Product

FSME-IMMUN®

Encepur TM

EnceVir

TBE-Moscow

Manufacturer

Baxter Vaccines, Vienna, Austria

Novartis Vaccines and Diagnostics, Germany

Virion Corporation, Tomsk, Russia

Chumakov Institute for Poliomyelitis and Viral Encephalitides, Moscow, Russia

Virus strain (subtype)

Neudörfl (European subtype)

K-23 (European subtype)

205 (Far-Eastern subtype)

Sofjin (Far-Eastern subtype)

Production method

Cultured in primary chicken embryo cells, purified after formaldehyde inactivation by continuous-flow zonal centrifugation

Cultured in primary chicken embryo cells, purified after formaldehyde inactivation by continuous-flow zonal centrifugation.

Cultured in primary chicken embryo cells, purified and concentrated after formaldehyde inactivation; treated with

protamine sulfate.

Cultured in primary chicken embryo cells, purified and concentrated after formaldehyde inactivation; treated with protamine sulfate. Lyophilized in excipient.

Excipients

Aluminium hydroxide, human serum albumin.

Aluminium hydroxide, sucrose.

Aluminium hydroxide, human serum albumin (250μg/dose).

Aluminium hydroxide (final formulation), human albumin (500μg/ dose), gelatin and sucrose.

Distributed product

Stored as liquid formulation in pre-filled syringe.

Stored as liquid formulation in pre-filled syringe.

Stored as liquid formulation.

Lyophilized in excipient, mixed with saline containing aluminium hydroxide just prior to administration.

Shelf life (2-8°C)

 

 

2 years

3 years

Countries licensed

Austria, Germany, Switzerland, Hungary, Czech Republic, Baltic States, UK, Canada

Germany, Austria, Switzerland, Czech Republic, Baltic States, Russia

Russia

Russia

Pediatric vaccine

1 to < 16 years old

1 to < 12 years old

Formulation is  licensed for all persons >3 years old.

Formulation is  licensed for all persons >3 years old.

Vaccination schedule Conventional:

0, 1-3 months, 6-15 months

Booster doses for adults as per 2005 Austrian Immunization Plan:

< 60 years: first booster after 3 years, subsequently 5-year intervals

≥ 60 years: 3-year intervals

Booster doses for children per manufacturer: 3-year intervals

0, 1-3months, 10-15 months

 

Booster doses for adults as per 2005 Austrian Immunization Plan:

< 60 years: first booster after 3 years, subsequently 5-year intervals ≥ 60 years: 3-year intervals Booster doses for children per manufacturer: 1st boost at 3-year interval then at 5 year intervals

0, 5-7 months

First booster 12 months after second dose, then boosters every 3 years.

0, 1-7 months

First booster 12 months after second dose, then boosters every 3 years.

Vaccination schedule Accelerated:

Day 0, day 14, 6-15 months booster doses: as above

Two schedules available:

A. Day 0, day 14, 10-15 months. Booster doses as above

B. Day 0, 7, 21 First booster at 12-18 months, subsequent booster doses as above

0, 1-2 months

First booster 12 months after second dose, then boosters every 3 years.

0, 1 month

First booster 12 months after second dose, then boosters every 3 years.

Immunogenicity (seroconversion) Conventional schedule:

Adults: 92.9%-97% after second dose, 100% after third dose Children: 98.5%-100% after second dose, 100% after third dose

Adults: 100% after second dose Children: 95-99% after second dose, 100% after 3rd dose

Adults: 82-89% after second dose Children: 84-97% after second dose

Adults: 84-93% after second dose Children: 89-96% after second dose

Immunogenicity (seroconversion) Accelerated schedule:

Adults: clinical trials not available Children: 95% after second dose

Adults: 100% after primary series (3 doses) Children: 100% after primary series (3 doses)

NA

NA

Safety

Mild-moderate systemic and local reactions common Fever in very young children common Fever in older children occasional Fever in adults infrequent Severe neurologic reactions very rare

Large scale randomized trials have not been published

Moderate reactigenicity identified in small scale trials

In 2010-2011, some lots of EnceVir associated with frequent high fever and allergic reactions in children.  EnceVir subsequently removed from pediatric use.

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