期刊
EUROPEAN JOURNAL OF NEUROLOGY
卷 28, 期 1, 页码 349-354出版社
WILEY
DOI: 10.1111/ene.14552
关键词
blood pressure; MAO‐ B inhibitors; overnight switch; Parkinson' s disease; serotonin syndrome
资金
- Zambon Pharma
The study demonstrates that overnight switch from rasagiline to safinamide is safe and well tolerated by patients, without causing serotonin syndrome or hypertensive crisis. Short-term substitution of these two drugs did not result in adverse effects on blood pressure in most patients.
Background and purpose When switching between monoamine oxidase type B (MAO-B) inhibitors, a 15-day suspension period is a precautionary measure to avoid a serotonin syndrome and hypertensive crisis. However, this indication results in a major inconvenience for parkinsonian patients because of the worsening of their clinical condition. In routine clinical practice, neurologists often perform a substitution of these two drugs without solution of continuity (i.e. overnight), to avoid worsening of fluctuations and prolonged OFF periods. Therefore, a safety open label study was performed to investigate the possible risks of switching overnight from rasagiline to safinamide. Methods The study population included 20 advanced patients with Parkinson's disease on stable treatment with rasagiline and levodopa (alone or in combination with other anti-parkinsonian medication). The possible occurrence of serotonin syndrome and hypertension was monitored through a strict clinical observation and a 24-h Holter recording (ABPM) performed twice, whilst subjects were on rasagiline and immediately after switching to safinamide. Results No cases of serotonin syndrome or hypertensive crisis occurred during the study. Changes that were not significant occurred in the primary end-point: 24-h mean blood pressure (BP) had a mild +4.4% increase in the ABPM2 versus ABPM1 (P = 0.17), 24-h systolic and diastolic BP values were slightly higher at ABPM2 compared to ABPM1 (respectively +3.3%, P = 0.13; and 5.4%, P = 0.08) and 24-h systolic BP variability was unchanged between the two ABPM evaluations (from 8.6 +/- 2.9 to 8.9 +/- 1.8; P = 0.27). Conclusion The results of the present study confirm that the overnight switch from rasagiline to safinamide is safe and well tolerated by patients.
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