Objective: The purpose of this study was to evaluate the outcome of bi
polar disorder in the context of maintenance pharmacotherapy. Method:
Eighty-two bipolar outpatients were followed prospectively for a mean
of 4.3 years (minimum of 2 years); symptom rating and psychosocial out
come scales were used, and pharmacotherapy was rated on a 5-point scal
e. Results: Despite continual maintenance treatment, survival analysis
indicated a 5-year risk of relapse into mania or depression of 73%. O
f those who relapsed two-thirds had multiple relapses. Relapse could n
ot be attributed to inadequate medication. Even for those who did not
relapse, considerable affective morbidity was observed. A measure of c
umulative affective morbidity appeared to be a more sensitive correlat
e of psychosocial functioning than was the number of relapses. Poor ps
ychosocial outcome paralleled poor syndromal course. Poor psychosocial
functioning, especially occupational disruption, predicted a shorter
time to relapse. Depressions were most strongly related to social and
family dysfunction. Conclusions: Even aggressive pharmacological maint
enance treatment does not prevent relatively poor outcome in a signifi
cant number of bipolar patients.