It has been argued that the placebo effect represents a learned response. R
esearch is suggested to address the utility of applying principles derived
from classical (Pavlovian) conditioning to the design of drug treatment pro
tocols. In the present instance, it is hypothesized that, by capitalizing o
n conditioned pharmacotherapeutic responses, it may be possible to reduce t
he cumulative amount of corticosteroid medication used in the treatment of
psoriasis.