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- Title
Long-term weight loss observed with olanzapine orally disintegrating tablets in overweight patients with chronic schizophrenia. A 1 year open-label, prospective trial.
- Authors
Chawla, Bharat; Luxton-Andrew, Heather
- Abstract
Objective To investigate the long-term weight loss outcomes during usual clinical practice after switching from olanzapine standard oral tablet (SOT) to olanzapine orally disintegrating tablets (ODT). Method In this open-label prospective study, 26 patients with schizophrenia who were clinically stable on olanzapine SOT treatment were switched to olanzapine ODT. All other aspects of treatment remained constant. Weight was recorded at 3, 6, and 12 months. Results Patients incurred an average weight loss of 2.7 ± 0.7 kg (p = 0.001) after switching patients from olanzapine SOT to olanzapine ODT at 12 months. Peak weight loss was observed at 6 months; however, significant weight loss was achieved as early as 3 months. The majority (81.9%) of patients lost weight, while 18.1% had no weight change or weight gain. Body mass index (BMI) significantly decreased by 1.0 ± 0.3 kg/m2 (p = 0.001). Interestingly, patients treated with higher doses of olanzapine (≥20 mg) incurred a greater weight loss of their body weight (5.6%), compared to those treated with lower doses (<20 mg), who lost 1.9% of their body weight (p = 0.04). Conclusions This study demonstrated that, in usual clinical practice, switching patients from olanzapine SOT to olanzapine ODT treatment resulted in significant weight loss that was maintained over 12 months. Copyright © 2008 John Wiley & Sons, Ltd.
- Subjects
OLANZAPINE; SCHIZOPHRENIA treatment; ANTIPSYCHOTIC agents; WEIGHT gain; BODY mass index; THERAPEUTICS
- Publication
Human Psychopharmacology: Clinical & Experimental, 2008, Vol 23, Issue 3, p211
- ISSN
0885-6222
- Publication type
Article
- DOI
10.1002/hup.921