Caffeine in Parkinson's Disease: A Pilot Open-Label, Dose-Escalation Study
Identifieur interne : 000340 ( PascalFrancis/Corpus ); précédent : 000339; suivant : 000341Caffeine in Parkinson's Disease: A Pilot Open-Label, Dose-Escalation Study
Auteurs : Robert D. Altman ; Anthony E. Lang ; Ronald B. PostumaSource :
- Movement disorders [ 0885-3185 ] ; 2011.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
Introduction: Epidemiologic studies consistently find an inverse association between caffeine use and PD. Numerous explanations exist, but are difficult to evaluate as caffeine's symptomatic effect and tolerability in PD are unknown. Patients and Methods: We designed an open-label, 6-week dose-escalation study of caffeine to establish dose tolerability and evaluate potential motor/nonmotor benefits. Caffeine was started at 200 mg daily and was increased to a maximum of 1,000 mg. Results: Of 25 subjects, 20 tolerated 200 mg, 17 tolerated 400 mg, 7 tolerated 800 mg, and 3 tolerated 1,000 mg. The most common adverse events were gastrointestinal discomfort, anxiety, and worsening/emerging tremor. At 400 mg daily, we found potential improvements in motor manifestations and somnolence (UPDRS III: -4.5 ± 4.6, P = 0.003; Epworth: -2.0 ± 3.0, P = 0.015). Conclusion: Maximum dose tolerability for caffeine in PD appears to be 100 to 200 mg BID. We found pilot preliminary evidence that caffeine may improve some motor and nonmotor aspects of PD, which must be confirmed in longer term, placebo-controlled, clinical trials.
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Format Inist (serveur)
NO : | PASCAL 12-0026979 INIST |
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ET : | Caffeine in Parkinson's Disease: A Pilot Open-Label, Dose-Escalation Study |
AU : | ALTMAN (Robert D.); LANG (Anthony E.); POSTUMA (Ronald B.) |
AF : | Department of Neurology, McGill University, Montreal General Hospital/Montreal, Quebec/Canada (1 aut., 3 aut.); Morton and Gloria Shulman Movement Disorders center, Toronto Western Hospital/Toronto, Ontario/Canada (2 aut.) |
DT : | Publication en série; Courte communication, note brève; Niveau analytique |
SO : | Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2011; Vol. 26; No. 13; Pp. 2427-2431; Bibl. 33 ref. |
LA : | Anglais |
EA : | Introduction: Epidemiologic studies consistently find an inverse association between caffeine use and PD. Numerous explanations exist, but are difficult to evaluate as caffeine's symptomatic effect and tolerability in PD are unknown. Patients and Methods: We designed an open-label, 6-week dose-escalation study of caffeine to establish dose tolerability and evaluate potential motor/nonmotor benefits. Caffeine was started at 200 mg daily and was increased to a maximum of 1,000 mg. Results: Of 25 subjects, 20 tolerated 200 mg, 17 tolerated 400 mg, 7 tolerated 800 mg, and 3 tolerated 1,000 mg. The most common adverse events were gastrointestinal discomfort, anxiety, and worsening/emerging tremor. At 400 mg daily, we found potential improvements in motor manifestations and somnolence (UPDRS III: -4.5 ± 4.6, P = 0.003; Epworth: -2.0 ± 3.0, P = 0.015). Conclusion: Maximum dose tolerability for caffeine in PD appears to be 100 to 200 mg BID. We found pilot preliminary evidence that caffeine may improve some motor and nonmotor aspects of PD, which must be confirmed in longer term, placebo-controlled, clinical trials. |
CC : | 002B17; 002B17G |
FD : | Maladie de Parkinson; Pathologie du système nerveux; Caféine; Essai clinique |
FG : | Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central |
ED : | Parkinson disease; Nervous system diseases; Caffeine; Clinical trial |
EG : | Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease |
SD : | Parkinson enfermedad; Sistema nervioso patología; Cafeína; Ensayo clínico |
LO : | INIST-20953.354000505925010200 |
ID : | 12-0026979 |
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Pascal:12-0026979Le document en format XML
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<front><div type="abstract" xml:lang="en">Introduction: Epidemiologic studies consistently find an inverse association between caffeine use and PD. Numerous explanations exist, but are difficult to evaluate as caffeine's symptomatic effect and tolerability in PD are unknown. Patients and Methods: We designed an open-label, 6-week dose-escalation study of caffeine to establish dose tolerability and evaluate potential motor/nonmotor benefits. Caffeine was started at 200 mg daily and was increased to a maximum of 1,000 mg. Results: Of 25 subjects, 20 tolerated 200 mg, 17 tolerated 400 mg, 7 tolerated 800 mg, and 3 tolerated 1,000 mg. The most common adverse events were gastrointestinal discomfort, anxiety, and worsening/emerging tremor. At 400 mg daily, we found potential improvements in motor manifestations and somnolence (UPDRS III: -4.5 ± 4.6, P = 0.003; Epworth: -2.0 ± 3.0, P = 0.015). Conclusion: Maximum dose tolerability for caffeine in PD appears to be 100 to 200 mg BID. We found pilot preliminary evidence that caffeine may improve some motor and nonmotor aspects of PD, which must be confirmed in longer term, placebo-controlled, clinical trials.</div>
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<ET>Caffeine in Parkinson's Disease: A Pilot Open-Label, Dose-Escalation Study</ET>
<AU>ALTMAN (Robert D.); LANG (Anthony E.); POSTUMA (Ronald B.)</AU>
<AF>Department of Neurology, McGill University, Montreal General Hospital/Montreal, Quebec/Canada (1 aut., 3 aut.); Morton and Gloria Shulman Movement Disorders center, Toronto Western Hospital/Toronto, Ontario/Canada (2 aut.)</AF>
<DT>Publication en série; Courte communication, note brève; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2011; Vol. 26; No. 13; Pp. 2427-2431; Bibl. 33 ref.</SO>
<LA>Anglais</LA>
<EA>Introduction: Epidemiologic studies consistently find an inverse association between caffeine use and PD. Numerous explanations exist, but are difficult to evaluate as caffeine's symptomatic effect and tolerability in PD are unknown. Patients and Methods: We designed an open-label, 6-week dose-escalation study of caffeine to establish dose tolerability and evaluate potential motor/nonmotor benefits. Caffeine was started at 200 mg daily and was increased to a maximum of 1,000 mg. Results: Of 25 subjects, 20 tolerated 200 mg, 17 tolerated 400 mg, 7 tolerated 800 mg, and 3 tolerated 1,000 mg. The most common adverse events were gastrointestinal discomfort, anxiety, and worsening/emerging tremor. At 400 mg daily, we found potential improvements in motor manifestations and somnolence (UPDRS III: -4.5 ± 4.6, P = 0.003; Epworth: -2.0 ± 3.0, P = 0.015). Conclusion: Maximum dose tolerability for caffeine in PD appears to be 100 to 200 mg BID. We found pilot preliminary evidence that caffeine may improve some motor and nonmotor aspects of PD, which must be confirmed in longer term, placebo-controlled, clinical trials.</EA>
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