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The aim of this study was to assess efficacy of aripiprazole augmentation of serotonin reuptake inhibitor (SRI) treatment in adolescents with obsessive-compulsive disorder (OCD) who did not respond to 2 initial trials with SRI monotherapy. A consecutive series of 39 adolescents (28 males and 11 females; age range, 12 to 18 years; mean age, 14.6 ± 1.2 years), with OCD diagnosed based on a clinical interview and according to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Editioncriteria, were included. The mean final aripiprazole dosage was 12.2 ± 3.4 mg/d. At the endpoint, 27 patients (59.0%) had a Clinical Global Impression (CGI)-Improvement score 1 or 2 (very much or much improved) and a Clinical Global Impression-Severity (CGI-S) score 3 or below and were thus considered responders. The CGI-S improved from 6.0 ± 0.9 at the baseline (severely to extremely severely ill) to 3.5 ± 1.0 (mild to moderately ill) at the end of the follow-up (P< 0.0001), whereas the Children's Global Assessment Scale improved from 39.2 ± 5.8 to 49.8 ± 9.0 (P< 0.0001). Compared with nonresponders, responders were less impaired at the baseline in functional impairment (Children's Global Assessment Scale; P= 0.004) but not in clinical severity (CGI-S). Subtypes of OCD comorbidity and absence of insight did not affect clinical response. Mild transitory agitation (10.3%), mild sedation (10.3%), and sleep disorders (7.7%) were reported, but any of the patients discontinued medication because of adverse effects. In these severely impaired adolescents, aripiprazole augmentation of SRIs was well tolerated and effective in more than half of the patients.

Background: This study on a large sample of unselected, consecutive children and adolescents referred to a third-level hospital who received a diagnosis of bipolar disorder (BD) was aimed at exploring whether childhood-onset BD, as compared with adolescent-onset BD, presents specific clinical features in terms of severity, functional impairment, course, prevalent mood, pattern of co-morbidity, and treatment outcome.Methods: A total of 136 patients, 81 males (59.6%) and 55 females (40.4%), mean age 13.5 ± 2.9 years, meeting the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) diagnosis of BD according to a structured clinical interview Schedule for Affective Disorders and Schizophrenia for School-Age Children–Present and Lifetime Version (KSADS- PL), were included in the study.Results: Eighty patients (58.8%) had a childhood-onset BD (before 12 years of age) and 56 (41.2%) had an adolescents-onset BD. Compared with the adolescent-onset BD, patients with childhood-onset were more frequently males and had a more frequent co-morbidity with attention-deficit/hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD). An episodic course was found in only 42.5% of bipolar children, but 76.8% of youngsters with adolescent-onset BD. Severity, 6-month treatment outcome, prevalent mood (elated versus irritable), and co-morbid anxiety did not differentiate the two groups.Conclusions: Our findings suggest that a very early age at onset may identify a form of BD with a more frequent subcontinuous course and a heavy co-morbidity with ADHD.