Effects of serotonin 5-HT1A agonist in advanced Parkinson's disease
Identifieur interne : 001E12 ( PascalFrancis/Corpus ); précédent : 001E11; suivant : 001E13Effects of serotonin 5-HT1A agonist in advanced Parkinson's disease
Auteurs : William Bara-Jimenez ; Francesco Bibbiani ; Michael J. Morris ; Tzvetelina Dimitrova ; Abdullah Sherzai ; Maral M. Mouradian ; Thomas N. ChaseSource :
- Movement disorders [ 0885-3185 ] ; 2005.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Intermittent stimulation of striatal dopaminergic receptors seems to contribute to motor dysfunction in advanced Parkinson's disease (PD). With severe dopaminergic denervation, exogenous levodopa is largely decarboxylated to dopamine in serotonergic terminals. If 5-HT1A autoreceptors regulate dopamine as well as serotonin release, in parkinsonian patients inhibition of striatal serotonergic neuron firing might help maintain more physiological intrasynaptic dopamine concentrations and thus ameliorate motor fluctuations and dyskinesias. To evaluate this hypothesis, effects of a selective 5-HT1A agonist, sarizotan, given orally at 2 and 5 mg twice daily to 18 relatively advanced parkinsonian patients, were compared with baseline placebo function during a 3-week, double-blind, placebo-controlled, proof-of-concept study. Sarizotan alone or with intravenous levodopa had no effect on parkinsonian severity. But at safe and tolerable doses, sarizotan coadministration reduced levodopa-induced dyskinesias and prolonged its antiparkinsonian response (P ≤ 0.05). Under the conditions of this study, our findings suggest that 5-HT1A receptor stimulation in levodopa-treated parkinsonian patients can modulate striatal dopaminergic function and that 5-HT1A agonists may be useful as levodopa adjuvants in the treatment of PD.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 05-0444021 INIST |
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ET : | Effects of serotonin 5-HT1A agonist in advanced Parkinson's disease |
AU : | BARA-JIMENEZ (William); BIBBIANI (Francesco); MORRIS (Michael J.); DIMITROVA (Tzvetelina); SHERZAI (Abdullah); MOURADIAN (Maral M.); CHASE (Thomas N.) |
AF : | Experimental Therapeutics Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health/Bethesda, Maryland/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut., 7 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2005; Vol. 20; No. 8; Pp. 932-936; Bibl. 32 ref. |
LA : | Anglais |
EA : | Intermittent stimulation of striatal dopaminergic receptors seems to contribute to motor dysfunction in advanced Parkinson's disease (PD). With severe dopaminergic denervation, exogenous levodopa is largely decarboxylated to dopamine in serotonergic terminals. If 5-HT1A autoreceptors regulate dopamine as well as serotonin release, in parkinsonian patients inhibition of striatal serotonergic neuron firing might help maintain more physiological intrasynaptic dopamine concentrations and thus ameliorate motor fluctuations and dyskinesias. To evaluate this hypothesis, effects of a selective 5-HT1A agonist, sarizotan, given orally at 2 and 5 mg twice daily to 18 relatively advanced parkinsonian patients, were compared with baseline placebo function during a 3-week, double-blind, placebo-controlled, proof-of-concept study. Sarizotan alone or with intravenous levodopa had no effect on parkinsonian severity. But at safe and tolerable doses, sarizotan coadministration reduced levodopa-induced dyskinesias and prolonged its antiparkinsonian response (P ≤ 0.05). Under the conditions of this study, our findings suggest that 5-HT1A receptor stimulation in levodopa-treated parkinsonian patients can modulate striatal dopaminergic function and that 5-HT1A agonists may be useful as levodopa adjuvants in the treatment of PD. |
CC : | 002B17; 002B17G; 002B17A03 |
FD : | Système nerveux pathologie; Parkinson maladie; Dyskinésie; Stimulant sérotoninergique; Stade avancé; Récepteur sérotoninergique 5-HT1A; Sérotonine; Dopamine; Lévodopa |
FG : | Encéphale pathologie; Extrapyramidal syndrome; Maladie dégénérative; Système nerveux central pathologie; Neurotransmetteur; Catécholamine; Mouvement involontaire; Trouble neurologique |
ED : | Nervous system diseases; Parkinson disease; Dyskinesia; Serotonin agonist; Advanced stage; 5-HT1A Serotonine receptor; Serotonin; Dopamine; Levodopa |
EG : | Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease; Neurotransmitter; Catecholamine; Involuntary movement; Neurological disorder |
SD : | Sistema nervioso patología; Parkinson enfermedad; Disquinesia; Estimulante serotoninérgico; Estadio avanzado; Receptor serotoninérgico 5-HT1A; Serotonina; Dopamina; Levodopa |
LO : | INIST-20953.354000132711360030 |
ID : | 05-0444021 |
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Pascal:05-0444021Le document en format XML
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<front><div type="abstract" xml:lang="en">Intermittent stimulation of striatal dopaminergic receptors seems to contribute to motor dysfunction in advanced Parkinson's disease (PD). With severe dopaminergic denervation, exogenous levodopa is largely decarboxylated to dopamine in serotonergic terminals. If 5-HT1A autoreceptors regulate dopamine as well as serotonin release, in parkinsonian patients inhibition of striatal serotonergic neuron firing might help maintain more physiological intrasynaptic dopamine concentrations and thus ameliorate motor fluctuations and dyskinesias. To evaluate this hypothesis, effects of a selective 5-HT1A agonist, sarizotan, given orally at 2 and 5 mg twice daily to 18 relatively advanced parkinsonian patients, were compared with baseline placebo function during a 3-week, double-blind, placebo-controlled, proof-of-concept study. Sarizotan alone or with intravenous levodopa had no effect on parkinsonian severity. But at safe and tolerable doses, sarizotan coadministration reduced levodopa-induced dyskinesias and prolonged its antiparkinsonian response (P ≤ 0.05). Under the conditions of this study, our findings suggest that 5-HT1A receptor stimulation in levodopa-treated parkinsonian patients can modulate striatal dopaminergic function and that 5-HT1A agonists may be useful as levodopa adjuvants in the treatment of PD.</div>
