Bipolar disorder in primary care: Medication treatment by co-located psychiatrists versus primary care clinicians supported by psychiatrists

To compare medication treatment of individuals with bipolar disorder in two primary care-based integrated care models. Participants were randomized to 12-months of treatment with direct care by co-located psychiatrists in primary care, or collaborative care (primary care clinicians supported by psychiatrists). Medication data at initial and last treatment visits were extracted from the clinical registry for 191 patients diagnosed with bipolar disorder. Participants receiving no medication treatment decreased from 28% to 11% (direct co-located) (χ2 = 10.9, p