A long-term follow-up study of cinnarizine- and flunarizine-induced parkinsonism.
Identifieur interne : 004C60 ( Ncbi/Curation ); précédent : 004C59; suivant : 004C61A long-term follow-up study of cinnarizine- and flunarizine-induced parkinsonism.
Auteurs : A. Negrotti [Italie] ; S. CalzettiSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 1997.
English descriptors
- KwdEn :
- Aged, Calcium Channel Blockers (administration & dosage), Calcium Channel Blockers (adverse effects), Cardiovascular Diseases (drug therapy), Cinnarizine (administration & dosage), Cinnarizine (adverse effects), Dose-Response Relationship, Drug, Female, Flunarizine (administration & dosage), Flunarizine (adverse effects), Follow-Up Studies, Humans, Male, Middle Aged, Neurologic Examination (drug effects), Parkinson Disease, Secondary (chemically induced), Parkinson Disease, Secondary (diagnosis), Treatment Outcome.
- MESH :
- chemical , administration & dosage : Calcium Channel Blockers, Cinnarizine, Flunarizine.
- chemical , adverse effects : Calcium Channel Blockers, Cinnarizine, Flunarizine.
- chemically induced : Parkinson Disease, Secondary.
- diagnosis : Parkinson Disease, Secondary.
- drug effects : Neurologic Examination.
- drug therapy : Cardiovascular Diseases.
- Aged, Dose-Response Relationship, Drug, Female, Follow-Up Studies, Humans, Male, Middle Aged, Treatment Outcome.
Abstract
The natural course of calcium-entry blocker-induced parkinsonism was evaluated in 13 elderly patients previously exposed to cinnarizine or flunarizine or both for a median period of 7 months. Clinical assessments were carried out before drug discontinuation and twice thereafter over a period lasting < or = 7 years. None of the patients showed a full recovery of extrapyramidal signs, indicating that the long-term prognosis of the parkinsonism is less benign than previously reported. Two main patterns of clinical outcome were recognized (i.e., "remittent" and "persistent and not progressive" parkinsonism), whereas the development of a progressive disorder was observed only in one patient. No significant correlation was found between the patterns of outcome and some clinical variables, such as total duration of exposure to cinnarizine and flunarizine, cumulative drug dosages, and age at onset of parkinsonism. There was no significant difference in terms of family history of essential tremor or parkinsonism or both among patients with the two main patterns of clinical course.
DOI: 10.1002/mds.870120119
PubMed: 8990063
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pubmed:8990063Le document en format XML
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<author><name sortKey="Negrotti, A" sort="Negrotti, A" uniqKey="Negrotti A" first="A" last="Negrotti">A. Negrotti</name>
<affiliation wicri:level="1"><nlm:affiliation>Istituto di Neurologia, Università di Parma, Italy.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Istituto di Neurologia, Università di Parma</wicri:regionArea>
<wicri:noRegion>Università di Parma</wicri:noRegion>
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<author><name sortKey="Calzetti, S" sort="Calzetti, S" uniqKey="Calzetti S" first="S" last="Calzetti">S. Calzetti</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">A long-term follow-up study of cinnarizine- and flunarizine-induced parkinsonism.</title>
<author><name sortKey="Negrotti, A" sort="Negrotti, A" uniqKey="Negrotti A" first="A" last="Negrotti">A. Negrotti</name>
<affiliation wicri:level="1"><nlm:affiliation>Istituto di Neurologia, Università di Parma, Italy.</nlm:affiliation>
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<series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title>
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<term>Cardiovascular Diseases (drug therapy)</term>
<term>Cinnarizine (administration & dosage)</term>
<term>Cinnarizine (adverse effects)</term>
<term>Dose-Response Relationship, Drug</term>
<term>Female</term>
<term>Flunarizine (administration & dosage)</term>
<term>Flunarizine (adverse effects)</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Neurologic Examination (drug effects)</term>
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<term>Parkinson Disease, Secondary (diagnosis)</term>
<term>Treatment Outcome</term>
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<term>Cinnarizine</term>
<term>Flunarizine</term>
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<keywords scheme="MESH" type="chemical" qualifier="adverse effects" xml:lang="en"><term>Calcium Channel Blockers</term>
<term>Cinnarizine</term>
<term>Flunarizine</term>
</keywords>
<keywords scheme="MESH" qualifier="chemically induced" xml:lang="en"><term>Parkinson Disease, Secondary</term>
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<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Neurologic Examination</term>
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<keywords scheme="MESH" qualifier="drug therapy" xml:lang="en"><term>Cardiovascular Diseases</term>
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<front><div type="abstract" xml:lang="en">The natural course of calcium-entry blocker-induced parkinsonism was evaluated in 13 elderly patients previously exposed to cinnarizine or flunarizine or both for a median period of 7 months. Clinical assessments were carried out before drug discontinuation and twice thereafter over a period lasting < or = 7 years. None of the patients showed a full recovery of extrapyramidal signs, indicating that the long-term prognosis of the parkinsonism is less benign than previously reported. Two main patterns of clinical outcome were recognized (i.e., "remittent" and "persistent and not progressive" parkinsonism), whereas the development of a progressive disorder was observed only in one patient. No significant correlation was found between the patterns of outcome and some clinical variables, such as total duration of exposure to cinnarizine and flunarizine, cumulative drug dosages, and age at onset of parkinsonism. There was no significant difference in terms of family history of essential tremor or parkinsonism or both among patients with the two main patterns of clinical course.</div>
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