Bfr: Skin models instead of rabbits

Bfr: Skin models instead of rabbits

 

At a meeting at the Federal Institute for Risk Assessment (BfR) in Berlin, an international expert committee of the Organisation for Economic Co-operation and Development (OECD) agreed on
a new alternative test method involving no animal experiments to determine the irritant properties of foreign substances on the skin.

 The method uses reconstructed human skin models to replace the rabbits which had been stipulated up to now. Prior to this, the Centre for Alternative Methods to Animal Experiments
(ZEBET) within BfR had examined this method on behalf of the European Commission in interlaboratory tests on an international level in order to establish whether it could replace the
animal experiments without jeopardising occupational health and safety and consumer protection. This method will now be taken over into European legislation and adopted at the beginning
of 2009 as an OECD Guideline. “Animal welfare must not stop at boundaries; this joint procedure by the EU and OECD is, therefore, a major success”, says Professor Dr. Dr. Andreas
Hensel, President of BfR. This method is urgently needed in the EU so that manufacturers of chemical substances can comply with the requirements of the EU Cosmetics Regulation and the
new legislation on chemical safety (REACH). According to this, they must test the skin-irritant properties of substances without recourse to animal experiments. As, in some cases,
different regulations apply to countries outside the EU, a corresponding guideline on animal-free testing was urgently needed on the OECD level.

Depending on the purpose and the volume placed on the market, chemical substances must be tested for health risks. In most cases animal experiments are stipulated; however for some
tests there are already alternatives. As the new European chemicals legislation REACH will lead to a dramatic increase in the number of chemical tests in Europe, there is an urgent need
for recognition of alternative methods of this kind. However, if they are only recognised within the EU, this could mean that for the marketing of a substance on non-European markets
(for instance USA and Japan) additional conventional tests in animals could be demanded. To avoid this, the OECD has introduced an accelerated procedure for international comments and
consultation with experts for the new test method for the skin-irritant effects of substances.

Following a two-day meeting at BfR in Berlin the experts approved a draft test guideline which will now be taken over into EU legislation. After a further expert consultation in March
2009, it will probably be approved in the USA as an OECD test guideline, too. Should the OECD guideline contain amendments, the European Commission has agreed to promptly adapt the EU
test directive. In the beginning the project did not seem to be destined for success. However, the scientific data of the validation studies conducted under the aegis of BfR were able
to dispel any remaining concerns of the experts who had been critical of the new animal-free method. This agreement also means a breakthrough in terms of procedure because it shows that
global recognition of alternatives to animal experiments can be achieved far more quickly than in the past.

The accelerated procedure, which makes possible the consecutive, speedy approval of a guideline for the new animal-free method on the EU and then on the OECD level constitutes a major
global success both for animal welfare as well as for consumer protection because companies who consciously refrained from animal experiments in the past now have a validated test
method for their products.

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