Published online by Cambridge University Press: 29 January 2018
The reports on the good effect of L-DOPA on Parkinson's syndrome and on some forms of depression have prompted us to investigate if it might alleviate mental disorders not responding to conventional methods. Pare et al. (1962) suggested distinguishing between types of depression according to how they respond to antidepressant drugs. If L-DOPA were shown to be effective, it would provide another means of differentiating between obscurely defined mental states. We present five cases of psychic disorders in which depression was a prominent symptom. All were treated with L-DOPA after a wide range of conventional treatments over many years had proved of little use.
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