Overview

This is a summary of the European Public Assessment Report. Its purpose is to explain how the assessment done by the Committee for Medicinal Products for Veterinary Use (CVMP) on the basis of the documentation provided, led to the recommendations on the conditions of use.

This summary cannot replace a face-to-face discussion with your veterinarian. If you need more information about your animal’s medical condition or treatment, contact your veterinarian. If you want more information on the basis of the CVMP recommendations, read the scientific discussion (also part of the EPAR).

Bovela is a veterinary vaccine that contains two types of a modified live bovine viral diarrhoea (BVD) virus (BVDV-1 and BVDV-2). It is available as a lyophilisate (freeze dried powder) and solvent for injection.

Bovela is used to protect cattle against BVD viral infection. In non-pregnant animals the infection is generally mild, with signs affecting the airways such as cough, and reduced milk yield. However a severe form of BVD can occur, when cattle have a high temperature and bloody diarrhoea. In pregnant cows, BVD infection can cause abortions or result in the birth of calves that are persistently infected (PI). PI animals tend never to reach their productive potential, have reduced fertility and are more susceptible to other diseases. They may progress to have mucosal disease which is another form of BVD disease with ulcers and blisters on the snout and inside of the mouth. Mucosal disease is usually fatal. PI animals are a constant source of BVD virus, infecting other cattle in the herd.

The vaccine is given to cattle as a single injection into the muscle. Protection starts three weeks after vaccination and lasts for one year. To prevent the birth of a PI calf the vaccine should be given at least three weeks before insemination/mating.

Bovela is a vaccine. Vaccines work by ‘teaching’ the immune system (the body’s natural defences) how to defend itself against a disease. Bovela contains two BVDV strains (or types) modified by deletion of parts of two genes so that they can no longer cause disease. When Bovela is given to cattle the animals’ immune system recognises the virus strains as ‘foreign’ and makes antibodies against them. In the future, if the animals are exposed to the virus the immune system will be able to respond more quickly. This will help protect the cattle against BVD infections.

The effectiveness of the vaccine was first studied in a number of laboratory studies in cattle. The purpose of the studies was to establish how long it took for cattle to be fully protected, the length of time protection against BVD lasts, as well as the influence of maternal antibodies (transmitted from the mother) on the effectiveness of the vaccine in calves.

The effectiveness of Bovela was further investigated in the field in eight dairy cattle herds of which five of them had a history of BVD or persistent infection at the beginning of the study. Approximately half of the cattle were vaccinated with Bovela and the rest received a dummy injection. The main measure of effectiveness was the reduction in the number of persistently infected newborn calves as determined by virus specific identification tests.

In the laboratory studies Bovela prevented PI in 100% of calves while the animals that received no vaccination gave birth to 100% PI calves.

In the field study 98.5% of vaccinated cattle sampled (range 269–274 animals) developed antibodies to both BVD virus types. In the group vaccinated with Bovela five out of 1,216 (0.4%) newborn calves were persistently infected with the virus, whereas in the group given the dummy injection there were ten persistently infected newborn calves out of 1,183 born (0.8%). However, for the vaccinated group the period of infection was either before vaccination or before the start of protection.

The most common side effect (seen in more than 1 in 100 cattle) was an increase in body temperature (within the normal range) within four hours of vaccination, which spontaneously resolves within 24 hours.

In case of accidental self-injection, medical advice should be sought immediately and the package leaflet or the label shown to the doctor.

The withdrawal period is the time allowed after administration of the medicine and before the animal can be slaughtered and the meat used for human consumption or milk used for human consumption.The withdrawal period for Bovela for cattle is zero days.

The Committee for Medicinal Products for Veterinary Use (CVMP) concluded that the benefits of Bovela exceed the risks for the approved indication and recommended that Bovela be given a marketing authorisation. The benefit-risk balance may be found in the scientific discussion module of this EPAR.

The European Commission granted a marketing authorisation valid throughout the European Union, for Bovela on 22 December 2014. Information on the prescription status of this product may be found on the label/outer package.

Bovela : EPAR - Summary for the public

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Product information

Bovela : EPAR - Product Information

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Latest procedure affecting product information: R/0014

11/11/2019

Bovela : EPAR - All Authorised presentations

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Product details

Name of medicine
Bovela
Active substance
modified live bovine viral diarrhoea virus type 1, non-cytopathic parent strain KE-9 and modified live bovine viral diarrhoea virus type 2, non-cytopathic parent strain NY-93
International non-proprietary name (INN) or common name
bovine viral diarrhoea vaccine (modified live)
Anatomical therapeutic chemical veterinary (ATCvet) code
QI02AD02

Pharmacotherapeutic group

  • Immunologicals for bovidae
  • Live viral vaccines

Therapeutic indication

For active immunisation of cattle from 3 months of age to reduce hyperthermia and to minimise the reduction of leukocyte count caused by bovine viral diarrhoea virus (BVDV-1 and BVDV-2), and to reduce virus shedding and viraemia caused by BVDV-2.

For active immunisation of cattle against BVDV-1 and BVDV-2, to prevent the birth of persistently infected calves caused by transplacental infection.

Authorisation details

EMA product number
EMEA/V/C/003703
Marketing authorisation holder
Boehringer Ingelheim Vetmedica GmbH

Binger Strasse 173
55216 Ingelheim am Rhein
Germany

Opinion adopted
09/10/2014
Marketing authorisation issued
22/12/2014
Revision
4

Assessment history

Bovela : EPAR - Procedural steps taken and scientific information after authorisation

Bovela : EPAR - Public assessment report

CVMP summary of positive opinion for Bovela

Topics

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