Incomplete evidence: the inadequacy of databases in tracing published adverse drug reactions in clinical trials
Incomplete evidence: the inadequacy of databases in tracing published adverse drug reactions in clinical trials
We would expect information on adverse drug reactions in randomised clinical trials to be easily retrievable from specific searches of electronic databases. However, complete retrieval of such information may not be straightforward, for two reasons. First, not all clinical drug trials provide data on the frequency of adverse effects. Secondly, …