Study reveals no link between high-density lipoprotein cholesterol and movement disorders

There is no correlation between high-density lipoprotein cholesterol (HDL-C) levels and a patient’s risk for developing movement disorders while taking an antipsychotic, according to a study published in the April-June issue of Innovations in Clinical Neuroscience.

Carolyn O’Donnell, Pharm.D., from the Edward Hines Jr. Veterans Administration Hospital in Hines, Illinois, and colleagues investigated associations between patients taking antipsychotics with low HDL-C and the risk for developing a movement disorder. The analysis included 89 adult patients at an inpatient state psychiatric facility.

The researchers report that only eight patients had an Abnormal Involuntary Movement Scale score greater than 0 and HDL-C levels ranged from 17 mg/dL to 83 mg/dL. There was no statistically significant association seen when comparing a patient’s movement disorder, Abnormal Involuntary Movement Scale scores, and HDL-C levels.

“It is our hope that our research will support prioritized prescribing decisions focused more directly on removing offending medications, versus exploring hypothesized physiologic factors such as HDL-C, because earlier recognition of drug-induced movement disorders permits rapid intervention and decreased risk of permanently disfiguring and debilitating extrapyramidal symptoms,” the authors write.

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