National Institute of Mental Health research roundtable on prepubertal bipolar disorder

Objective: A research roundtable meeting was convened at the National Insti tute of Mental Health on April 27, 2000, to discuss the existing controvers ial areas in the diagnosis of bipolar disorder in prepubertal children. Met hod: Invited clinicians and researchers with expertise on bipolar disorder in children were asked to share and discuss their perspectives on diagnosti c issues for bipolar disorder in prepubertal children. Results: The group r eached agreement that diagnosis of bipolar disorder in prepubertal children is possible with currently available psychiatric assessment instruments. I n addition to phenotypes that fit DSM-IV criteria for bipolar I and bipolar II, participants agreed on the existence of other phenotypic possibilities that do not meet diagnostic criteria. Bipolar not otherwise specified (NOS ) was recommended as a "working diagnosis" for the non-DSM-IV phenotype. Co nclusions: Bipolar disorder exists and can be diagnosed in prepubertal chil dren. In children who present with both the DSM-IV and non-DSM-IV phenotype s (i.e., those given a diagnosis of bipolar-NOS), assessment should include careful evaluation of all behaviors that are impairing. Moreover, these ch ildren should be monitored systematically to explore stability and change o ver time in diagnosis and impairment.