Abstract
Monitoring for drug safety starts during preclinical pharmacological and toxicological studies, continues during the clinical phases of development, and is maintained throughout the product’s life as a marketed medicine. Preclinical studies, although useful in identifying Type A Reactions (Rawlins and Thompson, 1977) hazards that might be anticipated during clinical practice, provide little basis for determining risk (Royal Society, 1983) and even less for identifying Type B reactions (The human pharmacological and clinical investigations carried out before marketing will establish the incidence of the more common adverse effects irrespective as to whether they are Type A or Type B reactions). However, premarketing studies cannot provide complete reassurance about a drug’s safety. Relatively small numbers of patients (rarely more than 2,000 to 3,000) will have been treated at the time of the grant of a marketing licence, and the duration of exposure will have been relatively short. Patients receiving the drug during clinical trials usually will have been a homogeneous group, and have been supervised by specialists in the particular therapeutic field. Moreover, the techniques used for detecting subclinical iatrogenic conditions (especially ‘routine’ haematological and biochemical methods) have been adapted from those developed for the diagnosis of naturally-occurring disease, and are not ideal for the purpose of toxicological screening.
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© 1988 Kluwer Academic Publishers
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Rawlins, M.D. (1988). Monitoring for Drug Safety. In: Walker, B.C., Walker, S.R. (eds) Trends and Changes in Drug Research and Development. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2659-2_4
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DOI: https://doi.org/10.1007/978-94-009-2659-2_4
Publisher Name: Springer, Dordrecht
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