Dihydropteridine reductase deficiency : Levodopa's long-term effectiveness without dyskinesia

We report an adult patient lacking endogenous synthesis of monoamines (dopamine, serotonin, and catecholamines) due to a severe dihydropteridine reductase (DHPR) deficiency. With levodopa and 5-hydroxytryptophan (5HTP) supplementation, the patient exhibited moderate mental retardation, acute episode...

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Veröffentlicht in:Neurology 2006-12, Vol.67 (12), p.2243-2245
Hauptverfasser: SEDEL, F, RIBEIRO, M. J, REMY, P, BLAU, N, SAUDUBRAY, J.-M, AGID, Y
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container_end_page 2245
container_issue 12
container_start_page 2243
container_title Neurology
container_volume 67
creator SEDEL, F
RIBEIRO, M. J
REMY, P
BLAU, N
SAUDUBRAY, J.-M
AGID, Y
description We report an adult patient lacking endogenous synthesis of monoamines (dopamine, serotonin, and catecholamines) due to a severe dihydropteridine reductase (DHPR) deficiency. With levodopa and 5-hydroxytryptophan (5HTP) supplementation, the patient exhibited moderate mental retardation, acute episodes of parkinsonism, and episodes of depression. Despite the use of levodopa from age 3 months, he exhibited no dyskinesia or dopaminergic cell loss as suggested by normal PET imaging of the dopamine transporter.
doi_str_mv 10.1212/01.wnl.0000249335.35585.3e
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subjects 5-Hydroxytryptophan - therapeutic use
Adult
Antidepressive Agents, Second-Generation - therapeutic use
Biological and medical sciences
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
Dopamine Agents - therapeutic use
Drug Combinations
Drug toxicity and drugs side effects treatment
Dyskinesia, Drug-Induced - etiology
Dyskinesias
Humans
Levodopa - therapeutic use
Longitudinal Studies
Male
Medical sciences
Neurology
Pharmacology. Drug treatments
Phenylketonurias - diagnosis
Phenylketonurias - drug therapy
Toxicity: nervous system and muscle
Treatment Outcome
title Dihydropteridine reductase deficiency : Levodopa's long-term effectiveness without dyskinesia
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