Journal of affective disorders · 2008
A single blind comparison of lithium and lamotrigine for the treatment of bipolar II depression.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Suppes Trisha, Marangell Lauren B, Bernstein Ira H, Kelly Dorothy I, Fischer E Grace, Zboyan Holly A, Snow Diane E, Martinez Melissa, Al Jurdi Rayan, Shivakumar Geetha, Sureddi Suresh, Gonzalez Robert
Аннотация
BACKGROUND: Treatment studies are lacking for patients with bipolar II disorder (BDII). The objective of this study was to compare lamotrigine (LTG) and lithium (Li) monotherapy for the treatment of BDII depression.
METHODS: Patients with BDII acute depression were randomized to open-label monotherapy with LTG or Li, and evaluated by trained raters blinded to treatment. Patients were titrated to 200 mg/day of LTG over 8 weeks or at least 900 mg/day of Li over 2 weeks (serum level 0.6-1.2 mEq/L), and seen biweekly for 16 weeks. The primary outcome variable was change in the Hamilton Depression Rating Scale 17-item (Ham-D(17)), evaluated using mixed effects random regression.
RESULTS: Both groups showed significant improvement from baseline to endpoint on the Ham-D(17) (p<0.0001), with no between group differences (p=0.95). Seventy-two percent of the population was rapid cycling by DSM-IV criteria. No differences in response were noted between rapid cyclers and non-rapid cyclers. Early termination for any cause was 42%. The Li group reported significantly more side effects, although drop-out due to side effects did not differ between groups.
LIMITATIONS: This study was limited by an open treatment design, a lack of placebo arm, and uneven treatment groups.
CONCLUSIONS: Lamotrigine and lithium were effective monotherapy for BDII depression, with comparable response and remission rates. Naturalistic design and lack of placebo limit conclusions, though patient history indicated long standing depression unlikely to be alleviated by time. Patients who received Li reported more side effects, but this did not appear to impact drop-out rates.
METHODS: Patients with BDII acute depression were randomized to open-label monotherapy with LTG or Li, and evaluated by trained raters blinded to treatment. Patients were titrated to 200 mg/day of LTG over 8 weeks or at least 900 mg/day of Li over 2 weeks (serum level 0.6-1.2 mEq/L), and seen biweekly for 16 weeks. The primary outcome variable was change in the Hamilton Depression Rating Scale 17-item (Ham-D(17)), evaluated using mixed effects random regression.
RESULTS: Both groups showed significant improvement from baseline to endpoint on the Ham-D(17) (p<0.0001), with no between group differences (p=0.95). Seventy-two percent of the population was rapid cycling by DSM-IV criteria. No differences in response were noted between rapid cyclers and non-rapid cyclers. Early termination for any cause was 42%. The Li group reported significantly more side effects, although drop-out due to side effects did not differ between groups.
LIMITATIONS: This study was limited by an open treatment design, a lack of placebo arm, and uneven treatment groups.
CONCLUSIONS: Lamotrigine and lithium were effective monotherapy for BDII depression, with comparable response and remission rates. Naturalistic design and lack of placebo limit conclusions, though patient history indicated long standing depression unlikely to be alleviated by time. Patients who received Li reported more side effects, but this did not appear to impact drop-out rates.
Предметные рубрики MeSH
Acute DiseaseAdolescentAdultAgedAmbulatory CareAnticonvulsantsBipolar DisorderDiagnostic and Statistical Manual of Mental DisordersDrug Administration ScheduleFemaleHumansLamotrigineLithium CompoundsMaleMiddle AgedPatient DropoutsPsychiatric Status Rating ScalesSeverity of Illness IndexSingle-Blind MethodSurvival AnalysisTreatment OutcomeTriazines