Treatment of Early Onset Schizophrenia Spectrum Disorders (TEOSS)

Summary

This study will evaluate the safety and efficacy of risperidone (Risperdal®), olanzapine (Zyprexa®), and molindone (Moban®) for the treatment of children and adolescents with schizophrenia or schizoaffective disorder.

Timeline

Start

2002-02

Primary completion

2007-05

Completion

2007-05

Publications

• Results McCLELLAN J, Sikich L, Findling RL, Frazier JA, Vitiello B, Hlastala SA, Williams E, Ambler D, Hunt-Harrison T, Maloney AE, Ritz L, Anderson R, Hamer RM, Lieberman JA. Treatment of early-onset schizophrenia spectrum disorders (TEOSS): rationale, design, and methods. J Am Acad Child Adolesc Psychiatry. 2007 Aug;46(8):969-978. doi: 10.1097/CHI.0b013e3180691779.
• Results Frazier JA, McCLELLAN J, Findling RL, Vitiello B, Anderson R, Zablotsky B, Williams E, McNAMARA NK, Jackson JA, Ritz L, Hlastala SA, Pierson L, Varley JA, Puglia M, Maloney AE, Ambler D, Hunt-Harrison T, Hamer RM, Noyes N, Lieberman JA, Sikich L. Treatment of early-onset schizophrenia spectrum disorders (TEOSS): demographic and clinical characteristics. J Am Acad Child Adolesc Psychiatry. 2007 Aug;46(8):979-988. doi: 10.1097/chi.0b013e31807083fd.
• Results Findling RL, Johnson JL, McClellan J, Frazier JA, Vitiello B, Hamer RM, Lieberman JA, Ritz L, McNamara NK, Lingler J, Hlastala S, Pierson L, Puglia M, Maloney AE, Kaufman EM, Noyes N, Sikich L. Double-blind maintenance safety and effectiveness findings from the Treatment of Early-Onset Schizophrenia Spectrum (TEOSS) study. J Am Acad Child Adolesc Psychiatry. 2010 Jun;49(6):583-94; quiz 632. doi: 10.1016/j.jaac.2010.03.013. Epub 2010 May 1.
• Taylor JH, Appel S, Eli M, Alexander-Bloch A, Maayan L, Gur RE, Bloch MH. Time to Clinical Response in the Treatment of Early Onset Schizophrenia Spectrum Disorders Study. J Child Adolesc Psychopharmacol. 2021 Feb;31(1):46-52. doi: 10.1089/cap.2020.0030. Epub 2020 Jul 1.
• Taylor JH, Jakubovski E, Gabriel D, Bloch MH. Predictors and Moderators of Antipsychotic-Related Weight Gain in the Treatment of Early-Onset Schizophrenia Spectrum Disorders Study. J Child Adolesc Psychopharmacol. 2018 Sep;28(7):474-484. doi: 10.1089/cap.2017.0147. Epub 2018 Jun 19.
• Gabriel D, Jakubovski E, Taylor JH, Artukoglu BB, Bloch MH. Predictors of treatment response and drop out in the Treatment of Early-Onset Schizophrenia Spectrum Disorders (TEOSS) study. Psychiatry Res. 2017 Sep;255:248-255. doi: 10.1016/j.psychres.2017.05.038. Epub 2017 May 30.
• Frazier JA, Giuliano AJ, Johnson JL, Yakutis L, Youngstrom EA, Breiger D, Sikich L, Findling RL, McClellan J, Hamer RM, Vitiello B, Lieberman JA, Hooper SR. Neurocognitive outcomes in the Treatment of Early-Onset Schizophrenia Spectrum Disorders study. J Am Acad Child Adolesc Psychiatry. 2012 May;51(5):496-505. doi: 10.1016/j.jaac.2012.02.001. Epub 2012 Mar 13.
• Sikich L, Frazier JA, McClellan J, Findling RL, Vitiello B, Ritz L, Ambler D, Puglia M, Maloney AE, Michael E, De Jong S, Slifka K, Noyes N, Hlastala S, Pierson L, McNamara NK, Delporto-Bedoya D, Anderson R, Hamer RM, Lieberman JA. Double-blind comparison of first- and second-generation antipsychotics in early-onset schizophrenia and schizo-affective disorder: findings from the treatment of early-onset schizophrenia spectrum disorders (TEOSS) study. Am J Psychiatry. 2008 Nov;165(11):1420-31. doi: 10.1176/appi.ajp.2008.08050756. Epub 2008 Sep 15.

Drugs

Indications