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- W2314007492 abstract "The inhibition of catechol-O-methyltransferase (COMT) may impair catecholamine clearance resulting in unwanted cardiac and hemodynamic events. We therefore studied the effects of entacapone, an inhibitor of peripheral COMT, on cardiorespiratory and plasma noradrenaline (NA) responses to exercise and on respiratory muscle strength in l-dopa treated patients with Parkinson's disease (PD).A randomized, double-blind, cross-over study with two 1 week treatment periods was performed in 15 PD patients. The test battery included analysis of hemodynamics, gas exchange parameters and plasma NA during a maximal exercise test, assessment of maximal static airway pressures and pre- and post-exercise motor scores of the Unified Parkinson's Disease Rating Scale (UPDRS). The first test was done after withholding l-dopa overnight (‘run-in’ test, off-phase). The second and third tests were done in on-phase after 1 week treatment with either entacapone 200 mg or placebo given with each dose of l-dopa.No differences in maximal work load, plasma NA, or in cardiorespiratory responses to either maximal or work rate standardized submaximal exercise were observed between entacapone and placebo, except for O2 pulse, which was slightly lower (p<0.05) after entacapone at submaximal exercise level. Maximal airway pressures were similar between the study treatments and run-in. Exercise had no effect on motor UPDRS after either study treatment or during the run-in test. No serious adverse events were observed.The results of this study suggest that entacapone does not change the work capacity, work efficiency or respiratory muscle strength in l-dopa treated PD patients with mild to moderate disease severity, and that its use with l-dopa seems to be safe in conditions of maximal physical effort. However, data from the long-term use of COMT inhibitors are needed to confirm these findings." @default.
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- W2314007492 date "1987-10-01" @default.
- W2314007492 modified "2023-09-25" @default.
- W2314007492 title "Les vaccinations Antirabiques au Centre Hospitalier de Chaumont" @default.
- W2314007492 doi "https://doi.org/10.1016/s0769-2617(87)80046-1" @default.
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