Medication, Weight Gain and GI Hormones

Summary

This is an 8 week study that compares two medications. One medication is olanzapine (5-20 mg daily) whereas the other medication is an orally disintegrating medication. Both medications are used to treat depressed bipolar patients. The main focus of this study is the comparison of these two medications on gastro-intestinal hormones and weight gain.

Timeline

Start

2007-01

Primary completion

2010-03

Completion

2010-03

Publications

• Background Tohen M, Vieta E, Calabrese J, Ketter TA, Sachs G, Bowden C, Mitchell PB, Centorrino F, Risser R, Baker RW, Evans AR, Beymer K, Dube S, Tollefson GD, Breier A. Efficacy of olanzapine and olanzapine-fluoxetine combination in the treatment of bipolar I depression. Arch Gen Psychiatry. 2003 Nov;60(11):1079-88. doi: 10.1001/archpsyc.60.11.1079.
• Background Shelton RC. Treating bipolar depression. J Fam Pract. 2003 Mar;Suppl:S14-7. No abstract available.
• Background Farwell WR, Stump TE, Wang J, Tafesse E, L'Italien G, Tierney WM. Weight gain and new onset diabetes associated with olanzapine and risperidone. J Gen Intern Med. 2004 Dec;19(12):1200-5. doi: 10.1111/j.1525-1497.2004.40126.x.
• Background eder-Ischia U, Ebenbichler C, Fleischhacker WW. Olanzapine-induced weight gain and disturbances of lipid and glucose metabolism. Essent Psychopharmacol. 2005;6(2):112-7.
• Background Smith RC, Lindenmayer JP, Bark N, Warner-Cohen J, Vaidhyanathaswamy S, Khandat A. Clozapine, risperidone, olanzapine, and conventional antipsychotic drug effects on glucose, lipids, and leptin in schizophrenic patients. Int J Neuropsychopharmacol. 2005 Jun;8(2):183-94. doi: 10.1017/S1461145705005110.
• Background Cohen D. Diabetes mellitus during olanzapine and quetiapine treatment in Japan. J Clin Psychiatry. 2005 Feb;66(2):265-6; author reply 266-7. doi: 10.4088/jcp.v66n0217b. No abstract available.
• Background Gill SS. Stable monotherapy with clozapine or olanzapine increases the incidence of diabetes mellitus in people with schizophrenia. Evid Based Ment Health. 2005 Feb;8(1):24. doi: 10.1136/ebmh.8.1.24. No abstract available.
• Background Zimmermann U, Kraus T, Himmerich H, Schuld A, Pollmacher T. Epidemiology, implications and mechanisms underlying drug-induced weight gain in psychiatric patients. J Psychiatr Res. 2003 May-Jun;37(3):193-220. doi: 10.1016/s0022-3956(03)00018-9.
• Background Tecott LH, Sun LM, Akana SF, Strack AM, Lowenstein DH, Dallman MF, Julius D. Eating disorder and epilepsy in mice lacking 5-HT2c serotonin receptors. Nature. 1995 Apr 6;374(6522):542-6. doi: 10.1038/374542a0.
• Background Kroeze WK, Hufeisen SJ, Popadak BA, Renock SM, Steinberg S, Ernsberger P, Jayathilake K, Meltzer HY, Roth BL. H1-histamine receptor affinity predicts short-term weight gain for typical and atypical antipsychotic drugs. Neuropsychopharmacology. 2003 Mar;28(3):519-26. doi: 10.1038/sj.npp.1300027.
• Bobo WV, Epstein RA Jr, Shelton RC. Effects of orally disintegrating vs regular olanzapine tablets on body weight, eating behavior, glycemic and lipid indices, and gastrointestinal hormones: a randomized, open comparison in outpatients with bipolar depression. Ann Clin Psychiatry. 2011 Aug;23(3):193-201.

Drugs

Indications