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Orally disintegrating olanzapine and potential differences in treatment-emergent weight gain
Jamie Karagianis1, Vicki Poole Hoffmann, Belen Arranz
1Clinical Research, Eli Lilly Canada Inc., Toronto, Ontario, Canada. karagianis_jamie@lilly.com
Abstract:
Several papers and communications have reported possible weight reduction or less weight gain when patients start or switch to orally disintegrating olanzapine, as contrasted with standard oral olanzapine tablets. In this paper, the current literature is reviewed and hypothesized mechanisms of action are discussed. The data are still preliminary and mechanisms of action are not well understood. Randomized controlled trials are needed to further evaluate change in weight during treatment with orally disintegrating olanzapine.
Insights
Orally disintegrating olanzapine may lead to less weight gain compared to standard tablets. Further research, including randomized controlled trials, is needed to confirm these preliminary findings and understand the mechanisms involved.
Area of Science:
- Pharmacology
- Clinical Pharmacy
Background:
- Olanzapine is associated with significant weight gain in patients.
- Orally disintegrating formulations offer an alternative administration route.
Purpose of the Study:
- To review existing literature on weight changes associated with orally disintegrating olanzapine.
- To discuss potential mechanisms underlying observed weight differences.
Main Methods:
- Literature review of published papers and communications.
- Discussion of hypothesized mechanisms of action.
Main Results:
- Preliminary data suggest a trend towards less weight gain or even weight reduction with orally disintegrating olanzapine.
- Mechanisms for this potential effect are not yet well understood.
Conclusions:
- Current evidence is preliminary and requires further investigation.
- Randomized controlled trials are necessary to validate these findings and elucidate mechanisms.
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