 ml) of Epaxal® with reference to comparator vaccine in healthy children and adolescents (12 months to 16 years of age inclusive), using a 0/6 month schedule
Study acronymEPA
Study objectivesThe pediatric dose of Epaxal (12 IU) is as immunogenic as the standard Epaxal® dose (24 IU).
Ethics approval(s)The Scientific Ethics Committee of the Health Service of Valdivia, Chile (Comité Etico Cientifico, Servicio de Salud, Valdivia, Chile) Hospital Base on the 28 September 2006.
Health condition(s) or problem(s) studiedHepatitis A Virus
Intervention1) 0.25 ml Epaxal (12 IU hepatitis A antigen)
2) 0.50 ml Epaxal (24 IU hepatitis A antigen)
3) Comparator vaccine
Intervention typeDrug
Pharmaceutical study type(s)
PhasePhase III
Drug / device / biological / vaccine name(s)Epaxal®
Primary outcome measureProportion of subjects seroprotected (seroprotection defined as anti-HAV antibody titre greater or equal to 10 mIU/mL) one month after vaccination
Secondary outcome measures1. Proportion of subjects seroprotected (seroprotection defined as anti-HAV antibody titre greater or equal to 10 mIU/mL) one month after booster vaccination.
2. Proportion of subjects with local and/or systemic adverse events after each vaccination.
Overall study start date01/11/2006
Completion date01/08/2007

Eligibility

Participant type(s)Patient
Age groupChild
Lower age limit12 Months
Upper age limit16 Years
SexNot Specified
Target number of participants360
Total final enrolment360
Key inclusion criteriaHealthy children aged 12 months to 16 years inclusive.
Key exclusion criteria1. Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose (for corticosteroids, this will mean prednisone, or equivalent, 0.5 mg/kg/day. Inhaled and topical steroids are allowed)
2. Previous vaccination against Hepatitis A Virus (HAV)
3. Seropositive for anti-HAV antibodies (screening Enzyme-Linked Immuno-Sorbent Assay [ELISA])
4. Any confirmed or suspected immunosuppressive or immunodeficient condition, including Human Immunodeficiency Virus (HIV) infection
Date of first enrolment01/11/2006
Date of final enrolment01/08/2007

Locations

Countries of recruitment

  • Chile

Study participating centre

Gastroenterólogo
Valdivia
6670172
Chile

Sponsor information

Berna Biotech AG (Switzerland)
Industry

c/o Christian Herzog, MD
Berna Biotech Ltd, a Crucell Company
Rehhagstrasse 79
Bern
3018
Switzerland

Website http://www.bernabiotech.com/home/

Funders

Funder type

Industry

Berna Biotech AG (Switzerland)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 08/11/2011 06/01/2021 Yes No

Editorial Notes

06/01/2021: The following changes have been made:
1. Publication reference added.
2. The final enrolment number has been added from the reference.