Porcilis AR-T DF

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Authorised

This medicine is authorised for use in the European Union

adjuvanted vaccine against progressive atrophic rhinitis in piglets
MedicineVeterinaryAuthorised
  • Application under evaluation
  • CVMP opinion
  • European Commission decision

Overview

This is a summary of the European public assessment report (EPAR). 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).

Porcilis AR-T DF is a vaccine for use in (female) pigs to reduce atrophic rhinitis in their piglets. Porcilis AR-T DF is a suspension for injection which contains a non-toxic recombinant derivative of the Pasteurella multocida toxin and inactivated Bordetella bronchiseptica cells.

Porcilis AR-T DF is used to reduce the clinical signs of progressive atrophic rhinitis (a disease where the nose tissues become infected and die) in piglets. The vaccine is given to sows (female pigs) only. Their piglets then become immunised when they drink the colostrum (first milk).

Porcilis AR-T DF is given as a dose of 2 ml by intramuscular (into a muscle) injection to female pigs of 18 weeks of age and older. The vaccine is given just behind the ear. The first injection should be given six weeks before the expected date of farrowing (giving birth to the piglets). The first dose is followed by a second injection four weeks later. To maintain the immunity, a single injection of one dose should be carried out two to four weeks before each subsequent farrowing.

Progressive atrophic rhinitis is caused by toxins from the bacterium Pasteurella multocida. Porcilis AR?T DF contains a non-toxic recombinant derivative (see later) of the Pasteurella multocida toxin and also inactivated Bordetella bronchiseptica bacterial cells. This bacterium is often present with Pasteurella multocida and makes the disease worse. When the sow is injected, this small exposure helps the pig’s immune system to recognise and attack the bacteria. When exposed to any of these bacteria later in life, the pig will either not become infected or have a much less serious infection. This immunity is passed onto the sow’s piglets through her colostrum.

An active ingredient of Porcilis AR-T DF, Pasteurella multocida toxin, is produced by a method known as ‘recombinant technology’. The Pasteurella multocida toxin is made by a bacterium cell that has received a gene (DNA), which makes it able to produce Pasteurella multocida toxoid, a genetically modified form of toxin which has adequate immunogenic activity and which is free from the toxic properties.

Porcilis AR-T DF has been studied in sows, where it was compared with another vaccine for progressive atrophic rhinitis. In this study, blood was taken from piglets in each litter born from each sow, and tested for antibodies to Pasteurella multocida toxin and Bordetella bronchiseptica.

The length of time that Porcilis AR-T DF is effective has also been studied. The main measure of effectiveness was the amount of antibodies to Bordetella bronchiseptica and also to Pasteurella multocida toxin.

The trials showed good protection against the clinical signs of progressive atrophic rhinitis. The piglets had comparable levels of antibodies against progressive atrophic rhinitis as obtained with another approved vaccine.

In the study of the duration of effect, based on antibody levels, it was shown that revaccination with a single dose resulted in a clear booster response (that is, the resultant antibody levels were even higher than after the basic vaccination).

The vaccine was generally well tolerated and shown to be safe.

Porcilis AR-T DF can cause a temporary increase in body temperature of 1.5°C, and in some pigs of up to 3°C on the day of vaccination or the following day. Other side effects are reduced activity and lack of appetite in 10-20% of the pigs on the day of vaccination and / or a temporary swelling (maximum diameter: 10 cm) for up to two weeks at the injection site.

If someone is accidentally injected with this product, they should seek immediate medical advice immediately. The package leaflet should be taken to the doctor.

The withdrawal period is the time allowed after administration of the medicine before the animal can be slaughtered and the meat used for human consumption. The withdrawal period for Porcilis AR?T DF for pigs is zero days.

The Committee for Medicinal Products for Veterinary Use (CVMP) agreed that the benefits of Porcilis AR-T DF exceed the risks for the reduction of clinical signs of progressive atrophic rhinitis in piglets, by passive oral immunisation with colostrum from dams actively immunised with the vaccine, and recommended that Porcilis AR-T DF should 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 Porcilis AR-T DF to Intervet International B.V. on 16 November 2000. Information on the prescription status of this product may be found on the outer package.

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Product information

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Latest procedure affecting product information: IB/0013
25/04/2014

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Product details

Name of medicine
Porcilis AR-T DF
Active substance
  • protein dO (non-toxic deletion derivative of Pasteurella multocida dermonecrotic toxin)
  • inactivated Bordetella bronchiseptica cells
International non-proprietary name (INN) or common name
adjuvanted vaccine against progressive atrophic rhinitis in piglets
Species
Pigs (gilts and sows)
Anatomical therapeutic chemical veterinary (ATCvet) code
QI09AB04

Pharmacotherapeutic group

Immunologicals for suidae

Therapeutic indication

For the reduction of clinical signs of progressive atrophic rhinitis in piglets by passive oral immunisation with colostrum from dams actively immunised with the vaccine.

Authorisation details

EMA product number
EMEA/V/C/000055
Marketing authorisation holder
Intervet International BV

Wim de Körverstraat 35
5831 AN Boxmeer
The Netherlands

Marketing authorisation issued
16/11/2000
Revision
6

Assessment history

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