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EDITOR
The importance of the study by Lahat et al1 is
acknowledged both in the editorial by Koren2 and in
subsequent correspondence, which recognises the need for effective and
safe treatment for acute seizures in the community. But important
methodological and analytical issues need to be clarified before the
conclusions can be accepted.
The logistics of randomisation are not described in detail,
although, firstly, apparently parents were asked to sign a consent form
for enrolment in the study after seizures were controlled. The usual
ethical practice in randomised controlled trials is to seek consent to
randomisation before treatment; here, the order seems to have been
reversed unless the controlled seizure actually preceded the seizure
for which randomised treatment was allocated. Secondly, randomisation
was apparently performed in advance, although this could refer to the
frequent practice of drawing up a sequence of treatment allocations
before the start of the trial,