Time course of loss of clinical benefit following withdrawal of levodopa/carbidopa and bromocriptine in early Parkinson's disease
Identifieur interne : 004933 ( Main/Exploration ); précédent : 004932; suivant : 004934Time course of loss of clinical benefit following withdrawal of levodopa/carbidopa and bromocriptine in early Parkinson's disease
Auteurs : Robert A. Hauser [États-Unis] ; William C. Koller [États-Unis] ; Jean P. Hubble [États-Unis] ; Teresita Malapira [États-Unis] ; Karen Busenbark [États-Unis] ; C. Warren Olanow [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2000-05.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Antiparkinson Agents (adverse effects), Antiparkinson Agents (therapeutic use), Antiparkinson agent, Bromocriptine, Bromocriptine (adverse effects), Bromocriptine (therapeutic use), Carbidopa, Carbidopa (adverse effects), Carbidopa (therapeutic use), Chemotherapy, Disability Evaluation, Disease Progression, Double-Blind Method, Ergot derivatives, Evolution, Female, Human, Humans, Levodopa, Levodopa (adverse effects), Levodopa (therapeutic use), Levodopa/carbidopa, Long‐duration response, Male, Middle Aged, Neurologic Examination (drug effects), Neuroprotection, Parkinson Disease (diagnosis), Parkinson Disease (drug therapy), Parkinson disease, Parkinson's disease, Prospective Studies, Selegiline (adverse effects), Selegiline (therapeutic use), Substance Withdrawal Syndrome (diagnosis), Treatment withdrawal, Wash‐out.
- MESH :
- chemical , adverse effects : Antiparkinson Agents, Bromocriptine, Carbidopa, Levodopa, Selegiline.
- chemical , therapeutic use : Antiparkinson Agents, Bromocriptine, Carbidopa, Levodopa, Selegiline.
- diagnosis : Parkinson Disease, Substance Withdrawal Syndrome.
- drug effects : Neurologic Examination.
- drug therapy : Parkinson Disease.
- Aged, Disability Evaluation, Disease Progression, Double-Blind Method, Female, Humans, Male, Middle Aged, Prospective Studies.
Abstract
Putative neuroprotective agents for Parkinson's disease can be assessed in untreated patients using progression of clinical disability as an index of disease progression. To avoid the confound associated with symptomatic therapy, progression of the underlying disease can be assessed by evaluating the progression of clinical disability from an untreated baseline to a final visit following wash‐out of symptomatic medication. In this type of analysis it is critical to use a wash‐out of sufficient duration to ensure elimination of symptomatic effects. To assess the time course of resolution of symptomatic effects, we evaluated 31 patients at days 1, 8, and 15 following discontinuation of levodopa/carbidopa and bromocriptine. Mean total Unified Parkinson's Disease Rating Scale scores (± standard error) increased (worsened) by 7.4 ± 1.5 from day 1 to day 15 (p <0.0001), 4.5 ± 1.2 from day 1 to day 8 (p = 0.0009), and 2.9 ± 1.0 from day 8 to day 15 (p = 0.01). We conclude that a wash‐out of at least 2 weeks is required to eliminate the symptomatic effects of levodopa/carbidopa and bromocriptine in patients with early Parkinson's disease.
Url:
DOI: 10.1002/1531-8257(200005)15:3<485::AID-MDS1010>3.0.CO;2-F
Affiliations:
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Le document en format XML
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<term>Antiparkinson agent</term>
<term>Bromocriptine</term>
<term>Bromocriptine (adverse effects)</term>
<term>Bromocriptine (therapeutic use)</term>
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<term>Carbidopa (therapeutic use)</term>
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<term>Ergot derivatives</term>
<term>Evolution</term>
<term>Female</term>
<term>Human</term>
<term>Humans</term>
<term>Levodopa</term>
<term>Levodopa (adverse effects)</term>
<term>Levodopa (therapeutic use)</term>
<term>Levodopa/carbidopa</term>
<term>Long‐duration response</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Neurologic Examination (drug effects)</term>
<term>Neuroprotection</term>
<term>Parkinson Disease (diagnosis)</term>
<term>Parkinson Disease (drug therapy)</term>
<term>Parkinson disease</term>
<term>Parkinson's disease</term>
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<term>Selegiline (adverse effects)</term>
<term>Selegiline (therapeutic use)</term>
<term>Substance Withdrawal Syndrome (diagnosis)</term>
<term>Treatment withdrawal</term>
<term>Wash‐out</term>
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<term>Carbidopa</term>
<term>Levodopa</term>
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<term>Carbidopa</term>
<term>Levodopa</term>
<term>Selegiline</term>
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<term>Carbidopa</term>
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<front><div type="abstract" xml:lang="en">Putative neuroprotective agents for Parkinson's disease can be assessed in untreated patients using progression of clinical disability as an index of disease progression. To avoid the confound associated with symptomatic therapy, progression of the underlying disease can be assessed by evaluating the progression of clinical disability from an untreated baseline to a final visit following wash‐out of symptomatic medication. In this type of analysis it is critical to use a wash‐out of sufficient duration to ensure elimination of symptomatic effects. To assess the time course of resolution of symptomatic effects, we evaluated 31 patients at days 1, 8, and 15 following discontinuation of levodopa/carbidopa and bromocriptine. Mean total Unified Parkinson's Disease Rating Scale scores (± standard error) increased (worsened) by 7.4 ± 1.5 from day 1 to day 15 (p <0.0001), 4.5 ± 1.2 from day 1 to day 8 (p = 0.0009), and 2.9 ± 1.0 from day 8 to day 15 (p = 0.01). We conclude that a wash‐out of at least 2 weeks is required to eliminate the symptomatic effects of levodopa/carbidopa and bromocriptine in patients with early Parkinson's disease.</div>
</front>
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<name sortKey="Busenbark, Karen" sort="Busenbark, Karen" uniqKey="Busenbark K" first="Karen" last="Busenbark">Karen Busenbark</name>
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<name sortKey="Koller, William C" sort="Koller, William C" uniqKey="Koller W" first="William C." last="Koller">William C. Koller</name>
<name sortKey="Malapira, Teresita" sort="Malapira, Teresita" uniqKey="Malapira T" first="Teresita" last="Malapira">Teresita Malapira</name>
<name sortKey="Olanow, C Warren" sort="Olanow, C Warren" uniqKey="Olanow C" first="C. Warren" last="Olanow">C. Warren Olanow</name>
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