Patients treated with olanzapine may gain weight, especially in the first m
onths of therapy. Amantadine (100-300 mg/day) was started in 12 patients ha
ving a mean weight gain of 7.3 kg during olanzapine treatment. The patients
' weight stabilised and over 3-6 months they lost an average of 3.5 kg. No
clinical deterioration occurred and no adverse effects were reported. These
observations merit confirmation in randomised, controlled trials. (C) 2001
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