As much trouble as I have with indiscriminate use of antipsychotic medications, I do think they have important uses in certain situations, and that we have to be very careful about overgeneralizing their negative aspects.
For example, these medications are increasingly being used to help control side effects in some serious illnesses such as Parkinson's disease and Alzheimer's disease. In some cases, especially when not managing these side effects can make things hard to manage for these individuals' caregivers (who are often family in a home situation), it is important to balance considerations about overall quality of care, caregiver sanity and health, and weight. Each situation is different, and there are no easy answers.
Sixty-one Parkinson's patients on either quetiapine (Seroquel) or clozapine (Clozaril) for at least six months were compared to 28 Alzheimer's patients in similar situations. The weight changes, though small, were statistically significant. Parkinson's patients trended toward weight loss compared to controls, and Alzheimer's patients trended toward weight gain.
It may not be that these medications cause weight changes in one direction or the other...but rather, they foster metabolism moving in a direction that genetic tendency long ago pre-programmed. It is important to not be afraid of a medication that can help ease the life of the caregiver. Of course, judicious use and close monitoring are always the caveats that go with any medication decision. Alzheimer's patients seem to be prone to developing diabetes and that should not be ignored.
I was glad to see this study attempt to parse out exactly what these medications do and why. That's a great use of scientific minds.
Sitburana O, Rountree S, Ondo WG. Weight change in Parkinson and Alzheimer patients taking atypical antipsychotic drugs. J Neurol Sci. 2008 Sep 15;272(1-2):77-82. Epub 2008 Jun 16.
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