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<fC03 i1="08" i2="X" l="ENG"><s0>Dopamine</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>13</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Dopamina</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Lévodopa</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>14</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Levodopa</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>14</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Levodopa</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>14</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Encéphale pathologie</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Cerebral disorder</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Encéfalo patología</s0>
<s5>37</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Extrapyramidal syndrome</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Extrapyramidal syndrome</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Extrapiramidal síndrome</s0>
<s5>38</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Maladie dégénérative</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Degenerative disease</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Enfermedad degenerativa</s0>
<s5>39</s5>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Système nerveux central pathologie</s0>
<s5>40</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Central nervous system disease</s0>
<s5>40</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Sistema nervosio central patología</s0>
<s5>40</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Neurotransmetteur</s0>
<s5>41</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Neurotransmitter</s0>
<s5>41</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Neurotransmisor</s0>
<s5>41</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Catécholamine</s0>
<s5>42</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Catecholamine</s0>
<s5>42</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Catecolamina</s0>
<s5>42</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Mouvement involontaire</s0>
<s5>43</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Involuntary movement</s0>
<s5>43</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Movimiento involuntario</s0>
<s5>43</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Trouble neurologique</s0>
<s5>44</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Neurological disorder</s0>
<s5>44</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Trastorno neurológico</s0>
<s5>44</s5>
</fC07>
<fN21><s1>311</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 05-0444021 INIST</NO>
<ET>Effects of serotonin 5-HT1A agonist in advanced Parkinson's disease</ET>
<AU>BARA-JIMENEZ (William); BIBBIANI (Francesco); MORRIS (Michael J.); DIMITROVA (Tzvetelina); SHERZAI (Abdullah); MOURADIAN (Maral M.); CHASE (Thomas N.)</AU>
<AF>Experimental Therapeutics Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health/Bethesda, Maryland/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut., 7 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2005; Vol. 20; No. 8; Pp. 932-936; Bibl. 32 ref.</SO>
<LA>Anglais</LA>
<EA>Intermittent stimulation of striatal dopaminergic receptors seems to contribute to motor dysfunction in advanced Parkinson's disease (PD). With severe dopaminergic denervation, exogenous levodopa is largely decarboxylated to dopamine in serotonergic terminals. If 5-HT1A autoreceptors regulate dopamine as well as serotonin release, in parkinsonian patients inhibition of striatal serotonergic neuron firing might help maintain more physiological intrasynaptic dopamine concentrations and thus ameliorate motor fluctuations and dyskinesias. To evaluate this hypothesis, effects of a selective 5-HT1A agonist, sarizotan, given orally at 2 and 5 mg twice daily to 18 relatively advanced parkinsonian patients, were compared with baseline placebo function during a 3-week, double-blind, placebo-controlled, proof-of-concept study. Sarizotan alone or with intravenous levodopa had no effect on parkinsonian severity. But at safe and tolerable doses, sarizotan coadministration reduced levodopa-induced dyskinesias and prolonged its antiparkinsonian response (P ≤ 0.05). Under the conditions of this study, our findings suggest that 5-HT1A receptor stimulation in levodopa-treated parkinsonian patients can modulate striatal dopaminergic function and that 5-HT1A agonists may be useful as levodopa adjuvants in the treatment of PD.</EA>
<CC>002B17; 002B17G; 002B17A03</CC>
<FD>Système nerveux pathologie; Parkinson maladie; Dyskinésie; Stimulant sérotoninergique; Stade avancé; Récepteur sérotoninergique 5-HT1A; Sérotonine; Dopamine; Lévodopa</FD>
<FG>Encéphale pathologie; Extrapyramidal syndrome; Maladie dégénérative; Système nerveux central pathologie; Neurotransmetteur; Catécholamine; Mouvement involontaire; Trouble neurologique</FG>
<ED>Nervous system diseases; Parkinson disease; Dyskinesia; Serotonin agonist; Advanced stage; 5-HT1A Serotonine receptor; Serotonin; Dopamine; Levodopa</ED>
<EG>Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease; Neurotransmitter; Catecholamine; Involuntary movement; Neurological disorder</EG>
<SD>Sistema nervioso patología; Parkinson enfermedad; Disquinesia; Estimulante serotoninérgico; Estadio avanzado; Receptor serotoninérgico 5-HT1A; Serotonina; Dopamina; Levodopa</SD>
<LO>INIST-20953.354000132711360030</LO>
<ID>05-0444021</ID>
</server>
</inist>
</record>
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