Diphenylpyraline-responsive parkinsonism in cerebrotendinous xanthomatosis: long-term follow up of three patients

A long-term follow-up study was made of three patients with cerebrotendinous xanthomatosis (CTX) associated with parkinsonism, two of whom were siblings. Besides typical CTX symptoms, all three patients showed severe parkinsonism. This observation has been rarely reported in CTX. The fact that the t...

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Bibliographic Details
Published in:Journal of the neurological sciences 2001, Vol.182 (2), p.95-97
Main Authors: Ohno, Takae, Kobayashi, Shunsuke, Hayashi, Masataka, Sakurai, Masaki, Kanazawa, Ichiro
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Brain - drug effects
Brain - physiopathology
Cerebrotendinous xanthomatosis
Chenodeoxycholic acid
Diphenylpyraline hydrochloride
Errors of metabolism
Female
Follow-Up Studies
Histamine and antagonists. Allergy
Histamine H1 Antagonists - administration & dosage
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors - administration & dosage
Levodopa
Lipids (lysosomal enzyme disorders, storage diseases)
Medical sciences
Metabolic diseases
Parkinsonian Disorders - complications
Parkinsonian Disorders - drug therapy
Parkinsonian Disorders - physiopathology
Parkinsonism
Pharmacology. Drug treatments
Piperidines - administration & dosage
Therapy
Xanthomatosis, Cerebrotendinous - complications
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Summary:A long-term follow-up study was made of three patients with cerebrotendinous xanthomatosis (CTX) associated with parkinsonism, two of whom were siblings. Besides typical CTX symptoms, all three patients showed severe parkinsonism. This observation has been rarely reported in CTX. The fact that the two siblings showed parkinsonism strongly suggests the genetic propensity to parkinsonism in these CTX patients. Positron emission tomography studies of the two patients revealed presynaptic dysfunction of the nigro–striatal dopaminergic system. Treatment with the reductase inhibitor hydroxymethyl glutaryl coenzyme successfully corrected the serum cholestanol level in the early stage of the disease, which, however, did not arrest the progression of clinical symptoms, particularly their parkinsonism. Clinically, levodopa had a little effect on parkinsonism, whereas an antihistamine drug, diphenylpyraline hydrochloride (DPP) had excellent effects on all three patients throughout the long-term follow up. The mechanism of the action of DPP on parkinsonism is unclear, however, the drug seems to be a therapeutic choice for treating parkinsonism in CTX.
ISSN:0022-510X
1878-5883
DOI:10.1016/S0022-510X(00)00441-X