Animal Experiments
The question
To ask the Secretary of State for Science, Innovation and Technology, pursuant to the answer of 1 December 2025 to Question 92670, whether a scientifically satisfactory method or testing strategy requires validation.
Answered by Kanishka Narayan
Where a novel method is devised, it is expected to undergo evaluation in studies that describe its performance in its capacity to predict outcomes of testing of chemicals of a known profile. Such studies will be a forerunner to formal validation of the method which will likely involve comparative testing in many different laboratories, to ensure the method’s performance is robust.
In terms of what constitutes acceptable validation, the OECD also published a guidance document on validation of methods (see https://www.oecd.org/en/publications/guidance-document-on-the-validation-and-international-acceptance-of-new-or-updated-test-methods-for-hazard-assessment_e1f1244b-en.html).
In the strategy, we committed to establishing a UK Centre for the Validation of Alternative Methods (UKCVAM).
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