Does dysregulation of catechol-O-methyltransferase predispose to opioid-induced hallucinations? A report of a patient with microdeletion of chromosome 22 and opioid-associated hallucinations

Pain Medicine : the Official Journal of the American Academy of Pain Medicine
Melvin C GitlinEric D Lonseth

Abstract

Velocardiofacial syndrome is a genetic disorder associated with a microdeletion on the long arm of chromosome 22, and this segment is responsible for coding catechol-O-methyltransferase, an enzyme involved in dopamine degradation. We submit a case of velocardiofacial syndrome and Madelung deformity of the wrists presenting with hallucinatory phenomena associated with opioid exposure. Overactivity of the dopaminergic system has been postulated to cause schizophrenia in this population, and here we speculate that dysregulation of dopamine metabolism may have predisposed our patient to an increased risk of opioid-induced hallucinations. Further research is necessary to explore this relationship.

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Related Concepts

Opioids
Catechol O-Methyltransferase
Chromosomes, Human, Pair 22
Shprintzen Syndrome
Intropin
Hallucinations, Visual, Unformed
Genetic Predisposition to Disease

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22q11 Deletion Syndrome

22q11.2 deletion syndrome, also known as DiGeorge syndrome, is a congenital disorder caused by a partial deletion of chromosome 22. Symptoms include heart defects, poor immune system function, a cleft palate, complications related to low levels of calcium in the blood, and delayed development. Discover the latest research on this disease here.

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