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    Biology GCSE

    Clinical trials

    What Clinical trials means in Biology GCSE, as defined for AQA.

    Definitions of Clinical trials

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    Reference: AQA

    Testing proceeds in phases: healthy volunteers check safety and side effects, patients test effectiveness and optimum dose, and large-scale trials compare the new drug with existing treatments.
    AQA · Discovery and development of drugs (study guide)
    Tests of a new drug in humans that begin with very low doses to reduce the risk of harm because the effects in humans are not yet fully known.
    AQA · Discovery and development of drugs (study guide)
    Tests of a new drug in humans, using healthy volunteers and patients, carried out after laboratory and animal testing.
    AQA · Discovery and development of drugs (study guide)
    Testing involving healthy volunteers and patients, often comparing the drug with a placebo or existing treatment.
    AQA · Discovery and development of drugs (study guide)

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