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  • SAGE Publications  (3)
  • Barratt, Martin  (3)
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  • SAGE Publications  (3)
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  • 1
    In: Alternatives to Laboratory Animals, SAGE Publications, Vol. 30, No. 4 ( 2002-07), p. 365-406
    Materialart: Online-Ressource
    ISSN: 0261-1929 , 2632-3559
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2002
    ZDB Id: 2390905-5
    SSG: 12,22
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 2
    In: Alternatives to Laboratory Animals, SAGE Publications, Vol. 32, No. 1_suppl ( 2004-01), p. 635-642
    Kurzfassung: FRAME (the Fund for the Replacement of Animals in Medical Experiments; http://www.frame.org.uk ) is a scientific charity, which has, for over 30 years, been advocating and conducting its own research on the application of the Three Rs ( reduction, refinement and replacement) to animal experimentation. FRAME develops and validates scientifically based replacement alternative methods to facilitate their acceptance by scientists and regulators. As part of these activities, FRAME established a FRAME Toxicity Committee in 1979, and a report of its work was published in 1982, and discussed in the proceedings of a subsequent meeting, published in 1983. A Second Toxicity Committee formed in 1988, reported its work in 1990, which was discussed in the proceedings of a subsequent conference, published in 1991. The work of these committees was extremely successful and influential in laying the foundation for later activities in alternatives research. A Third FRAME Toxicity Committee was formed in 1999, since much progress had been achieved in the previous decade, especially with regard to the successful validation of several non-animal replacement methods and the start of their regulatory acceptance. Moreover, some new test methods are on the point of being validated, and many new techniques and discoveries are impacting on toxicity testing. Also, interest in reduction and refinement in toxicology has increased. However, there is considerable scope and need for the further implementation of the Three Rs in toxicity testing, especially due to recent plans for the large-scale testing of high-production volume, hormonally-active and existing chemicals, and the increasing use of transgenic animal models. The new committee comprises 18 experts from industry, academia, animal welfare, legislative and regulatory bodies, with one observer from the UK Government Home Office. The main objective is to review progress made in the application of the Three Rs in the development and safety evaluation of medicines, biologicals, cosmetics, agrochemicals and other products, as well as industrial chemicals, and to make recommendations as a basis for further sensible progress according to sound scientific and ethical criteria. The main committee is to be augmented by several working parties that will focus on specific scientific issues: 1) targeted risk assessment versus hazard identification; 2) data sharing; 3) endocrine disruption; and 4) carcinogenicity testing. The Committee is also to publish a status report on the current situation regarding alternatives in toxicity testing, based on the recommendations of the Second Toxicity Committee, and will organise a conference to discuss its overall conclusions and recommendations.
    Materialart: Online-Ressource
    ISSN: 0261-1929 , 2632-3559
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2004
    ZDB Id: 2390905-5
    SSG: 12,22
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 3
    Online-Ressource
    Online-Ressource
    SAGE Publications ; 2003
    In:  Alternatives to Laboratory Animals Vol. 31, No. 1 ( 2003-01), p. 7-19
    In: Alternatives to Laboratory Animals, SAGE Publications, Vol. 31, No. 1 ( 2003-01), p. 7-19
    Kurzfassung: In its White Paper, Strategy for a Future Chemicals Policy, published in 2001, the European Commission (EC) proposed the REACH (Registration, Evaluation and Authorisation of CHemicals) system to deal with both existing and new chemical substances. This system is based on a top-down approach to toxicity testing, in which the degree of toxicity information required is dictated primarily by production volume (tonnage). If testing is to be based on traditional methods, very large numbers of laboratory animals could be needed in response to the REACH system, causing ethical, scientific and logistical problems that would be incompatible with the time-schedule envisaged for testing. The EC has emphasised the need to minimise animal use, but has failed to produce a comprehensive strategy for doing so. The present document provides an overall scheme for predictive toxicity testing, whereby the non-animal methods identified and discussed in a recent and comprehensive ECVAM document, could be used in a tiered approach to provide a rapid and scientifically justified basis for the risk assessment of chemicals for their toxic effects in humans. The scheme starts with a preliminary risk assessment process (involving available information on hazard and exposure), followed by testing, based on physicochemical properties and (Q)SAR approaches. (Q)SAR analyses are used in conjunction with expert system and biokinetic modelling, and information on metabolism and identification of the principal metabolites in humans. The resulting information is then combined with production levels and patterns of use to assess potential human exposure. The nature and extent of any further testing should be based strictly on the need to fill essential information gaps in order to generate adequate risk assessments, and should rely on non-animal methods, as far as possible. The scheme also includes a feedback loop, so that new information is used to improve the predictivity of computational expert systems. Several recommendations are made, the most important of which is that the European Union (EU) should actively promote the improvement and validation of (Q)SAR models and expert systems, and computer-based methods for biokinetic modelling, since these offer the most realistic and most economical solution to the need to test large numbers of chemicals.
    Materialart: Online-Ressource
    ISSN: 0261-1929 , 2632-3559
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2003
    ZDB Id: 2390905-5
    SSG: 12,22
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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